WO2018010704A1

WO2018010704A1 - Radio frequency identification tag positioning method and system, electronic tag, and reader/writer

Info

Publication number: WO2018010704A1
Application number: PCT/CN2017/101492
Authority: WO
Inventors: 徐继东; 王莹; 王艳华; 谢云鹏
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-07-15
Filing date: 2017-09-13
Publication date: 2018-01-18
Also published as: CN107622219A

Abstract

A radio frequency identification tag positioning method, comprising: an electronic tag sends a feedback message comprising a tag type to a reader/writer according to a query command received from the reader/writer, the tag type being used for indicating whether the electronic tag is configured with a light module, the electronic tag being a passive electronic tag; the electronic tag receives a tag operation command sent by the reader/writer; the electronic tag turns the light module in the electronic tag on or off according to the tag operation command.

Description

RFID tag positioning method, system, electronic tag and reader

Technical field

The present disclosure relates to, but is not limited to, the field of tag identification technology, and in particular, to a radio frequency identification tag positioning method, system, electronic tag and reader/writer.

Background technique

With the development of label recognition technology, in the state of massive physical quantity of targets, not only automatic collection of resource data, but also rapid and accurate positioning of target physics from mass objects is needed, thereby improving the efficiency and correctness of label recognition.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

Tag positioning technology can find and identify the location of the target object, but there are certain drawbacks. For example, the commonly used label positioning method may include: Technique 1, using a label printed/pasted/ligated on a target object, the technique has the label being easily scattered, lost, illegible, and looking through the label information one by one to find the target end. Due to the above characteristics, the search efficiency is low and error-prone; the second method is to collect the RFID tag information bundled on the target object, thereby achieving the purpose of counting the number of target objects, which are more common in supermarkets, warehouses and clothing. industry. In the above technology, in the first technique, the label is easily scattered, lost, and the like, so that the search efficiency and the correct rate cannot be improved, and when the label is scanned and scanned, the target object is usually moved, the workload is increased, and the consumption is increased. A lot of working time; although technology 2 can realize the information such as the number and type of automatic target objects, it is still impossible to find the physical position of the target object efficiently and accurately. Therefore, some label positioning methods, the positioning of the physical location of the target still depends on the deployment and placement of a reasonable and clear physical location.

This paper provides a radio frequency identification tag positioning method, system, electronic tag and reader. By properly designing the working mode of the RFID tag system, the RFID tag system can be used. Make sure to locate the target object.

An embodiment of the present disclosure provides a method for locating a radio frequency identification tag, including:

The electronic tag sends a feedback message including a tag type to the reader/writer according to an inquiry command received from the reader/writer, and the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic component The tag is a passive electronic tag;

The electronic tag receives a tag operation instruction sent by the reader/writer;

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction.

In an exemplary embodiment, the feedback message further includes tag coded TID information of the electronic tag, where the tag operation instruction includes TID information; and the electronic tag turns the book on or off according to the tag operation instruction. Light modules in electronic tags, including:

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction when determining that the TID information in the label operation instruction is the same as the TID information of the current electronic label.

In an exemplary embodiment, the tag operation instruction includes a tag open command or a tag close command.

In an exemplary embodiment, when the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening Time, wherein the opening time represents an opening time of the light module in the electronic tag, and the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state;

The electronic tag opens the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on the light module in the electronic tag according to the opening mode indicated by the opening time and the duty ratio of the opening time according to the label opening instruction and the instruction parameter;

The method further includes:

The electronic tag turns off the light module in the electronic tag after the total opening time.

In an exemplary embodiment, after the label operation instruction is a label opening instruction, and the electronic label receives the label opening instruction sent by the reader/writer, the method further includes:

Receiving, by the electronic tag, a radio frequency radiation signal sent by the reader/writer;

The electronic tag turns on the light module in the electronic tag according to the label opening instruction, and controls the opening mode of the light module in the electronic label according to the on or off state of the radio frequency radiation signal;

The method further includes:

The electronic tag turns off the light module in the electronic tag when the radio frequency radiation signal sent by the reader/writer is not received.

In an exemplary embodiment, if the label operation instruction is a label opening instruction, and the electronic label receives the label opening instruction sent by the reader/writer, the method further includes:

Each of the electronic tags in the system receives a tag close command sent by the reader/writer;

Each of the electronic tags in the system turns off the light module in the electronic tag according to the label closing instruction.

In an exemplary embodiment, the tag type is further used to indicate the type and color of the light module when the light module is configured in the electronic tag.

In an exemplary embodiment, after the electronic tag turns on or off the light module in the electronic tag according to the label operation instruction, the method further includes:

The electronic tag sends corresponding operation flag information to the reader/writer, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

In an exemplary embodiment, the operation flag information includes open flag information or close flag information;

If the electronic tag turns on the light module, the flag information is an open flag information;

If the electronic tag closes the light module, the flag information is off flag information.

In an exemplary embodiment, the electronic tag is opened according to the tag operation instruction After the light module in the electronic tag, the method further includes:

The electronic tag receives a coded write command sent by the reader/writer;

Writing, by the electronic tag, user code UID information in an editing area of the electronic tag according to the code writing instruction;

The electronic tag sends encoded feedback information to the reader/writer, and the encoded feedback information includes the UID information.

The embodiment of the present disclosure further provides a method for locating a radio frequency identification tag, including:

The reader sends an inquiry command to the electronic tag;

The reader/writer receives a feedback message including a tag type sent by the electronic tag according to the query instruction, and the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic tag is Source electronic label;

The reader/writer transmits a label operation instruction to cause the electronic label to turn on or off the light module in the electronic label according to the label operation instruction.

In an exemplary embodiment, the feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; or

The label operation instruction includes a label opening instruction or a label closing instruction; or

The label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; and the tag operation instruction includes a tag opening instruction or a tag closing instruction; or

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; and the tag type is further used to indicate the indicator when the light module is configured in the electronic tag. The type and color of the lighting module; or,

The label operation instruction includes a label opening instruction or a label closing instruction; the label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, the tag operation instruction includes TID information; the tag operation instruction includes a tag opening instruction or a tag closing instruction; and the tag type indicates the electronic When the light module is configured in the tag, it is also used to indicate the type and color of the light module.

In an exemplary embodiment, when the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening Time, wherein the opening time represents an opening time of the light module in the electronic tag, and the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state.

In an exemplary embodiment, after the label operation instruction is a label opening instruction, and the reader/writer sends the label opening instruction, the method further includes:

The reader/writer transmits a radio frequency radiation signal, and the radio frequency radiation signal is used to indicate that the electronic tag controls an opening manner of the light module in the electronic tag according to an on or off state of the radio frequency radiation signal;

The reader/writer causes the electronic tag to close the light module in the electronic tag when the RF radiation signal is not transmitted.

In an exemplary embodiment, the label operation instruction is a label opening instruction, and before the reader/writer sends the label opening instruction, the method further includes:

The reader/writer sends a label close command such that each electronic tag in the system turns off the light module in the electronic tag according to the label close command.

In an exemplary embodiment, after the reader/writer sends the label operation instruction, the method further includes:

The reader/writer receives operation flag information corresponding to the tag operation instruction sent by the electronic tag, and the operation flag information is used to indicate that the electronic tag has performed an operation indicated by the tag operation instruction.

If the label operation instruction sent by the reader/writer is a label opening instruction, the flag information is open Indication information

If the tag operation command sent by the reader/writer is a tag close command, the flag information is a close flag information.

The reader/writer sends a code write instruction to the electronic tag that turns on the light module, so that the electronic tag writes the user code UID information in the edit area of the electronic tag according to the code write command;

The reader/writer receives the encoded feedback information sent by the electronic tag, and the encoded feedback information includes the UID information.

The reader/writer sends a label operation instruction;

The electronic tag receives a tag operation instruction sent by the reader/writer, and turns on or off the light module in the electronic tag according to the label operation instruction.

In an exemplary embodiment, when the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening Time, wherein the opening time represents a light module in the electronic tag a turn-on time, the duty ratio of the turn-on time indicating a ratio of the turn-on time in a single pulse period when the light module is in an on state;

The method further includes:

The reader/writer transmits a radio frequency radiation signal;

In an exemplary embodiment, if the tag operation instruction is a tag open command, and the reader/writer sends the tag open command, the method further includes:

The reader/writer sends a label closing instruction;

Each electronic tag in the system receives the tag close command, and closes the light module in the electronic tag according to the tag close command.

In an exemplary embodiment, the electronic tag is turned on according to the tag operation instruction or After the light module in the electronic tag is closed, the method further includes:

In an exemplary embodiment, after the electronic tag turns on the light module in the electronic tag according to the label operation instruction, the method further includes:

The reader/writer sends a code write command to an electronic tag that turns on the light module;

An embodiment of the present disclosure further provides an electronic tag, where the electronic tag is a passive electronic tag, and the electronic tag includes:

The tag receiving module is configured to: receive an inquiry command sent by the reader/writer;

The label sending module is configured to: send a feedback message including a label type to the reader/writer according to the query instruction received by the label receiving module, where the label type is used to indicate whether the light module is configured in the electronic label ;

The tag receiving module is further configured to: receive a tag operation instruction sent by the reader/writer;

The processing module is configured to: turn on or off the light module in the electronic label according to the label operation instruction received by the label receiving module.

In an exemplary embodiment, the feedback message further includes tag coded TID information of the electronic tag, where the tag operation instruction includes TID information;

The processing module is configured to: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, turning on or off the electronic label according to the label operation instruction Light module.

The processing module is configured to: according to the label opening instruction and the instruction parameter, turn on the light module in the electronic label according to the opening mode indicated by the opening time and the duty ratio of the opening time;

The electronic tag further includes:

The module is turned off, and is set to: close the light module in the electronic label after the total opening time.

In an exemplary embodiment, if the tag operation instruction is a tag open command, the tag receiving module is further configured to: after receiving the tag open command sent by the reader/writer, receive the reader/writer The transmitted RF radiation signal;

The processing module is configured to: turn on the light module in the electronic label according to the label opening instruction, and control an opening manner of the light module in the electronic label according to an on or off state of the radio frequency radiation signal;

The tag receiving module is further configured to: when the radio frequency radiation signal sent by the reader/writer is not received, turn off the light module in the electronic tag.

In an exemplary embodiment, if the label operation instruction is a label opening instruction, the label receiving module of each of the electronic labels in the system is further configured to: before receiving the label operation instruction sent by the reader/writer Receiving a label closing instruction sent by the reader/writer;

The processing module of each of the electronic tags in the system is further configured to: close the light module in the electronic tag according to the tag closing instruction received by the tag receiving module.

In an exemplary embodiment, the label sending module is further configured to: after the processing module turns on or off the light module in the electronic label according to the label operation instruction, send the corresponding to the reader/writer The operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

If the processing module turns on the light module, the flag information is an open flag information;

If the processing module turns off the light module, the flag information is off flag information.

In an exemplary embodiment, the tag receiving module is further configured to: after the processing module turns on the light module in the electronic tag according to the label operation instruction, receive the coded write sent by the reader/writer Entry instruction

The electronic tag further includes a write operation module, configured to: write user code UID information in an edit area of the electronic tag according to the code write command received by the tag receiving module;

The tag sending module is further configured to: send the encoded feedback information to the reader/writer, where the encoded feedback information includes the UID information.

The embodiment of the present disclosure further provides a reader/writer, and the reader/writer includes:

The read/write sending module is configured to: send an inquiry command to the electronic tag;

a read/write receiving module, configured to: receive a feedback message including a tag type sent by the electronic tag according to the query instruction, where the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic component The tag is a passive electronic tag;

The read/write sending module is further configured to: send a label operation instruction, so that the electronic label turns on or off the light module in the electronic label according to the label operation instruction.

In an exemplary embodiment, if the label operation instruction is a label opening instruction, the read/write transmission module is further configured to: after transmitting the label opening instruction, send a radio frequency radiation signal, the radio frequency radiation signal And configured to instruct the electronic tag to control an opening manner of the light module in the electronic tag according to an on or off state of the radio frequency radiation signal;

The read/write sending module is further configured to: when the radio frequency radiation signal is not sent, cause the electronic tag to close the light module in the electronic tag.

In an exemplary embodiment, the label operation instruction is a label opening instruction, and the read/write transmission module is further configured to: before sending the label opening instruction, send a label closing instruction to make each of the systems The electronic tag closes the light module in the electronic tag according to the label closing instruction.

In an exemplary embodiment, the read/write receiving module is further configured to: after the read/write sending module sends the label operation instruction, receive, by the electronic label, a corresponding to the label operation instruction The operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

If the label operation instruction sent by the read/write sending module is a label opening instruction, the flag information is an opening flag information;

If the label operation instruction sent by the read/write sending module is a label closing instruction, the flag information is a closing flag information.

In an exemplary embodiment, the read/write sending module is further configured to: after sending the label operation instruction, send a code write instruction to an electronic tag that turns on the light module, so that the electronic tag is The code write command writes the user code UID information in the edit area of the electronic tag;

The read/write receiving module is further configured to: receive the encoded feedback information sent by the electronic tag, where the encoded feedback information includes the UID information.

An embodiment of the present disclosure further provides a positioning system for a radio frequency identification tag, including: a reader/writer, and at least one electronic tag respectively connected to the reader/writer;

The reader/writer includes a read/write sending module, and is configured to: send an inquiry command to each electronic tag in the system;

Each of the electronic tags includes: a tag receiving module, configured to: receive the query command;

The label sending module is configured to: send, according to the query instruction received by the label receiving module, a feedback message including a label type to the reader/writer, where the label type is used to indicate whether the electronic label is configured with a lighting module; wherein the electronic tag is a passive electronic tag;

The read/write sending module is further configured to: send a label operation instruction;

The tag receiving module is further configured to: receive a tag operation instruction sent by the read/write sending module;

Each of the electronic tags further includes: a processing module, the processing module is configured to: according to the The label operation command received by the label receiving module turns on or off the light module in the electronic label.

In an exemplary embodiment, the feedback message sent by the label sending module further includes label encoding TID information of the electronic label, and the label operation instruction sent by the read/write sending module includes TID information;

The processing module is configured to: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, turn on or off the light module in the electronic label according to the label operation instruction.

The processing module is configured to: according to the label opening instruction and the instruction parameter received by the label receiving module, turn on the light in the electronic label according to the opening mode indicated by the opening time and the duty ratio of the opening time Module

The electronic tag further includes: the closing module, configured to: close the light module in the electronic tag after the total opening time.

In an exemplary embodiment, if the label operation instruction is a label opening instruction, the read/write transmission module is further configured to: after transmitting the label opening instruction, send a radio frequency radiation signal;

The tag receiving module is further configured to: receive a radio frequency radiation signal sent by the reader/writer;

In an exemplary embodiment, if the label operation instruction is a label open instruction, the read/write transmission module is further configured to: send a label close instruction before sending the label open instruction;

The tag receiving module of each of the electronic tags in the system is further configured to: receive the tag closing instruction;

The processing module of each electronic tag is further configured to: close the light module in the electronic tag according to the label closing instruction received by the label receiving module.

In an exemplary embodiment, the read/write sending module is further configured to: after the processing module turns on the light module in the electronic label according to the label operation instruction, send the code to the electronic label that turns on the light module. Write instruction

Embodiments of the present disclosure also provide a computer readable storage medium storing computer executable instructions that, when executed, implement a method of locating the radio frequency identification tag.

The radio frequency identification tag positioning method, system, electronic tag and reader/writer provided by the embodiments of the present disclosure send the tag type to the reader/writer according to the inquiry instruction received from the reader/writer through the electronic tag. The feedback message, the label type is used to indicate whether the light module is configured in the electronic label, and the electronic label receives the label operation instruction sent by the reader/writer, and turns on or off the light module in the electronic label according to the label operation instruction; In the positioning method of the radio frequency identification tag provided by the embodiment, the electronic tag can be arranged in a one-to-one correspondence with the identified mass object, and the customized instruction sent by the reader/writer, that is, the tag operation instruction can find the target object, and is accurate. The position of the target object is located, that is, the working mode of the positioning system of the radio frequency identification tag is properly designed in this embodiment, so that the system can accurately locate the target object.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

FIG. 1 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 2 is a flowchart of another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

3 is a schematic diagram of a working mode in a method for positioning a radio frequency identification tag provided by the embodiment shown in FIG. 2;

FIG. 4 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of an operation mode of a light module in a method for positioning a radio frequency identification tag according to the embodiment shown in FIG. 4; FIG.

FIG. 6 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 7 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 8 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 9 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 10 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 11 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 12 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 13 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 14 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure

FIG. 15 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 16 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

17 is an interaction flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 18 is an interaction flowchart of a method for locating a radio frequency identification tag according to Embodiment 2 of the present disclosure;

FIG. 19 is a schematic structural diagram of an electronic tag according to an embodiment of the present disclosure;

FIG. 20 is a schematic structural diagram of another electronic tag according to an embodiment of the present disclosure;

FIG. 21 is a schematic structural diagram of a reader/writer according to an embodiment of the present disclosure;

FIG. 22 is a schematic structural diagram of a positioning system for a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 23 is a schematic structural diagram of another positioning system for a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 24 is a schematic structural diagram of still another positioning system of a radio frequency identification tag according to an embodiment of the present disclosure;

FIG. 25 is a schematic diagram of an application scenario of a positioning system for a radio frequency identification tag according to an embodiment of the present disclosure.

Preferred embodiment of the present disclosure

Embodiments of the present disclosure will be described below with reference to the accompanying drawings.

It may be noted that the steps illustrated in the flowchart of the figures may be performed in a computer system such as a set of computer executable instructions. Also, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

The reader/writer in the following embodiments of the present disclosure may be disposed at a certain position of the system or may be handheld. The reader/writer may be generally disposed on a target object that needs to be searched or positioned, for example, a commodity in a supermarket. The RFID device or the other items in the warehouse may be a fiber optic connector, and the reader/writer in the embodiment of the present disclosure may be a Radio Frequency Identification (RFID) reader. Accordingly, the electronic tag can be a passive RFID electronic tag. It can be noted that the technology of the present disclosure is hereinafter described by an alternative embodiment. The following embodiments of the present disclosure may be combined with each other, and the same or similar concepts or processes may not be described in some embodiments.

FIG. 1 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The positioning method of the radio frequency identification tag provided in this embodiment may be applicable to the search and location of a mass object, and the positioning method of the radio frequency identification tag may be performed by an electronic tag in a positioning system of the radio frequency identification tag, and the electronic tag may pass A combination of hardware and software is implemented. As shown in FIG. 1, the method in this embodiment may include:

S110. The electronic tag sends a feedback message including a tag type to the reader according to the inquiry command received from the reader, and the tag type is used to indicate whether the electronic tag is configured with a light module, and the electronic tag is passive. electronic label.

The method for locating a radio frequency identification tag provided by the embodiment of the present disclosure may be a method for performing a search and positioning of a mass object. The reader/writer in this embodiment may be handheld, that is, set for mobility, or the read/write. The device can be mounted on the target object to be searched. The embodiments of the present disclosure can be applied to point-to-point and point-to-multipoint working environments. For example, a suitable RFID technology is Ultra High Frequency RFID (UHF-RFID) technology, which is optional. The operating frequency is between 860 megahertz (MHz) and 960 MHz. The UHF-RFID passive lighting technology that can be used in the embodiments of the present disclosure adopts the principle of microwave energy transmission, and the experimental distance can reach 3 meters, which provides a high application range and can be applied to point-to-point and point-to-multiple applications. point.

S120. The electronic tag receives a tag operation instruction sent by the reader/writer.

S130. The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction.

The method of this embodiment can be applied to the positioning of UHF radio frequency identification tags.

In this embodiment, the positioning system of the radio frequency identification tag may generally have a plurality of electronic tags, that is, a plurality of electronic tags are disposed correspondingly on the managed object, and the electronic tags disposed on the objects are received and read. When the label operation instruction is sent by the device, the light module in the electronic label can be turned on or off according to the label operation instruction. The tag operation instruction in the embodiment of the present disclosure may include a tag open instruction and a tag close instruction, and the tag operation instruction may be a generalized instruction, and does not restrict which electronic tag in the system is operated, as long as the system receives the The electronic label of the instruction can turn on or off the light module of the electronic label according to the label operation instruction.

For example, the reader can send a label close command before lighting one or some electronic labels through the label open command. The label close command is similar to the reset operation, which ensures that the light modules of the electronic labels in the system are all It is placed in the off state to prevent the individual electronic tags from being lit before lighting, which results in inaccurate positioning.

For another example, the reader/writer can also indicate that the electronic tag that can be configured with the light module in the system illuminates the configured light module by sending a label opening instruction, so that the electronic label data in the system is more, and In the case where some electronic tags are not equipped with a light module, it is very convenient to identify which electronic tags are equipped with light modules.

It can be noted that the electronic tag in the embodiment of the present disclosure may be a passive electronic tag, and the electronic tag may be powered by electromagnetic waves emitted by the reader to illuminate the LED thereon. The way in which an active RFID tag is powered by a battery to illuminate the LED can be different.

In an implementation, the light module that can be turned on in the embodiment of the present disclosure may be a light module of an electronic label, and the light module may be, for example, a light emitting diode (LED), that is, a new one is added to the passive electronic label. Component LEDs, because the LEDs that add LEDs are a new type of tag, so new flags can be defined in the system's Flags to indicate the status of the tags, and new instructions and protocols can be customized. To work with the controller, the following two instructions are described:

Custom command 1: Label open command, which can be expressed as: Req_LedOn, set to: illuminate the LED on the electronic tag.

Custom command 2: The tag close command can be expressed as: Req_LedOff, set to: turn off the LED on the electronic tag.

Through the above customized instructions, the reader and the electronic tag can establish a protocol for controlling the switch of the LED light on the label and the working state of the LED light by convention. The working mode in the embodiment of the present disclosure may be: in order to quickly find the target object and determine the position of the target object, the reader/writer may be placed at a certain position or hand-held, and the electronic tag has been physically connected and identified. Object matching and binding, that is, the electronic tag has a certain matching relationship with the identified object. After one or some of the electronic tags are illuminated, they can be accurately positioned by the human eye or the camera according to the position of the illuminated electronic tag.

In the positioning method of the radio frequency identification tag provided by the embodiment, the electronic tag sends a feedback message including a tag type to the reader/writer according to the inquiry instruction received from the reader/writer, and the tag type is used to indicate whether the electronic tag is in the electronic tag. The light module is configured to receive the label operation command sent by the reader/writer, and the light module in the electronic label is turned on or off according to the label operation instruction. In the positioning method of the radio frequency identification label provided by the embodiment, the electronic label can be The one-to-one correspondence and the identified mass object, the custom instruction sent by the reader, that is, the label operation instruction can find the target object and accurately locate the position of the target object, that is, the RF is designed by the embodiment. The identification of the positioning system of the tag allows the system to accurately locate the target object.

Optionally, FIG. 2 is a flowchart of another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. On the basis of the foregoing embodiment shown in FIG. 1 , the feedback message sent by the electronic tag according to the inquiry command in S110 may further include tag identification (TID) information of the electronic tag, and the electronic tag in S120. The received tag operation instruction may include TID information indicating that the reader/writer indicates TID information corresponding to the electronic tag that needs to be lit.

Correspondingly, the S130 in this embodiment may include: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, the electronic label turns on or off the light module in the electronic label according to the label operation instruction.

FIG. 3 is a schematic diagram of a working mode in a method for positioning a radio frequency identification tag provided in the embodiment shown in FIG. 2. The reader/writer shown in Figure 3 can be a UHF-RFID reader/writer. The current tag operation command issued by the reader can be a tag open command. The TID information of the electronic tag in the middle of Figure 3 is sent by the UHF-RFID reader. The TID information in the tag open command may be the same. Therefore, the LED of the electronic tag is illuminated, and the object corresponding to the electronic tag may be the target object to be searched for.

It can be noted that the TID information in this embodiment may be the unique identification information in the electronic label, that is, each electronic label is defined by the manufacturer at the time of shipment, for example: manufacturer + batch number, and the TID information is also It may be in other forms as long as the TID information in each electronic tag is unique to satisfy the requirements of the TID information in the embodiment of the present disclosure; since the ID information of the identified object can be characterized by using the TID information of the electronic tag, The identified object is unique The TID information can accurately determine the position of the target object through the reader.

It can also be noted that since the positioning system of the radio frequency identification tag is in practical applications, the identified object can usually be massive, so the system can usually have multiple electronic tags, but in the point-to-point lighting process, only The judgment result of the electronic tag configured on the target object is the same, and then the corresponding label operation instruction is executed; in addition, the judgment result of the electronic tag configured on the other identification object is different, and at this time, the other electronic tag can ignore the reader to send The label operation instruction, that is, no operation is performed.

Optionally, FIG. 4 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S120 of this embodiment, the electronic tag may receive the tag open command, and the tag open command may further include an instruction parameter, where the command parameter may include an open time, a duty ratio of the open time, and a total open time, in this embodiment. The instruction parameters can also be the newly defined protocol content. The following describes the contents of the instruction parameters and the protocol specification:

The command parameter can be expressed as: Req_LedPare(t, d, T), the command parameter is used to determine the working mode of the LED in the electronic tag, as shown in FIG. 5, the positioning method of the radio frequency identification tag provided in the embodiment shown in FIG. A schematic diagram of the working mode of a light module. In one aspect, t represents the turn-on time of the LED, wherein the selection of t has a certain range, and the number of selections is usually limited, for example, from 10 milliseconds (ms) to 1 s, and the range that t can select is, for example, t1=10 ms, T2=50ms, ..., tn=1s. In theory, the value of n can be infinite, but usually takes a finite number. For example, the value of n can be about 10, and the meaning of the parameter t is the blinking of the LED light. The human eye, or the camera, can quickly find the location of the corresponding electronic tag, that is, accurately locate the target object. On the other hand, d represents the duty cycle of t, d = t / t0, where t0 is the time of a single pulse period, that is, the ratio of t in a single pulse period, in theory there can be countless choices, but usually Choose one of four conditions, namely 25%, 50%, 75%, 100%. On the other hand, the total turn-on time can be expressed as T, which is the total time of the light module's working pulse.

Correspondingly, on the basis of each of the above one or more embodiments, the following is taken as an example on the basis of the flow shown in FIG. 2, and S130 in this embodiment may be replaced by:

S130. When determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, the electronic label according to the label opening instruction and the instruction parameter, according to the opening time and the opening time. The mode of opening indicated by the duty cycle turns on the light module in the electronic tag.

Optionally, the embodiment further includes after S130:

S140. The electronic tag turns off the light module in the electronic tag after the total time of opening.

In this embodiment, the lighting mode of the light module is determined by the command parameter in the label opening instruction, that is, the electronic label can be turned on according to the opening mode indicated by the instruction parameter, for example, t in the instruction parameter. The values are 10ms, 20ms, ..., 1 minute (min), and the value of d is 25%. The light module is turned on at 10ms, 20ms, ..., 1s, and the total open time is one pulse cycle time. 25%. The electronic tag in this embodiment can illuminate its own LED according to the instruction of the command parameter, and is used to display the accurate geographical position of the target object, so that the target object can be quickly found by the human eye or the camera.

It can be noted that, in the embodiment of the present disclosure, a plurality of parameter values in the command parameter sent by the reader/writer, that is, (t, d, T) may be set by a person performing the operation. Generally, the operator may set t and d. , T can be a default value, that is, the T is a default value. If the operator does not reset the T, T is always the default value, for example, it can be 1 min.

The embodiment provides an implementation manner of the light module opening mode. By adding a command parameter to the label opening instruction, the electronic label is instructed to open the light module in a specified manner, so that the method can also be searched by changing the parameter parameters. Multiple target objects are searched and positioned at the same time. Because the lighting modules are opened differently, the search for multiple target objects does not affect each other, which improves the working efficiency of positioning the target object and saves working time.

Optionally, FIG. 6 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S120 of this embodiment, the electronic tag can also receive the tag open command. The difference from the embodiment shown in FIG. 4 is that the tag open command does not have an instruction parameter, and the method provided in this embodiment may further include after S120. :

S121. The electronic tag receives the radio frequency radiation signal sent by the reader/writer.

Correspondingly, S130 in this embodiment may be replaced by:

S130. When determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, the electronic label starts the light module in the electronic label according to the label opening instruction, and according to the The on or off state of the RF radiation signal controls how the light module is turned on in the electronic tag.

The method provided in this embodiment may further include:

S140. The electronic tag turns off the light module in the electronic tag when the RF signal sent by the reader/writer is not received.

In this embodiment, the electronic tag can receive the radio frequency radiation signal sent by the reader/writer, and the radio frequency radiation signal can be a radio frequency electromagnetic wave, and the reader can control the opening mode of the light module in the electronic tag by controlling the switching frequency of the radio frequency electromagnetic wave. As long as the electronic tag receives the tag open command and subsequently receives the radio frequency electromagnetic wave, the electronic module can be turned on or off according to the pulse form of the radio frequency electromagnetic wave. The working mode of the radio frequency electromagnetic wave in this embodiment can also be as shown in FIG. 5, in which the high level is the electromagnetic wave is turned on, the low level is the electromagnetic wave is turned off, and the light module of the electronic tag is lit when the electromagnetic wave is turned on, and the electromagnetic wave is turned off. When the passive electronic tag does not receive energy, the light module is turned off; the flashing illumination of the electronic tag can be achieved by the above method.

In this embodiment, the open state of the light module of the electronic tag can be controlled by the reader, thereby reducing the design difficulty of the electronic tag, that is, there is no need to specifically design a clock to control the blinking state of the light module, and the electronic tag is reduced. The production cost is invaluable for the large-scale promotion of the method provided by this embodiment.

FIG. 7 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. On the basis of the foregoing embodiment shown in FIG. 2, the label operation command received by the electronic tag in S120 is a label open command. The method provided in this embodiment may further include:

S111, each electronic tag in the system receives a tag closing instruction sent by the reader/writer.

S112. Each electronic tag in the system turns off the light module in the electronic tag according to the label closing instruction.

The label closing instruction in this embodiment may be used to indicate that each electronic label in the positioning system of the radio frequency identification tag is turned off, that is, the above-mentioned general instruction. In this embodiment, before the light module of an electronic label is opened by the reader, a reset operation may be performed, that is, the electronic label configured on each of the identification objects in the positioning system of the RFID tag is turned off. Mode The state of the block, if some or some of the electronic tags in the system are currently turned on due to previous operations before finding the target object, it is likely to cause erroneous search and positioning. Through the reset operation provided in this embodiment, the lighting module of all the electronic tags in the system can be closed before performing the searching and positioning, which greatly avoids the possibility of erroneous searching and positioning, that is, the embodiment provides The accuracy of the positioning method of the RFID tag is working.

In each of the above one or more embodiments of the present disclosure, each electronic tag can report to the reader/writer a unique identification code, that is, TID information, so that when performing subsequent searching and positioning work, The collected TID information is compared with the TID information of the electronic tag configured on the target object to be searched, and it can be determined whether the target object to be searched is in the range of the search. If the target object is not in the range, it can be in another pile. The continuation of the search in the identification object and repeating the above work procedure can accurately locate the position of the target object through the TID information, that is, the TID information reported by the electronic tag can prepare for subsequent execution of the search and positioning work. In the implementation, when the electronic tag reports the TID information, the tag type can be reported at the same time, that is, whether the light module is configured in the electronic tag, and if the light module is not configured in the electronic tag, the electronic tag cannot be implemented by the disclosure. The method for locating the RFID tag is provided for searching and locating, that is, the method provided in this embodiment is only applicable to searching and locating an electronic tag configured with a light module.

It can be noted that the label type in the embodiment can also be used to indicate the type and color of the light module when the light module is configured in the electronic label. For example, the type of the light module is LED, and the LED saves power and turns on. The advantage of small voltage is that LEDs can also be executed in different colors. For example, they can usually be red. The minimum on-voltage of red LEDs is only 1.6 volts (v), while green is 2.5V and blue is 3.0V. For different color LEDs, a color parameter C can be defined in the label type. For example, when C=R, the LED is red, when C=G, the LED is green, and when C=B, the LED is blue. And can be configured to only feed back this information when the reader asks for this parameter. In the application, similar objects can be distinguished by LEDs of different colors. For example, in a similar type of mass object, an electronic tag with a red LED can be configured for most easy-to-find objects, and a blue color can be configured for a few difficult-to-find objects. Or the green LED's electronic tag, which can improve the efficiency and accuracy of the RFID tag positioning method.

Optionally, the method provided by each of the one or more embodiments of the present disclosure, electronic After the label is turned on or off according to the label operation instruction, the light module in the electronic label, that is, S130, may further include:

S140. The electronic tag sends corresponding operation flag information to the reader/writer, where the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

The operation flag information in this embodiment may include the opening flag information or the closing flag information. Optionally, if the electronic tag receives the label opening instruction in S120, the electronic label in S130 may open the light module of the electronic label according to the label opening instruction. Then, the flag information sent by the electronic tag in S140 may be the opening flag information; if the electronic tag receives the tag closing instruction in S120, the electronic tag in S130 may close the light module of the electronic tag according to the label closing instruction, and then the electronic tag is sent in S140. The flag information can be the off flag information.

In this embodiment, the operation flag information may also be a newly customized flag state, and the following two custom flag states (Flags) are described below:

Flag status 1, open flag information, can be expressed as LED_ON, after executing the command Req_LedOn, the electronic tag can indicate that the light module on the electronic tag is in the working state by replying the flag information LED_ON to the reader.

The flag state 2, the flag information can be indicated as LED_OFF, and after executing the command Req_LedOff, the electronic tag can indicate that the light module on the electronic tag is in the closed working state by replying the flag information LED_OFF to the reader.

Optionally, the method provided by each of the foregoing one or more embodiments of the present disclosure may further include: after the electronic module in the electronic label is turned on according to the label operation instruction, the electronic label may include:

S150. The electronic tag receives a coded write command sent by the reader/writer.

S160. The electronic tag writes a user code (User ID, UID for short) information in an edit area of the electronic tag according to the code write command.

S170. The electronic tag sends the encoded feedback information to the reader/writer, where the encoded feedback information includes UID information.

In this embodiment, if the electronic tag received in the S120 can be a tag open command, the electronic tag in S130 can perform an operation of turning on the light module, and then the reader can pass the open The electronic tag of the lighting module sends a coded write command, indicating that the electronic tag writes UID information in its own code area, and the UID information may be different from the TID information in the above embodiment, and is not unique. The identification information is coded information that the user writes according to the need, for example: supermarket item _ living area _ code number, the UID information may be a way for the user to self-code to distinguish different objects, similar to different in the library The encoding method in the area bookshelf. The reader can also search for the target object through the UID information.

It can be noted that, in this embodiment, the execution manner and the sequence of the S140 and the S150 to S170 are not limited, and may be performed selectively, or may be performed in sequence, or may be performed in parallel. The embodiment shown in FIG. 7 is S140. Execution before S150 to S170 is shown as an example.

FIG. 8 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. The positioning method of the radio frequency identification tag provided in this embodiment may be applicable to the searching and positioning of a mass object, and the positioning method of the radio frequency identification tag may be performed by a reader/writer in a positioning system of the radio frequency identification tag, the reader/writer It can be implemented by a combination of hardware and software. As shown in FIG. 8, the method in this embodiment may include:

S210, the reader sends an inquiry command to the electronic tag.

S220, the reader receives the feedback message including the tag type sent by the electronic tag according to the query instruction, and the tag type is used to indicate whether the light module is configured in the electronic tag, wherein the electronic tag is a passive electronic tag.

The method for locating a radio frequency identification tag provided by the embodiment of the present disclosure may be a method for performing a search and positioning of a mass object. The reader/writer in this embodiment may be handheld, that is, set for mobility, or the read/write. The device can be mounted on the target object to be searched. Embodiments of the present disclosure can be applied to point-to-point and point-to-multipoint working environments. For example, a suitable RFID technology is UHF-RFID technology, and an optional operating frequency is between 860 MHz and 960 MHz. The UHF-RFID passive lighting technology used in the embodiments of the present disclosure adopts the principle of microwave energy transmission, and the experimental distance can reach 3 meters, providing a high application range, and can be applied with point-to-point and point-to-multipoint. .

S230, the reader/writer sends a label operation instruction, so that the electronic label turns on or off the light module in the electronic label according to the label operation instruction.

In this embodiment, the positioning system of the radio frequency identification tag may generally have a plurality of electronic tags, that is, a plurality of electronic tags are disposed correspondingly on the managed object, and the electric power is set on the objects. When the subtag receives the label operation instruction sent by the reader, the light module in the electronic label can be turned on or off according to the label operation instruction. The tag operation instruction in the embodiment of the present disclosure may include a tag open instruction and a tag close instruction, and the tag operation instruction may be a generalized instruction, and does not restrict which electronic tag in the system is operated, as long as the system receives the The electronic label of the instruction can turn on or off the light module of the electronic label according to the label operation instruction.

In an implementation, the light module that can be turned on in the embodiment of the present disclosure may be an electronic label, and the light module may be, for example, an LED, that is, a new component LED is added to the passive electronic label because the electronic label of the LED is added. Is a new type of tag, so you can define some new flags in the system's flag fields (Flags) to indicate the status of the electronic tag, and you can customize the new instructions and protocols to work with the controller, two in this embodiment. The custom instructions have been described in the above embodiments, and therefore will not be described again.

In the method for locating a radio frequency identification tag provided by the embodiment, the reader/writer transmits a query command to the electronic tag, and receives a feedback message including a tag type sent by the electronic tag according to the query instruction, and the tag type is used to indicate the electronic device. Whether the light module is configured in the label, and the reader sends the label operation instruction to the electronic label, so that the electronic label turns on or off the light module in the electronic label according to the label operation instruction; the positioning method of the radio frequency identification label provided in this embodiment The electronic tag can be configured in a one-to-one correspondence with the identified mass object, and the custom command sent by the reader/writer, that is, the tag operation command, can find the target object and accurately locate the position of the target object, that is, the embodiment. Through the reasonable design of the positioning system of the RFID tag, the system can accurately target the target object.

Optionally, on the basis of the foregoing embodiment shown in FIG. 8, the feedback message received by the reader/writer in S220 in this embodiment may further include TID information of the electronic tag, and the tag sent by the reader/writer in S230. The operation instruction may also include TID information, which is a TID information corresponding to the electronic tag that the reader/writer indicates to be lit. Correspondingly, when determining that the TID information in the label operation instruction is the same as the TID information of the current electronic label, the electronic label in the embodiment is based on the label The operation command turns the light module in this electronic label on or off. For the embodiment, the working mode shown in FIG. 3 can also be referred to, and details are not described herein again.

It can be noted that the TID information in this embodiment may be the unique identification information in the electronic label, that is, each electronic label is defined by the manufacturer at the time of shipment, for example: manufacturer + batch number, and the TID information is also It may be in other forms as long as the TID information in each electronic tag is unique to satisfy the requirements of the TID information in the embodiment of the present disclosure; since the ID information of the identified object is represented by the TID information of the electronic tag, The identified object has unique TID information, and the position of the target object can be accurately determined by the reader.

It can also be noted that since the positioning system of the radio frequency identification tag is in a practical application, the object to be identified is usually massive, so the system can usually have multiple electronic tags, but in the point-to-point lighting process, only The judgment result of the electronic tag configured on the target object is the same, and then the corresponding label operation instruction is executed; in addition, the judgment result of the electronic tag configured on the other identification object is different, and at this time, the other electronic tag can ignore the transmission by the reader/writer. Label operation instructions, that is, no operation is performed.

Optionally, FIG. 9 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S230 of this embodiment, the reader/writer can send a label opening instruction, and the label opening instruction can further include an instruction parameter, and the instruction parameter can include an opening time, a duty ratio of the opening time, and a total opening time, in this embodiment. The instruction parameter may also be a newly defined protocol content. The content of the instruction parameter and the meaning of each of the plurality of parameters included in the instruction parameter are described in the foregoing embodiment, and thus are not described herein again. Correspondingly, the manner in which the electronic tag turns on the light module in the embodiment may be: when determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, according to the label opening instruction and the instruction parameter, according to the opening time and opening The mode of opening indicated by the duty cycle of time turns on the light module in the electronic tag. The electronic tag in this embodiment can also close the light module in the electronic tag after the total time of opening. It can be noted that the setting manners of different parameter values in the instruction parameters and the implementation manner of the opening of the light module, and the beneficial effects in the embodiments of the present disclosure have been described in the foregoing embodiments, and thus are not described herein again.

Optionally, if the tag operation command sent by the reader/writer is a tag open command in the S230 of the embodiment, the method provided in this embodiment may further include:

S221, the reader sends a label closing instruction, so that each electronic label in the system turns off the light module in the electronic label according to the label closing instruction.

The label closing instruction in this embodiment may be used to indicate that each electronic label in the positioning system of the radio frequency identification tag is turned off, that is, the above-mentioned general instruction. In this embodiment, before the light module of an electronic label is opened by the reader, a reset operation may be performed, that is, the electronic label configured on each of the identification objects in the positioning system of the RFID tag is turned off. The state of the module, if some or some of the electronic tags in the system are currently turned on due to previous operations before finding the target object, it is likely to cause incorrect search and positioning.

It can be noted that the label type in the embodiment can also be used to indicate the type and color of the light module when the light module is configured in the electronic label. For example, the type of the light module is LED, and the LED saves power and turns on. The advantage of small voltage is that LEDs can also be executed in different colors; alternatively, for different colors of LEDs, a color parameter C can be defined in the label type, and can be configured to be only when the reader interrogates the parameter, the electronic label Will feedback this information.

Optionally, FIG. 10 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S230 of this embodiment, the reader/writer also sends a label opening instruction. Unlike the embodiment shown in FIG. 9, the label opening instruction does not have an instruction parameter, and the method provided in this embodiment may further include after S230. :

S240, the reader sends the radio frequency radiation signal, so that when the TID information in the label opening instruction is the same as the TID information of the electronic label, the electronic module turns on the light module in the electronic label according to the label opening instruction, and according to the radio frequency radiation The on or off state of the signal controls how the light module is turned on in the electronic tag.

S250, the reader/writer turns off the light module in the electronic tag when the RF radiation signal is not sent.

Optionally, FIG. 11 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. On the basis of the embodiment shown in FIG. 8 , the reader/writer sends a label operation instruction, so that the electronic label can further include: after the light module in the electronic label is turned on or off according to the label operation instruction, that is, S230,

S240. The reader/writer receives operation flag information corresponding to the tag operation instruction sent by the electronic tag, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

The operation flag information in this embodiment may include the opening flag information or the closing flag information. Optionally, if the reader/writer sends a label opening instruction in S230, so that the electronic label turns on the light module of the electronic label according to the label opening instruction, The flag information received by the reader/writer in S240 may be the opening flag information; if the reader/writer sends a label closing instruction in S230, so that the electronic tag closes the light module of the electronic tag according to the label closing instruction, the reader/writer receives the S240. The flag information can be the off flag information. In this embodiment, the operation flag information may also be a newly customized flag state. The two customized flag states have been described in the foregoing embodiment, and thus are not described herein again.

Optionally, in the method provided by each embodiment of the foregoing one or more embodiments, the reader/writer sends a label operation instruction, so that the electronic label is turned on after the light module in the electronic label is activated according to the label operation instruction, that is, S230 After that, you can also include:

S250. The reader/writer sends a code write command to the electronic tag that turns on the light module, so that the electronic tag writes the UID information in the edit area of the electronic tag according to the code write command.

S260. The reader/writer receives the encoded feedback information sent by the electronic tag, where the encoded feedback information includes UID information.

In this embodiment, if the reader/writer in S230 sends a label opening instruction, the electronic label can perform the operation of turning on the light module, and then the reader can send the code writing to the electronic label of the light module. The instruction mode indicates that the electronic tag writes UID information in its own code area, and the UID information may be different from the TID information in the foregoing embodiment, and is not unique identification information, which is written by the user according to the need. Encoding information.

It can be noted that, in this embodiment, the execution manner and the sequence of the S240 and the S250 to S260 are not limited, and may be performed selectively, or may be performed in sequence, or may be performed in parallel. The embodiment shown in FIG. 11 is S240. Execution before S250 to S260 is shown as an example.

FIG. 12 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. The positioning method of the radio frequency identification tag provided in this embodiment is applicable to the positioning and positioning of the mass object. The positioning method of the radio frequency identification tag can be performed by the positioning system of the radio frequency identification tag, and the positioning system of the radio frequency identification tag can pass through the hardware. The combination of the software and the software, the positioning system of the RFID tag can include a reader and an electronic tag. As shown in FIG. 12, the method in this embodiment may include:

S310. The electronic tag sends the identifier to the reader according to the inquiry command received from the reader/writer. A type of feedback message, the label type is used to indicate whether a light module is configured in the electronic label, wherein the electronic label is a passive electronic label.

S320, the reader sends a label operation instruction.

S330: The electronic tag receives a label operation instruction sent by the reader, and turns on or off the light module in the electronic label according to the label operation instruction.

The tag operation instruction in the embodiment of the present disclosure may include a tag open instruction and a tag close instruction, and the tag operation instruction may be a generalized instruction, and does not restrict which electronic tag in the system is operated, as long as it is received in the system. The electronic label of the instruction can turn on or off the light module of the electronic label according to the label operation instruction. It can be noted that the electronic tag in the embodiment of the present disclosure may be a passive electronic tag, and the electronic tag may be powered by electromagnetic waves emitted by the reader to illuminate the LED thereon. The way in which an active RFID tag is powered by a battery to illuminate the LED can be different.

In the positioning method of the radio frequency identification tag provided by the embodiment, the electronic tag sends a feedback message including a tag type to the reader/writer according to the inquiry instruction received from the reader/writer, and the tag type is used to indicate whether the electronic tag is in the electronic tag. The light module is configured to open or close the light module in the electronic label according to the label operation command received by the electronic label; in the positioning method of the radio frequency identification label provided by the embodiment, the electronic label The one-to-one correspondence and the identified mass object, the custom instruction sent by the reader/writer, that is, the label operation instruction can find the target object and accurately locate the position of the target object, that is, the embodiment is designed by reasonable The working mode of the RFID tag positioning system enables the system to accurately target the target object.

Optionally, FIG. 13 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. Implemented in Figure 12 above On the basis of the example, the TID information of the electronic tag may be further included in the feedback message sent by the electronic tag according to the inquiry command in S310, and the TID information may be included in the tag operation instruction sent by the reader/writer in S320, and the TID information is read. The writer indicates the TID information corresponding to the electronic tag that needs to be lit.

Correspondingly, S330 in this embodiment may be: the label operation instruction sent by the electronic tag receiving reader/writer, and when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, according to the label operation instruction, Or turn off the light module in this electronic label. For the embodiment, the working mode shown in FIG. 3 can also be referred to, and details are not described herein again.

It can be noted that the TID information in this embodiment may be unique identification information in the electronic label, that is, each electronic label is defined by the manufacturer at the time of shipment. In addition, since the positioning system of the radio frequency identification tag is in practical applications, the identified object can usually be massive, so the system can usually have multiple electronic tags, but in the point-to-point lighting process, only the target object is on the target object. The judgment result of the configured electronic label is the same, and then the corresponding label operation instruction is executed; the judgment result of the electronic label configured on the other identification object is different. At this time, the other electronic label can ignore the label operation instruction sent by the reader, that is, Do nothing.

Optionally, FIG. 14 is a flowchart of a method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S320 of this embodiment, the reader/writer can send a label opening instruction, and the label opening instruction can further include an instruction parameter, and the instruction parameter can include an opening time, a duty ratio of the opening time, and a total opening time, in this embodiment. The instruction parameter is also a newly defined protocol content, and the content of the instruction parameter and the meaning of each of the plurality of parameters included in the instruction parameter have been described in the foregoing embodiment, and thus will not be described herein.

Correspondingly, on the basis of each of the above one or more embodiments, the following is taken as an example on the basis of the flow shown in FIG. 13, and S330 in this embodiment may be replaced by:

S330, the electronic tag receives the tag open command sent by the reader/writer, and when determining that the TID information in the tag open command is the same as the TID information of the electronic tag, according to the label open command and the command parameter, according to the open time and the open time Turn on the light module in the electronic tag by turning on the mode indicated by the space ratio.

Optionally, the embodiment further includes after S330:

S340, the electronic tag turns off the light module in the electronic tag after the total time of opening.

It can be noted that the setting manners of different parameter values in the instruction parameters and the implementation manner of the opening of the light module 230, and the beneficial effects in the embodiments of the present disclosure have been described in the foregoing embodiments, and thus are not described herein again.

FIG. 15 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. In S320 of this embodiment, the electronic tag also receives the tag open command, which is different from the embodiment shown in FIG. 14. The tag open command does not have the command parameter, and the method provided in this embodiment may further include:

S340, the reader sends a radio frequency radiation signal.

S350, the electronic tag receives the radio frequency radiation signal sent by the reader/writer, and when the TID information in the tag opening instruction is the same as the TID information of the electronic tag, the light module in the electronic tag is turned on according to the label opening instruction, and according to the radio frequency radiation The on or off state of the signal controls how the light module is turned on in the electronic tag.

S360: The electronic tag turns off the light module in the electronic tag when the RF signal sent by the reader/writer is not received.

It can be noted that, in this embodiment, the time for the reader to transmit the radio frequency radiation signal is not limited, for example, it may be sent immediately after the reader sends the label opening instruction, or may be sent after the electronic label receives the instruction and feedbacks the response. 15 is shown by taking S340 after S330 as an example.

FIG. 16 is a flowchart of still another method for locating a radio frequency identification tag according to an embodiment of the present disclosure. The method can be applied to the positioning of UHF RFID tags. On the basis of the foregoing embodiment shown in FIG. 13, the method provided in this embodiment may further include:

S311, the reader sends a label close instruction.

The label closing instruction in this embodiment may be used to indicate that each electronic label in the positioning system of the radio frequency identification tag is turned off, that is, the above-mentioned general instruction.

S312: Each electronic tag in the system receives a label closing instruction, and closes the light module in the electronic label according to the label closing instruction.

In this embodiment, before the light module of an electronic label is opened by the reader, a reset operation may be performed, that is, the electronic label configured on each of the identification objects in the positioning system of the RFID tag is turned off. The state of the module, if it is in the system before finding the target object Some or some of the electronic tags are currently turned on due to previous operations, which is likely to cause incorrect search and location.

Optionally, the method provided in each of the foregoing one or more embodiments of the present disclosure, after the electronic label is turned on or off according to the label operation instruction, that is, after the S330, the method may further include:

S340. The electronic tag sends corresponding operation flag information to the reader/writer, where the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

The operation flag information in this embodiment may include the opening flag information or the closing flag information. Optionally, if the reader/writer sends a label opening instruction in S320, the electronic label in S330 starts the light module of the electronic label according to the label opening instruction. Then, the flag information sent by the electronic tag in S340 may be the opening flag information; if the reader/writer sends a tag closing instruction in S320, the electronic tag in S330 turns off the light module of the electronic tag according to the label closing instruction, and the electronic tag is sent in S340. The flag information can be the off flag information. In this embodiment, the operation flag information may also be a newly customized flag state. The two customized flag states have been described in the foregoing embodiment, and thus are not described herein again.

Optionally, the method provided in each of the foregoing one or more embodiments of the present disclosure, after the electronic tag in the S330 is opened according to the label operation instruction, the electronic tag may further include:

S350, the reader sends a code write command to the electronic tag that turns on the light module.

S360. The electronic tag writes the UID information in the editing area of the electronic tag according to the code writing instruction.

S370. The electronic tag sends the encoded feedback information to the reader/writer, where the encoded feedback information includes UID information.

In this embodiment, if the reader/writer sends a label open command in S320, the electronic label in S330 can perform the operation of turning on the light module, and then the reader/writer can send the code write to the electronic label of the open light module. In the manner of the instruction, the electronic tag is instructed to write the UID information in its own code area. The difference between the UID information and the TID information in the foregoing embodiment may be that the information is not uniquely identified and is written by the user as needed. Encoded information.

It can be noted that the embodiment does not limit the execution manner and sequence of S340 and S350-S370, and may be selectively performed, may be performed sequentially, or may be performed in parallel. The embodiment shown in FIG. 16 is S340. Execution before S350 to S370 is shown as an example.

In order to make the technical solutions of the present disclosure clearer, the application scenarios and application manners of the positioning method of the radio frequency identification tags provided by the embodiments of the present disclosure are described in detail below through several examples.

Example one

FIG. 17 is an interaction flowchart of a method for locating a radio frequency identification tag according to an example 1 of the present disclosure. The method can be applied to the positioning of UHF RFID tags. The positioning method of the radio frequency identification tag provided by the embodiment is suitable for searching and positioning a mass object, and the positioning method of the radio frequency identification tag can be performed by a positioning system of the radio frequency identification tag, and the positioning system of the radio frequency identification tag passes through hardware and The software is combined to realize that the positioning system of the RFID tag includes a reader/writer and a plurality of electronic tags. FIG. 17 shows an example in which two electronic tags are included in the system. As shown in FIG. 17, the method in this embodiment may include:

S401. The reader sends an inquiry command to each reader in the positioning system of the RFID tag.

S402. Each electronic tag sends the TID information and the tag type of the electronic tag to the reader according to the inquiry instruction.

The label type in the embodiment may also indicate whether the light module is configured in the electronic label, and the two electronic labels in the embodiment may be configured with LEDs, and the TID information reported by one electronic label is the first TID information. The TID information reported by another electronic tag is the second TID information.

S403, the reader sends Req_LedOff. Req_LedOff in this embodiment is used to indicate that each electronic tag in the system turns off the light module.

The Req_LedOff sent by S403 in this embodiment may be a group sending instruction, and all the electronic tags in the positioning system of the radio frequency identification tag are placed in the OFF state after receiving the instruction.

S404. Each electronic tag closes the light module in the electronic tag according to Req_LedOff.

S405. Each electronic tag sends a shutdown flag information LED_OFF to the reader/writer.

S406, the reader/writer sends Req_LedOn, and the Req_LedOn includes the first TID information. The first TID information in this embodiment is the TID information reported by the one electronic label.

The reader/writer in this embodiment can select a TID information reported by an electronic tag according to the search requirement of the target object, and carry it in Req_LedOn for transmission.

S407, wherein the first TID information in one electronic label comparison Req_LedOn is the same as its own TID information (ie, the first TID information).

S408, the electronic tag opens the light module in the electronic tag according to Req_LedOn.

In this implementation, in the S406, the Req_LedOn sent by the reader/writer may further include LedPara(t, d, T), and the manner in which the electronic tag turns on the light module in S408 may be determined by parameters t and d, for example: t= 100ms, d=50%. The values of t and d have been described in the foregoing embodiments, and therefore are not described herein again. If the reader sends Req_LedOn without carrying LedPara, you can also turn on the light module in a pre-agreed manner.

On the other hand, another electronic tag can perform the following operations:

S4071, the first TID information in the other electronic tag comparison tag open command is different from its own TID information (ie, the second TID information).

In S4081, the electronic tag remains silent, that is, no processing is performed.

It can be noted that the embodiment does not limit the execution order of S407 to S408 and S4071 to S4081, and may be performed in parallel. Then, the electronic tag of the light module in this embodiment can also perform the following operations:

S409, the electronic tag sends an open flag information LED_ON to the reader/writer.

S410. The electronic tag turns off the light module after the light module is turned on for T time.

S411, the electronic tag sends a shutdown flag information LED_OFF to the reader/writer.

It can be noted that the above S410 is a method in which the electronic module is turned off according to the LedPara sent by the reader/writer.

Optionally, S410 in this embodiment may also be replaced by:

S4101, the reader sends Req_LedOff, and the label closing instruction includes the first TID information;

S4102. The electronic tag closes the light module in the electronic tag according to Req_LedOff.

Example two

FIG. 18 is an interaction flowchart of a method for locating a radio frequency identification tag according to Embodiment 2 of the present disclosure. The method can be applied to the positioning of UHF RFID tags. The positioning method of the radio frequency identification tag provided in this embodiment may be applicable to the positioning and positioning of a mass object, and the positioning method of the radio frequency identification tag may be performed by a positioning system of the radio frequency identification tag, and the positioning system of the radio frequency identification tag may pass The combination of hardware and software is implemented. The positioning system of the RFID tag can include a reader/writer and a plurality of electronic tags. The application scenario of FIG. 18 is, for example, that the fiber connectors at both ends of the fiber are associated by the electronic tag, that is, the fiber connectors at both ends of the fiber are arranged one-to-one corresponding to the electronic tags, and an implementation manner may be: the electronic tag is used as an accessory. When the factory is manufactured, it is connected to the fiber connector. Another way to achieve this is to connect the electronic tag to the connector on both ends of the fiber through external connection. As shown in FIG. 18, the method in this embodiment may include:

S501, the reader sends an inquiry command to two electronic tags of the same fiber.

S502. The two electronic tags of the optical fiber respectively report TID information to the reader, and may be TID1 and TID2.

In this embodiment, if the reader does not receive the TID information reported by the two electronic tags, the reader can continue to issue an inquiry command. If the reader receives the TID information, the subsequent operations can be performed.

S503. The reader/writer respectively sends Req_LedOn to the two electronic tags of the optical fiber, and the Req_LedOn includes TID1 and TID2.

S504, the two electronic tags of the optical fiber respectively receive Req_LedOn sent by the reader/writer, and when it is determined that the TID1 and the TID2 in the Req_LedOn are the same as the TID information of the Req_LedOn, respectively, the light module in the electronic tag is opened according to Req_LedOn.

S505. The two electronic tags of the optical fiber respectively send LED_ON to the reader/writer.

S506. The reader/writer respectively sends a code write command to the two electronic tags of the optical fiber.

S507, the two electronic tags of the optical fiber respectively write UID information in their own coding areas. The UID information in this embodiment is, for example, an optical fiber 1_user code x.

S508. The two electronic tags of the optical fiber respectively send coded feedback information to the reader/writer, where the coded feedback information includes UID information written by the electronic tag.

S509. The reader/writer respectively sends Req_LedOff to the two electronic tags of the optical fiber, and the Req_LedOff includes TID1 and TID2.

S510. The two electronic tags of the optical fiber respectively receive Req_LedOff, and when the TID1 and the TID2 in the Req_LedOff are respectively determined to be the same as the TID information of the optical fiber, respectively, the light module of the electronic tag is closed according to the Req_LedOff.

S511, the two electronic tags of the optical fiber respectively return LED_OFF to the reader/writer.

S512. The reader/writer respectively sends Req_LedOn to the two electronic tags of the optical fiber, and the Req_LedOn includes a UID.

S513. After receiving the Req_LedOn, the two electronic tags of the optical fiber respectively open the light module of the electronic tag according to the UID information in the command.

In this embodiment, since the two electronic tags share the same UID, the light module of the two electronic tags on the optical fiber can be turned on by one UID information.

S514, the two electronic tags of the optical fiber respectively send LED_ON to the reader/writer.

The use of this embodiment is extremely extensive. If each connector in a fiber is inserted into the port on the cabinet A, then the other connector of the fiber can be inserted into the port of the cabinet B, because the cabinet A and the cabinet B are There is a certain distance between the fiber 1 or the fiber 2 can be quickly distinguished from a fiber connector. At this time, the electronic tag can be opened by carrying the UID in the Req_LedOn, so that the fiber connector can be quickly located and found. Then remove it from multiple fibers and insert it into the port corresponding to cabinet B.

It can be noted that the core of the embodiment of the present disclosure may be that the open protocol of the reader/writer and the electronic tag is composed of the custom instruction sets Req_LedOn, Req_LedOff, and Req_LedPare, and the flag information LED_ON and LED_OFF. In addition, the reader can pass the TID or The UID controls the working state of the light module on the electronic tag.

FIG. 19 is a schematic structural diagram of an electronic tag according to an embodiment of the present disclosure. The electronic tag provided in this embodiment may be suitable for searching and positioning a mass object, and the electronic tag may be an electronic tag in a positioning system of the radio frequency identification tag, especially a positioning system of the UHF radio frequency identification tag, the electronic tag. Tags can be implemented in a combination of hardware and software. As shown in FIG. 19, the electronic tag in this embodiment may include: a tag receiving module 11, a tag sending module 12, a processing module 13, and a light module 14.

The tag receiving module 11 is configured to: receive an inquiry command sent by the reader/writer.

The electronic tag provided by the embodiment of the present disclosure is a functional entity for searching and positioning a large number of objects. The reader/writer in this embodiment may be handheld, that is, set for mobility, or the reader/writer may be installed in the standby. Find the target object. Embodiments of the present disclosure can be applied to point-to-point and point-to-multipoint working environments. For example, a suitable RFID technology is UHF-RFID technology, and an optional operating frequency is between 860 MHz and 960 MHz.

The tag sending module 12 is configured to: according to the query command received by the tag receiving module 11, send a feedback message including a tag type to the reader/writer, and the tag type is used to indicate whether the light module 14 is configured in the electronic tag.

The tag receiving module 11 is further configured to: receive a tag operation instruction sent by the reader/writer.

The processing module 13 is configured to: turn on or off the light module 14 in the electronic label according to the label operation instruction received by the label receiving module 11. The tag receiving module 11 in this embodiment may be connected to the tag sending module 12 and the processing module 13, respectively, and the processing module 13 may also be connected to the light module 14.

In this embodiment, the positioning system of the radio frequency identification tag may generally have a plurality of electronic tags, that is, a plurality of electronic tags are disposed correspondingly on the managed object, and the electronic tags disposed on the objects are received and read. When the label operation instruction is sent by the device, the light module 14 in the electronic label can be turned on or off according to the label operation instruction. The tag operation instruction in the embodiment of the present disclosure may include a tag open instruction and a tag close instruction, and the tag operation instruction may be a generalized instruction, and does not restrict which electronic tag in the system is operated, as long as the system receives the The electronic tag of the command, the processing module 13 can turn on or off the light module 14 of the electronic tag according to the tag operation command.

In an implementation, the light module 14 that can be turned on in the embodiment of the present disclosure may be an electronic label, and the light module 14 may be, for example, an LED, that is, a new component LED is added to the passive electronic label because the LED is added. The electronic tag is a new type of tag, so some new flags can be defined in the flag field of the system to indicate the status of the electronic tag, and new instructions and protocols can be customized to operate the controller. In this embodiment, The two customized instructions have been described in the above embodiments, and therefore will not be described herein.

The electronic tag provided by the embodiment of the present disclosure may be configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 1 of the present disclosure, and has a corresponding function module. The implementation principle and technical effects of the function module are similar, and details are not described herein again. .

Optionally, the feedback message sent by the label sending module 12 in this embodiment may further include TID information of the electronic label, and the label operation instruction received by the label receiving module 11 may include TID information, where the TID information is a reader/writer indication. The TID information corresponding to the electronic tag that needs to be lit.

Correspondingly, in the embodiment, the processing module 13 performs the processing in the following manner: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, turning on or off the electronic label according to the label operation instruction Light module 14. For the embodiment, the working mode shown in FIG. 3 can also be referred to, and details are not described herein again.

The electronic tag provided by the embodiment of the present disclosure may be a positioning method for performing the radio frequency identification tag provided by the embodiment shown in FIG. 2 of the present disclosure, and has a corresponding function module, and an implementation principle of the function module. Similar to the technical effect, it will not be described here.

Optionally, FIG. 20 is a schematic structural diagram of another electronic tag according to an embodiment of the present disclosure. The electronic tag can be an electronic tag in a positioning system of a radio frequency identification tag, particularly a positioning system of an ultra high frequency radio frequency identification tag. On the basis of the structure of the electronic tag shown in FIG. 19, the tag receiving module 11 of the embodiment may receive a tag open command, and the tag open command may further include an instruction parameter, and the command parameter may include an open time and an open time. The instruction parameter in this embodiment may also be a newly defined protocol content, and the content of the instruction parameter and the meaning of each of the plurality of parameters included in the instruction parameter are already in the above embodiment. Explain, so I won't go into details here.

Correspondingly, the processing module 13 in the embodiment may perform the processing rate in the following manner: when determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, according to the label opening instruction and the instruction parameter, according to the opening time and Turn on the light module 14 in the electronic tag by turning on the mode indicated by the duty cycle of the opening time.

Optionally, the total time of the opening in the embodiment is the total time of the working pulse of the light module 14. Correspondingly, the electronic tag in this embodiment may further include a closing module 15 configured to: close the electronic tag after the total time is turned on. The light module 14 in the middle. The closing module 15 in this embodiment can be connected to the processing module 13 and the light module 14, respectively.

In this embodiment, the lighting mode of the light module 14 is defined by the command parameter in the label opening command, that is, the electronic label can be turned on according to the opening mode indicated by the command parameter. The processing module 13 in this embodiment may be configured to: illuminate its own LED according to the instruction of the instruction parameter, and display an accurate geographical position of the target object, so that the target object can be quickly found by the human eye or the camera. It can be noted that the setting manners of the different parameter values in the instruction parameters and the implementation manner of the opening of the light module 14 and the beneficial effects in the embodiments of the present disclosure have been described in the foregoing embodiments, and thus are not described herein again.

The electronic tag provided by the embodiment of the present disclosure may be configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 4 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar, and details are not described herein again. .

Optionally, in another implementation manner of this embodiment, the label receiving module 11 also receives the label opening instruction. Unlike the embodiment shown in FIG. 20, the label opening instruction does not carry the finger. The parameter, and the tag receiving module 11 in this embodiment, may further be configured to: after receiving the tag open command sent by the reader/writer, receive the radio frequency radiation signal sent by the reader/writer.

Correspondingly, the processing module 13 in the embodiment may perform the processing rate by: when determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, opening the light module in the electronic label according to the label opening instruction. And controlling the opening mode of the light module in the electronic tag according to the state of the radio frequency radiation signal being turned on or off.

The tag receiving module 11 in this embodiment may be further configured to: when not receiving the radio frequency radiation signal sent by the reader/writer, turn off the light module in the electronic tag.

The electronic tag provided by the embodiment of the present disclosure may be configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 6 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar, and details are not described herein again. .

In a possible implementation manner of the embodiment of the present disclosure, the label operation instruction received by the label receiving module 11 may be a label opening instruction, and the label receiving module 11 of each electronic label in the system may also be configured to: receive and read Before the tag operation instruction sent by the writer, the tag closing instruction sent by the reader/writer is received; correspondingly, the processing module 13 of each electronic tag in the system may be further configured to: close the book according to the tag closing instruction received by the tag receiving module 11. Light module 14 in the electronic tag.

Optionally, in the electronic tag provided by each embodiment of the foregoing one or more embodiments, the tag sending module 12 may further be configured to: when the processing module 13 turns on or off the electronic tag according to the label operation instruction. After the lighting module, the corresponding operation flag information is sent to the reader/writer, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

The operation flag information in this embodiment may include the opening flag information or the closing flag information. Alternatively, if the tag receiving module 11 receives the tag opening command, the processing module 13 may open the light module of the electronic tag according to the label opening instruction. The flag information sent by the label sending module 12 may be the opening flag information; if the label receiving module 11 receives the label closing instruction, the processing module 13 may close the light module of the electronic label according to the label closing instruction, and the label information sent by the label sending module 12 The flag information may be closed. The two customized flag states have been described in the foregoing embodiment, and thus are not described herein again.

Optionally, the electronic label provided by each embodiment of the one or more embodiments of the present disclosure may further include a write operation module 16, and the label receiving module 11 in this embodiment may further be configured to: After the processing module 13 turns on the light module 14 in the electronic label according to the label operation instruction, it receives the code write command sent by the reader/writer; the write operation module can be set to: according to the code write command received by the label receiving module 11 The edit area of the electronic tag is written with the UID information. The tag sending module 12 is further configured to: send the encoded feedback information to the reader/writer, where the encoded feedback information includes the UID information.

The electronic tag provided by the embodiment of the present disclosure may be configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 7 of the present disclosure, and has a corresponding function module. The implementation principle and technical effects of the function module are similar, and details are not described herein again. .

In an implementation, the label receiving module 11 and the label sending module 12 in the embodiment shown in FIG. 19 to FIG. 20 can be implemented by a transceiver of an electronic label, and the light module 14 can be implemented by an LED, and the processing module 13 is turned off. The module 15 and the write operation module 16 can be implemented by a processor of an electronic tag. The processor can be, for example, a central processing unit (CPU) or an application specific integrated circuit (Application Specific Integrated Circuit). Referred to as: ASIC), or one or more integrated circuits that implement embodiments of the present disclosure.

FIG. 21 is a schematic structural diagram of a reader/writer according to an embodiment of the present disclosure. The reader/writer provided in this embodiment may be suitable for searching and positioning a mass object, and the electronic tag may be an electronic tag in a positioning system of the radio frequency identification tag, especially a positioning system of the UHF radio frequency identification tag. The reader can be executed by a reader/writer in the positioning system of the RFID tag. As shown in FIG. 21, the reader/writer in this embodiment may include: a read/write transmitting module 21 and a read/write receiving module 22.

The read/write sending module 21 is configured to: send an inquiry command to the electronic tag.

The read/write receiving module 22 is configured to: receive a feedback message including a label type sent by the electronic label according to the query instruction, where the label type is used to indicate whether the light module is configured in the electronic label; wherein the electronic label is passive electronic label.

The reader/writer provided by the embodiment of the present disclosure may be a functional entity for searching and positioning a large number of objects. The reader/writer in this embodiment may be handheld, that is, set for mobility, or the reader/writer may be installed. On the target object to be searched. Embodiments of the present disclosure can be applied to point-to-point and point-to-multipoint working environments. For example, a suitable RFID technology is UHF-RFID technology, and an optional operating frequency is between 860 MHz and 960 MHz.

The read/write sending module 21 is further configured to: send a label operation instruction, so that the electronic label turns the light module in the electronic label on or off according to the label operation instruction.

The reader/writer provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 8 of the present disclosure, and has a corresponding function module. The implementation principle and technical effects of the function module are similar, and details are not described herein again.

Optionally, in an embodiment of the present disclosure, the feedback message received by the read/write receiving module 22 may further include TID information of the electronic tag, and the tag operation command sent by the read/write sending module 21 may also include a TID. Information, the TID information is a TID information corresponding to the electronic tag that the reader/writer indicates to be lit. Correspondingly, when determining that the TID information in the label operation instruction is the same as the TID information of the current electronic label, the electronic label in the embodiment can turn on or off the light module in the electronic label according to the label operation instruction. For the embodiment, the working mode shown in FIG. 3 can also be referred to, and details are not described herein again.

Optionally, in an embodiment of the present disclosure, the read/write sending module 21 may send a label opening instruction, where the label opening instruction may further include an instruction parameter, where the instruction parameter may include an opening time, a duty ratio of the opening time, and an opening. The total time, the instruction parameter in this embodiment may also be a newly defined protocol content, and the content of the instruction parameter and the meaning of each of the plurality of parameters included in the instruction parameter have been described in the foregoing embodiment, so No longer. Correspondingly, the manner in which the electronic tag turns on the light module in the embodiment may be: when determining that the TID information in the label opening instruction is the same as the TID information of the electronic label, according to the label opening instruction and the instruction parameter, according to the opening time and opening The mode of opening indicated by the duty cycle of time turns on the light module in the electronic tag. The electronic tag in this embodiment can also close the light module in the electronic tag after the total time of opening. It can be noted that the setting manners of the different parameter values in the instruction parameters and the implementation manner of the opening of the light module 14 and the beneficial effects in the embodiments of the present disclosure have been described in the foregoing embodiments, and thus are not described herein again.

Optionally, if the label operation instruction sent by the read/write sending module 21 in the embodiment is a label open instruction, the read/write sending module 21 is further configured to: before the label open instruction, send a label close instruction, so that Each electronic tag in the system turns off the light module in the electronic tag according to the tag close command.

The reader/writer provided by the embodiment of the present disclosure is configured to perform the method for locating the radio frequency identification tag provided by the embodiment shown in FIG. 9 of the present disclosure, and has a corresponding function module. The implementation principle and technical effects of the function module are similar, and details are not described herein again.

Optionally, in another implementation manner of this embodiment, the read/write sending module 21 also sends a label open command. Unlike the foregoing embodiment, the label open command does not carry the command parameter, and the embodiment does not carry the command parameter. The read/write sending module 21 may be further configured to: after transmitting the label opening command, send a radio frequency radiation signal, the radio frequency radiation signal is used to indicate that the electronic label controls the electronic label according to an on or off state of the radio frequency radiation signal. How to turn on the light module.

The read/write transmitting module 21 in this embodiment is further configured to: when the radio frequency radiation signal is not sent, cause the electronic tag to close the light module in the electronic tag.

The reader/writer provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 10 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar, and details are not described herein again. .

Optionally, if the label operation instruction sent by the read/write sending module 21 in the embodiment is a label open instruction, the read/write receiving module 22 is further configured to: after the read/write sending module 21 sends the label operation instruction, receive The operation tag information corresponding to the tag operation instruction sent by the electronic tag, the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.

The operation flag information in this embodiment may include the opening flag information or the closing flag information. Optionally, if the read/write transmitting module 21 sends the label opening instruction, so that the electronic label turns on the light module of the electronic label according to the label opening instruction, The flag information received by the read/write receiving module 22 may be the opening flag information; if the read/write transmitting module 21 sends the label closing command, so that the electronic tag closes the light module of the electronic tag according to the label closing instruction, the read/write receiving module 22 receives the The flag information can be the off flag information. In this embodiment, the operation flag information may also be a newly customized flag state. The two customized flag states have been described in the foregoing embodiment, and thus are not described herein again.

Optionally, in the reader/writer provided by each embodiment of the foregoing one or more embodiments, the read/write sending module 21 is further configured to: after sending the label operation instruction, to the electronic device that turns on the light module The tag sends a code write command, so that the electronic tag writes the user code UID information in the edit area of the electronic tag according to the code write command; correspondingly, the read/write receiving module 22 is further configured to: receive the electronic tag to send The feedback information is encoded, and the encoded feedback information includes UID information.

In this embodiment, if the read/write sending module 21 sends a label open command, the electronic label can perform an operation of turning on the light module, and then the reader can send a code write command to the electronic label of the open light module. The method is to indicate that the electronic tag writes UID information in its own code area, and the UID information may be different from the TID information in the foregoing embodiment, and is not unique identification information, which is written by the user according to the need. Encoding information.

The reader/writer provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 11 of the present disclosure, and has a corresponding function module. The implementation principle and technical effects of the function module are similar, and details are not described herein again. .

In an implementation, the read/write transmitting module 21 and the read/write receiving module 22 in the embodiment shown in FIG. 21 of the present disclosure can be implemented by a transceiver of a reader/writer.

FIG. 22 is a schematic structural diagram of a positioning system of a radio frequency identification tag according to an embodiment of the present disclosure. The system can be a positioning system for UHF RFID tags. The positioning system of the radio frequency identification tag provided in this embodiment can be applied to the positioning and positioning of a large number of objects. The positioning system of the radio frequency identification tag can be implemented by combining hardware and software, and the positioning system of the radio frequency identification tag is The reader/writer 100 may be included, as well as at least one electronic tag 200 respectively coupled to the reader/writer 100. The embodiment shown in Figure 22 shows only one of the electronic tags 200 in the positioning system of the radio frequency identification tag.

The reader/writer 100 in this embodiment may include a read/write sending module 110, and is configured to send an inquiry command to each electronic tag 200 in the system.

Each of the electronic tags 200 may include: a tag receiving module 210 configured to: receive the query command; and the tag sending module 250 is configured to: send a feedback message including a tag type to the reader/writer 100, the tag type is used to indicate Is there a light module in this electronic label? The tag receiving module 210 in this embodiment may be connected to the tag sending module 250.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure may be a functional entity for searching and positioning a large number of objects. The reader/writer 100 in this embodiment may be handheld, that is, set for mobility, or the reading. The writer 100 can be mounted on a target object to be searched for. Embodiments of the present disclosure can be applied to point-to-point and point-to-multipoint working environments. For example, a suitable RFID technology is UHF-RFID technology, and an optional operating frequency is between 860 MHz and 960 MHz. The UHF-RFID passive lighting technology used in the embodiments of the present disclosure adopts the principle of microwave energy transmission, and the experimental distance can reach 3 meters, providing a high application range, and can be applied with point-to-point and point-to-multipoint. .

The read/write sending module 110 can also be configured to: send a label operation instruction.

The tag receiving module 210 may be further configured to: receive a tag operation instruction sent by the read/write sending module 110.

Each electronic tag 200 may further include a processing module 220 configured to turn on or off the light module 230 in the electronic tag 200 according to the tag operation instruction received by the tag receiving module 210. The processing module 220 in this embodiment may be connected to the tag receiving module 210.

In this embodiment, the positioning system of the radio frequency identification tag may generally have a plurality of electronic tags 200, that is, the plurality of electronic tags 200 are disposed one by one on the managed object, and the electronic tags 200 disposed on the objects are received. When the tag operation command sent by the reader/writer 100 is issued, the light module 230 in the electronic tag 200 can be turned on or off according to the tag operation command. The tag operation instruction in the embodiment of the present disclosure may include a tag open instruction and a tag close instruction, and the tag operation instruction may be a generalized instruction, and does not restrict which electronic tag 200 in the system is operated, as long as it is received in the system. The electronic tag 200 of the instruction can turn on or off the light module 230 of the electronic tag 200 according to the tag operation command.

It can be noted that the electronic tag 200 in the embodiment of the present disclosure may be a passive electronic tag, and the electronic tag 200 may be powered by electromagnetic waves emitted by the reader/writer 100 to illuminate the LED 230 thereon. The way the lighting is done with the active RFID tag can be powered by the battery and the way the LED is illuminated can be different.

In an implementation, the light module 230 of the electronic tag 200 may be turned on in the embodiment of the present disclosure. The light module 230 may be connected to the processing module 220. The light module 230 may be, for example, an LED, that is, in the passive electronic tag 200. New component LEDs have been added because of the addition of LEDs The electronic tag 200 is a new type of tag, so some new flags can be defined in the flag field of the system to indicate the status of the electronic tag 200, and new instructions and protocols can be customized to operate the controller. The two custom instructions in the embodiment have been described in the above embodiments, and therefore will not be described herein.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 12 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar. No longer.

Optionally, the feedback message sent by the label sending module 250 in this embodiment further includes the TID information of the electronic label 200, and the label operation instruction sent by the read/write sending module 110 includes TID information, where the TID information is a reader/writer indication. The TID information corresponding to the electronic tag that needs to be lit.

Correspondingly, the processing module 220 in this embodiment may be configured to: when the TID information in the determining label operation instruction is the same as the TID information of the electronic label 200, turn on or off the electronic label 200 according to the label operation instruction. Light module 230. For the embodiment, the working mode shown in FIG. 3 can also be referred to, and details are not described herein again.

It can be noted that the TID information in this embodiment may be unique identification information in the electronic tag 200, that is, each electronic tag 200 is defined by the manufacturer at the time of shipment. In addition, since the positioning system of the radio frequency identification tag is in practical applications, the identified object can generally be massive, so the system can usually have multiple electronic tags 200, but in the point-to-point lighting process, only the target object The judgment result of the electronic tag 200 configured on the same is the same, and then the corresponding tag operation instruction is executed; the judgment result of the electronic tag 200 configured on the other identification object is different. At this time, the other electronic tag 200 can ignore the transmission sent by the reader/writer 100. Label operation instructions, that is, no operation is performed.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 13 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar. No longer.

Optionally, FIG. 23 is a schematic structural diagram of another positioning system of a radio frequency identification tag according to an embodiment of the present disclosure. The system can be a positioning system for UHF RFID tags. On the basis of the example shown in FIG. 22, the label operation instruction sent by the read/write sending module 110 of the embodiment may be a label opening instruction, and the label opening instruction may further include an instruction parameter, and the instruction parameter may be The turn-on time, the duty cycle of the turn-on time, and the turn-on time are included. The turn-on time may indicate the turn-on time of the light module 230 in the electronic tag. The duty cycle of the turn-on time may indicate that the light module 230 is in an on state, and the turn-on time is The command parameter in the present embodiment is also a newly defined protocol content, and the content of the command parameter and the meaning of each of the plurality of parameters included in the command parameter have been described in the above embodiments. I will not repeat them here. Correspondingly, in this embodiment, the processing module 220 is configured to open the corresponding light module 230 in the electronic label 200 according to the label operation instruction, and the processing module 220 may be configured to: according to the label opening instruction and the instruction parameter received by the label receiving module 210. The light module 230 in the electronic tag 200 is turned on according to the opening mode indicated by the duty ratio of the opening time and the opening time.

Optionally, the total time of the opening in the embodiment is the total time of the working pulse of the light module 230. Accordingly, the electronic tag 200 in this embodiment may further include: a closing module respectively connected to the processing module 220 and the light module 230. 240. The shutdown module 240 is configured to turn off the light module 230 in the electronic tag 200 after the total time is turned on. It can be noted that the setting manners of different parameter values in the instruction parameters and the implementation manner of the opening of the light module 230, and the beneficial effects in the embodiments of the present disclosure have been described in the foregoing embodiments, and thus are not described herein again.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 14 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar. No longer.

Optionally, in another implementation manner of this embodiment, the label operation instruction sent by the read/write sending module 110 is also a label opening instruction. Unlike the embodiment shown in FIG. 23, the label opening instruction is not carried. The command parameters, and the read/write transmitting module 110 in this embodiment, may also be configured to: after transmitting the label opening command, send the radio frequency radiation signal.

Correspondingly, the label receiving module 210 may be configured to: receive the radio frequency radiation signal sent by the reader/writer; in the embodiment, the processing module 220 performs the processing rate in the following manner: determining the TID information and the text in the label opening instruction When the TID information of the electronic tag is the same, the light module in the electronic tag is turned on according to the label opening instruction, and the opening mode of the light module in the electronic tag is controlled according to the state of the radio frequency radiation signal being turned on or off.

In addition, the tag receiving module 210 may be further configured to: when not receiving the radio frequency radiation signal sent by the reader/writer, turn off the light module in the electronic tag.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 15 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar. No longer.

In a possible implementation manner of the embodiment of the present disclosure, the read/write sending module 110 in the reader/writer 100 may be further configured to send a label closing instruction before sending the label opening instruction, and the label closing instruction is used. Each of the electronic tags 200 in the indicating system turns off its light module 230. Correspondingly, the tag receiving module 210 of each electronic tag 200 in this embodiment may be further configured to: receive a tag closing instruction; and the processing module 220 of each electronic tag 200 may further be configured to: according to the tag receiving module 210 The received tag close command turns off the light module 230 in the electronic tag 200.

In this embodiment, before the light module 230 of the electronic tag 200 is turned on by the reader/writer 100, a reset operation may be performed to ensure the electronic tag 200 disposed on each of the identification objects in the positioning system of the RFID tag. The state of the light module 230 is turned off. If the electronic tag 200 in the system is currently turned on due to the previous operation before searching for the target object, it is likely to cause an erroneous search and positioning.

FIG. 24 is a schematic structural diagram of still another positioning system of a radio frequency identification tag according to an embodiment of the present disclosure. The system can be a positioning system for UHF RFID tags. On the basis of each of the above embodiments, the reader/writer 100 may further include: a read/write receiving module 120 connected to the tag sending module 250, configured to: receive feedback sent by the tag sending module 250. Message. Fig. 24 is a view showing an example of the structure of the system shown in Fig. 23.

In the foregoing embodiment of the present disclosure, each electronic tag 200 can report the unique identification code, that is, the TID information, to the reader/writer 100, so that the collected TID information and needs are needed for subsequent searching and positioning work. The TID information of the electronic tag 200 configured on the target object is compared, and it can be determined whether the target object to be searched is in the range of the search. If the target object is not in the range, the search can be continued in another set of the identified object. By repeating the above work procedures, the position of the target object can be accurately located by the TID information. In the implementation, when the TID information is reported, the electronic tag 200 can report the tag type at the same time, that is, whether the light module 230 is disposed in the electronic tag 200. If the light module 230 is not disposed in the electronic tag 200, the electronic tag 200 cannot be configured. The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is searched and determined The bit, ie the system provided by this embodiment, is only suitable for searching and locating the electronic tag 200 configured with the light module 230.

It can be noted that the label type in the embodiment can also be used to indicate the type and color of the light module 230 when the light module 230 is configured in the electronic label 200. For example, the type of the light module 230 is LED. The power saving and the opening voltage are small, and the LEDs can also be executed in different colors; alternatively, for different colors of LEDs, a color parameter C can be defined in the label type, and can be configured to be queried only at the reader/writer 100. The electronic tag 200 will only feed back this information when the parameter is used.

Optionally, in the system provided by each of the foregoing one or more embodiments, the label sending module 250 of the electronic label 200 may also be connected to the processing module 220. The label sending module 250 may also be configured to: After the processing module 220 turns on or off the light module 230 in the electronic label 200 according to the label operation instruction, the corresponding operation flag information is sent to the reader/writer 100, and the operation flag information is used to indicate that the electronic label 200 has executed the label operation instruction. Indicated action.

The operation flag information may include the opening flag information or the closing flag information. Alternatively, if the processing module 220 turns on the light module 230, the flag information may be the opening flag information; if the processing module 220 turns off the light module 230, the flag information may be To turn off the flag information. In this embodiment, the operation flag information may also be a newly customized flag state. The two customized flag states have been described in the foregoing embodiment, and thus are not described herein again.

Optionally, in the system provided by each of the foregoing one or more embodiments, the read/write sending module 110 is further configured to: in the processing module 220, turn on the light module in the electronic tag 200 according to the label operation instruction. After the 230, the code write command is sent to the electronic tag 200 that turns on the light module 230. Accordingly, the electronic tag 200 may further include: a write operation module 260 connected to the tag receiving module 210, configured to receive according to the tag receiving module 210. The coded write command to the UID information is written in the edit area of the electronic tag 200; the write operation module 260 can also be configured to be connected to the tag sending module 250, and the tag sending module 250 can also be configured to send to the reader/writer 100. The encoded feedback information includes UID information in the encoded feedback information. In addition, the read/write receiving module 120 may be further configured to: receive the encoded feedback information sent by the label sending module 250.

In this embodiment, the read/write sending module 110 of the reader/writer 100 may send a label opening instruction. Accordingly, the processing module 220 of the electronic label 200 may perform the opening of the light module 230. Operation, then, the read/write sending module 110 can instruct the write operation module 260 of the electronic tag 200 to write in the coding area of the electronic tag 200 by transmitting a code write command to the electronic tag 200 of the open light module 230. The UID information is different from the TID information in the above embodiment in that it is not unique identification information, and is encoded information that the user writes himself according to needs.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 16 of the present disclosure, and has a corresponding function module, and the implementation principle and the technical effect are similar. Narration.

An application scenario of the radio frequency identification tag positioning system provided by the embodiment of the present disclosure is as shown in FIG. 25 , which is a schematic diagram of an application scenario of a radio frequency identification tag positioning system according to an embodiment of the present disclosure. 25 shows only the optical fiber 30, the optical fiber connector 310, and the electronic tag 200. The reader/writer 100 is not shown, and the structure of the reader/writer 100 and the electronic tag 200, the structure of the reader/writer 100 and the electronic tag 200 are shown. The embodiment shown in Figs. 19 to 24 can be referred to.

The optical fiber connector 30 can be disposed on the two ends of the optical fiber 30 in the embodiment. The two electronic labels 200 can be disposed on the two optical fiber connectors 310. The read/write transmission module 110 in this embodiment can also be configured. It is configured to send a label opening instruction to the electronic tag 200 disposed at both ends of the optical fiber 30, and the label opening instruction includes TID information or UID information of the two electronic labels 200.

The tag receiving module in the electronic tag 200 disposed at both ends of the optical fiber 30 may be configured to receive the tag opening command sent by the reader/writer 100 respectively.

The processing module 220 in the electronic tag 200 disposed at both ends of the optical fiber 30 may be configured to: when determining the TID information or the UID information in the tag open command is the same as the information of the electronic tag, respectively, opening the electronic tag according to the label opening instruction Light module 230.

The positioning system of the radio frequency identification tag provided by the embodiment of the present disclosure is configured to perform the positioning method of the radio frequency identification tag provided by the embodiment shown in FIG. 18 of the present disclosure, and has a corresponding function module, and the implementation principle and technical effect of the function module are similar. No longer.

In the implementation, the read/write transmitting module 110 and the read/write receiving module 120 in the embodiment shown in FIG. 22 to FIG. 24 can be implemented by the transceiver of the reader/writer 100, and the label receiving module 210 and the label sending module 250 can be implemented. The light module 230 can be implemented by an LED, and the processing module 220, the shutdown module 240, and the write operation module 260 can be implemented. This is accomplished by a processor of electronic tag 200, which may be, for example, a CPU, or an ASIC, or one or more integrated circuits that implement embodiments of the present disclosure.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be performed by a program to instruct related hardware (e.g., a processor), which may be stored in a computer readable storage medium, such as a read only memory, disk or optical disk. Wait. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, the modules/units in the foregoing embodiments may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement their respective functions, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by the processor/ Instructions to achieve their corresponding functions. Embodiments of the present disclosure may not be limited to any particular form of combination of hardware and software.

Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and functional blocks/units of the methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical The components work together. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on a computer readable medium, which may include computer storage media (or non-transitory media) and communication media (or transitory media). As is well known to those of ordinary skill in the art, the term computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media. Computer storage media include, but are not limited to, Random Access Memory (RAM), Read-Only Memory (ROM), and Electrically Erasable Programmable Read-only Memory (EEPROM). Flash memory or other memory technology, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical disc storage, magnetic cassette, magnetic tape, disk storage or other magnetic storage device, or Used to store the desired information and can be accessed by a computer Any other medium. Moreover, it is well known to those skilled in the art that communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media. .

A person skilled in the art can understand that the technical solutions of the present disclosure may be modified or equivalent, without departing from the spirit and scope of the present disclosure, and should be included in the scope of the claims of the present disclosure.

Industrial applicability

The radio frequency identification tag positioning method, system, electronic tag and reader/writer provided by the embodiment of the present disclosure send a feedback message including a tag type to the reader/writer according to an inquiry command received from the reader/writer through the electronic tag, the tag The type is used to indicate whether the light module is configured in the electronic label, and the electronic label is configured to open or close the light module in the electronic label according to the label operation instruction by receiving the label operation instruction sent by the reader/writer; In the positioning method of the identification tag, the electronic tag can be arranged in a one-to-one correspondence with the identified mass object, and the customized instruction sent by the reader/writer, that is, the tag operation instruction can find the target object and accurately locate the position of the target object. That is, the working mode of the positioning system of the radio frequency identification tag is reasonably designed in this embodiment, so that the system can accurately locate the target object.

Claims

A method for locating a radio frequency identification tag, comprising:

The electronic tag sends a feedback message including a tag type to the reader/writer according to an inquiry command received from the reader/writer, and the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic component The tag is a passive electronic tag;

The electronic tag receives a tag operation instruction sent by the reader/writer;

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction.
The method for locating a radio frequency identification tag according to claim 1, wherein

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information;

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction when determining that the TID information in the label operation instruction is the same as the TID information of the current electronic label.
The method of locating a radio frequency identification tag according to claim 1 or 2, wherein the tag operation instruction comprises a tag open command or a tag close command.
The method for locating a radio frequency identification tag according to claim 1 or 2, wherein

When the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening time, wherein the opening time indicates The opening time of the light module in the electronic tag, wherein the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state;

The electronic tag opens the light module in the electronic tag according to the label operation instruction, including:

The electronic tag according to the label opening instruction and the instruction parameter, according to the opening time and Turning on the light module in the electronic tag according to the opening mode indicated by the duty ratio of the opening time;

The method further includes:

The electronic tag turns off the light module in the electronic tag after the total opening time.
The method for locating a radio frequency identification tag according to claim 1 or 2, wherein

After the label operation instruction is a label opening instruction, and the electronic label receives the label opening instruction sent by the reader/writer, the method further includes:

Receiving, by the electronic tag, a radio frequency radiation signal sent by the reader/writer;

The electronic tag opens the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on the light module in the electronic tag according to the label opening instruction, and controls the opening mode of the light module in the electronic label according to the on or off state of the radio frequency radiation signal;

The method further includes:

The electronic tag turns off the light module in the electronic tag when the radio frequency radiation signal sent by the reader/writer is not received.
The method for locating a radio frequency identification tag according to claim 1 or 2, wherein, before the tag operation command is a tag open command, and the electronic tag receives the tag open command sent by the reader/writer, the method further includes:

Each of the electronic tags in the system receives a tag close command sent by the reader/writer;

Each of the electronic tags in the system turns off the light module in the electronic tag according to the label closing instruction.
The method for locating a radio frequency identification tag according to claim 1 or 2, wherein the tag type is further used to indicate the type and color of the light module when the light module is configured in the electronic tag.
The method for locating a radio frequency identification tag according to claim 1 or 2, after the electronic tag turns on or off the light module in the electronic tag according to the label operation instruction, the method further includes:

The electronic tag sends corresponding operation flag information to the reader/writer, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.
The method for locating a radio frequency identification tag according to claim 8, wherein the operation flag information comprises opening flag information or closing flag information;

If the electronic tag turns on the light module, the flag information is an open flag information;

If the electronic tag closes the light module, the flag information is off flag information.
The method for locating a radio frequency identification tag according to claim 1 or 2, after the electronic tag opens the light module in the electronic tag according to the label operation instruction, the method further includes:

The electronic tag receives a coded write command sent by the reader/writer;

Writing, by the electronic tag, user code UID information in an editing area of the electronic tag according to the code writing instruction;

The electronic tag sends encoded feedback information to the reader/writer, and the encoded feedback information includes the UID information.
A method for locating a radio frequency identification tag, comprising:

The reader sends an inquiry command to the electronic tag;

The reader/writer receives a feedback message including a tag type sent by the electronic tag according to the query instruction, and the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic tag is Source electronic label;

The reader/writer transmits a label operation instruction to cause the electronic label to turn on or off the light module in the electronic label according to the label operation instruction.
The method for locating a radio frequency identification tag according to claim 11, wherein

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; or

The label operation instruction includes a label opening instruction or a label closing instruction; or

The label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; and the tag operation instruction includes a tag opening instruction or a tag closing instruction; or

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; and the tag type is further used to indicate the indicator when the light module is configured in the electronic tag. The type and color of the lighting module; or,

The label operation instruction includes a label opening instruction or a label closing instruction; the label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, the tag operation instruction includes TID information; the tag operation instruction includes a tag opening instruction or a tag closing instruction; and the tag type indicates the electronic When the light module is configured in the tag, it is also used to indicate the type and color of the light module.
The method for locating a radio frequency identification tag according to claim 11 or 12, wherein when the tag operation command is a tag open command, the tag open command further includes an instruction parameter, where the command parameter includes an open time and the open time The duty cycle and the total turn-on time, wherein the turn-on time represents an on-time of the light module in the electronic tag, and the duty cycle of the turn-on time indicates that the turn-on time is in a single pulse cycle when the light module is in an on state proportion.
The method for locating a radio frequency identification tag according to claim 11 or 12, after the tag operation command is a tag open command, and after the reader/writer sends the tag open command, the method further includes:

The reader/writer transmits a radio frequency radiation signal, and the radio frequency radiation signal is used to indicate that the electronic tag controls an opening manner of the light module in the electronic tag according to an on or off state of the radio frequency radiation signal;

The reader/writer causes the electronic tag to close the light module in the electronic tag when the RF radiation signal is not transmitted.
The method for locating a radio frequency identification tag according to claim 11 or 12, wherein the tag operation command is a tag open command, and the reader sends the tag open command before the reader The law also includes:

The reader/writer sends a label close command such that each electronic tag in the system turns off the light module in the electronic tag according to the label close command.
The method for locating a radio frequency identification tag according to claim 11 or 12, after the reader/writer sends the tag operation instruction, the method further includes:

The reader/writer receives operation flag information corresponding to the tag operation instruction sent by the electronic tag, and the operation flag information is used to indicate that the electronic tag has performed an operation indicated by the tag operation instruction.
The method for locating a radio frequency identification tag according to claim 16, wherein the operation flag information comprises opening flag information or closing flag information;

If the label operation instruction sent by the reader/writer is a label opening instruction, the flag information is an opening flag information;

If the tag operation command sent by the reader/writer is a tag close command, the flag information is a close flag information.
The method for locating a radio frequency identification tag according to claim 11 or 12, after the reader/writer sends the tag operation instruction, the method further includes:

The reader/writer sends a code write instruction to the electronic tag that turns on the light module, so that the electronic tag writes the user code UID information in the edit area of the electronic tag according to the code write command;

The reader/writer receives the encoded feedback information sent by the electronic tag, and the encoded feedback information includes the UID information.
A method for locating a radio frequency identification tag, comprising:

The electronic tag sends a feedback message including a tag type to the reader/writer according to an inquiry command received from the reader/writer, and the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic component The tag is a passive electronic tag;

The reader/writer sends a label operation instruction;

The electronic tag receives a tag operation instruction sent by the reader/writer, and operates according to the tag Command to turn the light module in this electronic tag on or off.
The method for locating a radio frequency identification tag according to claim 19, wherein

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information;

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on or off the light module in the electronic tag according to the label operation instruction when determining that the TID information in the label operation instruction is the same as the TID information of the current electronic label.
The method of locating a radio frequency identification tag according to claim 19 or 20, wherein the tag operation instruction comprises a tag open command or a tag close command.
The method for locating a radio frequency identification tag according to claim 19 or 20, wherein

When the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening time, wherein the opening time indicates The opening time of the light module in the electronic tag, wherein the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state;

The electronic tag opens the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on the light module in the electronic tag according to the opening mode indicated by the opening time and the duty ratio of the opening time according to the label opening instruction and the instruction parameter;

The method further includes:

The electronic tag turns off the light module in the electronic tag after the total opening time.
The method for locating a radio frequency identification tag according to claim 19 or 20, wherein

If the tag operation command is a tag open command, and after the reader/writer sends the tag open command, the method further includes:

The reader/writer transmits a radio frequency radiation signal;

Receiving, by the electronic tag, a radio frequency radiation signal sent by the reader/writer;

The electronic tag opens the light module in the electronic tag according to the label operation instruction, including:

The electronic tag turns on the light module in the electronic tag according to the label opening instruction, and controls the opening mode of the light module in the electronic label according to the on or off state of the radio frequency radiation signal;

The electronic tag turns off the light module in the electronic tag when the radio frequency radiation signal sent by the reader/writer is not received.
The method for locating a radio frequency identification tag according to claim 19 or 20, wherein if the tag operation command is a tag open command, and the reader/writer sends the tag open command, the method further includes:

The reader/writer sends a label closing instruction;

Each electronic tag in the system receives the tag close command, and closes the light module in the electronic tag according to the tag close command.
The method for locating a radio frequency identification tag according to claim 19 or 20, wherein the tag type is further used to indicate the type and color of the light module when the light module is configured in the electronic tag.
The method for locating a radio frequency identification tag according to claim 19 or 20, after the electronic tag turns on or off the light module in the electronic tag according to the label operation instruction, the method further includes:

The electronic tag sends corresponding operation flag information to the reader/writer, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.
The method for locating a radio frequency identification tag according to claim 26, wherein the operation flag information comprises opening flag information or closing flag information;

If the electronic tag turns on the light module, the flag information is an open flag information;

If the electronic tag closes the light module, the flag information is off flag information.
The method for locating a radio frequency identification tag according to claim 19 or 20, wherein the electronic After the label opens the light module in the electronic label according to the label operation instruction, the method further includes:

The reader/writer sends a code write command to an electronic tag that turns on the light module;

Writing, by the electronic tag, user code UID information in an editing area of the electronic tag according to the code writing instruction;

The electronic tag sends encoded feedback information to the reader/writer, and the encoded feedback information includes the UID information.
An electronic tag, the electronic tag being a passive electronic tag, the electronic tag comprising:

The tag receiving module is configured to: receive an inquiry command sent by the reader/writer;

The label sending module is configured to: send a feedback message including a label type to the reader/writer according to the query instruction received by the label receiving module, where the label type is used to indicate whether the light module is configured in the electronic label ;

The tag receiving module is further configured to: receive a tag operation instruction sent by the reader/writer;

The processing module is configured to: turn on or off the light module in the electronic label according to the label operation instruction received by the label receiving module.
The electronic tag according to claim 29, wherein

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information;

The processing module is configured to: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, turn on or off the light module in the electronic label according to the label operation instruction.
The electronic tag of claim 29 or 30, wherein the tag operation instruction comprises a tag open command or a tag close command.
The electronic tag according to claim 29 or 30, wherein

When the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening time, wherein the opening time indicates The opening time of the light module in the electronic tag, the opening time The duty ratio indicates the proportion of the on time in a single pulse period when the light module is in an on state;

The processing module is configured to: according to the label opening instruction and the instruction parameter, turn on the light module in the electronic label according to the opening mode indicated by the opening time and the duty ratio of the opening time;

The electronic tag further includes:

The module is turned off, and is set to: close the light module in the electronic label after the total opening time.
The electronic tag according to claim 29 or 30, wherein

If the tag operation command is a tag open command, the tag receiving module is further configured to: after receiving the tag open command sent by the reader/writer, receive the radio frequency radiation signal sent by the reader/writer;

The processing module is configured to: turn on the light module in the electronic label according to the label opening instruction, and control an opening manner of the light module in the electronic label according to an on or off state of the radio frequency radiation signal;

The tag receiving module is further configured to: when the radio frequency radiation signal sent by the reader/writer is not received, turn off the light module in the electronic tag.
The electronic tag according to claim 29 or 30, wherein if the tag operation command is a tag open command, the tag receiving module of each of the electronic tags in the system is further configured to: receive the tag sent by the reader/writer Receiving a label closing instruction sent by the reader/writer before operating the instruction;

The processing module of each of the electronic tags in the system is further configured to: close the light module in the electronic tag according to the tag closing instruction received by the tag receiving module.
The electronic tag according to claim 29 or 30, wherein the tag type is further used to indicate the type and color of the light module when the light module is configured in the electronic tag.
The electronic tag according to claim 29 or 30, wherein the tag sending module is further configured to: after the processing module turns on or off the light module in the electronic tag according to the label operation instruction, to read and write the electronic module The device sends corresponding operation flag information, which is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.
The electronic tag of claim 36, wherein said operation flag information comprises Open flag information or close flag information;

If the processing module turns on the light module, the flag information is an open flag information;

If the processing module turns off the light module, the flag information is off flag information.
The electronic tag according to claim 29 or 30, wherein the tag receiving module is further configured to: after the processing module turns on the light module in the electronic tag according to the label operation instruction, receive the reader to send Coded write instruction;

The electronic tag further includes a write operation module, configured to: write user code UID information in an edit area of the electronic tag according to the code write command received by the tag receiving module;

The tag sending module is further configured to: send the encoded feedback information to the reader/writer, where the encoded feedback information includes the UID information.
A reader/writer, the reader/writer includes:

The read/write sending module is configured to: send an inquiry command to the electronic tag;

a read/write receiving module, configured to: receive a feedback message including a tag type sent by the electronic tag according to the query instruction, where the tag type is used to indicate whether a light module is configured in the electronic tag; wherein the electronic component The tag is a passive electronic tag;

The read/write sending module is further configured to: send a label operation instruction, so that the electronic label turns on or off the light module in the electronic label according to the label operation instruction.
The reader/writer according to claim 39, wherein

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; or

The label operation instruction includes a label opening instruction or a label closing instruction; or

The label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, where the tag operation instruction includes TID information; and the tag operation instruction includes a tag opening instruction or a tag closing instruction; or

The feedback message further includes tag encoding TID information of the electronic tag, and the tag operation The instruction includes TID information; the label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The label operation instruction includes a label opening instruction or a label closing instruction; the label type is further used to indicate the type and color of the light module when the light module is configured in the electronic label; or

The feedback message further includes tag encoding TID information of the electronic tag, the tag operation instruction includes TID information; the tag operation instruction includes a tag opening instruction or a tag closing instruction; and the tag type indicates the electronic When the light module is configured in the tag, it is also used to indicate the type and color of the light module.
The reader/writer according to claim 39 or 40, wherein when the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, and the instruction parameter includes an opening time and a duty of the opening time. The ratio and the total time of opening, wherein the opening time represents an opening time of the light module in the electronic tag, and the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state.
The reader/writer according to claim 39 or 40, wherein the tag operation command is a tag open command, the read/write transmission module is further configured to: after transmitting the tag open command, send a radio frequency radiation signal, The radio frequency radiation signal is used to indicate that the electronic tag controls an opening manner of the light module in the electronic tag according to an on or off state of the radio frequency radiation signal;

The read/write sending module is further configured to: when the radio frequency radiation signal is not sent, cause the electronic tag to close the light module in the electronic tag.
The reader/writer according to claim 39 or 40, wherein the tag operation command is a tag open command, and the read/write send module is further configured to: send a tag close command before transmitting the tag open command, so that Each of the electronic tags in the system turns off the light module in the electronic tag according to the label closing instruction.
The reader/writer according to claim 39 or 40, wherein the read/write receiving module is further configured to: after the read/write transmitting module sends the label operation instruction, receive the label sent by the electronic label The operation instruction corresponding operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.
The reader/writer according to claim 44, wherein the operation flag information comprises an opening flag information or a closing flag information;

If the label operation instruction sent by the read/write sending module is a label opening instruction, the flag information is an opening flag information;

If the label operation instruction sent by the read/write sending module is a label closing instruction, the flag information is a closing flag information.
The reader/writer according to claim 39 or 40, wherein the read/write transmitting module is further configured to: after transmitting the label operation instruction, send a code write instruction to an electronic tag that turns on the light module, so that the The electronic tag writes the user code UID information in the editing area of the electronic tag according to the code writing instruction;

The read/write receiving module is further configured to: receive the encoded feedback information sent by the electronic tag, where the encoded feedback information includes the UID information.
A positioning system for a radio frequency identification tag, comprising: a reader/writer; and at least one electronic tag respectively connected to the reader/writer;

The reader/writer includes a read/write sending module, and is configured to: send an inquiry command to each electronic tag in the system;

Each of the electronic tags includes: a tag receiving module, configured to: receive the query command;

The label sending module is configured to: send, according to the query instruction received by the label receiving module, a feedback message including a label type to the reader/writer, where the label type is used to indicate whether the electronic label is configured with a lighting module; wherein the electronic tag is a passive electronic tag;

The read/write sending module is further configured to: send a label operation instruction;

The tag receiving module is further configured to: receive a tag operation instruction sent by the read/write sending module;

Each of the electronic tags further includes: a processing module, the processing module configured to: turn on or off the light module in the electronic tag according to the tag operation instruction received by the tag receiving module.
A positioning system for a radio frequency identification tag according to claim 47, wherein

The feedback message sent by the label sending module further includes label encoding TID information of the electronic label, and the label operation instruction sent by the read/write sending module includes TID information;

The processing module is configured to: when determining that the TID information in the label operation instruction is the same as the TID information of the electronic label, turn on or off the light module in the electronic label according to the label operation instruction.
A positioning system for a radio frequency identification tag according to claim 47 or 48, wherein said tag operation command comprises a tag open command or a tag close command.
A positioning system for a radio frequency identification tag according to claim 47 or 48, wherein

When the label operation instruction is a label opening instruction, the label opening instruction further includes an instruction parameter, where the instruction parameter includes an opening time, a duty ratio of the opening time, and a total opening time, wherein the opening time indicates The opening time of the light module in the electronic tag, wherein the duty ratio of the opening time indicates a ratio of the opening time in a single pulse period when the light module is in an on state;

The processing module is configured to: according to the label opening instruction and the instruction parameter received by the label receiving module, turn on the light in the electronic label according to the opening mode indicated by the opening time and the duty ratio of the opening time Module

The electronic tag further includes: the closing module, configured to: close the light module in the electronic tag after the total opening time.
A positioning system for a radio frequency identification tag according to claim 47 or 48, wherein

If the label operation instruction is a label opening instruction, the read/write transmission module is further configured to: after transmitting the label opening instruction, send a radio frequency radiation signal;

The tag receiving module is further configured to: receive a radio frequency radiation signal sent by the reader/writer;

The processing module is configured to: turn on the light module in the electronic label according to the label opening instruction, and control an opening manner of the light module in the electronic label according to an on or off state of the radio frequency radiation signal;

The tag receiving module is further configured to: when the radio frequency radiation signal sent by the reader/writer is not received, turn off the light module in the electronic tag.
The positioning system of the radio frequency identification tag according to claim 47 or 48, wherein the label operation instruction is a label opening instruction; and the read/write transmission module is further configured to: send the label to be closed before sending the label opening instruction Instruction

The tag receiving module of each of the electronic tags in the system is further configured to: receive the tag closing instruction;

The processing module of each electronic tag is further configured to: close the light module in the electronic tag according to the label closing instruction received by the label receiving module.
The positioning system of the radio frequency identification tag according to claim 47 or 48, wherein the tag type is further used to indicate the type and color of the light module when the light module is configured in the electronic tag.
The positioning system of the radio frequency identification tag according to claim 47 or 48, wherein the label sending module is further configured to: after the processing module turns on or off the light module in the electronic label according to the label operation instruction, The reader/writer transmits corresponding operation flag information, and the operation flag information is used to indicate that the electronic tag has performed the operation indicated by the tag operation instruction.
The positioning system of the radio frequency identification tag according to claim 54, wherein the operation flag information comprises opening flag information or closing flag information;

If the processing module turns on the light module, the flag information is an open flag information;

If the processing module turns off the light module, the flag information is off flag information.
The radio frequency identification tag positioning system according to claim 47 or 48, wherein the read/write transmitting module is further configured to: after the processing module turns on the light module in the electronic tag according to the label operation instruction, The electronic tag of the lighting module sends a coded write command;

The electronic tag further includes a write operation module, configured to: write user code UID information in an edit area of the electronic tag according to the code write command received by the tag receiving module;

The tag sending module is further configured to: send the encoded feedback information to the reader/writer, where the encoded feedback information includes the UID information.