Power-saving on-vehicle controller

Details Power-saving on-vehicle controller Power-saving on-vehicle controller

2007-10-25

2009-02-17

Nguyen, Hung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539100, C340S539300, C340S541000, C340S870030, C340S870030, C340S010100, C340S010300, C307S010200, C307S010300

Reexamination Certificate

active

07492250

ABSTRACT:
An on-vehicle controller performs smart control for transmitting a transmission request signal to a predetermined area and for unlocking a door of a vehicle based on a return signal transmitted by a portable device receiving the transmission request signal, security control for providing a warning if improper conduct to the vehicle is detected, remote keyless entry control for locking or unlocking the door according to a manual operation signal, which is transmitted from the portable device according to button manipulation thereof, and immobilizer control for permitting an engine start if an identification code transmitted from a transponder of the portable device coincides with an identification code stored in the vehicle. If a mode switch is switched to an off position, the controller is switched to a power-saving mode for performing only the immobilizer control.

REFERENCES:
patent: 5654686 (1997-08-01), Geschke et al.
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patent: 6043752 (2000-03-01), Hisada et al.
patent: 6420967 (2002-07-01), Ghabra et al.
patent: 6670883 (2003-12-01), Asakura et al.
patent: 7061137 (2006-06-01), Flick
patent: 7109852 (2006-09-01), Gupte et al.
patent: A-2000-170420 (2000-06-01), None

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