Vehicle steering system

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control

Reexamination Certificate

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Reexamination Certificate

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07865283

ABSTRACT:
There is provided a vehicle steering system which includes an electric motor for imparting a steering force to a steering mechanism of a vehicle and an automatic parking controller for executing an automatic parking control by controlling the electric motor, wherein the automatic parking controller controls an energizing voltage of the electric motor by imparting a square wave to the electric motor and increasing/decreasing a neutral point voltage of a winding of the electric motor.

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U.S. Appl. No. 11/760,311, filed Jun. 8, 2007, Arima et al.
U.S. Appl. No. 11/760,206, filed Jun. 8, 2007, Arima et al.

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