COMMUNICATION APPARATUS POWER SUPPLY CONTROL SYSTEM

Title:

COMMUNICATION APPARATUS POWER SUPPLY CONTROL SYSTEM

Document Type and Number:

Japanese Patent JP2004067044

Kind Code:

A

Abstract:

To suppress the power consumption by controlling the power supplied to a communication apparatus when the accessory signal is turned off to reduce the discharge of a vehicle battery as a main power supply.

A communication apparatus power supply control system comprises an accessory signal generator 56, a communication apparatus 57, and a power supply control unit 59 to supply the power to the communication apparatus 57 if the communication apparatus 57 is in a communicable state when the accessory signal from the accessory signal generator 56 is turned off.

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Inventors:

NAITO MITSUHIRO
YAMADA KUNIHIRO

Application Number:

JP2002232699A

Publication Date:

March 04, 2004

Filing Date:

August 09, 2002

Export Citation:

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Assignee:

AISIN AW CO

International Classes:

G01C21/00; B60R16/02; B60R16/023; G01C21/26; G08G1/0969; H04B7/26; H04W4/04; H04W8/22; (IPC1-7): B60R16/02; H04B7/26; H04Q7/34

Attorney, Agent or Firm:

Toshiaki Aoki
Mamoru Shimizu
Makoto Kawai

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