CN108108802A - Visible card and its remaining sum display methods - Google Patents
Visible card and its remaining sum display methods Download PDFInfo
- Publication number
- CN108108802A CN108108802A CN201711273788.3A CN201711273788A CN108108802A CN 108108802 A CN108108802 A CN 108108802A CN 201711273788 A CN201711273788 A CN 201711273788A CN 108108802 A CN108108802 A CN 108108802A
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- China
- Prior art keywords
- card
- chips
- visible
- visible card
- reading apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
- G06K19/07707—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual the visual interface being a display, e.g. LCD or electronic ink
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/0806—Details of the card
- G07F7/0846—On-card display means
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/0873—Details of the card reader
- G07F7/0893—Details of the card reader the card reader reading the card in a contactless manner
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention discloses a kind of visible card and its remaining sum display methods, can after completion of transactions show newest remaining sum.A kind of visible card, including：SE chips, for communicating to be traded with card-reading apparatus；Control module, it is electrically connected with the SE chips, it is instructed for establishing to send to the SE chips for a period of time after communication connection in the visible card and the card-reading apparatus for the APDU of reading balance amount, and for receiving the balance amount information that the SE chips return, described a period of time is more than the time that the SE chips complete transaction；Electronic ink screen is electrically connected with the control module, and the balance amount information for the control module to be received is shown.
Description
Technical field
The present invention relates to the communications field, the remaining sum display methods of more particularly to a kind of visible card and visible card.
Background technology
IC card is also known as integrated circuit card, IC card due to easy to carry, amount of storage be widely used in greatly finance, telecommunications,
Traffic, safety management and identification etc..In the prior art, in order to the information for storing IC card, as Igor Kanygin volume,
There is visual IC card at present in the displays such as user information（Abbreviation visible card）.By taking visual bank card as an example, card reader is connect by non-
Or POS machine sends specific APDU to the safety chip of visual bank card（Application Protocol Data Unit）It orders to realize various work(
Can, such as transaction, reading balance amount.As the SE of visual bank card（Finance）When safety chip completes transaction, it will not return to visual
Any information of MCU of bank card.Therefore, card can not read SE transaction after trading processing is complete and complete and return to merchandise to complete
Mark reading balance amount again.
The content of the invention
It, can be the object of the present invention is to provide a kind of visible card and its remaining sum display methods for above-mentioned technical problem
Newest remaining sum is shown after the completion of transaction.
In order to achieve the above objectives, a kind of technical solution that the present invention uses is as follows：
A kind of visible card, including：
SE chips, for communicating to be traded with card-reading apparatus；
Control module is electrically connected with the SE chips, for establishing latter section of communication connection in the visible card and the card-reading apparatus
Time sends to the SE chips and is instructed for the APDU of reading balance amount, and for receiving the remaining sum letter that the SE chips return
Breath, described a period of time are more than the time that the SE chips complete transaction；
Electronic ink screen is electrically connected with the control module, and the balance amount information for the control module to be received is shown
Show.
In some embodiments, the SE chips are communicated by Anneta module with the card-reading apparatus,
The Anneta module, for communicating with the card-reading apparatus and generating electric signal according to the magnetic signal of the card-reading apparatus.
In some embodiments, the visible card further includes：
Electric energy acquisition circuit is mutually electrically connected with the Anneta module, for the Anneta module is generated electric signal conversion after be
The visible card power supply.
In some embodiments, the electric energy acquisition circuit includes：
Rectification circuit, the electric signal for the Anneta module to be generated are converted to direct current；
Reset circuit is connected with the rectification circuit, for carrying out voltage stabilizing processing and in the voltage collected to the direct current
It is powered off during less than threshold values.
In some embodiments, the control module includes MCU.
A kind of technical solution that the present invention uses is as follows：
A kind of remaining sum display methods of visible card, includes the following steps：
S101, visible card enter card-reading apparatus magnetic field range；
S102, the SE of the visible card communicate to be traded with card-reading apparatus foundation, and obtain remaining sum after completion of transactions；
S103, the control module of visible card a period of time after the visible card and the card-reading apparatus establish communication connection
To the SE chips send for reading balance amount APDU instruct, described a period of time be more than the SE chips complete transaction when
Between；
S104, the SE chips, which are instructed in response to the APDU to the control module, returns to balance amount information；
S105, the control module receive the balance amount information of return and send it to the electronic ink screen of the visible card into
Row display.
In some embodiments, in step S105, balance amount information is often shown on the electronic ink screen, i.e. electronic ink
Balance amount information is shown always on water screen, until being updated after the completion of transaction next time.
In some embodiments, also there are following steps after step S105：
S106, the visible card leave the card-reading apparatus magnetic field range.
In some embodiments, this method further includes step：
S100, the time according to needed for the SE chips handle transaction are come described a period of time in configuration step S103.
The present invention is had the following advantages that compared with prior art using above scheme：
After the delay of a period of time, after SE chips have handled transaction, control module reads the remaining sum of SE chips again, can obtain
The newest remaining sum after transaction is got, so as to be shown on electronic ink screen.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described.It should be evident that the accompanying drawings in the following description is only some embodiments of the present invention, for this
It, without creative efforts, can also be according to these attached drawings by the present invention for the those of ordinary skill in field
Applied to other similar to scene.Unless being explained obviously or separately from language environment, identical label represents identical knot in figure
Structure and operation.
Fig. 1 is a kind of visible card and the non-schematic diagram for connecing card-reading apparatus according to the present invention；
Fig. 2 is the structure diagram according to a kind of visible card of the present invention；
Fig. 3 is the circuit diagram according to a kind of electric energy acquisition circuit of the present invention；
Fig. 4 is the flow chart according to a kind of visible card remaining sum display methods of the present invention.
In above-mentioned attached drawing,
1st, visible card；11st, SE chips；12、MCU；13rd, electronic ink screen；14th, Anneta module；15th, electric energy acquisition circuit；151、
Capacitance；152nd, rectification circuit；153rd, reset circuit；
2nd, card-reading apparatus；.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.
Embodiment 1
The present embodiment provides a kind of visible card, which is specially visual fiscard, such as bank card, mass transit card, mess card, gate inhibition
Card etc., with remaining sum display function.
With reference to shown in Fig. 1-2, the visible card 1, including：
SE chips 11（Secure Element, also known as financial security chip）, for communicating to be handed over card-reading apparatus 2
Easily；
Control module is specially MCU 12, is electrically connected with the SE chips 11, for being built in the visible card 1 and the card-reading apparatus 2
A period of time sends to the SE chips 11 and is instructed for the APDU of reading balance amount after vertical communication connection, and for receiving the SE
The balance amount information that chip 11 returns, described a period of time are more than the time that the SE chips 11 complete transaction；
Electronic ink screen 13 is electrically connected with the MCU 12, and the balance amount information for the MCU 12 to be received is shown.
As shown in Figure 1, the card-reading apparatus 2 is specially non-to connect card-reading apparatus, such as card reader, can also be POS machine etc..
APDU instruction according to visible card type and based on different agreements, such as correspond to the ISO-7816 of bank card
Agreement, corresponding to the SPI protocol or 15693 agreements of state's card.
The SE chips 11 communicate especially by Anneta module 14 with the card-reading apparatus 2.The Anneta module 14,
For communicating with the card-reading apparatus 2 and generating electric signal according to the magnetic signal of the card-reading apparatus.Anneta module 14 specifically may be used
Onboard coil is selected, the non-magnetic signal for connecing card-reading apparatus can be converted to electric signal.
The visible card 1 is specially passive visible card, is powered by 2 magnetic field of card-reading apparatus.The visible card 1 further includes electricity
Energy Acquisition Circuit 15, electric energy acquisition circuit 15 is electrically connected with 14 phase of Anneta module, for generate the Anneta module 14
Electric signal is powered after converting into the visible card 1.Specifically as shown in figure 3, electric energy acquisition circuit 15 includes capacitance 151, rectified current
Road 152 and reset circuit 153.Wherein, capacitance 151 and the Anneta module 14 form oscillating circuit, can connect card-reading apparatus by non-
In electromagnetic field field strength be converted into alternating current；Bridge rectifier can be used in rectification circuit 152, and the alternating current collected is converted
For 3.9-5.0V（It can be configured according to actual demand）Direct current；Reset circuit 153 includes voltage stabilizing chip and reset chip, rectification
For direct current after circuit conversion by voltage stabilizing chip, then by reset chip, the function of reset chip is when the voltage passed through is small
The not output current when threshold values of setting.Threshold values can be set according to the model of reset chip, generally 3.3-4.5V.It is logical
Cross using reset chip, can cut off the power when the voltage collected is less than threshold values, so as to ensure passive visible card from
It is powered off when opening card-reading apparatus magnetic field range；Visible card next time enter card-reading apparatus magnetic field range when can correctly power on.
Electric energy acquisition circuit 15 is connected to provide power supply for it with MCU 12.The MCU 12 is integrated with the electric ink
The driving of screen 13, MCU 12 can power in the case where there is power supply to SE chips 11 and electronic ink screen 13.
Embodiment 2
The present embodiment provides a kind of remaining sum display methods of visible card, include the following steps：
S101, visible card enter card-reading apparatus magnetic field range；
S102, the SE of the visible card communicate to be traded with card-reading apparatus foundation, and obtain remaining sum after completion of transactions；
S103, the control module of visible card a period of time after the visible card and the card-reading apparatus establish communication connection
To the SE chips send for reading balance amount APDU instruct, described a period of time be more than the SE chips complete transaction when
Between；
S104, the SE chips, which are instructed in response to the APDU to the control module, returns to balance amount information；
S105, the control module receive the balance amount information of return and send it to the electronic ink screen of the visible card into
Row display；
S106, the visible card leave the card-reading apparatus magnetic field range.
This method further includes step：
S100, the time according to needed for the SE chips handle transaction are come described a period of time in configuration step S103.
Specific in the remaining sum display methods of visual bank card, which is the nothing powered by card-reading apparatus magnetic field
Source visible card using electronic ink screen, shows the electronic cash balances information preserved in SE chips.As shown in figure 4, it is being handed over
Yi Shi, passive visible card connect card-reading apparatus close to non-, into the magnetic field range of card reader；SE chips are by Anneta module with reading
Card device establishes communication connection, is merchandised using ISO-14443 protocol processes, and SE chips obtain newest after merchandising after completion of transactions
Remaining sum is simultaneously updated and preserves；A period of time after passive visible card enters card reader magnetic field range and establishes communication connection
Interior, MCU is waited for, until after SE chips are enough to complete transaction and obtain newest remaining sum, is delayed by ISO-7816 agreements
It sends to SE chips and is instructed for the APDU of reading balance amount；SE chips are instructed in response to the APDU received, are returned to MCU newest
Balance amount information；MCU receives the balance amount information that SE chips return and is sent to electronic ink screen progress remaining sum and shows；Visible card leaves
Card-reading apparatus magnetic field range.Wherein, the length of described a period of time of delay can configure, and pass through the connection with being applied in SE chips
It adjusts, a period of time of delay is made to be more than the processing of SE chips and is merchandised the required time, i.e., after the completion of the transaction of SE chips, MCU is again
Read the remaining sum in SE chips.It should be noted that balance amount information is often shown on electronic ink screen, until transaction is completed next time
After be updated.
In the present embodiment, MCU can start to provide power supply to SE chips in the case where there is power supply.MCU outputs high level is simultaneously
The return of SE chips is waited, if for example, the information first character section returned is not 0x3b, MCU can interrupt next operation, directly
Driving electronic ink screen is connect to show " ERR 01 "；After it is 0x3b that SE chips, which return to first character section, by described a period of time
Delay, MCU sends APDU based on ISO-7816 agreements to SE chips and instructs.For example, it is instructed for the APDU of reading balance amount
For " 00a404000a42616c616e6365417070 ", APDU instruction send successfully after, MCU can be connected to for example " XX XX XX
The return instruction of XX XX ... .. "+" 9000 ", wherein XX XX XX XX XX ... .. represent data volume Data, last 9000
For SW（Conditional code）Instruction if the SW instructions returned can not interrupt next operation for 9000, MCU, drives electric ink
Screen display " ERR 02 "；If the SW instructions returned may proceed to send for 9000, MCU " 00b2000208 ", obtain similar "
The return information of 9f7906000000099990 "+" 9000 ", in MCU extraction return values " 099990 " is converted into 999.90
And electronic ink screen is driven to show " 999.90 ".
The non-card-reading apparatus that connects also is updated the remaining sum in SE chips using similar APDU instructions, in this process
SE chips can utilize Anneta module and the non-card reader that connects to interact, if MCU is allowed to go reading balance amount information in this process
Drawback that there are two meetings, MCU can consume the magnetic field energy during visible card antenna is interacted with card-reading apparatus, cause remaining sum write-in failure.
It reads at this time, the balance amount information in possible SE does not update, and it is not newest to cause the remaining sum read.The remaining sum of the present invention is shown
Show that method then avoids the above problem.
Newest remaining sum after merchandising is read the invention is intended to passive visible card.After certain time-delay, SE chips is waited to handle
Reading balance amount again after complete transaction, it is possible to read the newest remaining sum after transaction.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, its object is to ripe
Present disclosure can be understood and implement according to this by knowing the personage of technique, and the protection model of the present invention can not be limited with this
It encloses.The equivalent transformation or modification that all Spirit Essences according to the present invention are made, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of visible card, which is characterized in that including：
SE chips, for communicating to be traded with card-reading apparatus；
Control module is electrically connected with the SE chips, for establishing latter section of communication connection in the visible card and the card-reading apparatus
Time sends to the SE chips and is instructed for the APDU of reading balance amount, and for receiving the remaining sum letter that the SE chips return
Breath, described a period of time are more than the time that the SE chips complete transaction；
Electronic ink screen is electrically connected with the control module, and the balance amount information for the control module to be received is shown
Show.
2. visible card according to claim 1, which is characterized in that the SE chips are set by Anneta module and the Card Reader
It is standby to communicate,
The Anneta module, for communicating with the card-reading apparatus and generating electric signal according to the magnetic signal of the card-reading apparatus.
3. visible card according to claim 2, which is characterized in that the visible card further includes：
Electric energy acquisition circuit is mutually electrically connected with the Anneta module, for the Anneta module is generated electric signal conversion after be
The visible card power supply.
4. visible card according to claim 3, which is characterized in that the electric energy acquisition circuit includes：
Rectification circuit, the electric signal for the Anneta module to be generated are converted to direct current；
Reset circuit is connected with the rectification circuit, for carrying out voltage stabilizing processing and in the voltage collected to the direct current
It is powered off during less than threshold values.
5. visible card according to claim 1, which is characterized in that the control module includes MCU.
6. the remaining sum display methods of a kind of visible card, which is characterized in that include the following steps：
S101, visible card enter card-reading apparatus magnetic field range；
S102, the SE of the visible card communicate to be traded with card-reading apparatus foundation, and obtain remaining sum after completion of transactions；
S103, the control module of visible card a period of time after the visible card and the card-reading apparatus establish communication connection
To the SE chips send for reading balance amount APDU instruct, described a period of time be more than the SE chips complete transaction when
Between；
S104, the SE chips, which are instructed in response to the APDU to the control module, returns to balance amount information；
S105, the control module receive the balance amount information of return and send it to the electronic ink screen of the visible card into
Row display.
7. remaining sum display methods according to claim 6, which is characterized in that in step S105, balance amount information is in the electricity
It is often shown in sub- ink screen.
8. remaining sum display methods according to claim 6, which is characterized in that also there are following steps after step S105：
S106, the visible card leave the card-reading apparatus magnetic field range.
9. remaining sum display methods according to claim 6, which is characterized in that this method further includes step：
S100, the time according to needed for the SE chips handle transaction are come described a period of time in configuration step S103.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273788.3A CN108108802B (en) | 2017-12-06 | 2017-12-06 | Visual card and balance display method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273788.3A CN108108802B (en) | 2017-12-06 | 2017-12-06 | Visual card and balance display method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108108802A true CN108108802A (en) | 2018-06-01 |
| CN108108802B CN108108802B (en) | 2021-08-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273788.3A Active CN108108802B (en) | 2017-12-06 | 2017-12-06 | Visual card and balance display method thereof |
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Cited By (7)
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| CN109711519A (en) * | 2018-12-27 | 2019-05-03 | 江苏恒宝智能系统技术有限公司 | A kind of peripheral expansion method and fiscard based on financial chip |
| CN111797962A (en) * | 2020-06-22 | 2020-10-20 | 衡水海博云科技有限公司 | Passive visual card and working method thereof |
| CN112488274A (en) * | 2020-12-03 | 2021-03-12 | 杭州电子科技大学 | Intelligent card with screen and one-card-pass system |
| CN112598104A (en) * | 2021-03-03 | 2021-04-02 | 北京信通能创科技有限公司 | Visual card information display method and device, storage medium and computing equipment |
| CN113255865A (en) * | 2021-07-14 | 2021-08-13 | 飞天诚信科技股份有限公司 | Visual card and working method thereof |
| CN114372549A (en) * | 2021-12-23 | 2022-04-19 | 中国农业银行股份制有限公司云南省分行 | Electronic ink screen bank card |
| GB2615552A (en) * | 2022-02-10 | 2023-08-16 | Cool Partnership Ltd | Payment card and method |
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| CN113255865A (en) * | 2021-07-14 | 2021-08-13 | 飞天诚信科技股份有限公司 | Visual card and working method thereof |
| CN114372549A (en) * | 2021-12-23 | 2022-04-19 | 中国农业银行股份制有限公司云南省分行 | Electronic ink screen bank card |
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| WO2023152467A1 (en) * | 2022-02-10 | 2023-08-17 | Cool Partnership Limited | Payment card and method |
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|---|---|
| CN108108802B (en) | 2021-08-13 |
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