Invention Grant
US09562385B2 Door operator system capable of detecting a current-time position of a movable barrier 有权
能够检测可动屏障的当前时间位置的门操作系统

Door operator system capable of detecting a current-time position of a movable barrier
Abstract:
A door operator system capable of detecting a current-time position of a movable barrier comprises a current-time position detecting device comprising a first gear, a first angular position sensing unit, a revolution counting unit and an arithmetic unit. The first gear is coupled to an output shaft of a motor or a winding shaft. The first angular position sensing unit is provided for detecting a first angular position of the first gear. The revolution counting unit counts the number of revolutions of the first gear. The arithmetic unit calculates a number of total circumferential intervals of the output shaft of the motor or the winding shaft based on D=(La*X)+A/(360/X), where D is the number of the total circumferential intervals, La is the number of revolutions of the first gear, A is the first angular position, X is a number of circumferential intervals per revolution of the first gear.
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