Cleaning disc cartridge
US5966360A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1997 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Aug 26, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10584
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cleaning disc cartridge capable of concurrently cleaning both a magnetic head of a magneto-optical disc apparatus and an optical lens thereof without causing any error in reading of a signal. A rotating disc is provided on one surface thereof opposite to a magnetic head of the apparatus with a head cleaning member and on the other surface thereof opposite to an objective lens of the apparatus with lens cleaning members. The rotating disc includes a disc body which is provided with an inventory region defined on an inner peripheral side of a lens cleaning member arrangement region, a reproduction-only region defined on an outer peripheral side of the lens cleaning member arrangement region, and an information recording and reproducing region outside the reproduction-only region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.