CN201188651Y - Smart card with wireless communication function and smart card system using the same - Google Patents
Smart card with wireless communication function and smart card system using the same Download PDFInfo
- Publication number
- CN201188651Y CN201188651Y CNU2008200803630U CN200820080363U CN201188651Y CN 201188651 Y CN201188651 Y CN 201188651Y CN U2008200803630 U CNU2008200803630 U CN U2008200803630U CN 200820080363 U CN200820080363 U CN 200820080363U CN 201188651 Y CN201188651 Y CN 201188651Y
- Authority
- CN
- China
- Prior art keywords
- smart card
- wireless communication
- unit
- radio communication
- communication function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model provides a smart card with a wireless communication function and a smart card system using the smart card. The smart card comprises an interface unit, a judgement unit, a digital television smart card unit and a wireless communication unit, wherein, the interface unit is used for receiving a control command sent by a set-top box. The judgement unit receives the control command, determines the request type of the control command and transmits the control command to the wireless communication unit to be processed when the request type is of a wireless communication command; when the request type is not of a wireless communication command, the control command is transmitted to the digital television smart card unit to be processed. The digital television smart card unit receives the control command transmitted by the judgement unit and implements the corresponding function. The wireless communication unit receives the control command transmitted by the judgement unit or a communication command transmitted by external wireless communication equipment and carries out the wireless communication function. The utility model achieves a bi-directional data channel for wireless communication, provide a solution to the problem of a digital television network return communication channel and provide a platform for the development of interactive services.
Description
Technical field
The utility model relates to the short-distance wireless communication technology in radio network technique field and the smart card techniques of digital TV field, relates in particular to a kind of smart card system that has the smart card of radio communication function and use this smart card.
Background technology
At present, national cable TV industry is being carried out the whole conversion of digitlization, and the development of Digital Television is imperative, and digital television intelligent card plays important key effect for the development of Digital Television.
Smart card is the computing chip that storage and computing function is arranged with, is embedded on the plastic cards of a name cards size, and it follows ISO 7816 international standards, by the data in the card reader access chip.The major function of digital television intelligent card is safe storage, decrypt authorized and access rights, its storage inside has the relevant data message of user key, operator's essential information and other decrypt authorized, by COS (Chip Operating System, chip operating system) program response digital TV set-top box (STB, Set Top Box) order, finish the encryption and decryption computing of small data quantity again by built-in microcontroller, digital TV set-top box then is equivalent to card reader.
Please refer to Fig. 1, it is the basic structure block diagram of existing contact smart card, this contact intelligent card mainly comprises contact 10, input/output interface (I/O) 11, microcontroller (MCU) 12, cryptographic calculation coprocessor (CAU) 13, electrically-erasable memory (EEPROM) 14, read-only memory (ROM) 15, random asccess memory (RAM) 16 and security logic (SL) 17, because digital television intelligent card has a built-in processor and an interface of communicating by letter with digital TV set-top box, and some integrated internal memories, therefore allow the operator to downloading data from intelligent card and application, thereby just require digital television intelligent card must have the fail safe of height, can not visit the service of all kinds of business items of digital television system to guarantee unwarranted user.
Cable television digitalization makes business, the operation mode of whole cable TV that revolutionary variation take place, but most of cable TV networks are not also finished bidirectional rebuilding, digital television intelligent card generally only works in Passive Mode, the control request that set-top box is sent is replied, as Fig. 2, shown in Figure 3, therefore, existing network only can satisfy the transmission of basic broadcast TV program, and how carrying out interactive service, solving the return path problem is a current important topic.
On the other hand, radio network technique is fast-developing, and at present, radio network technique mainly can be divided into IrDA infrared technology, IEEE 802.11b protocol technology, Home RF agreement, Bluetooth technology and Zigbee technology.Though the IrDA infrared technique realizes that cost is very low, must the straight line sighting distance connect, limit too big; Transmission rate height, the connection device of IEEE 802.11b protocol technology are many, but its radio frequency and baseband protocol are more complicated, realize the cost height; Home RF agreement can't realize that cost is also higher with chip or module; Bluetooth technology belongs to the IEEE802.15 agreement, as a kind of low-power consumption, low data rate, technology cheaply, is very suitable for carrying out between the low-cost equipment of low data-rate transmission; And the ZigBee technology is a kind of being applied in the short-range, wireless network communication technique between the various electronic equipments under the low transmission data rate, and obtain people's attention more and more with the technical advantage of its low-power consumption, low cost, low complex degree, low rate.
In May, 1998, five tame well-known manufacturers such as Ericsson, Nokia, Toshiba, IBM and Intel have proposed Bluetooth technology (Bluetooth) when uniting the standardization activity of carrying out short-range wireless communication technologies, its aim provides a kind of short distance, wireless transmission application technology cheaply.
As everyone knows, Bluetooth technology is the short distance wireless communication technology standard of being united formulation by bluetooth SIG (Special Interest Group), its objective is and realize that the maximum data transmission rate 1Mb/s (the valid data transmission rate is 721kb/s), maximum transmission distance are 10 meters radio communication, and have following characteristics: work in the ISM band of 2.4GHz, need not the demand frequency licence; Adopt the fast frequency-hopped technology of 1600hop/s; Adopt forward error correction coding (FEC) technology; Adopt the FM modulation system, equipment is simple; Support point-to-point, point-to-multipoint communication; Protocol architecture is complete, fully supports existing upper-layer protocol; Equipment volume is little, is easy to carry or moves, and is with low cost.Home furnishings intelligent network based on Bluetooth technology is to replace cable with in-plant wireless communication technology, makes up intelligentized radio house network.
Bluetooth adopts wireless technologys such as fast frequency-hopped and time division multiple access to replace cable, and the radio switch-in method of a kind of low cost, low-power consumption is provided.Simultaneously the simple and reliable realization characteristic of bluetooth provides strong support for the development of its system, and is widely used in numerous areas such as information household appliances, mobile phone, Embedded Application exploitation.
The utility model content
This case designer is thoughts on the active demand of Digital Television development and the advantage of wireless network communication technique, especially the advantage of short-distance wireless communication technology, a kind of smart card system that is applied to the smart card with radio communication function of digital TV field and uses this smart card is proposed, to solve the return path problem of digital TV network, for carrying out of interactive service provides a new platform.
The utility model provides a kind of smart card with radio communication function, this smart card comprises interface unit, judging unit, digital television intelligent card unit and wireless communication unit, wherein: described interface unit links to each other with digital TV set-top box, is used to receive the control command that described digital TV set-top box is sent; Described judging unit links to each other with described interface unit, be used to receive described control command, and judge the request type of this control command, when request type is the radio communication order, be transmitted to wireless communication unit and handle, otherwise be transmitted to the digital television intelligent card cell processing; Described digital television intelligent card unit links to each other with described judging unit, is used to receive the control command that this judging unit is transmitted, and carries out function corresponding; Described wireless communication unit links to each other with described judging unit, is used to receive the control command of this judging unit forwarding or the communications command that external wireless communication equipment sends, and carries out radio communication function; Wherein, described wireless communication unit and described external wireless communication equipment are supported short-range wireless communication protocol simultaneously.
The utility model also provides a kind of use to have the smart card system of the smart card of radio communication function, this smart card system comprises digital TV set-top box and has the smart card of radio communication function, wherein: digital TV set-top box comprises: wireless data transmission unit is used for sending wireless communication data to external wireless communication equipment according to user's request by described smart card; And the wireless data receiving element, be used for receiving wireless communication data to digital TV set-top box by described smart card according to the request of external wireless communication equipment; The smart card that possesses radio communication function links to each other with described digital TV set-top box, is used for carrying out radio communication function or digital television intelligent card function according to the control command of digital TV set-top box.
The utility model has kept whole basic functions of the constant and digital television intelligent card of top-set hardware, realized the bidirectional data path of radio communication, for digital TV network return path problem provides a kind of solution thinking, for carrying out of interactive service provides platform.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of traditional contact intelligent card;
Fig. 2 is the work relationship schematic diagram of conventional smart card and set-top box;
Fig. 3 is the communication flow diagram of conventional smart card and set-top box;
Fig. 4 is the structured flowchart of the smart card of the utility model embodiment;
Fig. 5 writes the FB(flow block) of data to outside Wireless Telecom Equipment for the set-top box of the utility model embodiment;
Fig. 6 has the FB(flow block) of the smart card access set-top box of radio communication function by the present invention for the external wireless communication equipment of the utility model embodiment;
Fig. 7 is the flow chart of the utility model embodiment;
Fig. 8 is the logical construction block diagram of video on-demand system.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with embodiment and accompanying drawing, embodiment is described in further details to the utility model.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Core content of the present utility model is that the chip with radio communication function is combined with the digital television intelligent card chip, and be packaged in the conventional smart card, on the repertoire basis that keeps existing digital television intelligent card, realize the bidirectional data path of radio communication, by with external wireless communication equipment, interconnect as mobile communication terminal etc., carry out valued added applications.
Below in conjunction with the drawings and specific embodiments smart card and the smart card system with radio communication function of the present utility model is elaborated.
Please refer to Fig. 4, according to an embodiment of the present utility model, the smart card 41 with radio communication function of the present utility model comprises interface unit 411, judging unit 412, digital television intelligent card unit 413 and wireless communication unit 414, wherein:
Judging unit 412 links to each other with described interface unit 411, be used to receive described control command, and judge the request type of this control command, when request type is the radio communication order, be transmitted to wireless communication unit 414 and handle, handle otherwise be transmitted to digital television intelligent card unit 413.According to an embodiment of the present utility model, this judging unit 412 can pass through on-site programmable gate array FPGA (FieldProgrammable Gate Array) or application-specific integrated circuit ASIC (Application SpecificIntegrated Circuit) is realized, finish it and judge forwarding capability, for example, receive data from set-top box, when judging that request type is radio communication function, transmit data to wireless communication unit 414, when judging that request type is not radio function, transmit data to digital television intelligent card 413.According to another embodiment of the present utility model, this judging unit 412 can be contained in digital television intelligent card unit 413, make this digital television intelligent card unit 413 on the original function basis of invariable, increase is to the arbitration functions of radio communication order, promptly after this digital television intelligent card unit 413 receives data from set-top box 40, when judging request, transmit data to wireless communication unit 414 for radio communication function.
Digital television intelligent card unit 413 links to each other with described judging unit 412, be used to receive the control command that this judging unit 412 is transmitted, carry out function corresponding, this digital television intelligent card unit 413 mainly is each the top function that is used to realize traditional digital television intelligent card, as stated in the Background Art, do not repeat them here.Interface between itself and the judging unit 412 can be realized by the interface that meets the ISO7816 agreement, but not limit.
The smart card that possesses radio communication function 41 according to the utility model the foregoing description has promptly constituted the smart card system that possesses radio communication function of the present utility model with combining of digital TV set- top box 40,40 needs of digital TV set-top box that constitute the smart card system that possesses radio communication function of the present utility model are on the original function basis of invariable, increasing the transmission of wireless data and the wireless data transmission unit and the wireless data receiving element of receiving function gets final product, its command format meets ISO 7816 agreements equally, carries out transfer of data by the interface unit 411 with the smart card 41 that possesses radio communication function.Wherein wireless data transmission unit is used for sending wireless communication data to external wireless communication equipment 42 according to user's request by the described smart card 41 that possesses radio communication function, and the wireless data receiving element then is used for receiving wireless communication data to digital TV set-top box 40 according to the request of external wireless communication equipment 42 by the described smart card 41 that possesses radio communication function.
Be combined into example with Bluetooth technology and smart card techniques below, and in conjunction with the accompanying drawings and embodiments the communication process of smart card system of the present invention described.In this embodiment, wireless communication unit 414 is a bluetooth module, and the smart card that possesses radio communication function is a Bluetooth intelligent card.
Embodiment one, and digital TV set-top box writes data to outside bluetooth equipment, please refer to Fig. 5, Fig. 7:
At first, set-top box provides the function of using the Bluetooth transmission specific data to the user, specific data wherein can be any form, for example be stored in binary file or bitmap file in the set-top box, after the user selects the Bluetooth transmission file, set-top box prompting user opens outside bluetooth equipment, the outside bluetooth equipment of this moment works in holotype, initiate search command, bluetooth module on the Bluetooth intelligent card works in from pattern, the response search command, after the bluetooth connection was set up in the process pairing, the user carried out Bluetooth transmission by definite key announcement machine top box;
Then, set-top box requires to carry out Bluetooth communication, by with 7816 interface blue-teeth data transmittings of Bluetooth intelligent card, the T=0 character agreement of data fit 7816, concrete form is as follows:
Wherein:
CLA: instruction type, 1Byte gets 0x5A.
INS: instruction code, 1Byte, having only low nibble is 0, and high nibble is neither 6 neither 9 o'clock effective.
P1, P2: the parameter byte, difference 1Byte, NS defines according to different I.
Lc:1Byte has defined the byte number of data, and span is from 1～255.
Le:1Byte points out to expect the maximum number of byte that returns.
Each Field Definition of bluetooth communication command is as follows:
Then, after judging unit (as digital television intelligent card or FPGA) receives blue-teeth data, when being judged as function of Bluetooth communication, the value of the data Data field that receives is transmitted to bluetooth module by serial ports (as the UART interface) according to command header;
After bluetooth module receives blue-teeth data, be forwarded on the outside bluetooth equipment of setting up the bluetooth connection, outside bluetooth equipment can be preserved and display file at once.
Embodiment two, and set-top box visit Bluetooth intelligent card please refer to Fig. 7:
The function and the operating process of set-top box visit Bluetooth intelligent card are constant, after blue-tooth intelligence is stuck in and receives order data, judge that its command header is not function of Bluetooth communication after, promptly carry out the original function operation, can not carry out data forwarding.
Embodiment three, and outside bluetooth equipment is visited digital TV set-top box by Bluetooth intelligent card, please refer to Fig. 6, Fig. 7:
At first, outside bluetooth equipment is initiated visit, after successfully connecting, sends data by outside bluetooth equipment to Bluetooth intelligent card;
Then, the bluetooth module of Bluetooth intelligent card receives above-mentioned blue-teeth data, by with the interface (as the UART interface) of judging unit (as digital television intelligent card or FPGA), it is transmitted to judging unit;
Judging unit (as digital television intelligent card or FPGA) receives above-mentioned blue-teeth data, provides resource access by the interface with set-top box to set-top box.
According to another embodiment of the present utility model, digital TV set-top box comprises that also a query unit links to each other with the smart card that this possesses radio communication function, be used for being at one's leisure the wireless communication data query State, constantly send querying command, when wireless communication data, this digital TV set-top box will be pointed out the user, and send read command according to user's operation, and data are shown to the user.
More clear and easy to understand for the Bluetooth intelligent card and the Bluetooth intelligent card system that make present embodiment, the example of enumerating two practical applications below is illustrated.
Use one: the mobile phone-downloaded electronic coupons
When the user watches television advertising, businessman can adopt the product of the discounting marketing tool popularization oneself of forms such as electronic coupons, this application aims is that the electronic coupons of the jpg picture format of two-dimension code are sent to user's mobile phone terminal from video screen, and the user can show these electronic coupons in the point of sale of businessman and finish the shopping behavior.Idiographic flow is as follows:
1. the user selects to download electronic coupons;
2. the user selects the bluetooth downloading mode;
3. set-top box prompting user sets up the required Step Information of bluetooth connection;
4. the user opens mobile phone bluetooth function, finishes required environment setting;
5. set-top box is returned the Bluetooth communication state information;
6. the user determines to carry out Bluetooth communication and communication data information;
7. set-top box sends the electronic coupons file to Bluetooth intelligent card;
8. user mobile phone receives electronic coupons, and to the set-top box return state;
9. set-top box prompting user's download success;
10. the electronic coupons opened on the mobile phone of user are determined correct;
11. the user goes to the point of sale to finish buying behavior.
Use two: the VOD video-on-demand service
Along with the transformation of simulated television to Digital Television, digital service scope and form that TV station provided increase greatly.Meanwhile, the online efficiency of transmission of cable TV HFC (Hybrid Fiber-Coax) improves greatly, makes that a large amount of bandwidth resources are saved, and the service of more personalized can be provided.The function of VOD (Video On Demand) video on-demand system is the order request at each user, broadcasts the program of his program request in the shortest time.And be based upon on the digital TV platform based on the VOD video on-demand system of Digital Television DVB-C (DigitalVideo Broadcasting-Cable) standard, combine the technology such as encoding and decoding, scrambling, transmission of Digital Television, realized the function of VOD system requirements on the net at cable TV HFC, than internet on the VOD system more can meet the demand of digital television station and TV user.
Front end VOD system mainly comprises program making, user management, program request reception, program broadcast, video server group, this several sections of system monitoring, as shown in Figure 8.
This application aims is to finish the return path of user's program request by Bluetooth intelligent card, the txt text formatting specifying information of user's program request (comprising program request time, IC-card number, program code etc.) is sent to user mobile phone, mobile phone is sent to the program request receiver module in note/multimedia message mode then, and returns information such as program request state and user charges to the user.Idiographic flow is as follows:
1. the user selects VOD service on set-top box;
2. the user selects bluetooth approach to return;
3. set-top box prompting user sets up the required Step Information of bluetooth connection;
4. the user opens mobile phone bluetooth function, finishes required environment setting;
5. set-top box is returned the Bluetooth communication state information;
6. the user determines to carry out the specifying information of bluetooth passback and program request;
7. set-top box transmits the specifying information of program request to user mobile phone;
8. user mobile phone is sent to program request with the program request specifying information and receives gateway;
9. the errorless back of program request receiver module checking user IP Information On Demand is to mobile phone return state and paying information;
10. mobile phone is transmitted return information to Bluetooth intelligent card;
11. the return information that set-top box reads in the Bluetooth intelligent card shows to the user;
12. finish program request.
In the application system of traditional set-top box visit smart card, only there are two kinds of equipment of set-top box and smart card.Set-top box is initiated visit as main control end to smart card, ISO 7816 agreements are followed in access control, set-top box is for smart card provides clock, signal such as reset, and sends service requesting information, and smart card as a passive end to control corresponding request reply.And for the smart card that possesses radio communication function of the present utility model, it has constructed a kind of novel business model, and the prerequisite of this pattern is to install a wireless communication protocol module on smart card additional, realizes the external wireless access function of smart card.The user can pass to the exterior terminal with radio communication function of supporting same agreement with the data on the Digital Television operation platform by the smart card that possesses radio communication function, on mobile phone, also can pass through the visit of the radio communication function initiation of mobile phone, for carrying out of two-way services application provides platform to set-top box.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (15)
1, a kind of smart card with radio communication function is characterized in that, this smart card comprises interface unit, judging unit, digital television intelligent card unit and wireless communication unit, wherein:
Described interface unit links to each other with digital TV set-top box, is used to receive the control command that described digital TV set-top box is sent;
Described judging unit links to each other with described interface unit, be used to receive described control command, and judge the request type of this control command, when request type is the radio communication order, be transmitted to wireless communication unit and handle, otherwise be transmitted to the digital television intelligent card cell processing;
Described digital television intelligent card unit links to each other with described judging unit, is used to receive the control command that this judging unit is transmitted, and carries out function corresponding;
Described wireless communication unit links to each other with described judging unit, is used to receive the control command of this judging unit forwarding or the communications command that external wireless communication equipment sends, and carries out radio communication function;
Wherein, described wireless communication unit and described external wireless communication equipment are supported short-range wireless communication protocol simultaneously.
2, the smart card with radio communication function according to claim 1 is characterized in that, described short-range wireless communication protocol comprises Bluetooth protocol, Zigbee technical protocol.
3, the smart card with radio communication function according to claim 1 is characterized in that, described judging unit is contained in described digital television intelligent card unit.
4, the smart card with radio communication function according to claim 1 is characterized in that, described judging unit is on-site programmable gate array FPGA or application-specific integrated circuit ASIC.
5, the smart card with radio communication function according to claim 1 is characterized in that, described interface unit meets the ISO7816 agreement.
6, the smart card with radio communication function according to claim 1 is characterized in that, described wireless communication unit links to each other by the UART interface with described judging unit.
7, the smart card with radio communication function according to claim 1 is characterized in that, described digital television intelligent card unit links to each other by the interface that meets the ISO7816 agreement with described judging unit.
8, the smart card with radio communication function according to claim 1 is characterized in that, described wireless communication unit is a bluetooth module, and described external wireless communication equipment is the mobile communication terminal with Bluetooth function.
9, a kind of use has the smart card system of the smart card of radio communication function, it is characterized in that, this smart card system comprises digital TV set-top box and the smart card with radio communication function, wherein:
Digital TV set-top box comprises:
Wireless data transmission unit is used for sending wireless communication data to external wireless communication equipment according to user's request by described smart card; And
The wireless data receiving element is used for receiving wireless communication data to digital TV set-top box according to the request of external wireless communication equipment by described smart card;
The smart card that possesses radio communication function links to each other with described digital TV set-top box, is used for carrying out radio communication function or digital television intelligent card function according to the control command of digital TV set-top box.
10, use according to claim 9 has the smart card system of the smart card of radio communication function, it is characterized in that, the described smart card that possesses radio communication function comprises interface unit, judging unit, digital television intelligent card unit and wireless communication unit, wherein:
Described interface unit links to each other with digital TV set-top box, is used to receive the control command that described digital TV set-top box is sent;
Described judging unit links to each other with described interface unit, be used to receive described control command, and judge the request type of this control command, when request type is the radio communication order, be transmitted to wireless communication unit and handle, otherwise be transmitted to the digital television intelligent card cell processing;
Described digital television intelligent card unit links to each other with described judging unit, is used to receive the control command that this judging unit is transmitted, and carries out function corresponding;
Described wireless communication unit links to each other with described judging unit, be used to receive the control command of this judging unit forwarding or the communications command that external wireless communication equipment sends, carry out radio communication function, this wireless communication unit and external wireless communication equipment are supported short-range wireless communication protocol simultaneously.
11, use according to claim 10 has the smart card system of the smart card of radio communication function, it is characterized in that, described short-range wireless communication protocol comprises Bluetooth protocol, Zigbee technical protocol.
12, use according to claim 9 has the smart card system of the smart card of radio communication function, it is characterized in that, described external wireless communication equipment comprises the mobile communication terminal with radio communication function.
13, use according to claim 10 has the smart card system of the smart card of radio communication function, it is characterized in that, described judging unit is contained in described digital television intelligent card unit.
14, use according to claim 10 has the smart card system of the smart card of radio communication function, it is characterized in that, described judging unit is on-site programmable gate array FPGA or application-specific integrated circuit ASIC.
15, use according to claim 9 has the smart card system of the smart card of radio communication function, it is characterized in that, described digital TV set-top box also comprises query unit, links to each other with described smart card, is used to inquire about wireless communication data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200803630U CN201188651Y (en) | 2008-04-30 | 2008-04-30 | Smart card with wireless communication function and smart card system using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200803630U CN201188651Y (en) | 2008-04-30 | 2008-04-30 | Smart card with wireless communication function and smart card system using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188651Y true CN201188651Y (en) | 2009-01-28 |
Family
ID=40311672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200803630U Expired - Lifetime CN201188651Y (en) | 2008-04-30 | 2008-04-30 | Smart card with wireless communication function and smart card system using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201188651Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958732A (en) * | 2009-07-17 | 2011-01-26 | 索尼公司 | System, method, and apparatus for data communication |
| CN102013000A (en) * | 2010-12-06 | 2011-04-13 | 苏州国芯科技有限公司 | Universal bank card reader |
| CN102496051A (en) * | 2011-12-02 | 2012-06-13 | 武汉天喻信息产业股份有限公司 | Mobile communication smart card supporting bluetooth |
| CN104081424A (en) * | 2012-01-31 | 2014-10-01 | 夏普株式会社 | Electronic coupon system |
-
2008
- 2008-04-30 CN CNU2008200803630U patent/CN201188651Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958732A (en) * | 2009-07-17 | 2011-01-26 | 索尼公司 | System, method, and apparatus for data communication |
| CN101958732B (en) * | 2009-07-17 | 2013-12-25 | 索尼公司 | System, method, and apparatus for data communication |
| CN102013000A (en) * | 2010-12-06 | 2011-04-13 | 苏州国芯科技有限公司 | Universal bank card reader |
| CN102496051A (en) * | 2011-12-02 | 2012-06-13 | 武汉天喻信息产业股份有限公司 | Mobile communication smart card supporting bluetooth |
| CN104081424A (en) * | 2012-01-31 | 2014-10-01 | 夏普株式会社 | Electronic coupon system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103365269B (en) | Based on intelligent appliance multi-mode long distance control system and the method for wireless sense network | |
| US8881204B2 (en) | Method for providing access to media content through a server | |
| CN103500399A (en) | Method, device and system about smart television payment | |
| CN102832976B (en) | NFC method and device | |
| CN202771602U (en) | Near field communication (NFC) remote-control unit, device and system | |
| CN104093218A (en) | Mobile internet of things built based on NFC technology and information exchange method thereof | |
| US20190356380A1 (en) | Method for acquiring access rights to conditional access content | |
| CN201188651Y (en) | Smart card with wireless communication function and smart card system using the same | |
| CN203279086U (en) | Television control system | |
| CN101510794A (en) | Method and browser for obtaining content and service from Bluetooth content server by a handhold mobile equipment | |
| CN102890766A (en) | Wireless communication subscriber system | |
| Nagashree et al. | Near field communication | |
| CN104869259A (en) | Information relay transmission system based on mobile terminals and relay transmission method thereof | |
| CN101800987A (en) | Intelligent card authentication device and method | |
| CN103037336A (en) | Short message transmission method of two-dimensional code | |
| CN201789599U (en) | Television capable of realizing wireless router | |
| CN103888264A (en) | Inter-mobile-phone data transferring method based on background data exchange, terminal and system | |
| CN101162496A (en) | Category message system based on bar-code recognizing | |
| CN204089848U (en) | A kind of television teaching system based on NFC | |
| CN104518952A (en) | Data processing method and device | |
| CN101296361A (en) | Method and device for paying by interactive television set-top box | |
| CN202549239U (en) | Museum subarea video guide system | |
| CN102761780A (en) | Method for obtaining media metadata by intelligent remote controller to | |
| CN104900044A (en) | Method and device for transmitting control information | |
| CN100499892C (en) | Mobile network real-time transmission storing method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090128 |
|
| CX01 | Expiry of patent term |