CN114692658A - Radio frequency identification information reading method and device and mobile device - Google Patents

Radio frequency identification information reading method and device and mobile device Download PDF

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Publication number
CN114692658A
CN114692658A CN202011630255.8A CN202011630255A CN114692658A CN 114692658 A CN114692658 A CN 114692658A CN 202011630255 A CN202011630255 A CN 202011630255A CN 114692658 A CN114692658 A CN 114692658A
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antenna
reading
maximum
data set
maximum signal
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吴德伦
陈宗
颜力
任磊
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Cainiao Smart Logistics Holding Ltd
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Cainiao Smart Logistics Holding Ltd
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Priority to CN202011630255.8A priority Critical patent/CN114692658A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10356—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10792—Special measures in relation to the object to be scanned

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  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
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  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

The invention discloses a radio frequency identification information reading method, a radio frequency identification information reading device and a mobile device. Wherein, the method comprises the following steps: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal strength value of the inner side antenna and the maximum signal strength value of the outer side antenna meet a preset rule or not; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object. The invention solves the technical problem that the label information identification is inaccurate due to the fact that the radio frequency identification in the prior art is subjected to serial reading.

Description

Radio frequency identification information reading method and device and mobile device
Technical Field
The invention relates to the field of logistics, in particular to a radio frequency identification information reading method, a radio frequency identification information reading device and a mobile device.
Background
When commodity circulation parcel or goods are discerned, bar code identification or visual identification are subject to the stadia, and its limitation more and more shows in parcel information identification: the bar code must be within the line of sight of the equipment, with a small number of packages per treatment, and therefore does not respond well to the increasing handling of packages. Radio Frequency Identification (RFID) is a non-line-of-sight automatic identification technology, and has been receiving more and more attention in the goods circulation links such as warehousing and logistics in recent years.
Pallets are used as the mobile unit for most goods or packages during handling or hand-off. In order to identify the goods or packages on the pallet, the identification method using the bar code or the two-dimensional code must make the identification code of the goods toward the outer side of the pallet, thereby causing that the small-sized packages or irregular packages cannot fully utilize the pallet space (i.e. hollow pallet stacking). The orientation of the identification code is not specified, the packaging and stacking flexibility is increased, the utilization rate of the tray is greatly improved, and the radio frequency identification is a few identification modes at the moment. For example, one of the most common scenarios: the mobile device pushes a pallet of goods through the access door, each piece of goods is pasted with a radio frequency identification tag, and when the mobile device passes through the access door with the radio frequency identification reader-writer and the antenna, all tags on the mobile device can be rapidly, automatically and accurately read. In fact, the practical application is far from ideal, and during the process that the mobile device passes through the access door, due to the effects of reflection, refraction and the like of the radiation electromagnetic field of the antenna of the reader-writer, the radio frequency identification tag outside the cart is read in error, and the phenomenon is called serial reading. Many times the tags read in series can be even several meters away from the running gear.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a radio frequency identification information reading method, a radio frequency identification information reading device and a mobile device, and at least solves the technical problem that label information identification is inaccurate due to serial reading of radio frequency identification in the prior art.
According to an aspect of the embodiments of the present invention, there is provided a radio frequency identification information reading method applied to a mobile device, where the mobile device includes a mobile device body, and an inner antenna disposed on a side close to a measured object and an outer antenna disposed on a side far from the measured object; the method comprises the following steps: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna meet preset rules or not; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
Optionally, after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna of the tag when the determination is yes, the method further includes: and when the judgment result is no, marking the detected object corresponding to the label information as the first type of detected object.
Optionally, the first type of object to be measured is an object to be measured on the bearing device.
Optionally, before the obtaining the tag information when the stop condition is not satisfied, the method further includes: an inner antenna data set and an outer antenna data set are established.
Optionally, the establishing an inner antenna data set and an outer antenna data set includes: reading the tag data; judging whether the antenna reading the tag data is an inner antenna; when the judgment result is yes, storing the tag data into an inner antenna data set; when the judgment result is no, storing the tag data into an outer antenna data set; and when the reading is not finished, calculating the maximum signal intensity value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set.
Optionally, the establishing an inner antenna data set and an outer antenna data set further includes: upon completion of the reading, the task ends.
Optionally, after determining whether the maximum number of reads is greater than a stable number of reads, the method further includes: and when the judgment result is no, marking the label information as an interference label.
Optionally, the determining whether the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna meet a preset rule includes: and judging whether the difference between the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna is larger than a specified value or not.
According to another aspect of the embodiments of the present invention, there is also provided a radio frequency identification information reading apparatus, applied to a mobile apparatus, where the mobile apparatus includes a mobile apparatus body, and an inner antenna disposed on a side close to an object to be measured and an outer antenna disposed on a side far from the object to be measured; the device comprises: the first acquisition module is used for acquiring the label information when the stop condition is not met; the first judging module is used for judging whether the tag information exists in the outer antenna data set or not; the second obtaining module is used for obtaining the maximum signal strength value of the antenna at the inner side and the maximum signal strength value of the antenna at the outer side of the label when the judgment result is yes; the second judgment module is used for judging whether the maximum signal intensity value of the inner side antenna and the maximum signal intensity value of the outer side antenna meet a preset rule or not; a third obtaining module, configured to, if the determination is yes, obtain a maximum number of times of reading of an inner antenna corresponding to the tag information; the third judging module is used for judging whether the maximum reading times are larger than the stable reading times or not; and the marking module is used for marking the detected object corresponding to the label information as the first type of detected object when the judgment result is yes.
Optionally, the apparatus further comprises: and the marking module is also used for marking the detected object corresponding to the label information as the first type of detected object when the judgment result is no.
Optionally, the first type of object to be measured is an object to be measured on the bearing device.
Optionally, the apparatus further comprises: the establishing module is used for establishing an inner antenna data set and an outer antenna data set.
Optionally, the establishing module includes: a reading unit for reading tag data; a judging unit configured to judge whether the antenna that reads the tag data is an inside antenna; a first storage unit configured to store the tag data to an inner antenna data set when judged yes; a second storage unit configured to store the tag data in an outer antenna data set when the determination is negative; and the calculating unit is used for calculating the maximum signal strength value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set when reading is not finished.
Optionally, the establishing module further includes: and the ending unit is used for ending the task when the reading is finished.
Optionally, the apparatus further comprises: and the marking module is also used for marking the label information as an interference label when the judgment is negative.
Optionally, the second determining module includes: and judging whether the difference between the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna is larger than a specified value or not.
According to another aspect of the embodiments of the present invention, there is also provided a mobile device, including a mobile device body, and an inner antenna disposed on a side close to a measured object and an outer antenna disposed on a side far from the measured object; the inner antenna sends an inner antenna signal to the processing device when reading the label information, and the outer antenna sends an outer antenna signal to the processing device; the processing device receives a plurality of inner side antenna signals and determines a maximum inner side antenna signal value, and receives a plurality of outer side antenna signals and determines a maximum outer side antenna signal value; the processing device is used for executing the following operations: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
According to another aspect of the embodiments of the present invention, there is also provided a computer program product including instructions that, when run on a computer, cause the computer to perform a radio frequency identification information reading method.
According to another aspect of the embodiments of the present invention, there is also provided a non-volatile storage medium, which includes a stored program, wherein the program controls a device in which the non-volatile storage medium is located to execute a radio frequency identification information reading method when running.
According to another aspect of the embodiments of the present invention, there is also provided an electronic apparatus, including a processor and a memory; the memory is stored with computer readable instructions, and the processor is used for executing the computer readable instructions, wherein the computer readable instructions execute a radio frequency identification information reading method when running.
According to another aspect of the embodiments of the present invention, there is also provided a fixing device, including a fixing device body, and an inner antenna disposed on a side close to a measured object and an outer antenna disposed on a side far from the measured object; the inner antenna sends an inner antenna signal to the processing device when reading the label information, and the outer antenna sends an outer antenna signal to the processing device; the processing device receives a plurality of inner side antenna signals and determines a maximum inner side antenna signal value, and receives a plurality of outer side antenna signals and determines a maximum outer side antenna signal value;
the processing device is used for executing the following operations: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
Optionally, after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna corresponding to the tag information when the tag information is determined to exist, the operations further include: and when the label information does not exist, marking the detected object corresponding to the label information as a first type of detected object.
Optionally, the first type of object to be measured is an object to be measured on a bearing device, and the bearing device can rotate around its own axis.
In the embodiment of the invention, the execution main body adopts the following mode: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna meet preset rules or not; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; when the label information is judged to be the first type of measured object, the measured object corresponding to the label information is marked, and the technical problem that label information identification is inaccurate due to serial reading in radio frequency identification in the prior art is solved.
The radio frequency identification information reading method, the radio frequency identification information reading device and the mobile device provided by the embodiment of the invention use the mobile device to accurately read the radio frequency identification tag in a way of rotating a circle around the carrying device of the logistics object. The strength of a reflected signal of a label read by an antenna facing one side of the tray is obviously better than the physical characteristic of the antenna facing the other side in the process of rotating around the carrying device, so that the label on the tray and the label outside the tray are distinguished. During the period, the difference of the reflected signal strength of the reading label of the inner antenna and the outer antenna can be further optimized by using metal structure isolation or special antenna design.
In the process that the whole mobile device rotates for one circle, the radio frequency identification reader-writer can read a large amount of radio frequency identification tag data, and the data contains the radio frequency identification tags of goods stacked on the tray and also contains the interference tags outside the tray. In an optional embodiment, the problem of cross-reading is solved by an internal and external separation algorithm and by using the physical characteristics of internal and external antennas to distinguish the tags on the bearing device from the tags interfering around.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a method for reading rfid information according to an embodiment of the present invention;
fig. 2 is a block diagram of an rfid information reading apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a mobile device according to an embodiment of the invention;
fig. 4 is a flow chart of an inside-outside separation algorithm according to an embodiment of the present invention.
Two sides
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided a radio frequency identification information reading method, it should be noted that the steps shown in the flowchart of the figure may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that here.
Example one
Fig. 1 is a flowchart of a method for reading rfid information according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, when the stop condition is not satisfied, the label information is acquired.
Specifically, in the embodiment of the present invention, it is necessary to determine whether the radio frequency tag is inside or outside the shift or the tray according to the movement of the logistics trolley, so when the operation of the embodiment of the present invention is not stopped, tag information needs to be obtained first, where the tag information may be a radio frequency identification radio frequency identifier on a logistics package, the radio frequency identification radio frequency identifier continuously transmits a radio frequency signal and a radio frequency reflection signal, a reflection signal is formed at a receiving radio frequency identification receiving antenna, and whether the inner antenna and the outer antenna correctly identify the corresponding radio frequency identification tag is determined according to the strength of the reflection signal.
Optionally, before the obtaining the tag information when the stop condition is not satisfied, the method further includes: an inner antenna data set and an outer antenna data set are established.
Specifically, in order to obtain rfid tag information with different reading times and reflected signal strengths through the inner and outer antenna devices, an inner antenna data set and an outer antenna data set need to be pre-established, where the inner antenna data set may be a partition in a memory and is specially used for storing rfid tag information identification contents occurring on the inner antenna, such as how many reading times are, how much reflected signal strength is, and the like. The outer antenna data set may be another partition in the memory, and is distinguished and independent from the inner antenna storage partition, and is specifically used for storing the rfid tag information identification content occurring on the outer antenna, such as the number of reading times, the strength of the reflected signal, and the like, the inner antenna data set and the outer antenna data set storage area in the memory are not interfered with each other, and each independently stores the data variation occurring on the inner antenna and the outer antenna.
Optionally, the establishing an inner antenna data set and an outer antenna data set includes: reading the tag data; judging whether the antenna reading the tag data is an inner antenna; when the judgment result is yes, storing the tag data into an inner antenna data set; when the judgment result is no, storing the tag data into an outer antenna data set; and when the reading is not finished, calculating the maximum signal intensity value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set.
Specifically, establishing the inner antenna data set and the outer antenna data set can judge whether the inner antenna is the outer antenna by judging the tag data of the radio frequency identification tag information, so as to further distinguish which radio frequency identification tag information belongs to the tag data of the inner antenna, which radio frequency identification tag information belongs to the tag data of the outer antenna, and simultaneously, when reading the inner tag data and the outer tag data, calculate the maximum signal intensity value and the reading times corresponding to the tag data in the current inner antenna data set and the current outer antenna data set.
It should be noted that, the received rf signal strength of the rfid tags is different (mainly because the logistics mobile device is moving for rfid) in both the inner antenna data set and the outer antenna data set, so after calculating the signal strength value of each rfid tag, the processor needs to perform signal strength sorting through a sorting algorithm, so as to effectively lock and output the maximum signal strength value in the inner or outer antenna data set, and further cooperate with the reading times to facilitate subsequent analysis.
Optionally, the establishing an inner antenna data set and an outer antenna data set further includes: upon completion of the reading, the task ends.
Specifically, after the inner and outer antenna data sets are established, the reading and calculating tasks can be finished only by the node which needs to enter the finishing task, so as to perform subsequent judgment and identification.
Step S104, judging whether the label information exists in the outer antenna data set.
Specifically, since the outer antenna data set is located outside the logistics mobile device, if the radio frequency identification tag information exists in the outer antenna data set, the outer antenna data set needs to be determined and processed according to whether the radio frequency identification tag information exists. The processor will send a polling request signal to the inner antenna controller and the outer antenna controller to gather whether tag information is present in the outer antenna data set.
And step S106, when the judgment result is yes, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag.
Specifically, when the rfid tag information is collected or identified by both the outside antenna data set and the inside antenna data set, in order to determine the correct tag information required by the user when determining which tag information is required by the user through the maximum signal strength value, and which tag information is the interference tag information that is not required by the user, a comparison and collection module of the processor is required to collect the maximum signal strength values of the tags for the outside antenna data set and the inside antenna data set, and then the maximum signal strength values collected in the inside and outside antenna data sets are compared.
Optionally, after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna of the tag when the determination is yes, the method further includes: and when the judgment result is no, marking the detected object corresponding to the label information as the first type of detected object.
Specifically, if no rfid tag information exists in the outer antenna data set, that is, the antenna installed outside the logistics moving device cannot identify any rfid tag information, it indicates that all rfid tag information is identified by the inner antenna, and since the logistics moving device performs a turning movement around the logistics package with the rfid tag information, it can be determined that the tag information identified in the inner antenna data set is the first type of object to be detected, that is, the object to be detected required by the user.
Optionally, the first type of object to be measured is an object to be measured on the bearing device.
Specifically, the first type of object to be measured is an object to be measured, which is identified by the logistics moving device required by the user, and may be an object to be measured located on the carrying device, that is, a logistics package on the tray. Or any user-defined item or logo.
Step S108, determining whether the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna satisfy a preset rule.
Specifically, when the processor obtains the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna, calculation and comparison are performed according to the two maximum signal intensity values, so that the maximum signal intensity values are compared to identify which pieces of rfid tag information belong to the interference tag information and which pieces of rfid tag information belong to the tag information of the first type of object to be tested.
Optionally, the determining whether the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna meet a preset rule includes: and judging whether the difference between the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna is larger than a specified value or not.
Specifically, in order to further determine the difference between the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna to identify the interference tag information and the first type of tag information to be tested, it is necessary to determine how much the maximum signal strength of the inner antenna is stronger than the maximum signal strength of the outer antenna, that is, whether the maximum signal strength of the inner antenna is greater than the maximum signal strength of the outer antenna by a predetermined value, so as to determine which tag information is the interference tag information that can be rejected. The designation may be an error coefficient, for example, the maximum signal strength value of the inner antenna is a, the maximum signal strength value of the outer antenna is b, and the error coefficient is r, so that when a-b > r, it can be seen that the signal strength of b is far less than a, and then it can be determined whether b is an interference tag or not and whether a is a tag of the first type of object to be detected through subsequent reading times.
Step S110, when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information
Specifically, when the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna meet the preset rule, it is further required to determine whether the tag information is interference tag information by the maximum reading frequency of the inner antenna of which the inner side of the tag information is closest to the object to be measured.
Step S112, determining whether the maximum reading frequency is greater than the stable reading frequency.
Specifically, the number of times of the inner antenna for identifying the first type of radio frequency to be detected is far greater than the number of times of reading the information of the interference tag, so that whether the maximum number of times of reading the information of the tag by the inner antenna is greater than one stable reading number or not is judged, and a result of whether the tag is the interference tag or not can be obtained.
Optionally, after determining whether the maximum number of reads is greater than a stable number of reads, the method further includes: and when the judgment result is no, marking the label information as an interference label.
Step S114, when the judgment result is yes, the detected object corresponding to the label information is marked as a first type detected object
Specifically, when the maximum reading times of the inner antenna of the tag information is smaller than the stable reading times, it is indicated that the radio frequency identification measured object in which the tag information is located is not within the circular track traveled by the logistics moving device, that is, not within the range of the first type of measured object, whereas when the maximum reading times of the inner antenna is larger than the stable reading times, it is indicated that the radio frequency identification measured object in which the tag information is located is within the circular track traveled by the logistics moving device, that is, within the range of the first type of measured object.
Fig. 4 is a flowchart of an inside-outside separation algorithm according to an embodiment of the present invention, and it can be seen from fig. 4 that the process of determining the tag information by the maximum signal strength and the maximum reading frequency of the inside antenna and the outside antenna is performed, where RSSI is the strength of the reflected signal, insideMax and outidemax respectively represent the maximum signal strengths of the inside antenna and the outside antenna, and the stable reading frequency may be 5, which is the stable reading frequency of the embodiment of the present invention.
In the radio frequency identification method provided by the embodiment of the invention, the radio frequency identification tag is accurately read in a way that the mobile device rotates one circle around the carrying device of the logistics object. The strength of a reflected signal of a label read by an antenna facing one side of the tray is obviously better than the physical characteristic of the antenna facing the other side in the process of rotating around the carrying device, so that the label on the tray and the label outside the tray are distinguished. During the period, the difference of the reflected signal strength of the reading label of the inner antenna and the outer antenna can be further optimized by using metal structure isolation or special antenna design.
In the process that the whole mobile device rotates for one circle, the radio frequency identification reader-writer can read a large amount of radio frequency identification tag data, and the data not only contains the radio frequency identification tags of goods stacked on the tray, but also contains the interference tags outside the tray. In an alternative embodiment, the problem of cross-reading is solved by an internal and external separation algorithm and by using the physical characteristics of internal and external antennas to distinguish tags on the carrying device from tags interfering around.
Through the embodiment, the technical problem that label information identification is inaccurate due to serial reading of radio frequency identification in the prior art is solved.
Example two
Fig. 2 is a block diagram of an rfid information reading apparatus according to an embodiment of the present invention, as shown in fig. 2, the apparatus including:
the first obtaining module 20 is configured to obtain the tag information when the stop condition is not satisfied.
Specifically, in the embodiment of the present invention, it is necessary to determine whether the radio frequency tag is inside the duty or outside the tray according to the movement of the logistics trolley, and therefore when the operation of stopping the execution of the embodiment of the present invention is not satisfied, tag information needs to be obtained first, where the tag information may be a radio frequency identification radio frequency identifier on a logistics package, the radio frequency identification radio frequency identifier continuously emits a radio frequency signal and a radio frequency reflection signal, a reflection signal is formed at a reception radio frequency identification receiving antenna, and whether the corresponding radio frequency identification tag is correctly identified by an inner antenna and an outer antenna is determined according to the strength of the reflection signal.
Optionally, the apparatus further comprises: the establishing module is used for establishing an inner antenna data set and an outer antenna data set.
Specifically, in order to obtain rfid tag information with different reading times and reflected signal strengths through the inner and outer antenna devices, an inner antenna data set and an outer antenna data set need to be pre-established, where the inner antenna data set may be a partition in a memory and is specially used for storing rfid tag information identification contents occurring on the inner antenna, such as how many reading times are, how much reflected signal strength is, and the like. The outer antenna data set may be another partition in the memory, and is distinguished and independent from the inner antenna storage partition, and is specifically used for storing the rfid tag information identification content occurring on the outer antenna, such as the number of reading times, the strength of the reflected signal, and the like, the inner antenna data set and the outer antenna data set storage area in the memory are not interfered with each other, and each independently stores the data variation occurring on the inner antenna and the outer antenna.
Optionally, the establishing module includes: a reading unit for reading the tag data; a judging unit configured to judge whether the antenna that reads the tag data is an inside antenna; a first storage unit configured to store the tag data to an inner antenna data set when judged yes; a second storage unit configured to store the tag data in an outer antenna data set when the determination is negative; and the calculating unit is used for calculating the maximum signal strength value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set when reading is not finished.
Specifically, the establishment of the inner antenna data set and the outer antenna data set can determine whether the inner antenna data set is the inner antenna data set by determining the tag data of the rfid tag information, so as to further distinguish which rfid tag information belongs to the tag data of the inner antenna, which rfid tag information belongs to the tag data of the outer antenna, and simultaneously, when the inner and outer tag data sets are read, calculate the maximum signal strength value and the reading frequency corresponding to the tag data in the current inner antenna data set and the current outer antenna data set.
It should be noted that, no matter the inner antenna data set or the outer antenna data set, the received rf signal strengths of the rfid tags are different (mainly because the logistics mobile device is moving for rfid), so after calculating the signal strength value of each rfid tag, the processor needs to perform signal strength sorting through a sorting algorithm, so as to effectively lock and output the maximum signal strength value in the inner or outer antenna data set, and further match the reading times for subsequent analysis.
Optionally, the establishing module further includes: and the ending unit is used for ending the task when the reading is finished.
Specifically, after the inner and outer antenna data sets are established, the reading and calculating tasks can be finished only by the node which needs to enter the finishing task, so as to perform subsequent judgment and identification.
The first determining module 21 is configured to determine whether the tag information exists in the outer antenna data set.
Specifically, since the outer antenna data set is located outside the logistics mobile device, if the radio frequency identification tag information exists in the outer antenna data set, the outer antenna data set needs to be determined and processed according to whether the radio frequency identification tag information exists. The processor will send a polling request signal to the inner antenna controller and the outer antenna controller to gather whether tag information is present in the outer antenna data set.
And a second obtaining module 22, configured to obtain the maximum signal strength value of the inside antenna and the maximum signal strength value of the outside antenna of the tag when the determination result is yes.
Specifically, when the rfid tag information is collected or identified by both the outside antenna data set and the inside antenna data set, in order to determine the correct tag information required by the user when determining which tag information is required by the user through the maximum signal strength value, and which tag information is the interference tag information that is not required by the user, a comparison and collection module of the processor is required to collect the maximum signal strength values of the tags for the outside antenna data set and the inside antenna data set, and then the maximum signal strength values collected in the inside and outside antenna data sets are compared.
Optionally, the apparatus further comprises: and the marking module is also used for marking the detected object corresponding to the label information as the first type of detected object when the judgment result is no.
Specifically, if no rfid tag information exists in the outer antenna data set, that is, the antenna installed outside the logistics moving device cannot identify any rfid tag information, it indicates that all rfid tag information is identified by the inner antenna, and since the logistics moving device performs a turning movement around the logistics package with the rfid tag information, it can be determined that the tag information identified in the inner antenna data set is the first type of object to be detected, that is, the object to be detected required by the user.
Optionally, the first type of object to be measured is an object to be measured on the bearing device.
Specifically, the first type of object to be measured is an object to be measured, which is identified by the logistics moving device required by the user, and the first type of object to be measured may be an object to be measured, which is located on the carrying device, that is, a logistics package on the tray. Or any user-defined item or logo.
And the second judging module 23 is configured to judge whether the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna meet a preset rule.
Specifically, when the processor obtains the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna, calculation and comparison are performed according to the two maximum signal intensity values, so that the maximum signal intensity values are compared to identify which pieces of rfid tag information belong to the interference tag information and which pieces of rfid tag information belong to the tag information of the first type of object to be tested.
Optionally, the second determining module includes: and judging whether the difference between the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna is larger than a specified value or not.
Specifically, in order to further determine the difference between the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna to identify the interference tag information and the first type of tag information to be tested, it is necessary to determine how much the maximum signal strength of the inner antenna is stronger than the maximum signal strength of the outer antenna, that is, whether the maximum signal strength of the inner antenna is greater than the maximum signal strength of the outer antenna by a predetermined value, so as to determine which tag information is the interference tag information that can be rejected. The designation may be an error coefficient, for example, the maximum signal strength value of the inner antenna is a, the maximum signal strength value of the outer antenna is b, and the error coefficient is r, so that when a-b > r, it can be seen that the signal strength of b is far less than a, and then it can be determined whether b is an interference tag or not and whether a is a tag of the first type of object to be detected through subsequent reading times.
A third obtaining module 24, configured to, when the determination result is yes, obtain a maximum reading frequency of the inner antenna corresponding to the tag information
Specifically, when the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna satisfy the preset rule, it is further required to determine whether the tag information is the interference tag information by the maximum reading frequency of the inner antenna, whose inner side is closest to the object to be measured, of the tag information.
A third determining module 25, configured to determine whether the maximum reading time is greater than a stable reading time.
Specifically, because the number of times of the inner antenna for identifying the first type of detected radio frequency is far greater than the number of times of reading the information of the interference tag, whether the maximum number of times of reading the information of the tag by the inner antenna is greater than a stable number of times or not is judged, and a result of whether the information of the interference tag is obtained or not can be obtained.
Optionally, the apparatus further comprises: and the marking module is also used for marking the label information as an interference label when the judgment is negative.
A marking module 26, configured to mark the detected object corresponding to the tag information as a first type of detected object when the determination result is yes
Specifically, when the maximum reading times of the inner antenna of the tag information is smaller than the stable reading times, it is indicated that the radio frequency identification measured object in which the tag information is located is not within the circular track traveled by the logistics moving device, that is, not within the range of the first type of measured object, whereas when the maximum reading times of the inner antenna is larger than the stable reading times, it is indicated that the radio frequency identification measured object in which the tag information is located is within the circular track traveled by the logistics moving device, that is, within the range of the first type of measured object.
Fig. 4 is a flowchart of an inside-outside separation algorithm according to an embodiment of the present invention, and it can be seen from fig. 4 that the process of determining the tag information by the maximum signal strength and the maximum reading frequency of the inside antenna and the outside antenna is performed, where RSSI is the strength of the reflected signal, insideMax and outidemax respectively represent the maximum signal strengths of the inside antenna and the outside antenna, and the stable reading frequency may be 5, which is the stable reading frequency of the embodiment of the present invention.
In the radio frequency identification method provided by the embodiment of the invention, the radio frequency identification tag is accurately read in a way that the mobile device rotates one circle around the carrying device of the logistics object. The strength of a reflected signal of a label read by an antenna facing one side of the tray is obviously better than the physical characteristic of the antenna facing the other side in the process of rotating around the carrying device, so that the label on the tray and the label outside the tray are distinguished. During the period, the difference of the reflected signal strength of the reading label of the inner antenna and the outer antenna can be further optimized by using metal structure isolation or special antenna design.
In the process that the whole mobile device rotates for one circle, the radio frequency identification reader-writer can read a large amount of radio frequency identification tag data, and the data contains the radio frequency identification tags of goods stacked on the tray and also contains the interference tags outside the tray. In an alternative embodiment, the problem of cross-reading is solved by an internal and external separation algorithm and by using the physical characteristics of internal and external antennas to distinguish tags on the carrying device from tags interfering around.
Through the embodiment, the technical problem that label information identification is inaccurate due to serial reading of radio frequency identification in the prior art is solved.
EXAMPLE III
Fig. 3 is a schematic diagram of a mobile device according to an embodiment of the present invention, and as shown in fig. 3, the inventory dolly mainly includes a mobile device 1, a radio frequency identification reader/writer 2, and inner and outer antennas 3.
The embodiment of the invention changes the traditional access door scheme, and the radio frequency identification tag is accurately read in a mode that the trolley rotates around the tray for one circle. The physical characteristics that the RSSI of the tag read by the antenna towards one side of the tray is obviously better than that of the antenna at the other side in the process of rotating are utilized, so that the tag on the tray and the tag outside the tray are distinguished. In the period, the RSSI difference of the tag read by the inner antenna and the outer antenna can be further optimized by using metal structure isolation or special antenna design. In the process that the whole cart rotates for one circle, the radio frequency identification reader-writer can read a large amount of radio frequency identification tag data, and the data contains the radio frequency identification tags of goods stacked on the pallet and also contains the interference tags outside the pallet. The embodiment of the application provides an internal and external separation algorithm, and the physical characteristics of internal and external antennas are utilized to distinguish the label on the tray from the label interfered on the periphery, so that the problem of serial reading is solved.
It should be noted that although fig. 3 and the related description are illustrated by taking the example of the moving device rotating around the carrying device, the present invention is not limited in particular, the moving device may be replaced by a fixed device, and the fixed carrying device in the foregoing embodiments may be replaced by a rotatable carrying device that can rotate around its axis.
The fixing device comprises a fixing device body, an inner side antenna arranged on the side close to a measured object and an outer side antenna arranged on the side far away from the measured object; the inner antenna sends an inner antenna signal to the processing device when reading the label information, and the outer antenna sends an outer antenna signal to the processing device; the processing device receives the plurality of inner antenna signals and determines a maximum inner antenna signal value and receives the plurality of outer antenna signals and determines a maximum outer antenna signal value.
The processing device is used for executing the following operations: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
Optionally, after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna corresponding to the tag information when the tag information is determined to exist, the operations further include: and when the label information does not exist, marking the detected object corresponding to the label information as a first type of detected object.
Optionally, the first type of object to be measured is an object to be measured located on a bearing device, and the bearing device can rotate around its own axis.
According to another aspect of the embodiments of the present invention, there is also provided a computer program product including instructions that, when run on a computer, cause the computer to perform a radio frequency identification information reading method.
Specifically, the method comprises the following steps: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal strength value of the inner side antenna and the maximum signal strength value of the outer side antenna meet a preset rule or not; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
According to another aspect of the embodiments of the present invention, there is also provided a non-volatile storage medium, which includes a stored program, wherein the program controls a device in which the non-volatile storage medium is located to execute a radio frequency identification information reading method when running.
Specifically, the method comprises the following steps: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal strength value of the inner side antenna and the maximum signal strength value of the outer side antenna meet a preset rule or not; if so, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a processor and a memory; the memory is stored with computer readable instructions, and the processor is used for executing the computer readable instructions, wherein the computer readable instructions execute a radio frequency identification information reading method when running.
Specifically, the method includes: when the stop condition is not met, acquiring label information; judging whether the tag information exists in the outer antenna data set or not; if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag; judging whether the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna meet preset rules or not; when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information; judging whether the maximum reading times are larger than the stable reading times or not; and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or may not be executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (23)

1. A radio frequency identification information reading method is applied to a mobile device, wherein the mobile device comprises a mobile device body, an inner side antenna arranged close to a measured object and an outer side antenna far away from the measured object; the method comprises the following steps:
when the stop condition is not met, acquiring label information;
judging whether the tag information exists in the outer antenna data set or not;
when the label information is judged to exist, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna corresponding to the label information;
judging whether the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna meet preset rules or not;
when the judgment result shows that the preset rule is met, acquiring the maximum reading times of the inner side antenna corresponding to the label information;
judging whether the maximum reading times are larger than the stable reading times or not;
and when the number of times of stable reading is judged to be larger than the number of times of stable reading, marking the detected object corresponding to the label information as a first type of detected object.
2. The method according to claim 1, wherein after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna corresponding to the tag information when the tag information is determined to exist, the method further comprises:
and when the label information does not exist, marking the detected object corresponding to the label information as a first type of detected object.
3. The method of claim 2, wherein the first type of object is an object on a carrier device.
4. The method of claim 1, wherein prior to said obtaining tag information when a stop condition is not met, the method further comprises:
an inner antenna data set and an outer antenna data set are established.
5. The method of claim 4, wherein establishing an inner antenna data set and an outer antenna data set comprises:
the mobile device receives and reads tag data;
judging whether the antenna reading the tag data is an inner antenna of the mobile device;
when the judgment result is yes, storing the tag data into an inner antenna data set;
when the judgment result is no, storing the tag data into an outer antenna data set;
and when the reading is not finished, calculating the maximum signal intensity value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set.
6. The method of claim 5, wherein the establishing an inner antenna data set and an outer antenna data set further comprises:
upon completion of the reading, the task ends.
7. The method of claim 1, wherein after said determining whether the maximum number of reads is greater than a stable number of reads, the method further comprises:
and when the number of times of stable reading is judged to be not more than the number of times of stable reading, marking the label information as an interference label.
8. The method of claim 1, wherein the determining whether the inner antenna maximum signal strength value and the outer antenna maximum signal strength value satisfy a predetermined rule comprises: and judging whether the difference between the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna is larger than a specified value or not.
9. A radio frequency identification information reading device is applied to a mobile device, and the mobile device comprises a mobile device body, an inner side antenna arranged close to a measured object and an outer side antenna arranged far away from the measured object;
the device comprises:
the first acquisition module is used for acquiring the label information when the stop condition is not met;
the first judging module is used for judging whether the tag information exists in the outer antenna data set or not;
the second obtaining module is used for obtaining the maximum signal strength value of the antenna at the inner side and the maximum signal strength value of the antenna at the outer side of the label when the judgment result is yes;
the second judgment module is used for judging whether the maximum signal intensity value of the inner side antenna and the maximum signal intensity value of the outer side antenna meet a preset rule or not;
a third obtaining module, configured to, if the determination is yes, obtain a maximum number of times of reading of an inner antenna corresponding to the tag information;
the third judging module is used for judging whether the maximum reading times are larger than the stable reading times or not;
and the marking module is used for marking the detected object corresponding to the label information as the first type of detected object when the judgment result is yes.
10. The apparatus of claim 9, further comprising:
and the marking module is also used for marking the detected object corresponding to the label information as the first type of detected object when the judgment result is no.
11. The device of claim 10, wherein the first type of object is an object on the carrier device.
12. The apparatus of claim 9, further comprising:
the establishing module is used for establishing an inner antenna data set and an outer antenna data set.
13. The apparatus of claim 12, wherein the establishing module comprises:
a reading unit for reading the tag data;
a judging unit configured to judge whether the antenna that reads the tag data is an inside antenna;
a first storage unit configured to store the tag data to an inner antenna data set when judged yes;
a second storage unit configured to store the tag data in an outer antenna data set when the determination is negative;
and the calculating unit is used for calculating the maximum signal strength value and the reading times corresponding to the tag data in the current inner antenna data set and the outer antenna data set when reading is not finished.
14. The apparatus of claim 13, wherein the establishing module further comprises:
and the ending unit is used for ending the task when the reading is finished.
15. The apparatus of claim 9, further comprising:
and the marking module is also used for marking the label information as an interference label when the judgment is negative.
16. The apparatus of claim 9, wherein the second determining module comprises: and judging whether the difference between the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna is larger than a specified value or not.
17. A mobile device comprises a mobile device body, an inner side antenna arranged on the side close to a measured object and an outer side antenna arranged on the side far away from the measured object; the inner antenna sends an inner antenna signal to the processing device when reading the label information, and the outer antenna sends an outer antenna signal to the processing device; the processing device receives a plurality of inner side antenna signals and determines a maximum inner side antenna signal value, and receives a plurality of outer side antenna signals and determines a maximum outer side antenna signal value;
the processing device is used for executing the following operations:
when the stop condition is not met, acquiring label information;
judging whether the tag information exists in the outer antenna data set or not;
if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag;
when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information;
judging whether the maximum reading times are larger than the stable reading times or not;
and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
18. A fixing device comprises a fixing device body, an inner side antenna and an outer side antenna, wherein the inner side antenna is arranged on the side close to a measured object, and the outer side antenna is arranged on the side far away from the measured object; the inner antenna sends an inner antenna signal to the processing device when reading the label information, and the outer antenna sends an outer antenna signal to the processing device; the processing device receives a plurality of inner side antenna signals and determines a maximum inner side antenna signal value, and receives a plurality of outer side antenna signals and determines a maximum outer side antenna signal value;
the processing device is used for executing the following operations:
when the stop condition is not met, acquiring label information;
judging whether the tag information exists in the outer antenna data set or not;
if so, acquiring the maximum signal intensity value of the inner antenna and the maximum signal intensity value of the outer antenna of the tag;
when the judgment result is yes, acquiring the maximum reading times of the inner side antenna corresponding to the label information;
judging whether the maximum reading times are larger than the stable reading times or not;
and when the judgment result is yes, marking the detected object corresponding to the label information as the first type of detected object.
19. The apparatus of claim 18, wherein after obtaining the maximum signal strength value of the inner antenna and the maximum signal strength value of the outer antenna corresponding to the tag information when the tag information is determined to exist, the operations further comprise:
and when the label information does not exist, marking the detected object corresponding to the label information as a first type of detected object.
20. Method according to claim 19, characterized in that the object of the first type is an object to be measured on a carrier device, which carrier device is rotatable about its own axis.
21. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 8.
22. A non-volatile storage medium, comprising a stored program, wherein the program, when executed, controls an apparatus in which the non-volatile storage medium is located to perform the method of any of claims 1 to 8.
23. An electronic device comprising a processor and a memory; the memory has stored therein computer readable instructions for execution by the processor, wherein the computer readable instructions when executed perform the method of any one of claims 1 to 8.
CN202011630255.8A 2020-12-30 2020-12-30 Radio frequency identification information reading method and device and mobile device Pending CN114692658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011630255.8A CN114692658A (en) 2020-12-30 2020-12-30 Radio frequency identification information reading method and device and mobile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011630255.8A CN114692658A (en) 2020-12-30 2020-12-30 Radio frequency identification information reading method and device and mobile device

Publications (1)

Publication Number Publication Date
CN114692658A true CN114692658A (en) 2022-07-01

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