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Patent Searching and Data


Title:
KEYLESS ENTRY SYSTEM
Document Type and Number:
Japanese Patent JP2006057366
Kind Code:
A
Abstract:

To provide a keyless entry system capable of automatically quickly adjusting an output level of an antenna.

This keyless entry system has a communication device 4 for transmitting a starting signal from the on-vehicle side antenna 11, and a portable remote controller 12 for sending back an identification signal for releasing a lock of a door lock device 3 by starting by the starting signal when a distance from the on-vehicle antenna 11 becomes within a predetermined distance. The communication device 4 has a controller 5 for storing output of the starting signal in a memory 9 when receiving the identification signal, by automatically changing the output of the starting signal, until the remote controller 12 arranged in a predetermined distance position sends back the identification signal to the on-vehicle side antenna 11 by starting by the starting signal, when setting the output of the starting signal in response to the remote controller 12.


Inventors:
MOCHIZUKI TAKESHI
Application Number:
JP2004241813A
Publication Date:
March 02, 2006
Filing Date:
August 23, 2004
Export Citation:
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Assignee:
CALSONIC KANSEI CORP
International Classes:
E05B49/00; B60R25/01; B60R25/24; H04B1/034; H04B1/06
Attorney, Agent or Firm:
Tamio Nishiwaki