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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|