Pickup arm lifting/lowering apparatus for a disc record player

Details Pickup arm lifting/lowering apparatus for a disc record player Pickup arm lifting/lowering apparatus for a disc record player

G - Physics

11

B

179/24, 352/33.1

G11B 3/08 (2006.01) G11B 3/10 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1087308

Abstract of the Disclosure A video disc system includes an apparatus for lifting and lowering a stylus arm carrying a stylus. A permanent magnet embedded in a movably mounted element is repelled by an electromagnet to effect lowering of the stylus on a record rotatably disposed on a turntable of the video disc system. A selectively operated circuit is provided to control the rate of increase of voltage across the coil to obtain a smooth landing of the stylus on the record for playback. -1-

260670

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