发明名称 |
Record disc reproducing apparatus |
摘要 |
A video disc player having an operational state for holding the disc without rotation when the disc has been inserted into or has been prepared for withdrawal from the player as well as a reproduction state for picking up the signal recorded on the disc when the disc is on the rotating turntable, in which the time of the holding state of the disc is measured and when the holding state of the disc exceeds a predetermined time, the disc is set on the turntable and the turntable continuously rotates until another state instruction is generated, thereby suppressing deformation of the disc.
|
申请公布号 |
US4578787(A) |
申请公布日期 |
1986.03.25 |
申请号 |
US19820432803 |
申请日期 |
1982.10.05 |
申请人 |
HITACHI, LTD. |
发明人 |
SHIMIZU, KEIZO;OTSU, SHIMPEI;FUJIMURA, TOSHIO;TANIGUCHI, YOSHISADA;NAGAMI, HAYASHI |
分类号 |
G11B19/20;G11B17/32;G11B19/10;G11B23/50;G11B33/14;(IPC1-7):G11B19/10;G11B17/04;G11B25/04 |
主分类号 |
G11B19/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|