Method and apparatus for detecting tightness of a pick-up head, method for controlling the moving of the pick-up head
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United States of America Patent
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Jun 27, 2017
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N/A
app pub date -
Jul 27, 2016
filing date -
Jul 30, 2015
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Abstract
A method and apparatus for detecting tightness of a pick-up head, and a method and apparatus for controlling the moving of the pick-up head are disclosed. The method for detecting the tightness of the pick-up head includes moving the pick-up head to an inner area of the disc reading device when then disc reading device is powered on, moving the pick-up head to an outer area of the disc reading device within a predetermined time period, moving the pick-up head from the outer area of the disc reading device to the inner area at a constant speed by a first fixed force, and recording the moving duration for moving the pick-up head from the outer area of the disc reading device to the inner area at the constant speed.
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