Method and apparatus for removal of dust from an information carrier during recording and playback
US4591938A · kind A · utility
2Cited by
6References
39Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1983 |
| Grant date | May 27, 1986 |
| Priority date | — |
| Expiry date | Jan 20, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for removing dust from an information carrier includes a rotating member having at least one channel extending therethrough, operative to act as a centrifugal pump, and also includes apparatus for recording or playback of information from the information carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.