CN204242190U - Card reading device - Google Patents
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- CN204242190U CN204242190U CN201420734702.8U CN201420734702U CN204242190U CN 204242190 U CN204242190 U CN 204242190U CN 201420734702 U CN201420734702 U CN 201420734702U CN 204242190 U CN204242190 U CN 204242190U
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- 230000004044 response Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 21
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- 238000012360 testing method Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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Abstract
A card reading device is suitable for reading data on a card. The card reading device comprises a processing circuit, a clock generating circuit, a switching circuit and a card connecting interface circuit. The processing circuit generates a reset signal and a first clock signal, and the clock generating circuit generates a second clock signal. The switching circuit receives the first clock signal and the second clock signal and outputs an output clock signal. The card connection interface circuit receives the reset signal and is connected with the card. The switching circuit outputs the first clock signal or the second clock signal as an output clock signal to the card connection interface circuit, so that the processing circuit identifies the card as a first type card or a second type card according to a response message returned by the card in response to the reset signal.
Description
Technical field
The utility model creation relates to a kind of reader device, and in particular to a kind of reader device with card discriminating function.
Background technology
Public telephone is a kind of general and common communal facility, and the common people can be allowed in being away from home and calling under cannot using the situation of mobile communications device.Along with the progress of science and technology, public telephone now mostly possesses card-reading function, can card pay phone be referred to as, allow user can pay by integrated circuit card (Integrated Circuit Card, IC-card) expense dialed needed for public telephone.IC-card is a kind ofly will have the ic chip package of memory function, encryption function or information processing capability and be attached to the card formed in a sheet base.Figure 1A is known public telephone and the schematic diagram of IC-card.Please refer to Fig. 1, public telephone 10 possesses reader device 120.When user is for utilizing public telephone to call, after card 20 first can be inserted reader device 120 by user, then depending on card type and carry out follow-up operation.
In general, the IC-card that current card pay phone is commonly used has development phonecard comparatively early and starts general credit card in the recent period.Wherein, phonecard is the storage card not possessing arithmetic capability, and credit card is the micro-transaction card possessing arithmetic capability.Figure 1B is known public telephone and the block schematic diagram of IC-card.Please refer to Figure 1B, because phonecard is not identical with the card hardware setting of credit card and both each self-corresponding host-host protocols are also different, therefore which kind of type main system 110 card 20 must known in advance in reader device 120 of public telephone 10 is, provides corresponding electric signal to control card-reading apparatus 120 and carrys out access data according to the host-host protocol corresponding to needed for card 20 according to the type of card 20.Specifically, after card 20 is inserted reader device 120 by user, user need allow main system 110 can differentiate the type of card 20 by extra selection operation.Thus, not only the operation steps of public telephone is comparatively loaded down with trivial details and the processing time is longer, if cannot immediately provide correct electrical signal also will the power consumption of public telephone to be caused to rise.
Utility model content
In view of this, the utility model creation provides a kind of reader device, can the type of identification card voluntarily, starts ahead of time by this to read the time point of card and the operation steps simplifying user.
The utility model creation proposes a kind of reader device, and it is suitable for reading the data on card.This reader device comprises treatment circuit, clock generation circuit, commutation circuit and card connecting interface circuit.Treatment circuit produces reset signal and the first clock signal, and clock generation circuit produces second clock signal.Commutation circuit couples clock generation circuit and treatment circuit, receives the first clock signal and second clock signal, and exports a clock signal.The frequency diverse of the first clock signal is in the frequency of second clock signal.Card connecting interface circuit couples commutation circuit and treatment circuit, to receive reset signal and connecting card.Commutation circuit exports the first clock signal or second clock signal to card connecting interface circuit as clock signal, causes treatment circuit to be first kind card or Second Type card according to card in response to the response message identification card that reset signal returns.
In an embodiment of the utility model creation, above-mentioned reader device also comprises card testing circuit and power supply circuit.Card testing circuit couples above-mentioned card connecting interface circuit, and power supply circuit couples card testing circuit and above-mentioned treatment circuit.When card testing circuit detects the existence of card, card testing circuit exports enabling signal to power supply circuit, causes power supply circuit to supply power supply to treatment circuit.
In an embodiment of the utility model creation, above-mentioned card connecting interface circuit comprises the first slot and interface circuit.First slot is in order to the insertion of receives both cards, and interface circuit couples the first slot, commutation circuit and treatment circuit.Interface circuit receives clock signal and reset signal, and exports the card in above-mentioned clock signal and reset signal to the first slot.
In an embodiment of the utility model creation, above-mentioned card connecting interface circuit also comprises multiplexer and the second slot.This multiplexer is coupled between interface circuit and the first slot, and the second slot couples multiplexer.Second slot is in order to receive the insertion of another card, and the first slot or the second slot are optionally connected to interface circuit by multiplexer.
In an embodiment of the utility model creation, above-mentioned response message comprises synchronous format packets and an asynchronous format packets.
In an embodiment of the utility model creation, if above-mentioned commutation circuit using the first clock signal as clock signal and synchronous form grouping to be replied by card in response to reset signal time, treatment circuit judges that card is first kind card.
In an embodiment of the utility model creation, above-mentioned reset signal is the first kind reset signal of the transmission standard meeting first kind card, and card synchronously returns synchronous form grouping in response to first kind reset signal is converted to low level from high level.
In an embodiment of the utility model creation, if above-mentioned commutation circuit using second clock signal as clock signal and asynchronous format packets to be replied by card in response to reset signal time, treatment circuit judges that card is Second Type card.
In an embodiment of the utility model creation, above-mentioned reset signal is the Equations of The Second Kind reset signal of the transmission standard meeting Second Type card, and card replys asynchronous format packets after the waiting time in response to Equations of The Second Kind reset signal is high level from low transition.
In an embodiment of the utility model creation, the maximal value of above-mentioned stand-by period is the clock period of 40,000 second clock signals.
In an embodiment of the utility model creation, the length of above-mentioned synchronous form grouping is fixed value and is 32 bytes (byte).The length of asynchronous format packets is not fixed value, and the maximum length of asynchronous format packets is 33 bytes.
In an embodiment of the utility model creation, above-mentioned first kind card is storage card (Memory Card), and Second Type card is micro-transaction card (Microprocessor Card).
Based on above-mentioned, the reader device of the utility model creation can provide the different cards sheet clock signal that specification defines and reset signal, and the message format of the response message returned according to card voluntarily or message contents carry out the type of identification card.Base this, the card that the reader device that the utility model is created can determine insertion is voluntarily phonecard or credit card, and first by the data reading in card out, need do not distinguished the type of card by the main system of public telephone, start ahead of time by this to read the time point of card and the operation steps simplifying user.
The above-mentioned feature and advantage created for allowing the utility model can become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A is known public telephone and the schematic diagram of IC-card.
Figure 1B is known public telephone and the block schematic diagram of IC-card.
Fig. 2 is that this creates the block schematic diagram of the reader device of an embodiment.
Fig. 3 is that this creates the block schematic diagram of the public telephone system of an embodiment.
Fig. 4 is that this creates the process flow diagram of the card read method of an embodiment.
Fig. 5 A and 5B is that this creates the signal sequence schematic diagram of the reader device of an embodiment.
[symbol description]
10: public telephone
20,300,600,700: card
110,400: main system
120,200,500: reader device
210,510: clock generation circuit
220,520: treatment circuit
230,530: commutation circuit
240,540: card connecting interface circuit
30: public telephone system
541: interface circuit
542: multiplexer
543: the first slots
544: the second slots
550: power supply circuit
560: card testing circuit
Rst: reset signal
I/O: input/output signal
C1: the first clock signal
C2: second clock signal
Vcc: power supply
Cout: clock signal
DO
0, DO
1: synchronous form divides into groups
ATR: asynchronous format packets
T1: stand-by period
A1: undefined interval
S401 ~ S413: step
Embodiment
In order to make content of the present disclosure more easily be understood, below especially exemplified by the example that exemplary embodiment can be implemented really according to this as the disclosure.But the utility model creation is not limited only to illustrated multiple exemplary embodiment, wherein also allows suitable combination between exemplary embodiment.In addition, all may part, in graphic and embodiment, use the element/component/step of identical label, represent identical or like.
Fig. 2 is that this creates the block schematic diagram of the reader device of an embodiment.Please refer to Fig. 2, reader device 200 is suitable for reading the data on card 300.Reader device 200 comprises treatment circuit 220, clock generation circuit 210, commutation circuit 230 and card connecting interface circuit 240.Treatment circuit 220 produces reset signal Rst and the first clock signal C 1, be such as microprocessor (MCU), embedded controller (Embedded Controller, EC), Application Specific Integrated Circuit (Application Specific IntegratedCircuits, ASIC) or other possess the hardware circuit device of simple and easy arithmetic capability.
Clock generation circuit 210 produces second clock signal C2, and the frequency diverse of second clock signal C2 is in the frequency of the first clock signal C 1.Specifically reader device 200 can read first kind card according to the frequency of the first clock signal C 1, and reader device 200 can read Second Type card according to the frequency of second clock signal C2.In a creation embodiment, first kind card is the storage card (Memory Card) not possessing arithmetic capability, and Second Type card is the micro-transaction card (Microprocessor Card) possessing arithmetic capability.
In other words, first clock signal C 1 that can produce according to itself in order to the treatment circuit 220 of the control kernel as reader device 200 and the clock generation circuit 210 second clock signal C2 that provide and first kind card and Second Type card are carried out to the access of card data.Commutation circuit 230 couples clock generation circuit 210 and treatment circuit 220, receives the first clock signal C 1 and second clock signal C2, and exports a clock signal Cout.That is, commutation circuit 230 is in order to select the first clock signal C 1 or second clock signal C2 as the clock signal Cout being supplied to card 300.Commutation circuit 230 can be switch, multiplexer, logical circuit, or the element be made up of it, and this creation does not limit this.
Card connecting interface circuit 240 couples commutation circuit 230 and treatment circuit 220, to receive reset signal Rst and connecting card 300.When card 300 inserts reader device 200, card connecting interface circuit 240 will be mutually chimeric with card 300, to read the data that card 300 stores.In an embodiment of this creation, in order to allow reader device 200 can the type of identification card voluntarily, commutation circuit 230 exports the first clock signal C 1 or second clock signal C2 to card connecting interface circuit 240 as clock signal Cout, and the response message identification card 300 causing treatment circuit 220 to return in response to reset signal Rst according to card 300 is first kind card or Second Type card.
Furthermore, if when treatment circuit 220 provides reset signal Rst and clock signal Cout to meet the transmission standard of first kind card, passback is also met the response message of the transmission standard of first kind card by card 300.Similar, if when treatment circuit 220 provides reset signal Rst and clock signal Cout to meet the transmission standard of Second Type card, passback is also met the response message of the transmission standard of Second Type card by card 300.Base this, treatment circuit 220 can analyze the response message that card 300 returns according to input/output signal I/O, and identification card 300 belongs to first kind card or Second Type card according to this.Further, treatment circuit 220 can carry out identification card 300 according to the response time point of response message, the block length of response message or the packet format of response message and belongs to first kind card or Second Type card.
In order to clearer and detailed this creation of explanation, below especially exemplified by a specific embodiment.Fig. 3 is that this creates the block schematic diagram of the public telephone system of an embodiment.Please refer to Fig. 3, public telephone system 30 comprises main system 400, reader device 500, card 600 and card 700.Main system 400 is the control kernel of public telephone, in order to control the overall operation of public telephone.Main system 400 couples reader device 500, and reader device 500 is suitable for the insertion of receives both cards 600 and card 700 and the data read in card 600 and card 700.
Reader device 500 comprises clock generation circuit 510, treatment circuit 520, commutation circuit 530 and card connecting interface circuit 540, its function is similar with coupling the clock generation circuit 210 of relation to previous embodiment, treatment circuit 220, commutation circuit 230 and card connecting interface circuit 240 or to identical, does not repeat them here.With previous embodiment unlike, reader device 500 also comprises card testing circuit 560 and power supply circuit 550.Card testing circuit 560 couples card connecting interface circuit 540, in order to detect the insertion reader device 500 whether having card.Power supply circuit 550 couples card testing circuit 560 and treatment circuit 520, in order to provide voltage source Vcc.
In addition, card connecting interface circuit 540 comprises interface circuit 541, multiplexer 542, first slot 543 and the second slot 544.First slot is in order to the insertion of receives both cards 600, and interface circuit 541 couples the first slot 543, commutation circuit 530 and treatment circuit 520.Interface circuit receives clock signal Cout and reset signal Rst, and provides the card 600 in clock signal Cout and reset signal Rst to the first slot 543.Multiplexer 542 is coupled between interface circuit 541 and the first slot 543, and the second slot 544 couples multiplexer 542.Second slot 544 is in order to the insertion of receives both cards 700, and the first slot 543 or the second slot 544 are optionally connected to interface circuit 541 by multiplexer 542.
Need to illustrate in addition, the card 600 of the present embodiment inserts by user the card of public telephone, and it can be first kind card or Second Type card.Specifically, card 600 is such as belong to the phonecard of first kind card or belong to the credit card of Second Type card.In addition, card 700 is a kind of card performing safety certification.Specifically, card 700 can be the application safety module card (Secure Application Module Card, SAM card) of memory machine confidential information and process crypto-operation.By the second slot 544 SAM holding being entered reader device 500 and after the program of enabling, SAM card can integrate to perform the cryptographic functions such as various safety certifications with card-reading apparatus.
Fig. 4 is that this creates the process flow diagram of the card read method of an embodiment.The method of the present embodiment is applicable to the public telephone system 30 of Fig. 3, and namely each component of arranging in pairs or groups in Fig. 3 illustrates the detailed step of the present embodiment method below, please refer to Fig. 3 and Fig. 4.
First, when card 600 is inserted reader device 500 by user, in step S401, card testing circuit 560 detects the existence of card 600.In step S402, power supply circuit 550 opens the power supply of reader device 500, and treatment circuit 520 supply voltage power Vcc is to card 600.Furthermore, when card testing circuit 560 detects the existence of card 600, the exportable enabling signal of card testing circuit 560, to power supply circuit 550, causes power supply circuit 550 supply voltage power Vcc to treatment circuit 520.
It is worth mentioning that, the first kind card of the present embodiment is storage card and Second Type card is micro-transaction card, and the host-host protocol of first kind card is synchronous transmission and the host-host protocol of Second Type card is non-synchronous transmissions.Accordingly, response message also comprises synchronous format packets and an asynchronous format packets.That is, if card 600 is first kind card, the response message that card 600 is replied is synchronous form grouping.If card 600 is Second Type card, the response message that card 600 is replied is asynchronous format packets.
So in step S403, commutation circuit 530 exports the first clock signal C 1 to card 600 as clock signal Cout, and output belongs to the reset signal Rst of first kind reset signal to card 600.In step S404, treatment circuit 520 is analyzed input/output signal I/O to judge whether and is received synchronous form grouping.If step S404 is judged as YES, in step S405, treatment circuit 520 judges whether synchronous form grouping meets transmission standard corresponding to first kind card.If step S405 is judged as NO, in step S411, treatment circuit 520 notifies that exception occurs main system 400 card 600.If step S405 is judged as YES, in step S406, treatment circuit 520 identification card 600 is first kind card, and notifies that main system 400 card 600 is for first kind card.In step S407, the data in the transmission standard access card 600 that treatment circuit 520 direct basis first kind card is corresponding.
Fig. 5 A is that this creates the signal sequence schematic diagram of the reader device of an embodiment.Suppose that card 600 belongs to the phonecard in first kind card.Based on the host-host protocol corresponding to first kind card, if reader device 500 is for reading the data in card 600, reader device 500 need provide frequency such as the clock signal of 100kHz is to card 600, and provides the first kind reset signal of the transmission standard meeting first kind card to card 600.Please refer to Fig. 5 A, after treatment circuit 520 provides power source voltage Vcc to interface circuit 541, card 600 can receive the power source voltage Vcc that treatment circuit 520 provides.
When commutation circuit 530 using frequency be first clock signal C 1 of 100kHz as clock signal Cout and card 600 replys synchronous form grouping in response to reset signal Rst time, treatment circuit 520 can judge and determine that card 600 is as first kind card.As shown in Figure 5A, card 600 synchronously returns synchronous form grouping DO in response to reset signal Rst is converted to low level from high level
0, and at transmission synchronous form grouping DO
0continue afterwards to transmit synchronous form grouping DO
1.In one embodiment, based on the transmission standard corresponding to first kind card, synchronous form grouping DO
0, DO
1length can be fixed value and be 32 bytes (byte).
On the other hand, if step S404 is judged as NO, in step S408, commutation circuit 530 exports second clock signal C2 to card 600 as clock signal Cout, and output belongs to the reset signal Rst of Equations of The Second Kind reset signal to card 600.In step S409, treatment circuit 520 is analyzed input/output signal I/O to judge whether and is received asynchronous format packets.If step S409 is judged as NO, represents card 600 and do not belong to first kind card and also do not belong to Second Type card, is namely the type of card that reader device 500 does not receive for card 600.Therefore subsequent steps S411, treatment circuit 520 notifies that exception occurs main system 400 card 600.
In addition, if step S409 is judged as YES, in step S410, treatment circuit 520 judges whether asynchronous format packets meets transmission standard corresponding to Second Type card.If step S410 is judged as NO, in step S411, treatment circuit 520 notifies that exception occurs main system 400 card 600.If step S410 is judged as YES, in step S412, treatment circuit 230 identification card 600 is Second Type card, and notifies that main system 400 card 600 is for Second Type card.In step S413, treatment circuit 520 accesses the data in card 600 according to the transmission standard that Second Type card is corresponding.
Fig. 5 B is that this creates the signal sequence schematic diagram of the reader device of an embodiment.Suppose that card 600 belongs to the credit card in Second Type card.Therefore, if reader device 500 is for reading the data in card 600, reader device 500 need provide frequency such as the clock signal of 3MHz ~ 5MHz is to card 600, and provides the Equations of The Second Kind reset signal of the transmission standard meeting Second Type card to card 600.Please refer to Fig. 5 B, after treatment circuit 520 provides power source voltage Vcc to interface circuit 541, card 600 can receive the power source voltage Vcc that treatment circuit 520 provides.If commutation circuit 530 using frequency be the second clock signal C2 of 3MHz ~ 5MHz as clock signal Cout and card 600 replys asynchronous format packets ATR in response to reset signal Rst after stand-by period t1 time, treatment circuit 520 can judge and determine that card 600 is as Second Type card.
Furthermore, if card 600 is Second Type card, card 600 will return asynchronous format packets ATR in response to reset signal Rst is high level from low transition after stand-by period t1.For example, suppose the card format that the transmission standard of Second Type card defines for international smart card standard ISO-7816, then the length of asynchronous format packets ATR is not fixed value, and the maximum length of asynchronous format packets ATR is 33 bytes.In addition, the maximal value of stand-by period t1 is the clock period of 40,000 second clock signal C2.In addition, before treatment circuit 520 controls the change of reset signal Rst generation level, input/output signal I/O also comprises undefined region A1.
That is, after user inserts reader device 500 the card 600 belonging to Second Type, card performs the action of electric power starting (power-on) according to power source voltage Vcc, and after the stand-by period, sends asynchronous format packets ATR (Answer To Reset) to reader device 500 in response to reset signal Rst.Treatment circuit 520 analyzes this asynchronous format packets ATR, to obtain parameters information and the data transfer context of record inside card 600.It is worth mentioning that, treatment circuit 520 more can judge that the host-host protocol between card 600 and reader device 500 is asynchronous half-duplex character host-host protocol (T=0 host-host protocol) or asynchronous half-duplex segment transmission agreement (T=1 host-host protocol), to carry out the adjustment of traffic rate according to the parameter of asynchronous format packets ATR.
In sum, in the embodiment of this creation, when card inserts reader device, whether reader device can detect to have and insert card and export clock signal that differing transmission protocols defines with reset signal to card, thus the response message of replying according to card is voluntarily synchronous form divide into groups or asynchronous format packets to carry out delimiter card be first kind card or Second Type card.Thus, the hardware circuit of the reader device of public telephone and main system can be provided separately by this creation, allows the operating frequency of main system not need to draw high at the very start to reading card operating frequency, and reaches power saving and reduce the object of main system burden.Moreover, the operation steps that user operates public telephone can be simplified, to improve the operational convenience of public telephone.
Although the utility model creation with embodiment openly as above; so itself and be not used to limit the utility model creation; those skilled in the art are in the spirit and scope not departing from the utility model creation; when doing a little change and retouching, therefore the protection domain of the utility model creation is when being as the criterion depending on appended claims confining spectrum.
Claims (12)
1. a reader device, be suitable for reading the data on card, it is characterized in that, described reader device comprises:
Treatment circuit, produces reset signal and the first clock signal;
Clock generation circuit, produces second clock signal;
Commutation circuit, couples this clock generation circuit and this treatment circuit, and receive this first clock signal and this second clock signal, and export clock signal, wherein the frequency diverse of this first clock signal is in the frequency of this second clock signal; And
Card connecting interface circuit, couples this commutation circuit and this treatment circuit, to receive this reset signal, and connects this card,
Wherein, this commutation circuit exports this first clock signal or this second clock signal to this card connecting interface circuit as this clock signal, causes this treatment circuit to be first kind card or Second Type card according to this card in response to this card of response message identification that this reset signal returns.
2. reader device as claimed in claim 1, is characterized in that, also comprise:
Card testing circuit, couples this card connecting interface circuit; And
Power supply circuit, couples this card testing circuit and this treatment circuit,
Wherein, when this card testing circuit detects the existence of this card, this card testing circuit exports enabling signal to this power supply circuit, causes power supply circuit to supply power supply to this treatment circuit.
3. reader device as claimed in claim 1, it is characterized in that, wherein this card connecting interface circuit comprises:
First slot, in order to receive the insertion of this card; And
Interface circuit, couples this first slot, this commutation circuit and this treatment circuit, and to receive this clock signal and this reset signal, and clock signal and this reset signal are to this card in this first slot.
4. reader device as claimed in claim 3, it is characterized in that, wherein this card connecting interface circuit also comprises:
Multiplexer, is coupled between this interface circuit and this first slot; And
Second slot, couples this multiplexer, and in order to receive the insertion of another card, wherein this first slot or this second slot are optionally connected to this interface circuit by this multiplexer.
5. reader device as claimed in claim 1, is characterized in that, wherein this response message comprises synchronous form grouping and asynchronous format packets.
6. reader device as claimed in claim 5, it is characterized in that, if wherein this commutation circuit using this first clock signal as this clock signal and this card to return the grouping of this synchronous form in response to this reset signal time, this treatment circuit judges that this card is as this first kind card.
7. reader device as claimed in claim 6, it is characterized in that, wherein this reset signal is the first kind reset signal of the transmission standard meeting this first kind card, and this card synchronously returns the grouping of this synchronous form in response to this first kind reset signal is converted to low level from high level.
8. reader device as claimed in claim 5, it is characterized in that, if wherein this commutation circuit using this second clock signal as this clock signal and this card returns this asynchronous format packets in response to this reset signal time, this treatment circuit judges that this card is as this Second Type card.
9. reader device as claimed in claim 8, it is characterized in that, wherein this reset signal is the Equations of The Second Kind reset signal of the transmission standard meeting this Second Type card, and this card returns this asynchronous format packets after the waiting time in response to this Equations of The Second Kind reset signal is high level from low transition.
10. reader device as claimed in claim 9, it is characterized in that, wherein the maximal value of waiting time is the clock period of 40,000 these second clock signals.
11. reader devices as claimed in claim 5, is characterized in that, the length of wherein this synchronous form grouping is fixed value and is 32 bytes, and the length of this asynchronous format packets is not fixed value, and the maximum length of this asynchronous format packets is 33 bytes.
12. reader devices as claimed in claim 1, it is characterized in that, wherein this first kind card is storage card, and this Second Type card is micro-transaction card.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103218570 | 2014-10-20 | ||
| TW103218570U TWM494360U (en) | 2014-10-20 | 2014-10-20 | Card reading apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242190U true CN204242190U (en) | 2015-04-01 |
Family
ID=52771656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734702.8U Expired - Fee Related CN204242190U (en) | 2014-10-20 | 2014-11-28 | Card reading device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204242190U (en) |
| TW (1) | TWM494360U (en) |
-
2014
- 2014-10-20 TW TW103218570U patent/TWM494360U/en not_active IP Right Cessation
- 2014-11-28 CN CN201420734702.8U patent/CN204242190U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWM494360U (en) | 2015-01-21 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |