Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 10, 2009
Patent Application Number
11592567
Date Filed
November 3, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A power tool includes solid-state motor control. The tool includes a solid state variable speed control signal generator for generating a variable speed control signal, a microcontroller for generating a pulse width modulated (PWM) signal corresponding to the variable speed control signal, a driver circuit for generating H-bridge driving signals corresponding to the PWM signal, and an H-bridge circuit for selectively coupling a motor to a power source in accordance with the H-bridge driving signals.
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