Passive entry system

Details Passive entry system Passive entry system

2005-03-08

2009-02-24

Barron, Jr., Gilberto (Department: 2432)

Cryptography

Communication system using cryptography

Wireless communication

C713S168000

Reexamination Certificate

active

07496204

ABSTRACT:
A vehicle passive entry system having a portable unit carried by a driver, the portable unit comprising an operation key for locking or unlocking a filler cap on a fuel tank which is adapted to move between a protruding position where a locking or unlocking operation can be performed on the filler cap and a fully accommodated position where the locking or unlocking operation cannot be performed and a Hall element for detecting that the operation key is located at the protruding position. When the Hall element detects that the operation key is located at the protruding position, a predetermined radio wave is transmitted from the portable unit1to the vehicle side, so that an engine is stopped.

REFERENCES:
patent: 44 34 612 (1995-04-01), None
patent: 0 760 412 (1997-03-01), None
patent: 0 987 389 (2000-03-01), None
patent: 2002-13644 (2003-01-01), None

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