CN102147847A - Card reading terminal and card reading method - Google Patents
Card reading terminal and card reading method Download PDFInfo
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- CN102147847A CN102147847A CN2010101122099A CN201010112209A CN102147847A CN 102147847 A CN102147847 A CN 102147847A CN 2010101122099 A CN2010101122099 A CN 2010101122099A CN 201010112209 A CN201010112209 A CN 201010112209A CN 102147847 A CN102147847 A CN 102147847A
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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
- G06K7/10297—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 arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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Abstract
The invention is suitable for the technical field of radio frequency card reading and provides a card reading terminal and a card reading method. The card reading terminal comprises a card swiping unit, a 2.4GHz card reading unit connected with the card swiping unit and a 13.56MHz card reading unit connected with the 2.4GHz card reading unit, wherein the card swiping unit sends out a transaction command to the 2.4GHz card reading unit, and the 2.4GHz card reading unit transmits the transaction command to the 13.56MHz card reading unit; the 2.4GHz card reading unit or the 13.56MHz card reading unit establishes connection with a radio frequency card to be read according to the transaction command, then reads data in the radio frequency card to be read and returns a card reading result to the card swiping unit; as the card reading terminal can read data in the radio frequency card with the working frequency of 13.56MHz or 2.4GHz, the application scope of the card reading terminal is widened; and as the card reading terminal is simple to implement, hardware circuits of the existing 13.56MHz card reading unit do not need to be transformed, thereby saving development cost.
Description
Technical field
The invention belongs to radio-frequency card and read technical field, relate in particular to a kind of card-reading terminal and card reading method thereof.
Background technology
The radio-frequency card (claiming non-contact IC card again) that is widely used in fields such as gate inhibition, work attendance, automatic fare collection system at present is a kind of integrated circuit card that transmits data with wireless mode, it mainly is made up of IC chip, induction antenna etc., corresponding card-reading terminal by with the radiowave of radio-frequency card finish read-write operation alternately to radio-frequency card.
Show the schematic diagram of the card-reading terminal that prior art provides as Fig. 1, this card-reading terminal comprises the card reading unit of swipe the card a unit and a 13.56MHz.When this read-write terminal sticks into capable read-write operation to radio frequency, 13.56MHz the card reading unit transaction order that the unit sends according to swiping the card, send power supply signal and data-signal by antenna, after radio-frequency card with 13.56MHz frequency of operation receives this power supply signal by antenna, in inside L/C resonance taking place, produces the work that energy is in a flash supplied with the middle IC chip of radio-frequency card; This IC chip is finished operations such as Data Receiving, modification, storage afterwards according to data-signal, and return results is given read-write cell.
Yet the card-reading terminal that can read the data in the radio-frequency card that frequency of operation is 13.56MHz that prior art provides can not read the data in the radio-frequency card that current market frequency of operation is 2.4GHz simultaneously, and range of application is narrow.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of card-reading terminal, be intended to solve the card-reading terminal that can read the data in the radio-frequency card that frequency of operation is 13.56MHz that prior art provides, can not read the data in the radio-frequency card that frequency of operation is 2.4GHz, the problem that range of application is narrow.
The embodiment of the invention is achieved in that a kind of card-reading terminal, and described card-reading terminal comprises the unit of swiping the card, the 2.4GHz card reading unit that connects the described unit of swiping the card and the 13.56MHz card reading unit that connects described 2.4GHz card reading unit;
The described unit of swiping the card sends the transaction order and gives described 2.4GHz card reading unit, and by described 2.4GHz card reading unit described transaction order is transmitted to described 13.56MHz card reading unit; Described 2.4GHz card reading unit or 13.56MHz card reading unit are set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues afterwards, and return the Card Reader result to the described unit of swiping the card.
The embodiment of the invention also provides a kind of card reading method of aforesaid card-reading terminal, may further comprise the steps:
The described unit of swiping the card sends the transaction order and gives described 2.4GHz card reading unit;
Described 2.4GHz card reading unit will be concluded the business to order and will be transmitted to described 13.56MHz card reading unit, described 2.4GHz card reading unit or 13.56MHz card reading unit are set up and being connected of the radio-frequency card that continues according to transaction order, read the data in the described radio-frequency card that continues, and return the Card Reader result and give the described unit of swiping the card.
The card-reading terminal that the embodiment of the invention provides is existing swipes the card between unit and the 13.56MHz card reading unit, connect a 2.4GHz card reading unit, 13.56MHz card reading unit realizes by this 2.4GHz card reading unit and the information interaction of the unit of swiping the card, this card-reading terminal not only can read the data in the radio-frequency card that frequency of operation is 13.56MHz, the frequency of operation that can also read widespread use on the market is the data in the radio-frequency card of 2.4GHz, widened the range of application of card-reading terminal, and this card-reading terminal realizes simple, when using, existing 13.56MHz card reading unit is directly docked with the 2.4GHz card reading unit in the embodiment of the invention, need not the hardware circuit of existing 13.56MHz card reading unit is transformed, saved cost of development.
Description of drawings
Fig. 1 is the theory diagram of the card-reading terminal that provides of prior art;
Fig. 2 is the theory diagram of the card-reading terminal that provides of the embodiment of the invention;
Fig. 3 is the structured flowchart of Fig. 2;
Fig. 4 is the process flow diagram of the card reading method of the card-reading terminal that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The card-reading terminal that the embodiment of the invention provides is swiped the card between unit and the 13.56MHz card reading unit existing, connects a 2.4GHz card reading unit, and the 13.56MHz card reading unit is by the information interaction of this 2.4GHz card reading unit realization with the unit of swiping the card.Wherein, the 13.56MHz card reading unit be meant frequency of operation be 13.56MHz and can with the card reading unit of radio-frequency card mutual communication with 13.56MHz frequency of operation; 2.4GHz card reading unit be meant frequency of operation be 2.4GHz and can with the card reading unit of radio-frequency card mutual communication with 2.4GHz frequency of operation.
Fig. 2 shows the principle of the card-reading terminal that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
This card-reading terminal comprises the unit 11 of swiping the card, and connects the 2.4GHz card reading unit 12 of the unit of swiping the card, and the 13.56MHz card reading unit 13 that connects 2.4GHz card reading unit 12.Wherein, the unit 11 of swiping the card be used for according to host computer transmit operational order send the transaction order and give 2.4GHz card reading unit 12, and should conclude the business to order by 2.4GHz card reading unit 12 and be transmitted to 13.56MHz card reading unit 13; 2.4GHz card reading unit 12 or 13.56MHz card reading unit 13 are set up and being connected of the radio-frequency card that continues according to this transaction order, read the data in this radio-frequency card that continues afterwards, and return the Card Reader result to swiping the card unit 11.
Because this card-reading terminal that the embodiment of the invention provides is when having comprised 13.56MHz card reading unit 13, also comprised 2.4GHz card reading unit 12, not only can read the card-reading terminal of the data in the radio-frequency card that frequency of operation is 13.56MHz, the frequency of operation that can also read widespread use on the market is the data in the radio-frequency card of 2.4GHz, widened the range of application of card-reading terminal, and this card-reading terminal realizes simple, when using, existing 13.56MHz card reading unit is directly docked with the 2.4GHz card reading unit in the embodiment of the invention, need not the hardware circuit of existing 13.56MHz card reading unit is transformed, saved cost of development.
The radio-frequency card that continues wherein can be that frequency of operation is that radio-frequency card or the frequency of operation of 2.4GHz is the radio-frequency card of 13.56MHz, when the radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 2.4GHz, 2.4GHz card reading unit 12 is set up and being connected of the radio-frequency card that continues according to this transaction order, read the data in the described radio-frequency card that continues afterwards, and return the Card Reader result and be specially for the step of the described unit of swiping the card: 2.4GHz card reading unit 12 is sent power supply signal and data-signal according to this transaction order; After the radio-frequency card that continues receives this power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the radio-frequency card that continues; The IC chip of this radio-frequency card that continues is finished operations such as Data Receiving, data modification or data storage afterwards according to this data-signal, and returns the Card Reader result and give 2.4GHz card reading unit 12.Afterwards, 2.4GHz card reading unit 12 returns to the unit 11 of swiping the card with this Card Reader result, and then returns to the host computer demonstration by the unit 11 of swiping the card.
When the radio-frequency card that continues is a frequency of operation when being the radio-frequency card of 13.56MHz, the step of connecting that 13.56MHz card reading unit 13 is set up with the radio-frequency card that continues according to this transaction order is specially: 13.56MHz card reading unit 13 is sent power supply signal and data-signal according to this transaction order; After the radio-frequency card that continues receives this power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the radio-frequency card that continues; The IC chip of this radio-frequency card that continues is finished operations such as Data Receiving, data modification or data storage afterwards according to this data-signal, and returns the Card Reader result and give 13.56MHz card reading unit 13.Afterwards, 13.56MHz card reading unit 13 is by 2.4GHz card reading unit 12, and the result returns to the unit 11 of swiping the card with this Card Reader, and then returns to the host computer demonstration by the unit 11 of swiping the card.
Fig. 3 shows the structure of Fig. 2.
2.4GHz card reading unit 12 wherein further comprises: the load module 121 that connects the unit 11 of swiping the card; The output module 122 that connects 13.56MHz card reading unit 13; With frequency of operation be the 2.4GHz radio frequency card reading module 124 that the radio-frequency card that continues of 2.4GHz carries out information interaction; And the control module 123 that connects load module 121, output module 122 and 2.4GHz radio frequency card reading module 124 simultaneously.
2.4GHz card reading unit 12 receives the transaction order of sending the unit 11 of swiping the card and sends control module 123 to by load module 121, control module 123 should be concluded the business to order and be sent 13.56MHz card reading unit 13 to by output module 122.2.4GHz card reading unit 12 is set up by 2.4GHz radio frequency card reading module 124 and frequency of operation is being connected and data read of the radio-frequency card that continues of 2.4GHz, afterwards, control module 123 returns to the unit 11 of swiping the card with the Card Reader result by load module 121.For frequency of operation is the radio-frequency card that continues of 13.56MHz, and 13.56MHz card reading unit 13 is returned the Card Reader result by output module 122 and given control module 123, and control module 123 returns to the unit 11 of swiping the card with the Card Reader result that it receives by load module 121.
Fig. 4 shows the flow process of the card reading method of above-mentioned card-reading terminal.
In step S101, the unit of swiping the card sends the transaction order and gives the 2.4GHz card reading unit.
In step S102, order is transmitted to described 13.56MHz card reading unit 2.4GHz card reading unit will be concluded the business, 2.4GHz card reading unit or 13.56MHz card reading unit are set up and being connected of the radio-frequency card that continues according to transaction order, read the data in this radio-frequency card that continues, and return the Card Reader result and give the unit of swiping the card.
Similarly, the radio-frequency card that continues wherein can be that frequency of operation is that radio-frequency card or the frequency of operation of 2.4GHz is the radio-frequency card of 13.56MHz, when the radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 2.4GHz, 2.4GHz card reading unit is set up and being connected of the radio-frequency card that continues according to transaction order, read the data in this radio-frequency card that continues, and return the Card Reader result and be specially for the step of the unit of swiping the card: the 2.4GHz card reading unit is sent power supply signal and data-signal according to this transaction order; After the radio-frequency card that continues receives this power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the radio-frequency card that continues; The IC chip of this radio-frequency card that continues is finished operations such as Data Receiving, data modification or data storage afterwards according to this data-signal, and returns the Card Reader result and give the 2.4GHz card reading unit; 2.4GHz card reading unit returns to the unit of swiping the card with this Card Reader result.Afterwards, the unit of swiping the card returns this Card Reader result and shows to host computer.
When the radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 13.56MHz, 13.56MHz card reading unit is set up and being connected of the radio-frequency card that continues according to transaction order, read the data in this radio-frequency card that continues, and return the Card Reader result and be specially for the step of the unit of swiping the card: the 13.56MHz card reading unit is sent power supply signal and data-signal according to this transaction order; After the radio-frequency card that continues receives this power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the radio-frequency card that continues; The IC chip of this radio-frequency card that continues is finished operations such as Data Receiving, data modification or data storage afterwards according to this data-signal, and returns the Card Reader result and give the 13.56MHz card reading unit; 13.56MHz card reading unit is by the 2.4GHz card reading unit, the result returns to the unit of swiping the card with this Card Reader.Afterwards, the unit of swiping the card returns this Card Reader result and shows to host computer.
The card-reading terminal that the embodiment of the invention provides is existing swipes the card between unit and the 13.56MHz card reading unit, connect a 2.4GHz card reading unit, 13.56MHz card reading unit realizes by this 2.4GHz card reading unit and the information interaction of the unit of swiping the card, this card-reading terminal not only can read the data in the radio-frequency card that frequency of operation is 13.56MHz, the frequency of operation that can also read widespread use on the market is the data in the radio-frequency card of 2.4GHz, widened the range of application of card-reading terminal, and this card-reading terminal realizes simple, when using, existing 13.56MHz card reading unit is directly docked with the 2.4GHz card reading unit in the embodiment of the invention, need not the hardware circuit of existing 13.56MHz card reading unit is transformed, saved cost of development.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is can control relevant hardware by program to finish, described program can be in being stored in a computer read/write memory medium, described storage medium is as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a card-reading terminal is characterized in that, described card-reading terminal comprises the unit of swiping the card, the 2.4GHz card reading unit that connects the described unit of swiping the card and the 13.56MHz card reading unit that connects described 2.4GHz card reading unit;
The described unit of swiping the card sends the transaction order and gives described 2.4GHz card reading unit, and by described 2.4GHz card reading unit described transaction order is transmitted to described 13.56MHz card reading unit; Described 2.4GHz card reading unit or 13.56MHz card reading unit are set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues afterwards, and return the Card Reader result to the described unit of swiping the card.
2. card-reading terminal as claimed in claim 1, it is characterized in that, when the described radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 2.4GHz, described 2.4GHz card reading unit is set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues afterwards, and return the Card Reader result and be specially for the step of the described unit of swiping the card:
Described 2.4GHz card reading unit is sent power supply signal and data-signal according to described transaction order;
After the described radio-frequency card that continues receives described power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the described radio-frequency card that continues;
Finish Data Receiving, data modification or data storage operations according to described data-signal after the IC chip of the described radio-frequency card that continues, and return the Card Reader result and give described 2.4GHz card reading unit, by described 2.4GHz card reading unit described Card Reader result is returned to the described unit of swiping the card.
3. card-reading terminal as claimed in claim 1, it is characterized in that, when the described radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 13.56MHz, described 13.56MHz card reading unit is set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues afterwards, and return the Card Reader result and be specially for the step of the described unit of swiping the card:
Described 13.56MHz card reading unit is sent power supply signal and data-signal according to described transaction order;
After the described radio-frequency card that continues receives described power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the described radio-frequency card that continues;
Finish Data Receiving, data modification or data storage operations according to described data-signal after the IC chip of the described radio-frequency card that continues, and return the Card Reader result and give described 13.56MHz card reading unit, by described 2.4GHz card reading unit, described Card Reader result is returned to the described unit of swiping the card by described 13.56MHz card reading unit.
4. as claim 1,2 or 3 described card-reading terminal, it is characterized in that described 2.4GHz card reading unit further comprises:
The load module that connects the described unit of swiping the card;
The output module that connects described 13.56MHz card reading unit;
With frequency of operation be the 2.4GHz radio frequency card reading module that the radio-frequency card that continues of 2.4GHz carries out information interaction; And
The control module that connects described load module, output module and 2.4GHz radio frequency card reading module simultaneously.
5. the card reading method of a card-reading terminal as claimed in claim 1 is characterized in that, said method comprising the steps of:
The described unit of swiping the card sends the transaction order and gives described 2.4GHz card reading unit;
Described 2.4GHz card reading unit will be concluded the business to order and will be transmitted to described 13.56MHz card reading unit, described 2.4GHz card reading unit or 13.56MHz card reading unit are set up and being connected of the radio-frequency card that continues according to transaction order, read the data in the described radio-frequency card that continues, and return the Card Reader result and give the described unit of swiping the card.
6. card reading method as claimed in claim 5, it is characterized in that, when the described radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 2.4GHz, described 2.4GHz card reading unit is set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues, and return the Card Reader result and be specially for the step of the described unit of swiping the card:
Described 2.4GHz card reading unit is sent power supply signal and data-signal according to described transaction order;
After the described radio-frequency card that continues receives described power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the described radio-frequency card that continues;
Finish Data Receiving, data modification or data storage operations according to described data-signal after the IC chip of the described radio-frequency card that continues, and return the Card Reader result and give described 2.4GHz card reading unit, by described 2.4GHz card reading unit described Card Reader result is returned to the described unit of swiping the card.
7. card reading method as claimed in claim 5, it is characterized in that, when the described radio-frequency card that continues is that frequency of operation is when being the radio-frequency card of 13.56MHz, described 13.56MHz card reading unit is set up and being connected of the radio-frequency card that continues according to described transaction order, read the data in the described radio-frequency card that continues, and return the Card Reader result and be specially for the step of the described unit of swiping the card:
Described 13.56MHz card reading unit is sent power supply signal and data-signal according to described transaction order;
After the described radio-frequency card that continues receives described power supply signal, in inside L/C resonance taking place, produces the operating voltage of the IC chip of the described radio-frequency card that continues;
Finish Data Receiving, data modification or data storage operations according to described data-signal after the IC chip of the described radio-frequency card that continues, and return the Card Reader result and give described 13.56MHz card reading unit, by described 2.4GHz card reading unit, described Card Reader result is returned to the described unit of swiping the card by described 13.56MHz card reading unit.
8. as claim 5,6 or 7 described card reading methods, it is characterized in that described 2.4GHz card reading unit further comprises:
The load module that connects the described unit of swiping the card;
The output module that connects described 13.56MHz card reading unit;
With frequency of operation be the 2.4GHz radio frequency card reading module that the radio-frequency card that continues of 2.4GHz carries out information interaction; And
The control module that connects described load module, output module and 2.4GHz radio frequency card reading module simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101122099A CN102147847A (en) | 2010-02-09 | 2010-02-09 | Card reading terminal and card reading method |
| PCT/CN2010/075242 WO2011097868A1 (en) | 2010-02-09 | 2010-07-19 | Card reading terminal and card reading method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101122099A CN102147847A (en) | 2010-02-09 | 2010-02-09 | Card reading terminal and card reading method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102147847A true CN102147847A (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101122099A Pending CN102147847A (en) | 2010-02-09 | 2010-02-09 | Card reading terminal and card reading method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102147847A (en) |
| WO (1) | WO2011097868A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103516399A (en) * | 2012-06-20 | 2014-01-15 | 国民技术股份有限公司 | Radio frequency communication method, terminal and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101013463A (en) * | 2006-11-24 | 2007-08-08 | 华中科技大学 | Radio-frequency identification reader/writer |
| CN101051353A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Multiple frequency band multiple protocol radio frequency identifying device system |
| CN201111062Y (en) * | 2007-06-15 | 2008-09-03 | 深圳市金溢科技有限公司 | Double-frequency card reader for recognizing ambiguity path |
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| US7817044B2 (en) * | 2005-11-30 | 2010-10-19 | Intel Corporation | RFID enabled multiband antenna |
| CN2911800Y (en) * | 2006-03-31 | 2007-06-13 | 韩国莫特伲技术株式会社 | Non-contact electronic IC card adhered to cell phone |
| US20080238621A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Multi-mode rfid reader architecture |
| CN101329739B (en) * | 2008-05-20 | 2011-03-16 | 国民技术股份有限公司 | Read-write converting device and method of radio frequency smart card |
| CN201465137U (en) * | 2009-06-08 | 2010-05-12 | 深圳市江波龙电子有限公司 | Non-contact card reader |
| CN201527655U (en) * | 2009-10-23 | 2010-07-14 | 厦门盛华电子科技有限公司 | Non-contact IC card double-frequency card reading device with mobile phone card swiping distance detecting function |
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2010
- 2010-02-09 CN CN2010101122099A patent/CN102147847A/en active Pending
- 2010-07-19 WO PCT/CN2010/075242 patent/WO2011097868A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013463A (en) * | 2006-11-24 | 2007-08-08 | 华中科技大学 | Radio-frequency identification reader/writer |
| CN101051353A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Multiple frequency band multiple protocol radio frequency identifying device system |
| CN201111062Y (en) * | 2007-06-15 | 2008-09-03 | 深圳市金溢科技有限公司 | Double-frequency card reader for recognizing ambiguity path |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516399A (en) * | 2012-06-20 | 2014-01-15 | 国民技术股份有限公司 | Radio frequency communication method, terminal and system |
| CN103516399B (en) * | 2012-06-20 | 2016-04-06 | 国民技术股份有限公司 | Radio communication method, terminal and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011097868A1 (en) | 2011-08-18 |
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Application publication date: 20110810 |