Global Patent Index - EP 0848123 B1

EP 0848123 B1 2004-12-08 - A remote keyless entry system

Title (en)

A remote keyless entry system

Title (de)

Fernbedienbares schlüsselloses Eingangssystem

Title (fr)

Système télécommandé d'entrée sans clé

Publication

EP 0848123 B1 (EN)

Application

EP 97117590 A

Priority

  • JP 31576697 A
  • US 72884496 A

Abstract (en)

[origin: EP0848123A2] A road vehicle keyless entry system (10) having an in-vehicle communication processor (11) and a remote transponder (15) is provided. The communication processor (10) has a radio frequency received (12), a low frequency transmitter/receiver (13) and a controller (14) capable of encrypting and reading the signals sent and received by the low frequency transmitter/receiver (13). The transponder (15) has a radio frequency transmitter (16) that transmits a signal to the communication processor (11) upon receipt of a manual stimulus and a low frequency transmitter/receiver (17) capable of reading and responding to encrypted signals received from the communication processor (11). <IMAGE>

IPC 1-7 (main, further and additional classification)

E05B 49/00; B60R 25/04

IPC 8 full level (invention and additional information)

E05B 65/12 (2006.01); B60R 25/00 (2006.01); B60R 25/10 (2006.01); G07C 9/00 (2006.01); H04B 1/59 (2006.01); H04B 5/02 (2006.01)

CPC (invention and additional information)

G07C 9/00309 (2013.01); G07C 2009/00357 (2013.01); G07C 2009/00396 (2013.01); G07C 2009/00412 (2013.01); G07C 2009/00492 (2013.01); G07C 2009/00507 (2013.01); G07C 2009/00777 (2013.01); G07C 2009/00793 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL SE

DOCDB simple family

EP 0848123 A2 19980617; EP 0848123 A3 20001102; EP 0848123 B1 20041208; JP H11177464 A 19990702