NAVIGATION DEVICE - ZANAVY INFORMATICS KK

Title:

NAVIGATION DEVICE

Document Type and Number:

Japanese Patent JP2010151759

Kind Code:

A

Abstract:

To calculate an azimuth correctly without using information on a facility changing the azimuth.

This navigation device 1 includes a main system 100 for performing navigation processing or the like, a gyro sensor module 200 for calculating data for calculating the azimuth of a vehicle, and a shock sensor module 300 for detecting vibration of the vehicle. The navigation device 1 also includes a main power source control switch (main SW) 420 for supplying a power source to the main system 100 and the gyro sensor module 200, and a sub-power source control switch (sub-SW) 430 for supplying a power source to the gyro sensor module 200. When detecting impact of the vehicle in the OFF-state of the main power source control switch 420, the shock sensor module 300 switches on the sub-power source control switch 430.

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Inventors:

NINOHIRA TOSHIO

Application Number:

JP2008333002A

Publication Date:

July 08, 2010

Filing Date:

December 26, 2008

Export Citation:

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Assignee:

ZANAVY INFORMATICS KK

International Classes:

G01C21/00; G01C17/38; G01C19/00

Attorney, Agent or Firm:

Shoyo domestic and overseas patent office

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