Alps Electric Co., Ltd.

Fuji Heavy Industries Ltd.

Hideki Ueno

Tatsuya Michishige

Koichi Yamamoto

Tomosuke Takata

Noritoshi Yuzuriha

A keyless entry system includes a portable transmitter that transmits a lock signal and an unlock signal, each of which contains a unique identification code, for a predetermined period, and an operation unit that locks and unlocks doors of a vehicle in response to the lock signal and the unlock signal from the portable transmitter. The operation unit includes a receiver that outputs a lock command signal or an unlock command signal having a predetermined time length, and a controller that drives an actuator to lock or unlock the doors of the vehicle in response to the lock command signal or the unlock command signal from the receiver. The time length of the unlock command signal from the receiver is shorter than the time length of the unlock signal from the portable transmitter.

Keyless entry system

A switching device includes a switch body, a side knob, a returning mechanism, and a stopper. The switch body has a controlling unit which can be tilted and depressed. The switch body is surface-mounted on the printed circuit board. The side knob is attached to the controlling unit of the switch body. The switch body includes the returning mechanism for the controlling unit. The stopper is actuated in accordance with the tilting or depression of the side knob. The stopper is surface-mounted on the printed circuit board.

Growing community of inventors

Miyagi-ken, Japan

Hideki Ueno