Disc cartridge
US7337454B2 · kind B2 · utility
2Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Oct 10, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0308
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc cartridge of the present invention is provided with a protrusion section on a shutter sliding surface so as to surround at least part of an opening. Moreover, a shutter for opening and closing the opening is provided with a shielding section for covering the opening and the protrusion section and a sliding surface for sliding on a shutter sliding surface during opening and closing operations of the shutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.