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Patent Searching and Data


Title:
KEYLESS DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP2008014019
Kind Code:
A
Abstract:

To provide a keyless device for a vehicle, detecting a portable unit in a cabin even when an antenna for transmitting an answer request to the interior of the vehicle breaks down.

A search range A of a vehicular external antenna 45 is set to a search range A2 narrower than an ordinary search range A1, whereby an overlap part between a search range B of a vehicular external antenna 46 and an ordinary search range B1 is set to only the interior of the vehicle.


Inventors:
TSUCHIYA NOBUAKI
OTSUKA TAKASHI
Application Number:
JP2006000186263
Publication Date:
January 24, 2008
Filing Date:
July 06, 2006
Export Citation:
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Assignee:
CALSONIC KANSEI CORP
International Classes:
E05B49/00; B60R25/01; B60R25/04; B60R25/24; B60R25/30
Domestic Patent References:
JP2002077972A2002-03-15
JP2005105715A2005-04-21
JP2005112177A2005-04-28
JP2004131999A2004-04-30
JP2006083514A2006-03-30
Attorney, Agent or Firm:
綾田 正道