Velocity calculating apparatus

Details Velocity calculating apparatus Velocity calculating apparatus

1997-10-24

1999-12-07

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Measurement system

Speed

702141, 701214, 342106, 342107, G06G 778

Patent

active

059998903

ABSTRACT:
A velocity calculating apparatus includes an acceleration sensor for detecting acceleration in the direction in which a motor vehicle travels. The acceleration sensor is connected to a CPU through an A/D converter. The CPU is connected to a GPS-signal receiver through a digital converter, and is also connected to a memory. The apparatus carries out a program for compensating for an error in the output signal of the acceleration sensor, wherein the program compensates the output signal of the acceleration sensor according to a GPS signal received from the GPS-signal receiver.

REFERENCES:
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patent: 5416712 (1995-05-01), Geier et al.
patent: 5504569 (1996-04-01), Kato et al.
patent: 5579012 (1996-11-01), Iwakuni et al.
patent: 5597954 (1997-01-01), Nakamura
patent: 5608631 (1997-03-01), Tsutsumi et al.
patent: 5708438 (1998-01-01), Tanaka et al.
patent: 5856802 (1999-01-01), Ura et al.

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