Automatic disc loading and unloading system for recording-disc playback apparatus
US4507768A · kind A · utility
27Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1981 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Feb 17, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/0404
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An automatic disc loading and unloading system of an audio and/or video recording-disc playback apparatus, in which the recording disc to be played back is automatically loaded into the playback apparatus and conveyed into a correct position with respect to the turntable depending upon the size of the recording disc and is automatically moved out of the playback apparatus upon completion of the playback operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.