| 摘要 |
A video disc player has a correcting device for time base errors comprising a separation filter(173), which separates the synchronizing pulse from the information signal, a reference oscillator(179); a phase detector(177), which detects the different phases between the reference signal and the synchronizing pulse and generates the control signal corresponding to the phase deviation; a movable mirror, which responds to the control signal; and an AGC amplifier(186), which converts the control signal to the radial, position function.
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