Magnetic tape cassette with a tape-end detecting prism
US4783022A · kind A · utility
7Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1987 |
| Grant date | Nov 8, 1988 |
| Priority date | — |
| Expiry date | Jun 24, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08742
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic tape cassette in which the hubs are locked when the front panel is closed and having an optical prism adjacent the tape path between a tape guide member and a hub. A projection is provided between the prism and the hub so that the tape is tensioned between the tape guide member and the projection and never contacts the prism, even during cassette assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.