US Patent 7579802 Collision monitoring system
Patent 7579802 was granted and assigned to Nartron Corporation on August, 2009 by the United States Patent and Trademark Office.
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Disclosed is an improved system and method for sensing both hard and soft obstructions for a movable panel such as a sunroof. A dual detection scheme is employing that includes an optical sensing as the primary means and electronic sensing of motor current as a secondary means. The secondary means utilizes system empirical precharacterization, fast processing algorithms, motor parameter monitoring including both current sensing and sensorless electronic motor current commutation pulse sensing, and controller memory, to adaptively modify electronic obstacle detection thresholds in real time without the use of templates and cycle averaging techniques.
US Patent 07579802 Collision monitoring system US Patent 7579802 Collision monitoring system
US Patent 07579802 Collision monitoring system
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