EP 0885502 A4 20001108 - AUTHENTICATION SYSTEM AND METHOD FOR A REMOTE KEYLESS ENTRY SYSTEM
Title (en)
AUTHENTICATION SYSTEM AND METHOD FOR A REMOTE KEYLESS ENTRY SYSTEM
Title (de)
AUTHENTIFIZIERUNGSSYSTEM UND VERFAHREN FÜR EIN FERNBEDIENBARES SCHLÜSSELLOSES EINGANGSSYSTEM
Title (fr)
SYSTEME ET PROCEDE D'AUTHENTIFICATION DESTINE A UN SYSTEME D'OUVERTURE A DISTANCE SAND CLE
Publication
Application
Priority
- US 9718814 W 19971015
- US 75853096 A 19961129
Abstract (en)
[origin: WO9826534A1] An authentication system and method changes (407) a symbolic value of a challenge count and encodes (411) it into an authentication symbol using an encoding process. Then, the symbolically-changed challenge count and the authentication symbol are transmitted (415). When received, the symbolically-changed challenge count is encoded (507) using the encoding process, and a receive-side derived authentication symbol is formed therefrom. Authentication is indicated (511) when the authentication symbol and the receive-side derived authentication symbol match.
IPC 1-7
IPC 8 full level
B60R 25/10 (2013.01); B60R 25/01 (2013.01); B60R 25/04 (2013.01); B60R 25/24 (2013.01); E05B 49/00 (2006.01); E05B 65/20 (2006.01); G07C 9/00 (2006.01); H04B 5/48 (2024.01); H04L 9/32 (2006.01)
CPC (source: EP)
G07C 9/00182 (2013.01); G07C 2009/0023 (2013.01); G07C 2009/00253 (2013.01); G07C 2009/00769 (2013.01); G07C 2209/06 (2013.01)
Citation (search report)
- [XY] US 5506905 A 19960409 - MARKOWSKI DALE W [US], et al
- [X] US 5579485 A 19961126 - EDGAR LYNNE [US], et al
- [Y] GB 2289358 A 19951115 - SIEMENS AG [DE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 1995, no. 11 26 December 1995 (1995-12-26)
- See also references of WO 9826534A1
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
WO 9826534 A1 19980618; EP 0885502 A1 19981223; EP 0885502 A4 20001108; JP 2000506947 A 20000606
DOCDB simple family (application)
US 9718814 W 19971015; EP 97912769 A 19971015; JP 52663798 A 19971015