发明名称 Videodisc playback apparatus
摘要 A videodisc playback system is disclosed which enables repeated reproduction of signals recorded on a videodisc. The system comprises the usual means to mount and rotate the videodisc to be played back and a shifting device that shifts the scanning position of a read-out device in a radial direction of the videodisc. A tracking control device controls the shifting device so that the scanning position of the read-out device is on the track. Further, the system includes fast playback circuitry which causes fast playback of the videodisc by shifting playback tracks N multiple number of times, one track at a time to the next adjacent track, during one revolution of the videodisc. Repeated reproduction of signals is accomplished by circuitry connected to the fast playback circuitry that causes a predetermined number of tracks to be repeatedly played back, the predetermined number being an integral number of N.
申请公布号 US4425587(A) 申请公布日期 1984.01.10
申请号 US19810309708 申请日期 1981.10.08
申请人 TRIO KABUSHIKI KAISHA 发明人 KURATA, HIROTAKA
分类号 H04N5/85;G11B7/00;G11B7/004;G11B7/005;G11B7/085;G11B21/08;G11B27/00;(IPC1-7):H04N5/76 主分类号 H04N5/85
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