EP0292505A1 - Computerized data-bearing card and reader/writer therefor - Google Patents
Computerized data-bearing card and reader/writer thereforInfo
- Publication number
- EP0292505A1 EP0292505A1 EP87902889A EP87902889A EP0292505A1 EP 0292505 A1 EP0292505 A1 EP 0292505A1 EP 87902889 A EP87902889 A EP 87902889A EP 87902889 A EP87902889 A EP 87902889A EP 0292505 A1 EP0292505 A1 EP 0292505A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- card
- reader
- light
- signals
- writer unit
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
-
- 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
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
-
- 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
- G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
- G06K19/0728—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being an optical or sound-based communication interface
-
- 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
- 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
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
- G06K19/07783—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being planar
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- 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
- G06K7/10316—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 using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10336—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 using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
Definitions
- This invention relates to personal identi ication cards, credit cards, and the like, which have embedded within them circuitry, usually including a microcomputer, for storing and processing data and which are adapted to interact with an external apparatus for accessing and modifying data stored in the card. More particularly, it relates to an improved method and means for transferring data between such cards and apparatus.
- identification cards have the potential for a myriad of applications.
- identification cards may carry biographical data concerning the owner, and other information, such as his employment history and medical, dental, and benefit- entitlement records. Used with specially designed locks, thoy may serve as pass keys, or as actuators for powered equipment.
- thoy Used with specially designed locks, thoy may serve as pass keys, or as actuators for powered equipment.
- remotely-linked on-site terminals they lend themselves to use in banking, mercantile, and various other commercial transactions requiring the information 5 contained in the card to be confirmed, modified, and up-dated, each time the card is used.
- the principal object of my invention is to avoid these drawbacks by providing an improved method and means for effecting the exchange of data between the reader/writer terminal and the card.
- a specific objective of the invention is the provision of an improved interactive computerized data-bearing card which requires no external electrical connections or internal batteries.
- Another objective is the provision of computerized
- the invention comprises a standard wallet-size plastic card containing among its laminated layers solid state circuitry, including a computer or microprocessor, for receiving, processing, and storing intelligence.
- a separate reader/writer communicates with the card in digital code by means of pulses of light. Data from the card are transmitted by a light emitting diode (LED) embedded in the card and are received by a photodetector in the reader/writer. Digitized data, including information to be stored, or used to modify information previously stored in the card's programmable erasable memory, are transmitted by a light emitting diode in the reader/writer to a photosensitive 5 detector incorporated in the card's circuitry.
- LED light emitting diode
- Digitized data including information to be stored, or used to modify information previously stored in the card's programmable erasable memory, are transmitted by a light emitting diode in the reader/writer to a photosensitive 5 detector incorporated in the card's circuitry.
- a clock in the card circuitry provides a reference signal which, when transmitted by its own LED in the card to a second photodetector in the reader/writer, furnishes a control for processing the data signal.
- a multi-turn coil of wire is embedded within the card's laminations.
- a high frequency electromagnetic field provided by a power transformer in the reader/writer induces a voltage in the coil which is rectified, regulated, and used to drive the card circuitry.
- FIG. 1 is a schematic representation showing the manner in which the various electrical and electronic elements and components are embedded in the credit card
- Q FIG. 2 is a schematic diagram of the circuitry included in the card, in accordance with a particular embodiment of the invention.
- FIG. 3 is a schematic block diagram of a card/writer unit which may be used to access data from the card of FIG. 1, 5 or to introduce new data into the card.
- the data-bearing card of the invention is designated
- a microcomputer 12 is embedded in the card.
- the microcomputer is connected to a light emitting diode LED Q 14.
- a second LED 16 is also connected to the microcomputer
- Output data signals from the microcomputer 12 are transformed into corresponding light signals by the LED 14, and associated clock signals from the microcomputer 12 are transformed into corresponding light clock signals by the LED 16.
- a ' light sensitive transistor 18 is connected to the microcomputer 12, and the transistor 18 responds to incoming light signals to introduce corresponding data signals to the microcomputer 12.
- a multi-turn power pick-up winding 20 is embedded in the card, and a high frequency electromagnetic field is used to induce an alternating current voltage across the winding 20.
- Winding 20 is connected to a diode bridge rectifier 22, and a filter capacitor 24 is connected across the diode bridge rectifier 22, so that appropriate direct current energizing power may be provided for the microcomputer 12.
- FIG. 2 The various components of FIG. 1 are illustrated in circuit detail in FIG. 2. As shown in FIG. 2, a Zener diode 26 may be connected across the filter capacitor 24 to serve as a
- the microcomputer 12 may be the type marketed by Hitachi and designated No. HD 65901. As shown in FIG. 2, the microcomputer 12 includes a central processor unit (CPU) 12A, ._ a random access memory (RAM) 12B, appropriate input/output circuitry (I/O) 12C, a read-only memory (ROM) 12D, and an electrically alterable programmable read-only memory (EEPROM) 12E.
- CPU central processor unit
- RAM random access memory
- I/O input/output circuitry
- ROM read-only memory
- EEPROM electrically alterable programmable read-only memory
- the various components described above are interconnected by a data bus 12F and by an address bus 12G. According to usual practice, the program is stored in ROM 12D, and data may
- RAM 12B RAM 12B and/or EEPROM 12E.
- the light sensitive transistor 18 is connected to an appropriate pin 1 of the microcomputer 12, to feed input data signals to the microcomputer 12 in response to light data 25 signals directed at the light sensitive transistor 18.
- LED 14 is connected to a pin 2 of the microcomputer 12, and responds to output data signals from the microcomputer 12 to generate corresponding light data signals.
- LED 16 is connected to a pin 3 of the microcomputer 12, and responds to clock signals from the microcomputer 12 to produce corresponding light clock
- the power supply formed by the power pick-up winding 20 and the diode bridge rectifier 22 is connected to a pin 4 of the microcomputer 12 and to a pin 5.
- Pin 4 is designated -- +V CC
- pin 5 is ground.
- the card reader/writer unit is shown in schematic form in FIG. 3.
- This unit includes internal processing electronic circuitry represented by block 50.
- a light sensitive transistor 52 is connected to the processing circuitry to supply input data signals to the processing circuitry, and a second light sensitive transistor 54 is connected to the processing circuitry to supply clock signals in response to light clock signals incident on transistor 54.
- Data signals from the circuitry 50 are applied to a LED 56 to be transformed into corresponding light data signals.
- the processing circuitry 50 is powered from a DC power supply 58.
- Power supply 58 is connected to a power
- Oscillator 60 which, in turn, is connected to a winding 62 mounted on a ferrite core 64.
- Oscillator 60 for example, provides an output signal of a frequency of 10 KHz to the winding 62.
- Processing circuitry 50 is connected to an 15 appropriate display, so that information read from the credit card of FIG. 1 may be interpreted. Also, the circuitry 50 may be connected to an appropriate terminal so that data may be processed to be fed into the card of FIG. 1. In addition, the processing circuitry 50 may be coupled to a telephone line Q through an appropriate MODEM, so that a remote computer may be used to feed data into the card, and to receive data from the card.
- the card 10 of FIG. 1, and the reader/writer unit of FIG. 3 are configured so that when the card 10 is inserted 5 into the reader/writer the power pick-up winding 20 is located within the gap of the ferrite core 64, the light sensitive transistor 52 is positioned over LED 14 of the card, the light sensitive transistor 54 is positioned over LED 16 of the card, and the LED 56 is positioned over light sensitive transistor Q 18 of the card.
- insertion of the card 10 into the reader/writer causes the microcomputer 12 within the card 10 to receive power from the power oscillator 16 of the reader/writer unit.
- Output data from the microcomputer 12 are then sensed by the reader/writer unit by way of light sensitive transistors 52 and 54. Also, new data may be fed into the microcomputer 12 of the card from the processing circuitry 50 by way of LED 56.
- the invention provides a simple and inexpensive data- carrying credit card and reader/writer unit. Since it does not have any external electrical contacts or internal batteries, thecard need be no larger than existing conventional credit cards and thus may be carried conveniently.
- the compact reader/writer unit allows the data on the card to be processed locally, or from a remote terminal.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Une carte informatisée portant des données (10) comporte un microordinateur (12) interne et est conçue de sorte que des données numérisées puissent être lues à partir du microordinateur et introduites dans ce dernier par une unité de lecture/écriture indépendante. La communication entre la carte et l'unité de lecture/écriture se fait au moyen de transducteurs photoélectriques interactifs (14, 18) prévus dans la carte et ladite unité. Les circuits à l'intérieur de la carte sont mis sous tension électrique par une bobine d'induction électromagnétique (20) à partir de l'unité de lecture/écriture, rendant ainsi superflus des piles internes, des branchements électriques sur des alimentations externes, et des commutateurs électriques.A data-carrying computer card (10) has an internal microcomputer (12) and is designed so that digitized data can be read from and entered into the microcomputer by an independent read / write unit. Communication between the card and the read / write unit takes place by means of interactive photoelectric transducers (14, 18) provided in the card and said unit. The circuits inside the card are energized by an electromagnetic induction coil (20) from the read / write unit, thus making internal batteries unnecessary, electrical connections to external power supplies, and electrical switches.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93611886A | 1986-12-01 | 1986-12-01 | |
US936118 | 1986-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0292505A1 true EP0292505A1 (en) | 1988-11-30 |
EP0292505A4 EP0292505A4 (en) | 1989-08-16 |
Family
ID=25468196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19870902889 Withdrawn EP0292505A4 (en) | 1986-12-01 | 1987-02-27 | Computerized data-bearing card and reader/writer therefor. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0292505A4 (en) |
JP (1) | JPH01502140A (en) |
KR (1) | KR890700246A (en) |
AU (1) | AU7238187A (en) |
IL (1) | IL81994A0 (en) |
WO (1) | WO1988004453A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2218237B (en) * | 1986-06-30 | 1991-01-16 | Wang Laboratories | Inductively-powered data storage card |
US4829166A (en) * | 1986-12-01 | 1989-05-09 | Froelich Ronald W | Computerized data-bearing card and reader/writer therefor |
JPH03502380A (en) * | 1988-02-04 | 1991-05-30 | マジエラン・コーポレーシヨン・(オーストラリア)・プロプライエタリイ・リミテツド | shunt regulator |
FR2652182A1 (en) * | 1989-09-15 | 1991-03-22 | Limpas Alain | Portable card allowing memory storage and processing of digital data, and the associated reader |
GB9009739D0 (en) * | 1990-05-01 | 1990-06-20 | Disys Inc | Transponder system |
GB9408588D0 (en) * | 1994-04-29 | 1994-06-22 | Disys Corp | Passive transponder |
CA2176625C (en) * | 1995-05-19 | 2008-07-15 | Donald Harold Fergusen | Radio frequency identification tag |
US6496382B1 (en) | 1995-05-19 | 2002-12-17 | Kasten Chase Applied Research Limited | Radio frequency identification tag |
JP4370597B2 (en) | 2003-09-11 | 2009-11-25 | 株式会社エフ・イー・シー | IC chip for identification, data reading method, and data writing method |
JP4317431B2 (en) | 2003-12-03 | 2009-08-19 | 株式会社エフ・イー・シー | IC chip for identification and method for reading the data |
WO2005086088A1 (en) * | 2004-03-04 | 2005-09-15 | Semiconductor Energy Laboratory Co., Ltd. | Id chip and ic card |
DE602005012810D1 (en) * | 2005-05-27 | 2009-04-02 | Fec Co Ltd | Integrated circuit for a contactless identification system |
AU2005202368B2 (en) * | 2005-05-31 | 2008-01-10 | Fec Co., Ltd. | IC chip for identification, method for reading out data therefrom, and method for writing data thereinto |
CN100452088C (en) * | 2005-05-31 | 2009-01-14 | Fec株式会社 | IC chip for identification, reading data therefrom and method of writing data in such chip |
US7501945B2 (en) | 2006-07-27 | 2009-03-10 | Lockheed Martin Corporation | System and method of simulation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2266222A1 (en) * | 1974-03-25 | 1975-10-24 | Moreno Roland | |
FR2478849A1 (en) * | 1980-03-21 | 1981-09-25 | Veilex Robert | Credit card or cash dispenser card - has photocell providing power to active integral memory circuit read via optical coupling |
DE3047322A1 (en) * | 1980-12-16 | 1982-07-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Data processor for credit card etc. - uses optical elements at station and on card for data exchange and power for electronic circuit |
JPS60225289A (en) * | 1984-04-23 | 1985-11-09 | Mitsubishi Heavy Ind Ltd | Ic card |
EP0168836B1 (en) * | 1984-07-20 | 1990-11-07 | Oki Electric Industry Company, Limited | Ic card and ic card reader |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4529870A (en) * | 1980-03-10 | 1985-07-16 | David Chaum | Cryptographic identification, financial transaction, and credential device |
FR2483657B1 (en) * | 1980-05-30 | 1986-11-21 | Bull Sa | PORTABLE MACHINE FOR CALCULATING OR PROCESSING INFORMATION |
US4454414A (en) * | 1982-06-16 | 1984-06-12 | Vericard Corporation | Funds transfer system using optically coupled, portable modules |
US4538056A (en) * | 1982-08-27 | 1985-08-27 | Figgie International, Inc. | Card reader for time and attendance |
-
1987
- 1987-02-27 AU AU72381/87A patent/AU7238187A/en not_active Abandoned
- 1987-02-27 EP EP19870902889 patent/EP0292505A4/en not_active Withdrawn
- 1987-02-27 JP JP62502302A patent/JPH01502140A/en active Pending
- 1987-02-27 WO PCT/US1987/000466 patent/WO1988004453A1/en not_active Application Discontinuation
- 1987-03-24 IL IL81994A patent/IL81994A0/en unknown
-
1988
- 1988-08-01 KR KR1019880700908A patent/KR890700246A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2266222A1 (en) * | 1974-03-25 | 1975-10-24 | Moreno Roland | |
FR2478849A1 (en) * | 1980-03-21 | 1981-09-25 | Veilex Robert | Credit card or cash dispenser card - has photocell providing power to active integral memory circuit read via optical coupling |
DE3047322A1 (en) * | 1980-12-16 | 1982-07-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Data processor for credit card etc. - uses optical elements at station and on card for data exchange and power for electronic circuit |
JPS60225289A (en) * | 1984-04-23 | 1985-11-09 | Mitsubishi Heavy Ind Ltd | Ic card |
EP0168836B1 (en) * | 1984-07-20 | 1990-11-07 | Oki Electric Industry Company, Limited | Ic card and ic card reader |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 89 (P-444)[2146], 8th April 1986; & JP-A-60 225 289 (MITSUBISHI JUKOGYO K.K.) 09-11-1985 * |
See also references of WO8804453A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0292505A4 (en) | 1989-08-16 |
WO1988004453A1 (en) | 1988-06-16 |
IL81994A0 (en) | 1987-10-20 |
JPH01502140A (en) | 1989-07-27 |
AU7238187A (en) | 1988-06-30 |
KR890700246A (en) | 1989-03-10 |
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