EP0393784A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Multifunctional identification and information card
Assignee: Nederlandsche Apparatenfabriek NEDAP NV
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Filing: 1990-04-17
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Granted: —
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Expires: 2010-04-17
Abstract
Abstract An identification and information card comprising an integrated electronic circuit including a processor. The electronic circuit is capable of contactlessly transmitting data to, and receiving data from, a data acquisition system in response to an electromagnetic interrogation field. The card is provided with a magneto/optical memory which contains data encoded according to a secret key. The coded data can be read by the data acquisition system and converted into electrical signals which are contactlessly transmitted to the card and are decoded by the processor. The card contains security data for protection against unauthorized use.
Inventors
- 👤 Johannes Harm Lukas Hogen Esch
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 22:48
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/357; G06Q20/38; G06Q20/40; G06Q20/401; G06Q20/4014; G06Q20/40145; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/28
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
118 words
An identification and information card comprising an integrated electronic circuit including a processor, an operating memory, a program and data memory, which integrated electronic circuit is capable of contactlessly transmitting data to, and receiving data from, a data acquisition system in response to an electromagnetic interrogation field, characterized by a magneto/optical memory which in operation contains data encoded according to a secret key, the secret key being stored in the integrated electronic circuit, and wherein the integrated electronic circuit is arranged to decode the data encoded according to the secret key after conversion of such data into electrical signals and transmitting it to the data acquisition system, and to encode electrical data signals according to the secret key.
Claim 2
Dependent Claim
118 words
An identification and information card comprising an integrated electronic circuit including a processor, an operating memory, a program and data memory, which integrated electronic circuit is capable of contactlessly transmitting data to, and receiving data from, a data acquisition system in response to an electromagnetic interrogation field, characterized by a magneto/optical memory which in operation contains data encoded according to a secret key, the secret key being stored in the integrated electronic circuit, and wherein the integrated electronic circuit is arranged to decode the data encoded according to the secret key after conversion of such data into electrical signals and transmitting it to the data acquisition system, and to encode electrical data signals according to the secret key.
Claim 3
Dependent Claim
85 words
An identification and information card as claimed in claim 1, characterized in that the integrated electronic circuit is arranged, in an interrogation field generated by a transmitter/receiver of a data acquisition system, at a relatively large distance from the transmitter/receiver, in a first mode, to transmit an identification code, while at a relatively small distance from the transmitter/receiver the integrated electronic circuit switches to a second mode in which data can be exchanged with the data acquisition system at a relatively high data transmission speed.
Claim 4
Dependent Claim
52 words
An identification and information card as claimed in claim 2, characterized in that the integrated electronic circuit comprises a threshold value detector which is capable of detecting the strength of the interrogation field at the card and when a pre-determined threshold value is exceeded switches from the first to the second mode,
Claim 5
Dependent Claim
62 words
An identification and information card as claimed in claim 1, 2 or 3, characterized by input means for the entry of individual-linked security data concerning the bearer of the card, which security data, in operation, can be compared by the integrated electronic circuit with corresponding security data stored in the integrated electronic circuit without the security data reaching the data acquisition system.
Claim 6
Dependent Claim
34 words
An identification and information card as claimed in claim 4, characterized in that the stored security data comprises data related to the knowledge and/or capability and/or physical characteristics of the bearer of the card.
Claim 7
Dependent Claim
27 words
An identification and information card as claimed in claim 4 or 5, characterized in that the input means comprise manually operable switch means for entering a PIN-code.
Claim 8
Dependent Claim
64 words
An identification and information card as claimed in any of claims 4-6, characterized in that the input means comprise two or more piezo elements arranged along the edges of an area within which pressure can be exercised on the card to generate vibratory waves which are detected by the piezo elements and converted into electrical signals, which are passed to the integrated electronic circuit.
Claim 9
Dependent Claim
64 words
An identification and information card as claimed in any of claims 4-7, characterized in that the input means are arranged to enter different types of security data, which types correspond to pre-determined parts of the data encoded according to a secret key, and that the integrated electronic circuit is arranged only to decode the coded data associated with the entered types of security data.
Claim 10
Dependent Claim
47 words
An identification and information card as claimed in any of the preceding claims, characterized in that the integrated electronic circuit is arranged only after receiving a pre-determined signal from the data acquisition system to fully or partially decode data and pass it to the data acquisition system.
Claim 11
Dependent Claim
34 words
An identification and information card as claimed in any of the preceding claims, characterized by a rectifying circuit associated with a receiving circuit and serving to provide supply energy to the integrated electronic circuit.
Claim 12
Dependent Claim
21 words
An identification and information card as claimed in claim 7, characterized by the provision of a key pattern in said area.
Claim 13
Independent Claim
84 words
A system for transmitting, processing and storing data, comprising a plurality of identification and information cards as claimed in any of claims 1-10 and at least one data acquisition system arranged to cooperate with such identification and information cards, characterized in that said at least one data acquisition system comprises a reader for reading data stored in a magneto/optical memory of an identification and information card and for converting the data read into electrical signals, which are returned to the identification and information card.
Claim 14
Dependent Claim
24 words
A system as claimed in claim 12, characterized by a central computer and at least one terminal connected therewith, said terminal comprising the reader.
Claim 15
Dependent Claim
30 words
A system as claimed in claim 12 or 13, characterized in that the data acquisition system is provided with a writing tool having a tip which, in operation, vibrates intermittently.
Claim 16
Dependent Claim
24 words
A system as claimed in claim 12 or 13, characterized in that the data acquisition system comprises a platform which in operation vibrates intermittently.
Claim 17
Dependent Claim
35 words
A system as claimed in claim 14 or 15, characterized in that the intermittently vibrating tip or platform is controlled by electrical signals transmitted by the processor of a card to the data acquisition system.
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