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Digital Input/Output Event Synchronization System

IP.com Disclosure Number: IPCOM000030962D
Original Publication Date: 2004-Sep-02
Included in the Prior Art Database: 2004-Sep-02

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This article details a method and system for driving digital Input/Output (IO) signals in synchronization with specific events. In the proposed implementation, digital direction control signals are synchronized to a PWM synthesized sine wave such that direction control changes only occur at zero volt crossings to mitigate electrical disturbances.