CN102289646B - Multi-read head radio frequency recognition method and reader-writer - Google Patents
Multi-read head radio frequency recognition method and reader-writer Download PDFInfo
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- CN102289646B CN102289646B CN201110250160.8A CN201110250160A CN102289646B CN 102289646 B CN102289646 B CN 102289646B CN 201110250160 A CN201110250160 A CN 201110250160A CN 102289646 B CN102289646 B CN 102289646B
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Abstract
The invention discloses a multi-read head radio frequency recognition method and a reader-writer which are invented for solving the problems of lower integration, more complex structure, higher cost, no expansibility and incapability of adapting to various types of IC cards of the radio frequency recognition method and the reader-writer in the prior art. The multi-read head radio frequency recognition method comprises the steps of: receiving a command by a control unit, selecting a read head by the control unit, determining a parameter fine tuning quantity by the control unit, sending a command activation read head to a control circuit by the control unit, and sending a regulating parameter to an antenna regulator by the control unit for completing public antenna adaption. According to the invention, new high-grade IC cards needing to be introduced due to safety or application expansion of the traditional IC card application system are simultaneously supported, and multiple reader-writers are avoided in the IC card application, thereby achieving the effects on reducing the system overlapping investment, simplifying the application operation and equipment management and enabling the system to be safer.
Description
Technical field
The present invention relates to wireless communication field, particularly field of radio frequency identification.
Background technology
At present, IC-card application is more and more extensive, and along with going deep into and development of application, IC-card application needs to integrate and upgrade, to meet the needs of safety management, cost control, application extension; Dispersed feature based on IC-card application, IC-card application is integrated and upgrading needs smoothly progressive; Due to odjective cause, in concrete application system, adopt technology and the kind of IC-card to have larger difference, the recognition methods of current I C card and read-write equipment are designed and developed mainly for single IC-card, in existing each IC-card application system, equipment is incompatible, cause IC-card application to be integrated and upgrading is difficult to carry out, or cost high, have a big risk.
Existing radio-frequency identification method and read write line integrated level are lower, and structure is more complicated, and cost is higher, and does not possess extendability, can not adapt to various types of IC-cards.
Summary of the invention
The object of the invention is to the defect existing for prior art, a kind of multiread head radio-frequency identification method and read write line are provided.
In order to solve the problems of the technologies described above, the invention provides a kind of multiread head radio-frequency identification method, comprise the following steps:
Control module receives instruction,
Described control module is selected read head,
Described control module is determined the small parameter perturbations amount of described read head and common antenna,
Described control module sends instruction to control circuit and activates described read head,
Described control module sends and regulates parameter to complete described common antenna adaptation to antenna adjustments device;
Further, " described control module is determined the small parameter perturbations amount of described read head and common antenna " step, be specially, IC-card that can read/write for described read head, the prestore small parameter perturbations amount of described read head and common antenna of described control module, described control module is according to described instruction, reads the described read head that prestores and the small parameter perturbations amount of common antenna;
Further, described control module sends card seeking instruction, if card seeking success, by the access rights of safety control module checking IC-card; If card seeking failure, returns to " described control module sends card seeking instruction " step;
If described IC-card is by safety verification, described control module completes IC-card described in read/write by described read head and operates; If described IC-card is not by safety verification, described control module is closed described read head by control circuit, and completes described common antenna reset;
Described control module completes after the operation of read/write card, by described control circuit, closes described read head, and completes described common antenna reset;
Further, described control module adopts the mode of operation that polling mode is searched described IC-card;
Further, described safety verification adopts password authentification mode;
In order to solve the problems of the technologies described above, the invention provides a kind of multiread head radio-frequency identification reader/writer, comprise,
Control module, for receiving instruction, selects read head corresponding to IC-card, determines the small parameter perturbations amount of described read head and antenna, sends instruction activate described read head to control circuit, to antenna adjustments device, sends adjusting parameter;
Control circuit, receives the keying read head instruction that described control module sends, and completes described common antenna and resets;
Antenna adjustments device, receives the adjusting parameter instruction that described control module sends, and completes described common antenna adaptive;
Common antenna, at least two read heads and corresponding SAM deck;
Described SAM deck is read to be connected with described control module by described read head, described control circuit, and described common antenna is connected with described control module by described antenna adjustments device, described control circuit;
Further, the IC-card that described control module can read/write for described read head, the small parameter perturbations amount of prestore described read head and common antenna;
Further, safety control module, for key management and the safe access control of IC-card, described safety control module is connected with described control module;
Further, described read head can be read and write the IC-card of ISO14443 Type A chip, ISO14443 Type B chip or ISO 15693 chips.
As from the foregoing, the present invention supports existing IC-card application system need introduce new more senior IC-card because of safety or application extension simultaneously, avoid occurring multiple read write line in IC-card application, can reach the overlapping investment of minimizing system, simplification application operating and equipment control, the safer effect of system.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a preferred embodiment of radio-frequency identification method of the present invention;
Fig. 2 is the process flow diagram of a preferred embodiment of radio-frequency identification method read/write IC-card of the present invention;
Fig. 3 is the structural representation of a preferred embodiment of radio-frequency identification reader/writer of the present invention;
Fig. 4 is the structural representation that radio-frequency identification reader/writer of the present invention is applied to a preferred embodiment of POS machine.
Embodiment
The multiread head radio-frequency identification method process flow diagram of a preferred embodiment of the present invention, referring to Fig. 1, comprises the steps,
IC-card that can read/write for read head, the prestore small parameter perturbations amount of read head and common antenna of control module, control module reads the read head that prestores and the small parameter perturbations amount of common antenna according to the instruction control unit receiving in step 100,
The process flow diagram of the multiread head radio-frequency identification method read/write IC-card of a preferred embodiment of the present invention, referring to Fig. 2, comprises the steps,
IC-card that can read/write for read head, the prestore small parameter perturbations amount of read head and common antenna of control module, control module reads the read head that prestores and the small parameter perturbations amount of common antenna according to the instruction control unit receiving in step 100,
Safety verification adopts password authentification mode,
Control module can adopt polling mode to search the mode of operation of IC-card.
The multiread head radio-frequency identification reader/writer structure of a preferred embodiment of the present invention, referring to Fig. 3, comprises as lower module,
Control module, for receiving instruction, selects read head, determines the small parameter perturbations amount of read head and common antenna, sends instruction activate read head to control circuit, to antenna adjustments device, sends adjusting parameter, completes the read/write operation of IC;
Control circuit, the keying read head instruction that reception control unit sends, completes common antenna and resets;
Antenna adjustments device, the adjusting parameter instruction that reception control unit sends, completes common antenna adaptation;
Common antenna, at least two read heads and corresponding SAM deck;
SAM deck is read to be connected with control module by read head, control circuit, and common antenna is connected with control module by antenna adjustments device, control circuit.
Control module can read/write for read head IC-card, the small parameter perturbations amount of prestore read head and common antenna.
Safety control module, for key management and the safe access control of IC-card, safety control module is connected with control module.
Read head can be read and write the IC-card of ISO14443 Type A chip, ISO14443 Type B chip or ISO 15693 chips.
Multiread head radio-frequency identification reader/writer of the present invention is applied to POS(Point Of Sales, point of sale) structural representation of a preferred embodiment of machine is referring to Fig. 4, comprises as lower module,
Communication module, equipment has GPS module and GPRS wireless transport module, and supports EDGE network standard, and backward compatible GPRS network, possesses USB interface;
Data Storage and Processing module, possesses internal memory 128M; Possess onboard flash memory 128M, can expand to 1G by flash memory (SD card) expansion slot;
Keyboard input and display module, possess operation keyboard, code keypad on equipment, code keypad and POS machine become one; Equipment adopts TFT display screen, 3.5 cun of sizes, resolution 240 * 320,6.5 ten thousand looks;
Print module, equipment possesses thermo-sensitive print function; Printer adopts modular design, and is integrated with integration of equipments; Printer paper is wide 58 millimeters, long 6 meters of maximum monovolume printer paper; Print resolution is not less than 200dpi; Print speed is not less than 40 mm/second.
Handwriting input module, full frame handwriting functions is supported in equipment input;
Read write line adopts multiread head radio-frequency identification reader/writer of the present invention.
Above embodiment is to illustrate the invention and not to limit the present invention.
Claims (8)
1. a multiread head radio-frequency identification method, is characterized in that, comprising:
Control module receives instruction,
Described control module is selected read head,
Described control module is determined the small parameter perturbations amount of described read head and common antenna,
Described control module sends instruction to control circuit and activates described read head,
Described control module sends and regulates parameter to complete described common antenna adaptation to antenna adjustments device,
" described control module is determined the small parameter perturbations amount of described read head and common antenna " step, is specially:
IC-card that can read/write for described read head, the prestore small parameter perturbations amount of described read head and common antenna of described control module,
Described control module is according to described instruction, reads the described read head that prestores and the small parameter perturbations amount of common antenna.
2. method according to claim 1, is characterized in that, comprising:
Described control module sends card seeking instruction, if card seeking success, by the access rights of safety control module checking IC-card; If card seeking failure, returns to " described control module sends card seeking instruction " step;
If described IC-card is by safety verification, described control module completes IC-card described in read/write by described read head and operates; If described IC-card is not by safety verification, described control module is closed described read head by control circuit, and completes described common antenna reset;
Described control module completes after the operation of read/write card, by described control circuit, closes described read head, and completes described common antenna reset.
3. method according to claim 2, is characterized in that, the mode of operation that described control module adopts polling mode to search described IC-card.
4. method according to claim 3, is characterized in that, described safety verification adopts password authentification mode.
5. a multiread head radio-frequency identification reader/writer, is characterized in that, described read write line comprises:
Control module, for receiving instruction, selects read head, determines the small parameter perturbations amount of described read head and common antenna, sends instruction activate described read head to control circuit, to antenna adjustments device, sends adjusting parameter;
Control circuit, receives the keying read head instruction that described control module sends, and completes described common antenna and resets;
Antenna adjustments device, receives the adjusting parameter instruction that described control module sends, and completes described common antenna adaptive;
Common antenna, at least two read heads and corresponding SAM deck;
Described SAM deck is read to be connected with described control module by described read head, described control circuit, and described common antenna is connected with described control module by described antenna adjustments device, described control circuit,
Described control module can read/write for described read head IC-card, the small parameter perturbations amount of prestore described read head and common antenna.
6. multiread head radio-frequency identification reader/writer according to claim 5, is characterized in that, comprises safety control module, and for key management and the safe access control of IC-card, described safety control module is connected with described control module.
7. multiread head radio-frequency identification reader/writer according to claim 5, is characterized in that, described read head can be read and write the IC-card of ISO14443Type A chip, ISO14443Type B chip or ISO15693 chip.
8. a POS machine, is characterized in that, adopts the multiread head radio-frequency identification reader/writer as described in claim 5～7.
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| CN201110250160.8A CN102289646B (en) | 2011-08-29 | 2011-08-29 | Multi-read head radio frequency recognition method and reader-writer |
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| CN201110250160.8A CN102289646B (en) | 2011-08-29 | 2011-08-29 | Multi-read head radio frequency recognition method and reader-writer |
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| CN103077365B (en) * | 2012-12-28 | 2016-04-13 | 广州中大微电子有限公司 | The RFID reader of compatible Type A and Type B agreement |
| EP3483658B1 (en) * | 2016-07-06 | 2021-07-21 | KYOCERA Document Solutions Inc. | Image formation apparatus, reader/writer, and coloring agent cartridge |
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| CN2842565Y (en) * | 2005-10-27 | 2006-11-29 | 杭州东信灵通电子实业公司 | Multifunction IC card read-write apparatus |
| CN101075297A (en) * | 2006-05-16 | 2007-11-21 | 张敏 | Universal encoding-decoding and read-write device for non-contacting IC card |
| CN201054145Y (en) * | 2007-04-27 | 2008-04-30 | 交通部科学研究院 | Non contact card reader |
| CN201654817U (en) * | 2010-04-21 | 2010-11-24 | 中国电子技术标准化研究所 | Radio frequency identification reader-writer simulator |
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| US20080284605A1 (en) * | 2005-03-07 | 2008-11-20 | Gary Mark Shafer | Automated Tuning Method for Rfid Labels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842565Y (en) * | 2005-10-27 | 2006-11-29 | 杭州东信灵通电子实业公司 | Multifunction IC card read-write apparatus |
| CN101075297A (en) * | 2006-05-16 | 2007-11-21 | 张敏 | Universal encoding-decoding and read-write device for non-contacting IC card |
| CN201054145Y (en) * | 2007-04-27 | 2008-04-30 | 交通部科学研究院 | Non contact card reader |
| CN201654817U (en) * | 2010-04-21 | 2010-11-24 | 中国电子技术标准化研究所 | Radio frequency identification reader-writer simulator |
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Address after: 400039 Jiulongpo District of Chongqing Shiqiaopu Science Park Road 200, building 25, 26 layers of technology development Applicant after: Chongqing Chengtou Gold Card Information Industry Co., Ltd. Address before: 400039 Jiulongpo District of Chongqing Shiqiaopu Science Park Road 200, building 25, 26 layers of technology development Applicant before: Chongqing Chengtou Goldcard Traffic Information Industry Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CHONGQING CHENGTOU GOLDCARD TRAFFIC INFORMATION INDUSTRY CO., LTD. TO: CHONGQING CHENGTOU GOLD CARD INFORMATION INDUSTRY CO., LTD. |
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