CN107679604A - A kind of identification card and RF system - Google Patents
A kind of identification card and RF system Download PDFInfo
- Publication number
- CN107679604A CN107679604A CN201710959436.7A CN201710959436A CN107679604A CN 107679604 A CN107679604 A CN 107679604A CN 201710959436 A CN201710959436 A CN 201710959436A CN 107679604 A CN107679604 A CN 107679604A
- Authority
- CN
- China
- Prior art keywords
- chip
- data
- master control
- control chip
- radio frequency
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 22
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
- G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
-
- 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
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
-
- 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
- G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
- G06K19/07754—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 arrangements for connecting the integrated circuit to the antenna the connection being galvanic
-
- 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
- G06K19/07773—Antenna details
- G06K19/07775—Antenna details the antenna being on-chip
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10257—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for protecting the interrogation against piracy attacks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention discloses a kind of identification card and its RF system, the identification card includes first antenna, radio frequency tag chip, Master control chip, encryption chip, Master control chip control bistable state screen is shown, the personal information of holder can be intuitively presented by possessing, and use two kinds of powering modes of wireless power and/or contact pattern, the identification card and its RF system of the present invention is encrypted and effectively prevents information leakage and be tampered, the identification card of the present invention can both use as label, it can be swiped the card again as gate inhibition, work attendance etc. uses, conveniently recycle and reuse, energy-conserving and environment-protective, simultaneously effective prevent information leakage and be tampered.
Description
Technical field
The present invention relates to field of radio frequency identification, and in particular to a kind of identification card and RF system.
Background technology
All it is much the state separated using label with access card, attendance card at present in enterprise's entrance guard management, one
Aspect is once blocked is inconvenient to carry and easily loses more, and on the other hand multiple card informations need to gather together easily to cause pipe
Reason is complicated.
Identification card uses radio frequency identification at present, RFID (Radio Frequency Identification) technology,
Also known as radio frequency identification, it is a kind of communication technology, specific objective can be identified by radio signals and reads and writes related data, and
Without establishing mechanical or optical contact between identifying system and specific objective.Generally use internal battery is powered, due to aobvious
Display screen can produce larger power consumption, have a strong impact on identification card service life, and usual identification card is not provided with display screen, nothing
The personal information of holder is intuitively presented in method.
The content of the invention
The technical problem that the purpose of the present invention solves, proposes a kind of identification card and RF system.
The invention provides a kind of identification card, the identification card includes first antenna, radio frequency tag chip, electricity
Source translation circuit, Master control chip, display module；
The Master control chip is respectively connecting to radio frequency tag chip, display module；
The display module is a power down display screen, and the display module is connected to Master control chip；The Master control chip
Control display module is shown, according to newest data, updates the data of display module；
The first antenna is used to carry out radio communication with radio-frequency card reader；
When the first antenna is close to the antenna of radio-frequency card reader, can be also used for coupling electric energy；
When the power converting circuit is used for first antenna close to the antenna of radio-frequency card reader, the energy of acquisition will be coupled
Stable voltage is transformed into as the Master control chip of identification card, radio frequency tag chip, display module power supply；
The radio frequency tag chip is used for the read-write operation that radio-frequency card reader is received by wireless communication mode, and stores and penetrate
The data of frequency card reader communication, concurrent interrupt signal are interrupted to Master control chip, the Master control chip response, close radio frequency mark
The radio-frequency modulations of the core of the card piece are signed, and read the communication data of radio frequency tag chip.
Further, the identification card also includes contact power supply interface, and the contact power supply interface is used to obtain
Supply voltage is taken as Master control chip, radio frequency tag chip, display module power supply；The radio frequency tag chip, Master control chip
Or display module obtain be electrically obtained from the output end of the power converting circuit or from the contact power supply interface from
Outside is powered.
The identification card that the invention described above provides, further, the identification card also includes encryption chip, described
Encryption chip is used to the data of Master control chip calculating the first data of formation are encrypted；
When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces a string of numbers
According to；
The Master control chip sends the data to the radio-frequency card reader of outside, and the radio-frequency card reader is calculated
The second data are formed, and the second data are sent to the Master control chip,
The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first number
According to, and the first data are sent to the Master control chip,
The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows
Radio-frequency card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control
Radio-frequency card reader outside coremaking piece refusal is to the read-write requests of radio frequency tag chip.
Further, present invention also offers another identification card, including first antenna, radio frequency tag chip, electricity
Source translation circuit, Master control chip, display module, contact power supply interface, encryption chip；
It can be electrically from contact that the radio frequency tag chip, Master control chip, encryption chip or display module, which obtain,
Powered or the output end of power converting circuit obtains.
The contact power supply interface be used for obtain supply voltage for Master control chip, radio frequency tag chip, encryption chip,
Display module is powered；
When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces a string of numbers
According to；
The Master control chip sends the data to the radio-frequency card reader of outside, and the radio-frequency card reader is calculated
The second data are formed, and the second data are sent to the Master control chip,
The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first number
According to, and the first data are sent to the Master control chip,
The Master control chip is used for the second number that data are calculated with outside radio-frequency card reader for the first data
According to being compared, control whether to be communicated with the radio-frequency card reader of outside according to comparative result,
The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows
Radio-frequency card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control
Radio-frequency card reader outside coremaking piece refusal is to the read-write requests of radio frequency tag chip.
Further, the contact power supply interface is connected to the feeder ear of the display module, and the display module is
One power down display screen, the display module are connected to Master control chip；The Master control chip control display module is shown, according to most
New data, update the data of display module.
Further, in the embodiment of the present invention, it may be preferable that the power down display screen is bistable state screen, the master control coremaking
Piece control bistable state screen is shown.
Further, the input of the power converting circuit is connected to first antenna, the power converting circuit it is defeated
Go out the feeder ear that end is respectively connected to the feeder ear of Master control chip, the feeder ear of radio frequency tag chip, encryption chip.
Further, in the embodiment of the present invention, it may be preferable that the power converting circuit is by current rectifying and wave filtering circuit and voltage stabilizing electricity
Road is formed, and the electric energy that current rectifying and wave filtering circuit transmits to first antenna carries out rectifying and wave-filtering, and mu balanced circuit is to the electricity after rectifying and wave-filtering
Pressure carries out voltage stabilizing processing, and the output of the mu balanced circuit is connected to the power supply of the feeder ear, radio frequency tag chip of Master control chip
End, the feeder ear of encryption chip.
It is corresponding, the invention provides a kind of RF system, the RF system include frequency read/write and
Identification card, the identification card are identification card as described above；
The frequency read/write includes the second antenna, radio frequency read-write system and contact interface；
The contact interface is connected with the contact power supply interface of identification card, for penetrating for the identification card
Frequency label chip, Master control chip, encryption chip power supply,
The Master control chip is used to enter row data communication with the radio frequency read-write card system of radio-frequency card reader；
The Master control chip is used for the first data with the radio frequency read-write card system of the frequency read/write to data
The second data being calculated are compared, and control whether to enter with the radio frequency read-write card system of radio-frequency card reader according to comparative result
Row communication；
When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces a string of numbers
According to；
The Master control chip sends the data to the radio frequency read-write system of radio-frequency card reader, the radio frequency read-write system
System, which calculate, forms the second data, and the second data are sent to the Master control chip,
The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first number
According to, and the first data are sent to the Master control chip,
The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows
Radio-frequency card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control
Radio-frequency card reader outside coremaking piece refusal is to the read-write requests of radio frequency tag chip.
Further, the input of the power converting circuit is connected to first antenna, the power converting circuit it is defeated
Go out the feeder ear that end is respectively connected to the feeder ear of Master control chip, the feeder ear of radio frequency tag chip, encryption chip, the radio frequency
It can be electrically to be powered from contact or electric that label chip, Master control chip, encryption chip or display module, which obtain,
The output end of source translation circuit obtains.
Further, in RF system described in the embodiment of the present invention, it may be preferable that the power converting circuit is by rectification
Filter circuit and mu balanced circuit are formed, and the electric energy that current rectifying and wave filtering circuit transmits to first antenna carries out rectifying and wave-filtering, mu balanced circuit
Voltage stabilizing processing is carried out to the voltage after rectifying and wave-filtering, the output of the mu balanced circuit is connected to the feeder ear of Master control chip, penetrated
The feeder ear of frequency label chip, the feeder ear of encryption chip.
By the identification card and RF system of the present invention, with prior art, following beneficial effect can be reached
Fruit：
(1) antenna of the antenna of identification card of the invention close to radio frequency read-write system, you can by coupling power taking, remove
Radio frequency tag chip power supply is given, power supply unit or chip can be needed with the Master control chip of identification card and display screen etc.
It is powered, is additionally provided with contact power supply interface, except using wireless power and communication mode, contact can also be used to supply
With communicating, two ways can work independently electricity, can avoid passing through antenna coupling electricity shortage and be powered and communicate, carry
High system reliability.
(2) display screen that identification card of the present invention is provided with, the personal information of holder can intuitively be presented.
(3) identification card of the present invention and its system, comprising an encryption chip, the Master control chip produce a string it is random
Data；Encryption chip, which calculate, forms the first data, and radio-frequency card reader parsing obtains the second data, compares the first data and the
Two data, if the first data are identical with the second data, allow radio frequency read-write system by the second antenna to the RF tag
Chip is written and read operation, and otherwise the radio-frequency card reader outside Master control chip refusal is to the read-write requests of radio frequency tag chip,
It effectively prevent the information-leakage of identification card and be tampered.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding invention, forms the part of the present invention, the present invention
Schematic description and description be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the principle schematic for the RF system that a kind of identification card of the embodiment of the present invention 1 is formed；
Fig. 2 is the principle schematic for the RF system that a kind of identification card of the embodiment of the present invention 2 is formed；
Fig. 3 is a kind of principle schematic of identification card of the embodiment of the present invention 3.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of identification card A is present embodiments provided, as shown in Figure 1, including first antenna 1, radio frequency tag chip
2nd, Master control chip 5, contact power supply interface 7, display module 6, encryption chip 8.
The contact power supply interface is used to obtain supply voltage for Master control chip 5, radio frequency tag chip 2, display mould
Block 6 and encryption chip 8 are powered；
The Master control chip 5 is respectively connecting to radio frequency tag chip 2, encryption chip 8；
The Master control chip 5 is used for the transmitting-receiving for producing burst of data and communication data；
The encryption chip 8 is used to provide AES for system, and data are encrypted into calculating forms the first data；
The Master control chip 5 is used for by the first data compared with the data of the radio-frequency card reader of outside, for controlling
Whether system is communicated with the radio-frequency card reader of outside；
The radio frequency tag chip 2 is used for the read-write operation of outside reception radio-frequency card reader, and stores radio-frequency card reader
The data of communication, concurrent interrupt signal are interrupted to Master control chip, the response of Master control chip 5, close RF tag the core of the card
The radio-frequency modulations of piece 2, and read the communication data of radio frequency tag chip 2；
The RF system being made up of the first identification card A, including the RF system are read including radio frequency
Device B and identification card A are write, the frequency read/write includes the second antenna 10 and radio frequency read-write system, and its operation principle is as follows：
When contact power supply interface 11 and contact power supply interface 7 are electrically connected, the radio frequency tag chip 2, encryption core
Piece 8 and Master control chip 5 are now in working condition；
The Master control chip 5 produces burst of data, and this string data is sent to radio frequency read-write card by the Master control chip 5
System 9, radio frequency read-write card system 9 carries out that the second data are calculated to this string data, and the second described data are issued into master
Control chip 5, while main controller chip 5 transmits data to encryption chip 8 and be calculated the first data, and will obtain
Second data comparison of the first data and radio frequency read-write card system 9, if the first data as the second data, radio frequency read-write card
System 9 can communicate to the data of Master control chip 5, complete the read-write to radio frequency tag chip 2, meanwhile, the basis of Master control chip 5
Newest data, update the data of display screen 6；If it is different to calculate data, forbid radio frequency read-write card system 9 and master control coremaking
The communication of piece 5.
Embodiment 2
The RF system that a kind of identification card A and radio-frequency card reader B are formed is present embodiments provided, such as accompanying drawing 2
It is shown, including the confession of first antenna 1, radio frequency tag chip 2, power converting circuit, Master control chip 5, encryption chip 8, contact
Electrical interface 7, display module 6, power converting circuit, the power converting circuit are used for first antenna 1 close to radio-frequency card reader
Antenna when, the energy that obtains will be coupled and change power supply needed for the inside of identification card into, while first antenna 1 can be with
Energy is obtained from the second antenna 10, is radio frequency tag chip 2, Master control chip 5, the offer power supply of display module 6.
In the present embodiment, it is preferred that the power converting circuit is made up of current rectifying and wave filtering circuit 3 and mu balanced circuit 4, rectification
The electric energy that filter circuit 3 is sent to first antenna 1 carries out rectifying and wave-filtering, and mu balanced circuit 4 is to the power supply electricity after rectifying and wave-filtering
Pressure carries out voltage stabilizing, ensures voltage range required inside identification card supply voltage.
The RF system being made up of the first identification card A, including the RF system are read including radio frequency
Device B and identification card A are write, the frequency read/write includes the second antenna 10 and radio frequency read-write system 9,
When contact power supply interface 7 and contact interface 11 are electrically connected, radio-frequency card reader B is the radio frequency tag chip
2 and Master control chip 5 power.
When radio frequency tag chip 2, Master control chip 5 and encryption chip 8 are in running order, radio frequency tag chip 2, master control
Coremaking piece 5 or display module 6, which obtain, electrically includes two kinds, first, first antenna 1 obtains energy from the second antenna 10, it is radio frequency
Label chip 2, Master control chip 5, display module 6 provide power supply, second, contact power supply interface 7 and the electricity of contact interface 11
Gas connects, and is powered from the direct power takings of radio-frequency card reader B for identification card A.
Its operation principle is as follows：
The Master control chip 5 sends radio frequency read-write card system 9 of the burst of data to radio-frequency card reader B, and the radio frequency is read
Card writing system 9, which to this string data calculate, forms the second data, and second data are issued into Master control chip 5, simultaneously
Main controller chip 5 is sent to encryption chip 8 to the data sent and calculated, and by the first obtained data and radio frequency read-write card
Second data comparison of system 9, if the first data, as the second data, the radio frequency read-write card system 9 can be to master control
The data of coremaking piece 5 communicate, and complete the read-write to radio frequency tag chip 2, meanwhile, Master control chip 5 is according to newest data, renewal
The data of display screen 6；If the first data and the second data are different, forbid radio frequency read-write card system 9 and Master control chip 5
Communication.
Embodiment 3
Present embodiments provide a kind of identification card, as shown in Figure 3, including first antenna 1, radio frequency tag chip 2,
Power converting circuit, Master control chip 5, display module 6, the power converting circuit are used for antenna 1 close to radio-frequency card reader
Antenna when, the energy that obtains will be coupled and change power supply needed for the inside of identification card into, while first antenna 1 can be with
Energy is obtained from antenna 10, including power supply is provided for radio frequency tag chip 2, Master control chip 5 and display module 6.
In the present embodiment, it is preferred that power converting circuit is made up of current rectifying and wave filtering circuit 3 and mu balanced circuit 4, rectifying and wave-filtering
Circuit 3 couples the electric energy sent to antenna 1 and carries out rectifying and wave-filtering, and mu balanced circuit 4 enters to the supply voltage after rectifying and wave-filtering
Row voltage stabilizing, ensure voltage range required inside identification card supply voltage, such as Master control chip 5, display module 6.
Its operation principle is as follows：
When first antenna 1 is close to the second antenna 10 of radio-frequency card reader, the energy that obtains will be coupled and change identification card into
Inside needed for power supply, while first antenna 1 can obtain energy from the second antenna 10, carry for radio frequency tag chip 2
Power supply source, radio frequency tag chip 2 and Master control chip 5 are now in working condition；
Radio frequency tag chip 2 completes cryptographic check by communication and radio frequency read-write card system 9, if password school
Failure is tested, radio frequency tag chip 2 can refuse the read-write requests with radio frequency read-write card system 9.If cryptographic check success, radio frequency
Read-write card system 9 is written and read operation to radio frequency tag chip 2, and last communication data is stored in into radio frequency label card chip
In 2, concurrent interrupt signal is to Master control chip 5；
The response of Master control chip 5 is interrupted, and closes the radio-frequency modulations of radio frequency label card chip 2, and reads radio frequency tag chip 2
Communication data, Master control chip 5 is by the information that can show of being converted into of communication data, and the information that can be shown is being shown
Module 6 is shown.Master control chip 5 can be again turned on the radio-frequency modulations of the RF tag of radio frequency tag chip 2, for the radio frequency of next time
The content update of label chip 2 and display module 6 is prepared.
When the distance between second antenna 10 of first antenna 1 and radio-frequency card reader exceedes certain distance, first antenna 1 is not
Electric energy is coupled from the second antenna 10 again, but in the present embodiment, display module 6 is a power down display screen, it is preferred that is bistable state
Screen.The display module is connected to Master control chip, and the Master control chip control bistable state screen is shown, including display module
Holding renewal needs to power, and after updating display content, display module still can intuitively obtain without power supply, user from display module
Relevant information.
The preferred embodiments of the present invention are description above described, it is to be understood that the present invention is not limited to above-mentioned implementation
Example, and the exclusion to other embodiment should not be regarded as.By the enlightenment of the present invention, those skilled in the art combine known or existing
The change that technology, knowledge are carried out also should be regarded as within the scope of the present invention.
Claims (9)
- A kind of 1. identification card, it is characterised in thatThe identification card includes first antenna, radio frequency tag chip, power converting circuit, Master control chip, display module；The Master control chip is respectively connecting to radio frequency tag chip, display module；The display module is a power down display screen, and the display module is connected to Master control chip；The Master control chip control Display module shows, according to newest data, updates the data of display module；The first antenna is used to carry out radio communication with radio-frequency card reader；When the first antenna is close to the antenna of radio-frequency card reader, can be also used for coupling electric energy；When the power converting circuit is used for first antenna close to the antenna of radio-frequency card reader, the energy conversion of acquisition will be coupled Voltage into stabilization is the Master control chip of identification card, radio frequency tag chip, display module are powered；The radio frequency tag chip is used for the read-write operation that radio-frequency card reader is received by wireless communication mode, and stores radio frequency reading The data of card device communication, concurrent interrupt signal are interrupted to Master control chip, the Master control chip response, close radio frequency label card The radio-frequency modulations of chip, and read the communication data of radio frequency tag chip.
- 2. identification card according to claim 1, it is characterised in thatThe identification card also includes contact power supply interface, and the contact power supply interface is used to obtain based on supply voltage Control chip, radio frequency tag chip, display module power supply；It is electrically from the output end of the power converting circuit that the radio frequency tag chip, Master control chip or display module, which obtain, Obtain or powered from the contact power supply interface from outside.
- 3. identification card according to claim 2, it is characterised in thatThe identification card also includes encryption chip, and the encryption chip is based on the data of Master control chip are encrypted Calculate and form the first data；When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces burst of data；The Master control chip sends the data to the radio-frequency card reader of outside, and the radio-frequency card reader carries out calculating formation Second data, and the second data are sent to the Master control chip,The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first data, and First data are sent to the Master control chip,The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows radio frequency Card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control coremaking Radio-frequency card reader outside piece refusal is to the read-write requests of radio frequency tag chip.
- 4. identification card according to claim 1, it is characterised in thatThe power down display screen is bistable state screen, and the Master control chip control bistable state screen is shown.
- 5. the identification card of zero-power according to claim 1, it is characterised in thatThe power converting circuit is made up of current rectifying and wave filtering circuit and mu balanced circuit, and current rectifying and wave filtering circuit transmits to first antenna Electric energy carries out rectifying and wave-filtering, and mu balanced circuit carries out voltage stabilizing processing, the output end of the mu balanced circuit to the voltage after rectifying and wave-filtering It is connected to the feeder ear of the feeder ear of Master control chip, the feeder ear of radio frequency tag chip, display module.
- A kind of 6. identification card, it is characterised in thatThe identification card includes first antenna, radio frequency tag chip, Master control chip, display module, contact and powers and connect Mouth and encryption chip；The Master control chip is respectively connecting to radio frequency tag chip, display module and encryption chip；The contact power supply interface is used to obtain supply voltage for Master control chip, radio frequency tag chip, encryption chip power supply；When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces burst of data；The Master control chip sends the data to the radio-frequency card reader of outside, and the radio-frequency card reader carries out calculating formation Second data, and the second data are sent to the Master control chip,The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first data, and First data are sent to the Master control chip,The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows radio frequency Card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control coremaking The read-write requests to radio frequency tag chip of radio-frequency card reader outside piece refusal；The display module is a power down display screen, and the display module is connected to Master control chip；The Master control chip control Display module shows, according to newest data, updates the data of display module.
- A kind of 7. RF system, it is characterised in thatThe RF system includes frequency read/write and identification card,The identification card is identification card as claimed in claim 3；The frequency read/write includes the second antenna, radio frequency read-write system and contact interface；The contact interface is connected with the contact power supply interface of identification card, is the radio frequency mark of the identification card Chip, Master control chip, encryption chip power supply are signed,The Master control chip is used to enter row data communication with the radio frequency read-write card system of radio-frequency card reader；When radio frequency tag chip, Master control chip, encryption chip obtain electric work, the Master control chip produces burst of data；The Master control chip sends the data to the radio frequency read-write system of radio-frequency card reader, and the radio frequency read-write system enters Row, which calculates, forms the second data, and the second data are sent to the Master control chip,The data are sent encryption chip by the Master control chip, and the encryption chip, which calculate, forms the first data, and First data are sent to the Master control chip,The Master control chip is used to calculate the radio frequency read-write card system of the first data and the frequency read/write to data To the second data be compared, according to comparative result control whether and the radio frequency read-write card system of the frequency read/write carry out Communication,The Master control chip compares the first data and the second data, if the first data are identical with the second data, allows radio frequency Card reader communicates to the Master control chip data, and is written and read operation to the radio frequency tag chip, otherwise master control coremaking Piece refuses read-write requests of the frequency read/write to radio frequency tag chip.
- 8. RF system according to claim 7, it is characterised in thatThe input of the power converting circuit is connected to first antenna, and the output end of the power converting circuit is respectively connected to lead The feeder ear of control chip, the feeder ear of radio frequency tag chip, the feeder ear of encryption chip, the radio frequency tag chip, master control It can be electrically to be powered from contact power supply interface or the output end of power converting circuit that coremaking piece or encryption chip, which obtain, Obtain.
- 9. RF system according to claim 8, it is characterised in thatThe power converting circuit is made up of current rectifying and wave filtering circuit and mu balanced circuit, and current rectifying and wave filtering circuit transmits to first antenna Electric energy carries out rectifying and wave-filtering, and mu balanced circuit carries out voltage stabilizing processing, the output end of the mu balanced circuit to the voltage after rectifying and wave-filtering It is connected to the feeder ear of the feeder ear of Master control chip, the feeder ear of radio frequency tag chip, encryption chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959436.7A CN107679604A (en) | 2017-10-16 | 2017-10-16 | A kind of identification card and RF system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959436.7A CN107679604A (en) | 2017-10-16 | 2017-10-16 | A kind of identification card and RF system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107679604A true CN107679604A (en) | 2018-02-09 |
Family
ID=61140326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710959436.7A Pending CN107679604A (en) | 2017-10-16 | 2017-10-16 | A kind of identification card and RF system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107679604A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851251A (en) * | 2018-08-20 | 2018-11-23 | 厦门盈趣科技股份有限公司 | A kind of electronic cigarette and its application method with identity recognition function |
| CN110321988A (en) * | 2018-03-31 | 2019-10-11 | 巍世科技有限公司 | Marker symbol hides storage and reading device in advance |
| CN111768523A (en) * | 2020-06-10 | 2020-10-13 | 福建新大陆通信科技股份有限公司 | CTID-based NFC intelligent door lock unlocking method, system, equipment and medium |
| CN112036527A (en) * | 2020-08-19 | 2020-12-04 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
| CN114186574A (en) * | 2021-12-14 | 2022-03-15 | 四川领歌智谷科技有限公司 | Intelligent student card communication method based on near field communication |
| CN114696875A (en) * | 2022-03-24 | 2022-07-01 | 台达电子企业管理（上海）有限公司 | Wireless communication device and control method thereof |
| CN112036527B (en) * | 2020-08-19 | 2024-06-07 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060006445A (en) * | 2004-07-16 | 2006-01-19 | 김용필 | Mobile telecommunication terminal having rf reader module |
| CN1731428A (en) * | 2004-08-04 | 2006-02-08 | 智慧光科技股份有限公司 | Cell-free display type IC card |
| CN201364581Y (en) * | 2009-03-13 | 2009-12-16 | 北京飞天诚信科技有限公司 | Equipment for realizing communication of contact type card and non-contact type reader |
| CN201387612Y (en) * | 2009-03-04 | 2010-01-20 | 北京市农林科学院 | Agricultural and animal product circulation supervising device |
| CN202795426U (en) * | 2012-08-22 | 2013-03-13 | 上海博应信息技术有限公司 | Secret key display electronic label |
| CN103400091A (en) * | 2013-07-04 | 2013-11-20 | 深圳市深信信息技术有限公司 | All-in-one card reader and agricultural product transaction equipment |
| CN105373820A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Ultra-high-frequency electronic label, reader-writer and ultra-high-frequency communication method of ultra-high-frequency electronic label and reader-writer |
| CN105512716A (en) * | 2015-12-29 | 2016-04-20 | 北京握奇智能科技有限公司 | Multifunctional IC card |
-
2017
- 2017-10-16 CN CN201710959436.7A patent/CN107679604A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060006445A (en) * | 2004-07-16 | 2006-01-19 | 김용필 | Mobile telecommunication terminal having rf reader module |
| CN1731428A (en) * | 2004-08-04 | 2006-02-08 | 智慧光科技股份有限公司 | Cell-free display type IC card |
| CN201387612Y (en) * | 2009-03-04 | 2010-01-20 | 北京市农林科学院 | Agricultural and animal product circulation supervising device |
| CN201364581Y (en) * | 2009-03-13 | 2009-12-16 | 北京飞天诚信科技有限公司 | Equipment for realizing communication of contact type card and non-contact type reader |
| CN202795426U (en) * | 2012-08-22 | 2013-03-13 | 上海博应信息技术有限公司 | Secret key display electronic label |
| CN103400091A (en) * | 2013-07-04 | 2013-11-20 | 深圳市深信信息技术有限公司 | All-in-one card reader and agricultural product transaction equipment |
| CN105373820A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Ultra-high-frequency electronic label, reader-writer and ultra-high-frequency communication method of ultra-high-frequency electronic label and reader-writer |
| CN105512716A (en) * | 2015-12-29 | 2016-04-20 | 北京握奇智能科技有限公司 | Multifunctional IC card |
Non-Patent Citations (1)
| Title |
|---|
| 陈英华: "《现代物流实训手册》", 武汉大学出版社, pages: 136 - 137 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110321988A (en) * | 2018-03-31 | 2019-10-11 | 巍世科技有限公司 | Marker symbol hides storage and reading device in advance |
| CN108851251A (en) * | 2018-08-20 | 2018-11-23 | 厦门盈趣科技股份有限公司 | A kind of electronic cigarette and its application method with identity recognition function |
| CN111768523A (en) * | 2020-06-10 | 2020-10-13 | 福建新大陆通信科技股份有限公司 | CTID-based NFC intelligent door lock unlocking method, system, equipment and medium |
| CN112036527A (en) * | 2020-08-19 | 2020-12-04 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
| CN112036527B (en) * | 2020-08-19 | 2024-06-07 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
| CN114186574A (en) * | 2021-12-14 | 2022-03-15 | 四川领歌智谷科技有限公司 | Intelligent student card communication method based on near field communication |
| CN114696875A (en) * | 2022-03-24 | 2022-07-01 | 台达电子企业管理（上海）有限公司 | Wireless communication device and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107679604A (en) | A kind of identification card and RF system | |
| CN100547606C (en) | Strengthen active radio frequency identification system information safety and compatible method and device | |
| US6840443B2 (en) | Dual purpose portable card, a communication system, a communication method, a terminal apparatus, and a computer-readable record medium recording a program | |
| JP3457225B2 (en) | A portable body, a communication system, a communication system, a terminal device, and a computer-readable recording medium recording a program used in two applications | |
| KR100942706B1 (en) | Rfid system using human body communication | |
| EP2744296B1 (en) | Method and terminal for managing rfid card | |
| JPH05307655A (en) | Remotely distinguishable small-sized card | |
| US9214986B2 (en) | Non-volatile memory for NFC router | |
| SG143030A1 (en) | Radio frequency identification and communication device | |
| US7240848B1 (en) | Three port RF interface chip | |
| KR20110126235A (en) | Protecting case type rfid tag reading device attachable mobile terminal and system for processing information of rfid tag using the same | |
| CN207529409U (en) | The identification card and RF system of low-power consumption | |
| CN103902939A (en) | Active terminal and method for starting control unit | |
| KR101135388B1 (en) | Personal information storage apparatus equipped with an rfid tag or an nfc tag for prevention of electronic pickpocket | |
| CN102708338B (en) | Communication apparatus and method | |
| CN203799404U (en) | Hand-held smart BLE IC card | |
| CN105512716A (en) | Multifunctional IC card | |
| CN102750567A (en) | Secure digital (SD) card supporting multiple accounts and capable of being used for remote mobile payment and short range communication | |
| EP1272974B1 (en) | Data carrier having a chip including means for the controllable voltage supply to a further component of the data carrier | |
| WO2023071209A1 (en) | Intelligent switch circuit and system, circuit using intelligent switch system, and chip | |
| CN206620140U (en) | A kind of illegal board units | |
| CN201514639U (en) | Non-contact card reader capable of enhancing access distance | |
| CN103136577A (en) | Directional remote active electronic tag and reader thereof | |
| CN201489547U (en) | Remote directional identifying master-secondary electronic tag master card | |
| CN106778405A (en) | A kind of card reader of compatible contact and non-contact IC card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |