Door unlocking controller and control method thereof

Details Door unlocking controller and control method thereof Door unlocking controller and control method thereof

2007-07-17

2007-07-17

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005620, C340S005610, C340S005200, C340S005800, C340S010300

Reexamination Certificate

active

10921171

ABSTRACT:
When a request to unlock a door of one side portion of a vehicle is input, an ID request signal is transmitted from a first transmitting antenna provided in the one side portion, and an alarm signal is transmitted from a second transmitting antenna provided in the other side portion of the vehicle. A portable unit sends back a portable-unit signal in dependence on the ID request signal and alarm signal. When the portable unit receives the first signal and does not receive the second signal, a door-unlocking control part unlocks the door of the one side portion in dependence on the portable-unit signal received by a receiving antenna.

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patent: 6879247 (2005-04-01), Shimomura et al.
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patent: 2003/0038732 (2003-02-01), Watarai et al.
patent: 1107354 (2001-06-01), None
patent: 2000-73635 (2000-03-01), None

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