CN103187996B - Based on data transmission method, the Apparatus and system of RFID - Google Patents
Based on data transmission method, the Apparatus and system of RFID Download PDFInfo
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- CN103187996B CN103187996B CN201110461611.2A CN201110461611A CN103187996B CN 103187996 B CN103187996 B CN 103187996B CN 201110461611 A CN201110461611 A CN 201110461611A CN 103187996 B CN103187996 B CN 103187996B
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Abstract
The invention discloses a kind of data transmission method based on RFID, Apparatus and system, described method comprises: the information of the radio frequency discrimination RFID card that the family terminal that bluetooth base receptacle carries rfid card sends; The information of described rfid card is sent to receiving equipment by bluetooth by described bluetooth pedestal.Compared to the prior art, the data transmission method based on RFID, Apparatus and system that the present invention proposes, can realize the information of rfid card to send to receiving equipment at a distance.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of data transmission method based on RFID, Apparatus and system.
Background technology
Radio frequency discrimination RFID (Radio Frequency Identification) technology, also known as electronic tag, radio frequency identification, it is a kind of contactless automatic identification technology, it automatically identifies destination object by radiofrequency signal and obtains related data, identification work need not manual intervention, can work in various adverse circumstances.RFID technique identifiable design high-speed moving object also can identify multiple label simultaneously, swift and convenient to operate.
Fig. 1 is the structural representation of rfid system in prior art.As shown in Figure 1, rfid system is made up of label, rfid interrogator and antenna.Wherein, the label in rfid system is made up of coupling element and chip, and each label has unique electronic code, and it is attached on object for identifying destination object; Rfid interrogator is used for reading (sometimes can also write) label information, can be designed to hand-hold type or fixed; Antenna in rfid system is used for transmitting radiofrequency signal between label and reader.The operation principle of rfid system is as follows: after the rfid card carrying label enters the electromagnetic field of rfid system, receive the radiofrequency signal of the characteristic frequency (13.56M or 2.4G) that rfid interrogator sends, rfid card is by means of the microchip circuit in the energy activated label obtained after the radiofrequency signal received, label information is converted to electromagnetic wave signal by described microchip circuit, then rfid interrogator is sent to, the electromagnetic wave signal received is decoded by rfid interrogator, is sent to application program and carries out relevant data processing.
In existing rfid system, the reading/writing distance between the non-connection module of RFID in rfid card and receiving equipment only has 3 to 6 centimetres, therefore limits it in a lot of place and uses.Such as, in managing system of car parking, when vehicle is when marching into the arena or appear on the scene, the non-connection module of RFID closely pressed close in receiving equipment carries out read-write operation by the user terminal carrying rfid card to need car owner, receiving equipment carries out payment processes according to the information of the rfid card received, and brings very large inconvenience like this to user.The information of rfid card cannot be realized in existing rfid system to send to receiving equipment at a distance.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of data transmission method based on RFID, and the information of rfid card can be realized to send to receiving equipment at a distance.
Another object of the present invention is to the data transmission device providing two kinds based on RFID, the information of rfid card can be realized to send to receiving equipment at a distance.
Another object of the present invention is to provide a kind of data transmission system based on RFID, and the information of rfid card can be realized to send to receiving equipment at a distance.
For achieving the above object, technical scheme of the present invention is achieved in that
Based on a data transmission method of RFID, comprising:
The information of the rfid card that the user terminal that bluetooth base receptacle carries radio frequency discrimination RFID card sends;
The information of described rfid card is sent to receiving equipment by bluetooth by described bluetooth pedestal.
A kind of bluetooth pedestal, comprising:
The non-connection module of RFID, for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, sends to bluetooth transceiver module by the information of described rfid card;
Described bluetooth transceiver module, for sending to receiving equipment by the information of the described rfid card received by bluetooth.
A kind of point of sale POS terminal, comprising:
Receiver module, user receives the information that bluetooth pedestal sends radio frequency discrimination RFID card, and the information of described rfid card is sent to authentication module;
Described authentication module, for judging whether the information of described RFID is kept in the information bank of the rfid card pre-set in advance, if so, rfid card authentication success, otherwise, rfid card authentification failure.
Based on a data transmission system of RFID, comprising:
Bluetooth pedestal, for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, sends to receiving equipment by the information of described rfid card;
Described receiving equipment, for receiving the information of the described rfid card that described bluetooth pedestal sends.
Visible, adopt technical scheme of the present invention, the information of described rfid card, after the information of rfid card receiving the user terminal transmission carrying rfid card, is sent to receiving equipment by bluetooth by bluetooth pedestal.Compared to the prior art, the data transmission method based on RFID, Apparatus and system that the present invention proposes, can realize the information of rfid card to send to receiving equipment at a distance; In addition, the method for the invention implements simple and convenient, is convenient to popularize.
Accompanying drawing explanation
Fig. 1 is the structural representation of rfid system in prior art.
Fig. 2 is the data transmission method flow chart that the present invention is based on RFID.
Fig. 3 is the method flow diagram that the present invention controls vehicle and marches into the arena.
Fig. 4 is the method flow diagram that the present invention controls vehicle appearance.
Fig. 5 is the structural representation of bluetooth pedestal of the present invention.
Fig. 6 is the structural representation of POS terminal of the present invention.
Fig. 7 is the structural representation of the data transmission system that the present invention is based on RFID.
Embodiment
For problems of the prior art, propose the data transmission method based on RFID, the Apparatus and system after a kind of improvement in the present invention, the information of rfid card can be sent to receiving equipment at a distance.
For make technical scheme of the present invention clearly, understand, to develop simultaneously embodiment referring to accompanying drawing, scheme of the present invention be described in further detail.
Fig. 2 is the data transmission method flow chart that the present invention is based on RFID.As shown in Figure 2, comprise the following steps:
Step 201, the information of the radio frequency discrimination RFID card that bluetooth base receptacle user terminal sends.
Bluetooth technology is the radiotechnics of a kind of support equipment communication (generally within 10 meters), can carry out wireless messages exchange comprising between numerous equipment such as mobile phone, PDA, wireless headset, notebook computer, related peripherals.Utilize Bluetooth technology effectively can simplify communication between mobile communication terminal device, also can communication successfully between simplified apparatus and internet, thus make transfer of data become efficient more rapidly.Bluetooth technology adopts distributed network structure and fast frequency hopping and short packet technology, supports point-to-point and point-to-multipoint delivery, is operated in 2.4GHz ISM (i.e. industry, science, the medical science) frequency range of global general-use.
In a particular embodiment of the present invention, the information of rfid card can comprise label information.Because each label has unique electronic code, therefore described label information may be used for identifying different user terminals.In this step, bluetooth pedestal sends the radiofrequency signal of characteristic frequency (13.56M or 2.4G), rfid card in user terminal is by means of the microchip circuit in the energy activated label obtained after receiving radiofrequency signal, label information is converted to electromagnetic wave signal by described microchip circuit, then sends to bluetooth pedestal.
In managing system of car parking, when the vehicle being provided with bluetooth pedestal enters parking lot, remote infrared equipment in managing system of car parking sends wake command to bluetooth pedestal, and bluetooth pedestal, after receiving wake command, is transformed into wake-up states from resting state.
Step 202, the information of rfid card is sent to receiving equipment by bluetooth by bluetooth pedestal.
In a particular embodiment of the present invention, the terminal equipment with Bluetooth function is called bluetooth equipment.When two bluetooth equipments before transmitting the data, two bluetooth equipments need to carry out pairing and connect, and two bluetooth equipments of communicating pair need when matching to use identical connection identifier foundation data cube computation between the two.Such as, described connection identifier can be pairing code.When two bluetooth equipment first times set up data cube computation, the connection identifier that user can be utilized to input sets up the data cube computation between two bluetooth equipments, and in bluetooth equipment, store above-mentioned connection identifier; After this, when two bluetooth equipments set up data cube computation again, again inputting connection identifier without the need to user, in order to being used in the connection identifier stored in bluetooth equipment, the data cube computation between two bluetooth equipments can be set up.In addition, for the bluetooth equipment not having inputting interface, when dispatching from the factory, general all pre-configured specific connection identifier (such as: 0000,1234 etc.) matches code by default.In this step, bluetooth pedestal can the pre-configured connection identifier for data cube computation, and user also can be allowed to input specific connection identifier.Particularly, bluetooth pedestal is after the information receiving the rfid card that user terminal sends, send broadcast signaling by bluetooth, search for the bluetooth equipment that can connect with this bluetooth pedestal, the bluetooth that bluetooth pedestal is set up between the bluetooth equipment detected by connection identifier is connected.
In a particular embodiment of the present invention, described receiving equipment can be point of sale POS terminal, and in this step, the information of rfid card is sent to POS terminal by bluetooth by bluetooth pedestal.In addition, bluetooth pedestal can adopt automatic connected mode, also can adopt artificial connected mode.When adopting automatic connected mode, automatic and POS terminal, after the information receiving the rfid card that user terminal sends, connect by bluetooth pedestal; When adopting artificial connected mode, bluetooth pedestal, after searching the bluetooth equipment that can connect with it, can be pointed out user to set up bluetooth and connect.In different use scenes, bluetooth pedestal also can be different, and such as, in on-vehicle Bluetooth system, this bluetooth pedestal can be on-vehicle Bluetooth pedestal; In boat-carrying Bluetooth system, this bluetooth pedestal can be boat-carrying bluetooth pedestal.
In addition, POS terminal can also in advance to bluetooth pedestal setting access rights, and POS terminal, after the information receiving the rfid card that bluetooth pedestal sends, judges described bluetooth pedestal whether Internet access, if so, then the information of the rfid card that described bluetooth pedestal sends is received; Otherwise, reject the information of the rfid card that described bluetooth pedestal sends.
And POS terminal, after the information receiving the rfid card that bluetooth pedestal sends, can also carry out certification to the information of rfid card.Particularly, POS terminal, after the information receiving the rfid card that bluetooth pedestal sends, judges whether the information of described rfid card has been kept in the information bank of the rfid card pre-set, if so, then and rfid card authentication success, otherwise, rfid card authentification failure.Wherein, the information bank of described rfid card can comprise the label information of rfid card.
According to above-mentioned description, by above-mentioned step 201 ~ 202, the information of rfid card can be realized to send to POS terminal at a distance, POS terminal is after the information receiving rfid card, can carry out payment processes according to the information of rfid card, making the user terminal carrying rfid card realize remote mobile payment becomes possibility.
Preferably, in managing system of car parking, the pedestal of described bluetooth pedestal mark can also be sent to POS terminal by bluetooth pedestal, described pedestal mark is sent to the vehicle management equipment in managing system of car parking by POS terminal, described vehicle management equipment, according to the corresponding relation of the pedestal mark set up in advance with vehicles identifications, carries out turnover field to the vehicle corresponding with vehicles identifications and controls.In a particular embodiment of the present invention, can further include step as described below:
Step 211, the pedestal of bluetooth pedestal mark is sent to POS terminal by bluetooth by bluetooth pedestal.
Parking lot management is the important component part of urban traffic control, Property Management of residence, is also the important indicator of Modern Urban Living level.In a particular embodiment of the present invention, in each automobile in described managing system of car parking, a bluetooth pedestal can be installed in advance, particularly, bluetooth pedestal can be arranged on the lower left of windshield, each bluetooth pedestal has a unique identification corresponding with described bluetooth pedestal, this pedestal mark can be pedestal ID, also can be other unique identifications.In this step, after bluetooth pedestal is waken up, pedestal mark is sent to POS terminal by bluetooth.
Step 212, pedestal mark is sent to vehicle management equipment by POS terminal.
In a particular embodiment of the present invention, vehicle management equipment can be the host computer in managing system of car parking, described host computer refers to the computer that directly can send operational order, generally PC, the screen of host computer can show the change of various signal, host computer employing asynchronous serial communication realizes the control to slave computer, and described slave computer refers to that direct control appliance obtains the computer of status of equipment, is generally single-chip microcomputer.Host computer sends operational order to slave computer, and slave computer resolves to corresponding time sequence signal according to this operational order and directly controls corresponding equipment.In this step, the pedestal received mark can be sent to the host computer in managing system of car parking by P0S terminal.
Step 213, vehicle management equipment is according to the corresponding relation of the pedestal mark set up in advance with vehicles identifications, and inquiry identifies corresponding vehicles identifications with pedestal.
In this step, described vehicles identifications can be the license plate number of automobile, also can be other marks of automobile.Due to a bluetooth pedestal can be installed in advance on each automobile, therefore, the corresponding relation of pedestal mark and vehicles identifications can be set up in advance, and pedestal mark is kept in vehicle management equipment with the corresponding relation of vehicles identifications, after vehicle management equipment receives the pedestal mark of bluetooth pedestal transmission, can according to the corresponding relation between pedestal mark and vehicles identifications, inquiry identifies corresponding vehicles identifications with described pedestal.
Step 214, vehicle management equipment, according to vehicles identifications, obtains the vehicles while passing field information corresponding with vehicles identifications.
In this step, when each automobile is when entering parking lot or leaving parking lot, vehicle management equipment can record the vehicles while passing field information corresponding with vehicles identifications.Such as, when the automobile that vehicles identifications is " 12345 " enters parking lot, be that the vehicles while passing field information of the automobile of " 12345 " is set to the information of marching into the arena by vehicles identifications at vehicle management equipment; When this automobile leaves parking lot, at vehicle management equipment, described vehicles while passing field information is set to out field information.In addition, if certain automobile first time enters this parking lot, owing to there is no to record the vehicles while passing field information corresponding with vehicles identifications in vehicle management equipment, described vehicles while passing field information can be set to sky.
Step 215, vehicle management equipment, according to vehicles while passing field information, carries out turnover field to the vehicle corresponding with vehicles identifications and controls.
In a particular embodiment of the present invention, vehicles while passing field information can be the information of marching into the arena of vehicle, also can be vehicle go out field information.In this step, vehicle management equipment is according to the information of marching into the arena of vehicle or go out field information, carries out turnover field control the vehicle corresponding with vehicles identifications.In a particular embodiment of the present invention, step 215 can have multiple implementation, and Fig. 3 is the method flow diagram that the present invention controls vehicle and marches into the arena.As shown in Figure 3, in a particular embodiment of the present invention, step 215 can be realized by step as described below:
Step 301, vehicle management equipment judges that whether the vehicles while passing field information corresponding with vehicles identifications be for going out field information, or vehicles while passing field information is empty; If so, step 302 is performed; Otherwise, perform step 303.
In this step, vehicle management equipment can preserve the corresponding relation between vehicles identifications and vehicles while passing field information in advance, vehicle management equipment is after inquiring vehicles identifications, can according to the corresponding relation between vehicles identifications and vehicles while passing field information, obtaining the vehicles while passing field information corresponding with vehicles identifications, judging that whether vehicles while passing field information is for going out field information, or vehicles while passing field information is empty, if so, step 302 is performed; Otherwise, perform step 303.
Step 302, vehicle management equipment sends to vehicle control apparatus control signal of marching into the arena.
In this step, vehicle management equipment can be the host computer in managing system of car parking, and vehicle control apparatus can be the slave computer in managing system of car parking.Particularly, the control that host computer can realize slave computer to slave computer transmit operation order, slave computer completes corresponding operation according to the operational order that host computer sends.In this step, after vehicle control apparatus receives the control signal of marching into the arena of vehicle management equipment transmission, open fence of marching into the arena, make vehicle to enter parking lot.
Step 303, vehicle management equipment sends alarm signal of marching into the arena.
In this step, if vehicles while passing field information can't not be field information, and vehicles while passing field information is not empty yet, then send at vehicle management equipment alarm signal of marching into the arena, the parking lot management personnel vehicles while passing field information corresponding with described vehicles identifications is pointed out to make a mistake.
According to above-mentioned description, by above-mentioned step 301 ~ 303, the parking lot management equipment pair vehicle corresponding with vehicles identifications can be realized and to march into the arena control.In addition, vehicle management equipment can also go out field information according to vehicle, carries out appearance control the vehicle corresponding with vehicles identifications.Fig. 4 is the method flow diagram that the present invention controls vehicle appearance.As shown in Figure 4, in a particular embodiment of the present invention, step 215 can also be realized by step as described below:
Step 401, vehicle management equipment judges whether vehicles while passing field information is the information of marching into the arena; If so, step 402 is performed; Otherwise, perform step 403.
Before this step, POS terminal can also according to the information of the rfid card received, charge accounting is carried out to the bank account corresponding with the information of rfid card, after POS terminal completes charge accounting, send clearing to vehicle management equipment and complete instruction, vehicle management equipment is after the clearing receiving POS terminal transmission complete instruction, can according to the corresponding relation between vehicles identifications and vehicles while passing field information, obtain the vehicles while passing field information corresponding with vehicles identifications, judge whether vehicles while passing field information is the information of marching into the arena, if so, step 402 is performed; Otherwise, perform step 403.
Step 402, vehicle management equipment sends appearance control signal to vehicle control apparatus.
In this step, vehicle management equipment can be the host computer in managing system of car parking, and vehicle control apparatus can be the slave computer in managing system of car parking.After vehicle control apparatus receives the appearance control signal of vehicle management equipment transmission, open appearance fence, make vehicle to leave parking lot.
Step 403, vehicle management equipment sends appearance alarm signal.
In this step, if vehicles while passing field information is not the information of marching into the arena, or vehicles while passing field information is empty, then vehicle management equipment sends appearance alarm signal, points out the parking lot management personnel vehicles while passing field information corresponding with described vehicles identifications to make a mistake.
The data transmission method based on RFID that the present invention proposes, the information of described rfid card, after the information of rfid card receiving the user terminal transmission carrying rfid card, is sent to POS terminal by bluetooth by bluetooth pedestal.Compared to the prior art, the data transmission method based on RFID that the present invention proposes, can realize the information of rfid card to send to POS terminal at a distance; In addition, the method for the invention implements simple and convenient, is convenient to popularize.
Fig. 5 is the structural representation of bluetooth pedestal of the present invention.As shown in Figure 4, comprising:
The non-connection module 501 of RFID, for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, sends to bluetooth transceiver module 502 by the information of described rfid card;
Described bluetooth transceiver module 502, for sending to receiving equipment by the information of the described rfid card received by bluetooth.
Further, described bluetooth pedestal also comprises:
Infrared wake module 503, for receiving the wake command that remote infrared equipment sends, sends to described bluetooth transceiver module 502 by described wake command;
Described bluetooth transceiver module 502, also for after receiving described wake command, is transformed into wake-up states from resting state.
Fig. 6 is the structural representation of POS terminal of the present invention.As shown in Figure 6, comprising:
Receiver module 601, user receives the information that bluetooth pedestal sends radio frequency discrimination RFID card, and the information of described rfid card is sent to authentication module 602;
Described authentication module 602, for judging whether the information of described RFID is kept in the information bank of the rfid card pre-set in advance, if so, rfid card authentication success, otherwise, rfid card authentification failure.
Fig. 7 is the structural representation of the data transmission system that the present invention is based on RFID.As shown in Figure 7, comprising:
Bluetooth pedestal 701, for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, sends to receiving equipment 702 by the information of described rfid card;
Described receiving equipment 702, for receiving the information of the described rfid card that described bluetooth pedestal sends.
The data transmission system based on RFID that the present invention proposes, the information of rfid card is sent to receiving equipment by bluetooth after receiving the information of the rfid card of the user terminal transmission carrying rfid card by the non-connection module of RFID.Compared to the prior art, the data transmission system based on RFID that the present invention proposes, can realize the information of rfid card to send to receiving equipment at a distance; In addition, the method for the invention implements simple and convenient, is convenient to popularize.
The specific works flow process of Fig. 5 and Fig. 6 shown device embodiment please refer to the respective description in embodiment of the method shown in Fig. 2, repeats no more.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (11)
1. based on a data transmission method of RFID, it is characterized in that, comprising:
Bluetooth pedestal sends the radiofrequency signal of characteristic frequency, rfid card in user terminal is by means of the microchip circuit in the energy activated label obtained after receiving radiofrequency signal, the information of rfid card is converted to electromagnetic wave signal by described microchip circuit, then sends to described bluetooth pedestal;
The information of the rfid card that the user terminal that bluetooth base receptacle carries radio frequency discrimination RFID card sends;
The information of described rfid card is sent to receiving equipment by bluetooth by described bluetooth pedestal.
2. method according to claim 1, is characterized in that, before the information of the rfid card of described bluetooth base receptacle user terminal transmission, also comprises:
The wake command that described bluetooth base receptacle remote infrared equipment sends;
Described bluetooth pedestal, after receiving described wake command, is transformed into wake-up states from resting state.
3. method according to claim 2, is characterized in that, described receiving equipment is point of sale POS terminal.
4. method according to claim 3, is characterized in that, also comprises:
Described POS terminal judges whether the information of described RFID is kept in the information bank of the rfid card pre-set in advance, if so, and rfid card authentication success, otherwise, rfid card authentification failure.
5. method according to claim 4, is characterized in that, also comprises:
The pedestal of described bluetooth pedestal mark is sent to described POS terminal by bluetooth by described bluetooth pedestal;
Described pedestal mark is sent to vehicle management equipment by described POS terminal;
Described vehicle management equipment is according to the corresponding relation of the described pedestal mark set up in advance with vehicles identifications, and inquiry identifies corresponding described vehicles identifications with described pedestal;
Described vehicle management equipment, according to described vehicles identifications, obtains the vehicles while passing field information corresponding with described vehicles identifications;
Described vehicle management equipment, according to described vehicles while passing field information, carries out turnover field to the vehicle corresponding with described vehicles identifications and controls.
6. method according to claim 5, is characterized in that, described vehicle management equipment, according to described vehicles while passing field information, is marched into the arena to the vehicle corresponding with described vehicles identifications and controlled, comprising:
A, described vehicle management equipment judge that whether vehicles while passing field information is for going out field information, or whether described vehicles while passing field information is empty, if so, performs step B, otherwise, perform step C;
B, described vehicle management equipment send to vehicle control apparatus control signal of marching into the arena;
C, described vehicle management equipment send alarm signal of marching into the arena.
7. method according to claim 5, is characterized in that, described vehicle management equipment, according to described vehicles while passing field information, carries out appearance to the vehicle corresponding with described vehicles identifications and controls, also comprise:
A, described vehicle management equipment judge whether vehicles while passing field information is the information of marching into the arena, and if so, perform step B, otherwise, perform step C;
B, described vehicle management equipment send appearance control signal to described vehicle control apparatus;
C, described vehicle management equipment send appearance alarm signal.
8. a bluetooth pedestal, is characterized in that, comprising:
The non-connection module of RFID, for sending the radiofrequency signal of characteristic frequency, make the rfid card in user terminal, by means of the microchip circuit in the energy activated label obtained after receiving radiofrequency signal, the information of rfid card is converted to electromagnetic wave signal, then send to described bluetooth pedestal; Also for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, the information of described rfid card is sent to bluetooth transceiver module;
Described bluetooth transceiver module, for sending to receiving equipment by the information of the described rfid card received by bluetooth.
9. bluetooth pedestal according to claim 8, is characterized in that, also comprise:
Infrared wake module, for receiving the wake command that remote infrared equipment sends, sends to described bluetooth transceiver module by described wake command;
Described bluetooth transceiver module, also for after receiving described wake command, is transformed into wake-up states from resting state.
10. a point of sale POS terminal, is characterized in that, comprising:
Receiver module, user receives the information that bluetooth pedestal sends radio frequency discrimination RFID card, and the information of described rfid card is sent to authentication module;
Described authentication module, for judging whether the information of described RFID is kept in the information bank of the rfid card pre-set in advance, if so, rfid card authentication success, otherwise, rfid card authentification failure.
11. 1 kinds based on the data transmission system of RFID, is characterized in that, comprising:
Bluetooth pedestal, for sending the radiofrequency signal of characteristic frequency, make the rfid card in user terminal, by means of the microchip circuit in the energy activated label obtained after receiving radiofrequency signal, the information of rfid card is converted to electromagnetic wave signal, then send to described bluetooth pedestal; Also for receiving the information of the rfid card of the user terminal transmission carrying radio frequency discrimination RFID card, the information of described rfid card is sent to receiving equipment;
Described receiving equipment, for receiving the information of the described rfid card that described bluetooth pedestal sends.
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| US10159044B2 (en) | 2013-12-09 | 2018-12-18 | GM Global Technology Operations LLC | Method and apparatus for controlling operating states of bluetooth interfaces of a bluetooth module |
| CN106160799A (en) * | 2015-02-16 | 2016-11-23 | 袁万文 | Possesses the RFID Bluetooth adapter of selectivity function |
| CN112396777A (en) * | 2020-10-12 | 2021-02-23 | 深圳市广和通无线股份有限公司 | Sales terminal control method, device and system and sales terminal |
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