CN102385685A - Radio frequency tag system and use method for same - Google Patents
Radio frequency tag system and use method for same Download PDFInfo
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- CN102385685A CN102385685A CN2011103168227A CN201110316822A CN102385685A CN 102385685 A CN102385685 A CN 102385685A CN 2011103168227 A CN2011103168227 A CN 2011103168227A CN 201110316822 A CN201110316822 A CN 201110316822A CN 102385685 A CN102385685 A CN 102385685A
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Abstract
The invention discloses a radio frequency tag system and a use method for the same. The system comprises a radio frequency tag, a magnetic body and a reader communicating with the radio frequency tag, wherein the radio frequency tag actively transmits a signal to the reader through the induced voltage generated by being close to or far away from the magnetic body; the method is executed based on the system, and the method comprises the following steps of: building object information in the tag, arranging the magnetic body at a predetermined position, and attaching the tag to the object, wherein the tag position satisfies that the induced voltage generated by an induction coil enables the tag to actively transmit the signal to the reader; and moving the object to be close to or far away from the predetermined position on which the magnetic body is arranged, and actively transmitting the signal of movement of the object by the tag. The system and the method can identify the movement of the object, can identify the movement of being close to or far away from the predetermined position, and also can improve the transmitting capability of a passive radio frequency tag; and in the service environment with densely arranged tags, the system and the method can meet the service requirements of accurately identifying any tag, and also can reduce energy consumption of the reader and increase continuous operating time of the reader.
Description
Technical field
The present invention relates to a kind of radio frequency identification systems, also relate to the method for application of this radio frequency identification systems.
Background technology
RF tag is to utilize the RFID technology to carry out the important electronic component of information Recognition, in various fields such as logistics system, warehousing system, large supermarket, finds broad application.
Divide from mode of operation; Existing RF tag can be divided into passive label and active label two big classes; Wherein, passive label is passive triggering mode of operation, and its basic functional principle is: the magnetic field that the radiofrequency signal that plug-in reader sends changes; When passive label gets into this magnetic field; Coil on the label can produce induced voltage, and label relies on the energy that this induced voltage obtained to send out the product information that is stored in its chip, and plug-in reader reads signal message, decodes and is sent to CIS and carries out the related data processing.Active label is for initiatively sending mode of operation, and active label can utilize its power supply that carries initiatively to send signal to plug-in reader.
But in practice, there is following defective in above-mentioned existing RF tag:
Existing RF tag can not send radiofrequency signal to plug-in reader because of motion receives to trigger, and therefore, existing RF tag can not satisfy identification label and adhere to the requirement whether object is moved.
Secondly, existing RF tag can not satisfy the recognition object position to object away from still near requirement.
In addition, under the environment for use of label dense arrangement, when adopting plug-in reader to read numerous label information, be difficult to satisfy the accurately requirement of the arbitrary label of identification.
Summary of the invention
One of technical matters that the present invention will solve is, a kind of radio frequency identification systems is provided, and overcomes existing RF tag and can not satisfy the defective whether recognition object is moved.
Two of the technical matters that the present invention will solve is, a kind of method of application of radio frequency identification systems is provided, and overcomes existing RF tag and can not satisfy the defective whether recognition object is moved.
The present invention solves the technical scheme that one of its technical matters adopts: construct a kind of radio frequency identification systems; Comprise RF tag and the plug-in reader of communicating by letter with this RF tag; It is characterized in that; Also comprise magnet, said RF tag through near or the induced voltage that produces away from said magnet initiatively transmit to said plug-in reader.
In radio frequency identification systems of the present invention, said RF tag comprises the polarity judge module that is integrated in the label control logic circuit.
In radio frequency identification systems of the present invention, said RF tag is active label or passive label.
The present invention solves the technical scheme that two of its technical matters adopted: a kind of method of application of radio frequency identification systems is provided, and said radio frequency identification systems comprises RF tag, magnet and the plug-in reader of communicating by letter with this RF tag; It is characterized in that said method comprises the steps:
S1, to the built-in object information of said RF tag; Said magnet is arranged on the precalculated position; With this RF tag attached on the object; And this RF tag satisfies in the position on the said object: when said object was provided with the precalculated position and makes said RF tag near said magnet near said magnet, the induced voltage that inductive coil produced of said RF tag can initiatively transmit said RF tag to said plug-in reader;
S2, with said object move near or move away from said magnet the precalculated position be set, said RF tag initiatively sends the signal that said object moves.
In the method for application of radio frequency identification systems of the present invention, said RF tag comprises the polarity judge module that is integrated in the label control logic circuit; Said method of application step S2 comprises: said object is moved when near said magnet the precalculated position being set, and said RF tag initiatively sends said object and moves near signal; When said object was moved away from said magnet the precalculated position is set, said RF tag initiatively sent said object and moves away from signal.
In the method for application of radio frequency identification systems of the present invention, said RF tag is active label or passive label.
The radio frequency identification systems of embodiment of the present invention and method of application thereof, its beneficial effect is:
Between the magnet of radio frequency identification systems and the RF tag near moving or away from moving; Make RF tag produce induced voltage; Passive RF label initiatively sends signal to plug-in reader based on this induced voltage, active RF tag based on induced signal, satisfies the request for utilization that recognition object moves;
2. through in the control logic circuit of existing RF tag, increasing the polarity judge module, realize object object near moving and away from the identification of moving;
3. improve the emissive ability of passive RF label, the distance between plug-in reader and the passive RF label can increase greatly;
Owing to the RF tag in the radio frequency identification systems be near or away from the magnet process in receive and to send signal; In the environment for use of label dense arrangement; When this signal sent, other labels (using on the object of label) did not send signal attached to each, and plug-in reader only receives single signal; Therefore, satisfy the accurately request for utilization of the arbitrary label of identification easily;
5. because plug-in reader need not to transmit, only be responsible for receiving signal, therefore, can significantly reduce the plug-in reader energy consumption, increase the stream time of plug-in reader.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the principle schematic of a kind of embodiment of radio frequency identification systems of the present invention.
Embodiment
As shown in Figure 1, radio frequency identification systems of the present invention comprises RF tag 20, magnet 30 and the plug-in reader 10 of communicating by letter with RF tag 20.RF tag 20 through near or initiatively transmit to plug-in reader 10 away from the induced voltage that magnet 30 produces, the information and the information of carrying the movement of objects of RF tag 20 of RF tag 20 records is sent to plug-in reader 10.
In order to judge that further the mobile of object of carrying RF tag 20 is to move or move away from magnet 30 near magnet 30; In the control logic circuit of existing RF tag, increase the polarity judge module; To the object that carries RF tag 20 move near magnet 30 or when moving away from magnet 30; The polarity of the inductive coil of RF tag 20 judges that the mobile of object of carrying RF tag 20 with identification is to move or move away from magnet 30 near magnet 30.
Above-mentioned RF tag 20 can adopt active label, also can adopt passive label.When adopting passive label, can improve the emissive ability of passive RF label, the distance between plug-in reader and the passive RF label can increase greatly.
The method of application of radio frequency identification systems of the present invention uses above-mentioned radio frequency identification systems to carry out, and this method comprises the steps:
The first step is to the information of RF tag 20 built-in objects (object that normally label adhered to); Magnet 30 is arranged on preposition; With RF tag 20 attached on the object; Guarantee that RF tag 20 satisfies in the position on the object: when object during near the precalculated position is set makes RF tag 20 near magnet 30 of magnet 30, the induced voltage that inductive coil produced of RF tag 20 can initiatively transmit RF tag 20 to plug-in reader 10.
Second step, with object move near or move away from the precalculated position that is provided with of magnet 30, RF tag 20 initiatively sends the signal that object moves.
In order to judge that further the mobile of object of carrying RF tag 20 is to move or move away from magnet 30 near magnet 30; In the control logic circuit of existing RF tag 20, increase the polarity judge module; Like this; In above-mentioned second step, when object being moved the precalculated position that is provided with near magnet 30, RF tag 20 initiatively sends object and moves near signal; When object being moved away from the precalculated position of magnet 30 settings, RF tag 20 initiatively sends object and moves away from signal.
Claims (6)
1. a radio frequency identification systems comprises RF tag and the plug-in reader of communicating by letter with this RF tag, it is characterized in that, also comprises magnet, said RF tag through near or the induced voltage that produces away from said magnet initiatively transmit to said plug-in reader.
2. radio frequency identification systems as claimed in claim 1 is characterized in that, said RF tag comprises the polarity judge module that is integrated in the label control logic circuit.
3. according to claim 1 or claim 2 radio frequency identification systems is characterized in that said RF tag is active label or passive label.
4. the method for application of a radio frequency identification systems, said radio frequency identification systems comprises RF tag, magnet and the plug-in reader of communicating by letter with this RF tag; It is characterized in that said method comprises the steps:
S1, to the built-in object information of said RF tag; Said magnet is arranged on the precalculated position; With this RF tag attached on the object; And this RF tag satisfies in the position on the said object: when said object was provided with the precalculated position and makes said RF tag near said magnet near said magnet, the induced voltage that inductive coil produced of said RF tag can initiatively transmit said RF tag to said plug-in reader;
S2, with said object move near or move away from said magnet the precalculated position be set, said RF tag initiatively sends the signal that said object moves.
5. the method for application of radio frequency identification systems as claimed in claim 4 is characterized in that, said RF tag comprises the polarity judge module that is integrated in the label control logic circuit; Said method of application step S2 comprises: said object is moved when near said magnet the precalculated position being set, and said RF tag initiatively sends said object and moves near signal; When said object was moved away from said magnet the precalculated position is set, said RF tag initiatively sent said object and moves away from signal.
6. like the method for application of claim 4 or 5 described radio frequency identification systems, it is characterized in that said RF tag is active label or passive label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103168227A CN102385685B (en) | 2011-10-18 | 2011-10-18 | Radio frequency tag system and use method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103168227A CN102385685B (en) | 2011-10-18 | 2011-10-18 | Radio frequency tag system and use method for same |
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| Publication Number | Publication Date |
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| CN102385685A true CN102385685A (en) | 2012-03-21 |
| CN102385685B CN102385685B (en) | 2013-03-27 |
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| CN2011103168227A Active CN102385685B (en) | 2011-10-18 | 2011-10-18 | Radio frequency tag system and use method for same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139378A1 (en) * | 2014-03-20 | 2015-09-24 | 中兴通讯股份有限公司 | Rfid tag and apparatus for dynamically enabling rfid tag |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143898A1 (en) * | 2004-12-28 | 2006-07-06 | Samsung Techwin Co., Ltd. | Method of manufacturing antenna for RFID tag |
| CN201270116Y (en) * | 2008-09-24 | 2009-07-08 | 宝山钢铁股份有限公司 | Magnetic suction type RFID electronic label |
| CN101901327A (en) * | 2008-12-11 | 2010-12-01 | 韩国电子通信研究院 | Radio frequency identification apparatus |
| US20110070826A1 (en) * | 2009-09-24 | 2011-03-24 | Research In Motion Limited | Mobile wireless communications device, method and system using magnetic sensor and activated nfc circuit for establishing communications between mobile wireless communications devices |
-
2011
- 2011-10-18 CN CN2011103168227A patent/CN102385685B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143898A1 (en) * | 2004-12-28 | 2006-07-06 | Samsung Techwin Co., Ltd. | Method of manufacturing antenna for RFID tag |
| CN201270116Y (en) * | 2008-09-24 | 2009-07-08 | 宝山钢铁股份有限公司 | Magnetic suction type RFID electronic label |
| CN101901327A (en) * | 2008-12-11 | 2010-12-01 | 韩国电子通信研究院 | Radio frequency identification apparatus |
| US20110070826A1 (en) * | 2009-09-24 | 2011-03-24 | Research In Motion Limited | Mobile wireless communications device, method and system using magnetic sensor and activated nfc circuit for establishing communications between mobile wireless communications devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139378A1 (en) * | 2014-03-20 | 2015-09-24 | 中兴通讯股份有限公司 | Rfid tag and apparatus for dynamically enabling rfid tag |
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| CN102385685B (en) | 2013-03-27 |
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Address after: 518048 Guangdong province Shenzhen Guangming New District Office of Gongming Tong Community High Tech Park South Road District first letter exchange Applicant after: Shenzhen Kexin Communiation Technology Co., Ltd. Address before: NANKER Guangming hi tech Park District letter delta road Shenzhen City, Guangdong province 518048 Applicant before: Shenzhen Kexin Communication Equipment Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: KEXIN COMMUNICATION EQUIPMENT CO. LTD., SHENZHEN CITY TO: SHENZHEN KEXIN COMMUNICATION TECHNOLOGY CO., LTD. |
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Inventor after: Wen Ruping Inventor after: Hu Bibo Inventor after: Qiao Liang Inventor after: Ouyang Xingtao Inventor after: Chen Dengzhi Inventor before: Wen Ruping Inventor before: Hu Bibo Inventor before: Qiao Liang Inventor before: Ouyang Xingtao |
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