Remote control system for a vehicle

Communications: electrical – Selective – Intelligence comparison for controlling

Reexamination Certificate

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Details

C340S005640, C340S005720, C340S005620, C340S005800, C340S002100, C340S002200, C340S002700, C340S870030, C340S870030, C307S010100, C307S010200

Reexamination Certificate

active

06998958

ABSTRACT:
A remote control system for precisely identifying a distance from the vehicle to an entry key and favorably controlling a vehicle-mounted device such as a door corresponding to the distance. The system comprises a transmitter transmitting different types of response demand signals within a predetermined communication area outside the vehicle, a vehicle mounted receiver for receiving a response signal released from a portable transmitter/receiver in response to the reception of the response demand signal, a controller controlling the vehicle mounted device corresponding to the reception of the response signal by the vehicle mounted receiver. Locking and/or unlocking door(s) of the vehicle are controlled on the basis of whether or not the receiver receives the response signal to a response demand signal other than one having the largest communication area.

REFERENCES:
patent: 5973611 (1999-10-01), Kulha et al.
patent: 6087987 (2000-07-01), Bachhuber et al.
patent: 6552649 (2003-04-01), Okada et al.
patent: 6778065 (2004-08-01), Asakura et al.
patent: 0 937 844 (1999-08-01), None
patent: 5-106376 (1993-04-01), None
patent: 10-2593 (1998-01-01), None
patent: 10-53025 (1998-06-01), None
patent: 11-141211 (1999-05-01), None

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