发明名称 Digital audio disc player including apparatus for finding the beginning of a recorded audio signal
摘要 An apparatus for playing information recorded on a disc in substantially circular tracks on the latter includes a device for rotating the disc; a pickup for reproducing the information recorded on the disc; a tracking control circuit for adjusting the tracking position of the pickup in forward and reverse transverse directions with respect to the tracks; and a circuit operative through the tracking control circuit for selectively establishing a slow-playback mode and a reverse slow-playback mode in each of which, after the pickup reproduces a respective first predetermined number of the tracks while moving in the forward transverse direction, the tracking position of the pickup is moved in the reverse transverse direction a respective second predetermined integral number of tracks, the second predetermined number of tracks being less than twice the first predetermined number of tracks.
申请公布号 US4519057(A) 申请公布日期 1985.05.21
申请号 US19820409120 申请日期 1982.08.18
申请人 SONY CORPORATION 发明人 HIGASHIHARA, TERUAKI;NONAKA, CHIAKI;YOSHIDA, TADAO;KAWACHI, HIDEO
分类号 G11B7/09;G11B19/20;G11B20/10;G11B21/08;G11B27/10;(IPC1-7):G11B7/00;G11B17/02 主分类号 G11B7/09
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