CN203102433U - Magnetic card reader, point-of-sale (POS) machine and automatic teller machine (ATM) machine - Google Patents
Magnetic card reader, point-of-sale (POS) machine and automatic teller machine (ATM) machine Download PDFInfo
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- CN203102433U CN203102433U CN 201220694465 CN201220694465U CN203102433U CN 203102433 U CN203102433 U CN 203102433U CN 201220694465 CN201220694465 CN 201220694465 CN 201220694465 U CN201220694465 U CN 201220694465U CN 203102433 U CN203102433 U CN 203102433U
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Abstract
The utility model discloses a magnetic card reader, a point-of-sale (POS) machine and an automatic teller machine (ATM) machine, wherein the magnetic card reader comprises a giant magnetioresistive head, an amplifying circuit and a decoding circuit, wherein the giant magnetioresistive head is used to induce magnetic signals on a magnetic card and transforms the magnetic signals into electrical signals, and firstly the electrical signals are operated and amplified through the amplifying circuit, then are decoded and processed through the decoding circuit, and then are transported to a central processing unit (CPU). The giant magnetioresistive head comprises a plurality of ferromagnetic material layers and a plurality of non-ferromagnetic material layers, and the ferromagnetic material layers and the non-ferromagnetic material layers are alternately stacked to form a magnetic film. Compared with the prior art, the POS machine with the magnetic card reader and the ATM machine with the magnetic card reader are high in sensitivity and strong in anti-jamming capability, and further can record more data on the magnetic card simultaneously.
Description
Technical field
The utility model relates to the magnetic card reading device, relates in particular to a kind of magnetic card reading device based on the giant magnetoresistance principle, and the POS machine and the ATM that have this magnetic card reading device.
Background technology
Along with people exchange frequent day by day, money transaction is also more and more, so, people have to carry a large amount of cashes, this just brings a lot of unnecessary troubles to people, and the one, buckets of cash will cause and carry inconvenience, and the 2nd, carry buckets of cash and exist all risks, so various bank cards arise at the historic moment, these bank cards cooperate the card reader on POS machine or the ATM together to use usually.Existing bank card mainly contains three kinds of non-contact IC card, magnetic card and Contact Type Ic Cards, wherein, with being most widely used of magnetic card, magnetic card utilize the magnetic carrier record English with numerical information, it is used for identifying identity or makes other purposes.Three tracks are arranged on the existing magnetic card, Banking sector is before hair fastener, user's information is recorded on three tracks of magnetic card, and before writing data, the magnetic direction of magnetic particle is irregular on the magnetic track, after magnetic card writes data, as shown in Figure 3, the magnetic direction of each data area 3 on the magnetic track will be by unification, during user card punching, magnetic head in the card reader can be read the information that is write down on the magnetic track, transfers to processor and handles.
Magnetic head on the existing card reader is thin film inducted heads, magnetic head mainly utilizes electromagnetic induction principle and reads data on the magnetic card, this magnetic head is the magnetic core of a coiling, when the magnetic track on magnetic head and the magnetic card is close, can produce induction current on the magnetic head, because all there is a fixing magnetic direction each data area 3 of magnetic track, so will produce induction current with it accordingly on the magnetic head, on faradic direction, can judge what write down is logical zero or logical one.The card reader of this structure, because magnetic head is a thin film inducted heads, so when swiping the card, the induction current that this magnetic head produced is very little, cause the sensitivity of magnetic head lower, thereby restricted the packing density of magnetic track, cause the data capacity that on the magnetic track of unit area on the magnetic card, can write down smaller, if want to increase recorded data on the magnetic track, can only rely on the area that increases recording track.In addition, thin film inducted heads is subjected to external disturbance easily, produces wrong data read or causes reading failure.
Therefore existing card reader, it reads lower, the poor anti jamming capability of the sensitivity of data on magnetic card, and the accuracy of POS machine, ATM has been caused harmful effect.
The utility model content
The technical problems to be solved in the utility model is, a kind of magnetic card reading device based on the giant magnetoresistance principle is provided, and the POS machine and the ATM that have this magnetic card reading device, when adopting the said equipment to read data on magnetic card, not only highly sensitive, and antijamming capability is strong.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of magnetic card reading device based on the giant magnetoresistance principle, it includes a large reluctance magnetic head, an amplifying circuit and a decoding scheme, described large reluctance magnetic head is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit earlier, decipher processing by decoding scheme again, transfer to processor afterwards, described large reluctance magnetic head includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
Preferably, described large reluctance magnetic head includes the magnetic head body, and described magnetic head body is provided with three channels, the corresponding thin magnetic film of each channel.
A kind of POS machine, it includes: a processor, it is used for deal with data and reaches and the real-time communication of POS server; One data memory module, it is connected in processor, is used to store data; One power module, it is connected in processor, after being used for line voltage carried out voltage transitions, for complete machine provides power supply; One UPS battery module, it is connected in processor, and it is as the standby power supply of complete machine; One human-computer interaction module, it is connected in processor, is used for input and video data; One magnetic card reading device, it is connected in processor, be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head, one amplifying circuit and a decoding scheme, described large reluctance magnetic head is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit earlier, decipher processing by decoding scheme again, transfer to processor afterwards, described large reluctance magnetic head includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
Preferably, the large reluctance magnetic head in the described POS machine includes the magnetic head body, and described magnetic head body is provided with three channels, the corresponding thin magnetic film of each channel.
A kind of ATM, it includes: a processor, it is used for deal with data and reaches and the atm server real-time communication; One display screen, it is connected in processor, is used for video data; One key-press module, it is connected in processor, is used to import data; One paper money supplying module, it is connected in processor, is used to carry out the steering order of processor and the banknote that spues; One magnetic card reading device, it is connected in processor, be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head, one amplifying circuit and a decoding scheme, described large reluctance magnetic head is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit earlier, decipher processing by decoding scheme again, transfer to processor afterwards, described large reluctance magnetic head includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
Preferably, the large reluctance magnetic head in the described ATM includes the magnetic head body, and described magnetic head body is provided with three channels, the corresponding thin magnetic film of each channel.
The disclosed magnetic card reading device of the utility model, it has adopted large reluctance magnetic head, this large reluctance magnetic head comprises thin magnetic film, this thin magnetic film is made of a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer of alternately laminated setting, when the magnetic direction of the data area on the magnetic moment of thin magnetic film and the magnetic card was parallel, it had minimum resistance; When the magnetic direction of the data area on this thin magnetic film and the magnetic card is opposite, it has maximum resistance, in the practical application, for loading a constant DC, thin magnetic film presses, when user card punching, thin magnetic film produces electric current accordingly owing to changes in resistance, for example, when the resistance of thin magnetic film is maximum, it produces minimum current, when the resistance of thin magnetic film hour, it produces maximum current, and after these current signals amplified by amplifying circuit, judging the pairing data in each data area by decoding scheme again was logical zero or logical one, thereby produce a series of digital signal, at last these digital data transmission are for further processing to processor.In this magnetic card reading device, because having with the external magnetic field, the thin magnetic film of large reluctance magnetic head changes and its resistance variations characteristics greatly, so, the current signal of its reflection also produces significantly strong and weak the variation thereupon, and be not vulnerable to the interference of external magnetic field, make this current signal more clear accurately by the digital signal of amplifying and decipher after handling, thus the Card Reader sensitivity that has improved the magnetic card reading device.Therefore, the utility model compared to existing technologies, and is not only highly sensitive, and antijamming capability is strong, simultaneously, can also write down more data on magnetic card.
Description of drawings
Fig. 1 is the circuit block diagram of the disclosed magnetic card reading device of the utility model.
Fig. 2 is the one-piece construction synoptic diagram of large reluctance magnetic head.
Fig. 3 writes magnetic direction synoptic diagram after the data for magnetic card.
Fig. 4 is the circuit block diagram of the disclosed POS machine of the utility model.
Fig. 5 is the circuit block diagram of the disclosed ATM of the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is done more detailed description.
Embodiment one:
A kind of magnetic card reading device based on the giant magnetoresistance principle is proposed in the present embodiment, as shown in Figure 1, it includes a large reluctance magnetic head 10, one amplifying circuit 20 and a decoding scheme 30, described large reluctance magnetic head 10 is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit 20 earlier, decipher processing by decoding scheme 30 again, transfer to processor 40 afterwards, described large reluctance magnetic head 10 includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
In the present embodiment, in conjunction with Figure 1 and Figure 2, described large reluctance magnetic head 10 includes magnetic head body 1, and described magnetic head body 1 is provided with three channels 2, each channel 2 corresponding thin magnetic film.
In the disclosed magnetic card reading device of the utility model, in conjunction with Fig. 1, Fig. 2 and shown in Figure 3, it has adopted large reluctance magnetic head 10, this large reluctance magnetic head 10 includes thin magnetic film, this thin magnetic film is made of a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer of alternately laminated setting, when the magnetic direction of the data area 3 on the magnetic moment of thin magnetic film and the magnetic card was parallel, it had minimum resistance; When the magnetic direction of the data area 3 on this thin magnetic film and the magnetic card is opposite, it has maximum resistance, in the practical application, for loading a constant DC, thin magnetic film presses, when user card punching, thin magnetic film produces electric current accordingly owing to changes in resistance, for example, when the resistance of thin magnetic film is maximum, it produces minimum current, when the resistance of thin magnetic film hour, it produces maximum current, and after these current signals amplified by amplifying circuit 20, judging each data area 3 pairing data by decoding scheme again was logical zero or logical one, thereby produce a series of digital signal, at last these digital data transmission are for further processing to processor, wherein, because magnetic head body 1 is provided with three channels 2, three magnetic tracks on the corresponding magnetic card of these three channels, 2 difference, thus realized gathering simultaneously the data message of being put down in writing on three magnetic tracks.In this magnetic card reading device, because having with the external magnetic field, the thin magnetic film of large reluctance magnetic head 10 changes and its resistance variations characteristics greatly, so, the current signal of its reflection also produces significantly strong and weak the variation thereupon, and be not vulnerable to the interference of external magnetic field, make this current signal more clear accurately by the digital signal of amplifying and decipher after handling, thus the sensitivity that has improved the magnetic card reading device.
Embodiment two:
Propose a kind of POS machine in the present embodiment, in conjunction with Fig. 1 and shown in Figure 4, it includes: a processor 40, and it is used for deal with data and reaches and 405 real-time communications of POS server; One data memory module 401, it is connected in processor 40, is used to store data; One power module 402, it is connected in processor 40, after being used for line voltage carried out voltage transitions, for complete machine provides power supply; One UPS battery module 403, it is connected in processor 40, and it is as the standby power supply of complete machine; One human-computer interaction module 404, it is connected in processor 40, is used for input and video data; One magnetic card reading device, it is connected in processor 40, be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head 10, one amplifying circuit 20 and a decoding scheme 30, described large reluctance magnetic head 10 is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit 20 earlier, decipher processing by decoding scheme 30 again, transfer to processor 40 afterwards, described large reluctance magnetic head 10 includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
In the present embodiment, in conjunction with Figure 1 and Figure 2, described large reluctance magnetic head 10 includes magnetic head body 1, and described magnetic head body 1 is provided with three channels 2, each channel 2 corresponding thin magnetic film.
Embodiment three:
Propose a kind of ATM in the present embodiment, in conjunction with Fig. 1 and shown in Figure 5, it includes: a processor 40, and it is used for deal with data and reaches and atm server 414 real-time communications; One display screen 411, it is connected in processor 40, is used for video data; One key-press module 412, it is connected in processor 40, is used to import data; One paper money supplying module 413, it is connected in processor 40, is used to carry out the steering order of processor 40 and the banknote that spues; One magnetic card reading device, it is connected in processor 40, be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head 10, one amplifying circuit 20 and a decoding scheme 30, described large reluctance magnetic head 10 is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit 20 earlier, decipher processing by decoding scheme 30 again, transfer to processor 40 afterwards, described large reluctance magnetic head 10 includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
In the present embodiment, in conjunction with Figure 1 and Figure 2, described large reluctance magnetic head 10 includes magnetic head body 1, and described magnetic head body 1 is provided with three channels 2, each channel 2 corresponding thin magnetic film.
In the disclosed magnetic card reading device of the utility model, because having with the external magnetic field, the thin magnetic film of large reluctance magnetic head 10 changes and also big characteristics of its resistance variations, so, the current signal of its reflection also produces significantly strong and weak the variation thereupon, and be not vulnerable to the interference of external magnetic field, make this current signal more clear accurately by the digital signal of amplifying and decipher after handling, thus the sensitivity that has improved the magnetic card reading device.Therefore, have the POS machine and the ATM of this magnetic card reading device, it is not only highly sensitive compared to existing technologies, and antijamming capability is strong, simultaneously, can also write down more data on magnetic card.
The above is the utility model preferred embodiment, is not limited to the utility model, all modifications of being made in technical scope of the present utility model, is equal to and replaces or improvement etc., all should be included in the scope that the utility model protects.
Claims (6)
1. magnetic card reading device, it is characterized in that, described magnetic card reading device includes a large reluctance magnetic head (10), one amplifying circuit (20) and a decoding scheme (30), described large reluctance magnetic head (10) is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit (20) earlier, decipher processing by decoding scheme (30) again, transfer to processor (40) afterwards, described large reluctance magnetic head (10) includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
2. magnetic card reading device as claimed in claim 1 is characterized in that, described large reluctance magnetic head (10) includes magnetic head body (1), and described magnetic head body (1) is provided with three channels (2), the corresponding thin magnetic film of each channel (2).
3. a POS machine is characterized in that, described POS machine includes:
One processor (40), it is used for deal with data and reaches and POS server (405) real-time communication;
One data memory module (401), it is connected in processor (40), is used to store data;
One power module (402), it is connected in processor (40), after being used for line voltage carried out voltage transitions, for complete machine provides power supply;
One UPS battery module (403), it is connected in processor (40), and it is as the standby power supply of complete machine;
One human-computer interaction module (404), it is connected in processor (40), is used for input and video data;
One magnetic card reading device, it is connected in processor (40), be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head (10), one amplifying circuit (20) and a decoding scheme (30), described large reluctance magnetic head (10) is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit (20) earlier, decipher processing by decoding scheme (30) again, transfer to processor (40) afterwards, described large reluctance magnetic head (10) includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
4. POS machine as claimed in claim 3 is characterized in that, described large reluctance magnetic head (10) includes magnetic head body (1), and described magnetic head body (1) is provided with three channels (2), the corresponding thin magnetic film of each channel (2).
5. an ATM is characterized in that, described ATM includes:
One processor (40), it is used for deal with data and reaches and atm server (414) real-time communication;
One display screen (411), it is connected in processor (40), is used for video data;
One key-press module (412), it is connected in processor (40), is used to import data;
One paper money supplying module (413), it is connected in processor (40), is used to carry out the steering order of processor (40) and the banknote that spues;
One magnetic card reading device, it is connected in processor (40), be used to read the data on the magnetic card, described magnetic card reading device includes a large reluctance magnetic head (10), one amplifying circuit (20) and a decoding scheme (30), described large reluctance magnetic head (10) is used to respond to the magnetic signal on the magnetic card and this magnetic signal is converted to electric signal, after this electric signal carries out the computing amplification by amplifying circuit (20) earlier, decipher processing by decoding scheme (30) again, transfer to processor (40) afterwards, described large reluctance magnetic head (10) includes a plurality of ferromagnetic material layers and a plurality of nonferromagnetic material layer, described ferromagnetic material layers and the alternately laminated setting of nonferromagnetic material layer and form thin magnetic film.
6. ATM as claimed in claim 5 is characterized in that, described large reluctance magnetic head (10) includes magnetic head body (1), and described magnetic head body (1) is provided with three channels (2), the corresponding thin magnetic film of each channel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694465 CN203102433U (en) | 2012-12-14 | 2012-12-14 | Magnetic card reader, point-of-sale (POS) machine and automatic teller machine (ATM) machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694465 CN203102433U (en) | 2012-12-14 | 2012-12-14 | Magnetic card reader, point-of-sale (POS) machine and automatic teller machine (ATM) machine |
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| Publication Number | Publication Date |
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| CN203102433U true CN203102433U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694465 Expired - Fee Related CN203102433U (en) | 2012-12-14 | 2012-12-14 | Magnetic card reader, point-of-sale (POS) machine and automatic teller machine (ATM) machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035065A (en) * | 2012-12-14 | 2013-04-10 | 深圳市新国都技术股份有限公司 | Magnetic card reading device, POS (Point Of Sale) machine and ATM (Automatic Teller Machine) |
| CN107077583A (en) * | 2014-09-26 | 2017-08-18 | 日本电产三协株式会社 | The control method of card reader and card reader |
| CN112540927A (en) * | 2020-12-18 | 2021-03-23 | 百富计算机技术（深圳）有限公司 | POS machine test method, POS machine test device, POS machine test terminal and storage medium |
-
2012
- 2012-12-14 CN CN 201220694465 patent/CN203102433U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035065A (en) * | 2012-12-14 | 2013-04-10 | 深圳市新国都技术股份有限公司 | Magnetic card reading device, POS (Point Of Sale) machine and ATM (Automatic Teller Machine) |
| CN107077583A (en) * | 2014-09-26 | 2017-08-18 | 日本电产三协株式会社 | The control method of card reader and card reader |
| CN107077583B (en) * | 2014-09-26 | 2020-05-12 | 日本电产三协株式会社 | Card reader and control method of card reader |
| CN112540927A (en) * | 2020-12-18 | 2021-03-23 | 百富计算机技术（深圳）有限公司 | POS machine test method, POS machine test device, POS machine test terminal and storage medium |
| WO2022127338A1 (en) * | 2020-12-18 | 2022-06-23 | 百富计算机技术（深圳）有限公司 | Pos machine testing method and device, testing terminal and storage medium |
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Granted publication date: 20130731 Termination date: 20191214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |