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EP0374012A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Authentication apparatus for an interactive server

Assignee: Ministère des Postes Télégraphes et Téléphones
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Filing: 1989-12-06
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Granted: —
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Expires: 2009-12-06
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Abstract

Abstract This device comprises a microprocessor (22) capable of implementing an authentication algorithm, a data transmitter (26) connected to the microprocessor (22), a data receiver (32) connected to the microprocessor and an electro-acoustic transducer (40) having one input (41) connected to the transmitter (26) and one output (44) connected to the receiver (32). Application to the transmission of information by telephone. <IMAGE>

Inventors

  • 👤 Jacques Genin

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 08:07
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/0723; G06K19/0728; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/38; G06Q20/40; G06Q20/409; G06Q20/4097; G06Q20/40975

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3652795A Cited
US3976840A Cited
WO1982004169A1 Cited
US4601011A Cited
US4442318A Cited
EP0180684A2 Cited
WO1988000743A1 Cited
FR2621199A1 Cited

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