Cleaning device for information recording medium
US4947029A · kind A · utility
15Cited by
6References
32Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 19, 1989 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Sep 19, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B25/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cleaning device comprises a cleaning member having a cleaning surface adapted to abut against a recording surface of an information recording medium, apparatus for holding the cleaning member, apparatus for moving the cleaning surface of the cleaning member, and apparatus for moving the hold means relative to the recording surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.