Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasumi Inoue0
Ryuzo Tsuruhara0
Date of Patent
September 26, 2006
Patent Application Number
10929422
Date Filed
August 31, 2004
Patent Primary Examiner
Patent abstract
In a speedometer control system having wheel speed sensors as well as a vehicle speed sensor, both a PCM and a brake ECU are used to obtain vehicle speeds. Then, a signal corresponding to a vehicle speed is obtained basically from the PCM. However, if it is impossible to properly obtain a signal corresponding to a vehicle speed from the PCM, a signal corresponding to a vehicle speed is obtained from the brake ECU. Accordingly, even in the event that a signal corresponding to the vehicle speed is not obtained from the PCM, it is possible to obtain a signal corresponding to the vehicle speed from the brake ECU, and thus to display the vehicle speed on a speedometer.
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