Vehicle-use electronic key system

Details Vehicle-use electronic key system Vehicle-use electronic key system

2007-12-04

2007-12-04

Nguyen, Phung T. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

C340S005720, C307S010200

Reexamination Certificate

active

10529300

ABSTRACT:
A vehicle-use electronic key system includes a control unit mounted on a real car, and an electronic key for sending a response signal on receiving a request signal sent from the control unit via a transmission antenna, the antenna being installed near the middle of the real car. Specifically, when a line segment (wheel base) connecting the center of a front wheel to the center of a rear wheel is assumed, the transmission antenna is installed in any location within a range from the upper part to the lower part of the real car within a range from a ¼ point to a ¾ point of the wheel base with the center of the front wheel as a reference.

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