Title:
キーレスエントリー装置
Document Type and Number:
Japanese Patent JP4435632
Kind Code:
B2
Abstract:
A device includes a car-mounted transmitter-receiver and a portable transmitter-receiver. The car-mounted transmitter-receiver includes a first memory that stores the ID of the portable transmitter-receiver and a second memory that stores the ID of the car-mounted transmitter-receiver. The portable transmitter-receiver includes a first memory that stores the ID of the car-mounted transmitter-receiver and a second memory that stores the ID of the portable transmitter-receiver. The transmission and reception of radio signals between the car-mounted transmitter-receiver and the portable transmitter-receiver are made in one of an active entry mode and a passive entry mode, in whichever entry mode the transmitted signal contains the ID of the car-mounted transmitter-receiver and the ID of the portable transmitter-receiver, and in the active entry mode, the signal transmitted by the portable transmitter-receiver further contains an instruction signal that controls a device being controlled disposed in the car.
Inventors:
Jun Takahashi
Application Number:
JP2004203383A
Publication Date:
March 24, 2010
Filing Date:
July 09, 2004
Export Citation:
Assignee:
ALPS ELECTRIC CO.,LTD.
International Classes:
E05B49/00; B60R25/01; B60R25/24
Domestic Patent References:
| JP2003020835A | ||||
| JP2001214651A | ||||
| JP2167972A | ||||
| JP2004137718A | ||||
| JP2004143699A |
Attorney, Agent or Firm:
Kenjiro Take
Ichiro Suzuki
Hirohiro Ichimura
Kazuo Kobayashi
Ichiro Suzuki
Hirohiro Ichimura
Kazuo Kobayashi