CN201449614U - Multimode card reader - Google Patents
Multimode card reader Download PDFInfo
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- CN201449614U CN201449614U CN2009200388168U CN200920038816U CN201449614U CN 201449614 U CN201449614 U CN 201449614U CN 2009200388168 U CN2009200388168 U CN 2009200388168U CN 200920038816 U CN200920038816 U CN 200920038816U CN 201449614 U CN201449614 U CN 201449614U
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- card reader
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- chip
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- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000015654 memory Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
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- QGLZXHRNAYXIBU-WEVVVXLNSA-N aldicarb Chemical compound CNC(=O)O\N=C\C(C)(C)SC QGLZXHRNAYXIBU-WEVVVXLNSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a multimode card reader which comprises a first antenna, a second antenna, four card reading chips, a memory cell, a singlechip and a communication interface, wherein the four card reading chips are the first, the second, the third and the fourth card reading chips; the first antenna is in electrical connection with the first and the second card reading chips respectively; the second antenna is in electrical connection with the third and the fourth card reading chips respectively; the output terminals of the first, the second, the third and the fourth card reading chips are respectively connected with the input terminal of the singlechip; and the singlechip is respectively connected with the memory cell and the communication interface. The Multimode card reader has the advantages of high universality, simple structure and low cost.
Description
Technical field
The utility model relates to a kind of multimode card reader, belongs to the technical field of electronics reader device.
Background technology
Non-contact IC card claims radio-frequency card again, be in the world recent years the IC-card industry development main trend.Raising along with living standards of the people, also be accompanied by simultaneously the more and more ripe of RFID technology, non-contact IC card has been applied to the every field in our life, at present, in the public transport ticketing, the subway ticketing, Car park payment, toll on the road and bridge and floating population's management, enterprises and institutions' inner management, fields such as school eduaction management, non-contact IC card has all occupied very big market, has made things convenient for people's life.
But along with increasing of IC-card application scenario, the kind of the card that is had in people's the wallet is also more and more, and the different card reader of different calorie requirements is discerned.Just present card reader on the market only limits to wherein a kind of smart card of identification, can not satisfy the read-write operation to all kinds of cards simultaneously, can take bigger space if a plurality of card reader are installed, and especially can't place especially in the time of limited space.And along with the upgrading of IC-card, after IC changed chip, original card reader will be ineffective, and resource is caused great waste.
The utility model content
The utility model purpose is the defective that exists at prior art: card reader is redundant to be used.Provide a kind of multimode card reader to make a card reader can discern multiple different smart card simultaneously.
The utility model adopts following technical scheme for achieving the above object:
The utility model multimode card reader, it is characterized in that comprising that first antenna and second antenna, four Card Reader chips are the first Card Reader chip to the, four Card Reader chips, storage unit, single-chip microcomputer and communication interface, wherein first antenna is electrically connected with the first Card Reader chip and second reading the core of the card sheet respectively, second antenna is electrically connected with third reading the core of the card sheet and the 4th Card Reader chip respectively, the output terminal of the first Card Reader chip to the, four Card Reader chips connects the input end of single-chip microcomputer respectively, and single-chip microcomputer is electrically connected with storage unit and communication interface respectively.
The utility model has following advantage and effect with respect to prior art:
(1) this multimode card reader has various modes IC-card and ID card read-write capability simultaneously.Because 90% IC-card all is to be operated in 125KHZ and 13.56MHZ on the market, so this multimode card reader can identify multiple on the market IC-card, has good compatibility.At present, the multimode card reader can be discerned on the market Mifare One S50 card, T5557 card, EM4469 card and SR176 card.
(2) break the monopolization in the card market that the unicity of original card reader brings, make each unit to select suitable kind of cards, needn't be subjected to the monistic restriction of original card reader according to the needs of oneself.
In the epoch that the IC-card technology innovation is maked rapid progress, make people avoid in the process of IC-card transition upgrading, saving cost because of changing IC-card and then needing to change the wasting of resources that card reader is brought.
Description of drawings
Fig. 1 is the utility model structural drawing.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to utility model:
As shown in Figure 1, a kind of multimode card reader, comprise first antenna 1 and second antenna 2, four Card Reader chips i.e. first Card Reader chip, 3 to the 4th Card Reader chips 6, storage unit 7, single-chip microcomputer 8 and communication interface 9, wherein first antenna 1 is electrically connected with the first Card Reader chip 3 and second reading the core of the card sheet 4 respectively, second antenna 2 is electrically connected with third reading the core of the card sheet 5 and the 4th Card Reader chip 6 respectively, the output terminal of the first Card Reader chip, 3 to the 4th Card Reader chips 6 connects the input end of single-chip microcomputer 8 respectively, and single-chip microcomputer 8 is electrically connected with storage unit 7 and communication interface 9 respectively.
Described multimode card reader also comprises display module 10, the input end of the output termination display module 10 of single-chip microcomputer 8.
Described multimode card reader also comprises sound module 11, the input end of the output termination sound module 11 of single-chip microcomputer 8.
The first above-mentioned antenna 1 and second antenna 2 interconnect by microstrip antenna and build-out resistor and form, and are used to transmit and receive signal, writing information in IC-card.Described radio-frequency receiving-transmitting antenna emission or the signal frequency that receives are consistent with the frequency of the IC-card that can discern.1 emission of first antenna or the radio frequency signal frequency that receives are 13.56MHZ, and 2 emissions of second antenna or the radio frequency signal frequency that receives are 125KHZ.
Said memory cells comprises the storer of microprocessor internal and Stand Alone Memory chip two parts of outside expansion, decides on the specific requirement of storage unit size.
The display module of above-mentioned multimode card reader is used for showing intuitively the running status of card reader or the information state in the IC-card.
The sound module of above-mentioned multimode card reader, the running status and the identification error that are used for pointing out card reader.
Above-mentioned card reader also comprises communication interface, can carry out data communication with outer computer.Below in conjunction with accompanying drawing this utility model is further elaborated:
Two antennas in the utility model correspond respectively to the IC-card of different frequencies, and the frequency of each antenna is corresponding with the frequency of the IC-card that can discern, can discern the various modes IC-card that is operated in 125KHZ and 13.56MHZ selectively.
Described microprocessor 8 is the embedded processing chips with strong arithmetic capability.Described storage unit 7 is non-volatile memories bodies, has the inside with microprocessor 8, also can expand to independently storage chip, is used for stores system parameters and transaction record data.Described four read-write chip are connected by standard with peripheral circuit, are responsible for the processing of different IC-card read-writes.Described read-write antenna is interconnected by microstrip antenna and matching capacitance to be formed, and is responsible for receiving and sending the radiofrequency signal of 13.56MHZ and 125KHZ respectively.
Principle of work of the present utility model:
This utility model adopts the central processing element of ATmega128 chip as the multimode card reader, in the section of reading 2 antennas in order to the Radio Frequency ID information that reads different frequency range are housed, be provided with a plurality of Card Reader chips in each antenna rear end, compare and discern in the server section according to the id information of being gathered, thereby carry out identity validation.
4 typical Card Reader chips correspond respectively to different IC-card chips in this multimode card reader, control by the communication initialization equipment of intermodule and according to effective access consideration of respective area and choose which Card Reader chip.Four kinds of Card Reader chips that adopted are respectively the MFRC500 of PHILIPS company, the Card Reader chip U2270B of CLRC632 and TEMIC company, the EM4095 of EM ELECTRONIC.MFRC500 and CLRC632 Card Reader chip can be discerned frequency of operation respectively at the S50 of 13.56MHZ card and SR176 card; U2270B and EM4095 Card Reader chip can be discerned frequency of operation respectively at the T5557 of 125KHZ card and EM4469 card.
Accessing step is as follows:
1. reset answer
Card sends it back for the request code of card reader and answer, and replys the request command of card reader.
2. anti-collision ring
The anti-collision ring can be read the sequence number of card.If several cards are arranged in the working range of card reader, card reader is distinguished them and each is selected wherein that a card (also being selection card) carries out next step operation by unique sequence number.Do not have selected card can get back to ready mode and wait for new request command.
3. selection card
Card reader uses the selection card order to choose wherein card, selects suitable Card Reader chip to confirm and the storer associative operation.Card returns Answer To Seect, and card reader can be determined the type of selected card by ATS.
4.3 wheel is confirmed
Chosen after the card, card reader has been pointed out the memory location that then will visit, uses corresponding key to carry out 3 then and takes turns affirmation.After successfully confirming, all storage operations are all maintained secrecy.
5. storage operation
Can carry out following any operation after confirming: memory read section, memory write section.Concrete function is as follows:
Subtract: subtract the content of memory section and the result is kept in the interim internal data register; Increase: increase the content of memory section and the result is kept in the data register; Recover: the content of memory section is moved on to data register; Transmit: in the content value of the writing memory section with interim internal data register.
6. auditory tone cues:
Use speech chip and driving circuit thereof to form sound module, by the voice messaging state of swiping the card.Can send the alarm that makes mistakes when getting nowhere when swiping the card; When swiping the card success, card reader sends the authorization prompt of " it is successful to swipe the card ".
7. information shows:
Display module adopts the charactron display mode to indicate card reading status, operating result and the card inner storag information of card reader.For example: when being used in identification, can on display screen, demonstrate the identity information of this IC-card stored, comprise name, sex, age etc.; Be used in consumption occasion the time, can show information such as the amount of money of this consumption and remaining sum.
8. host computer control:
Main frame sends instructions to the read-write of intact paired card of microprocessor or back-end data by the information of sound and display module.
Claims (3)
1. multimode card reader, it is characterized in that comprising first antenna (1) and second antenna (2), four Card Reader chips are that the first Card Reader chip (3) is to the 4th Card Reader chip (6), storage unit (7), single-chip microcomputer (8) and communication interface (9), wherein first antenna (1) is electrically connected with the first Card Reader chip (3) and second reading the core of the card sheet (4) respectively, second antenna (2) is electrically connected with third reading the core of the card sheet (5) and the 4th Card Reader chip (6) respectively, the first Card Reader chip (3) to the output terminal of the 4th Card Reader chip (6) connects the input end of single-chip microcomputer (8) respectively, and single-chip microcomputer (8) is electrically connected with storage unit (7) and communication interface (9) respectively.
2. multimode card reader according to claim 1, its feature also are to have comprised display module (10), the input end of the output termination display module (10) of single-chip microcomputer (8).
3. multimode card reader according to claim 1 and 2, its feature also are to have comprised sound module (11), the input end of the output termination sound module (11) of single-chip microcomputer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200388168U CN201449614U (en) | 2009-05-08 | 2009-05-08 | Multimode card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200388168U CN201449614U (en) | 2009-05-08 | 2009-05-08 | Multimode card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449614U true CN201449614U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200388168U Expired - Lifetime CN201449614U (en) | 2009-05-08 | 2009-05-08 | Multimode card reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241977A (en) * | 2018-03-27 | 2018-07-03 | 北京聚利科技股份有限公司 | Multifunctional vehicle mounted electronics terminal and vehicle toll collection system |
| CN110245533A (en) * | 2019-06-11 | 2019-09-17 | 北京聚利科技股份有限公司 | Tandem type card reader, card reading method, system and storage medium |
-
2009
- 2009-05-08 CN CN2009200388168U patent/CN201449614U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241977A (en) * | 2018-03-27 | 2018-07-03 | 北京聚利科技股份有限公司 | Multifunctional vehicle mounted electronics terminal and vehicle toll collection system |
| CN110245533A (en) * | 2019-06-11 | 2019-09-17 | 北京聚利科技股份有限公司 | Tandem type card reader, card reading method, system and storage medium |
| CN110245533B (en) * | 2019-06-11 | 2022-08-23 | 北京聚利科技有限公司 | Cascade type card reader, card reading method, system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |
|
| CX01 | Expiry of patent term |