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EP0219853A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Signature identification system

Assignee: Omron Corp
•
Filing: 1986-10-21
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Granted: —
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Expires: 2006-10-21
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Abstract

Abstract A signature identification system includes an IC card (1) having a memory storing sign data representing a genuine signature and a display device (32) for displaying the genuine signature by reading the sign data stored in the IC card. A writing unit includes a sign reading device (21) for reading a genuine signature signed by an authorized person and a writing device (29) for writing data representing the read genuine signature on an IC card (1), whereby the genuine signature is invisibly stored in the IC card (1) and imitation of the genuine signature by viewing the genuine signature in the card (1) can be avoided.

Inventors

  • 👤 Kaoru Haraguchi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 22:44
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/30; B42D25/318; G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/38; G06Q20/40; G06Q20/401; G06Q20/4014; G06Q20/40145; G07; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/24; G07C9/247; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 75 words
A signature identification system comprising a memory card adapted to store invisible sign data representing a genuine signature therein, reading means for reading out the sign data in said memory card, and display means for displaying said genuine signature based on the read out sign data so that the genuine signature displayed on said display means can be visually compared to other signature signed on other document to identify if said other signature is genuine.
Claim 2
Dependent Claim 75 words
A signature identification system comprising a memory card adapted to store invisible sign data representing a genuine signature therein, reading means for reading out the sign data in said memory card, and display means for displaying said genuine signature based on the read out sign data so that the genuine signature displayed on said display means can be visually compared to other signature signed on other document to identify if said other signature is genuine.
Claim 3
Dependent Claim 44 words
A signature identification system according to Claim 1 further comprising a writing unit including sign reading means for reading a signature signed by a genuine owner of said memory card and writing means for writing data representing said read signature on said memory card.
Claim 4
Dependent Claim 24 words
A signature identification system according to Claim 1 wherein said memory card is an IC card having its memory storing said invisible sign data.

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