Angular velocity detection device

Details Angular velocity detection device Angular velocity detection device

2005-05-17

2005-05-17

Marc-Coleman, Marthe Y. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

C701S213000

Reexamination Certificate

active

06895313

ABSTRACT:
An angular velocity detection device includes an angular velocity detector for delivering a first sensor output corresponding to an angular velocity of a mobile unit; a learning unit for learning a sensitivity coefficient in accordance with the first sensor output and an output provided by a GPS positioning unit; an acceleration detector for delivering a second sensor output corresponding to an acceleration of the mobile unit; a sensitivity coefficient correction unit for determining a corrected sensitivity coefficient in accordance with the sensitivity coefficient and the second sensor output; and an angular velocity converter for multiplying the first sensor output by the corrected sensitivity coefficient to thereby calculate the actual angular velocity of the mobile unit. The angular velocity detection device allows the angular velocity converter to use the corrected sensitivity coefficient to calculate each actual angular velocity of the mobile unit.

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patent: 0 875 731 (1998-11-01), None
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