Anti erase interlock for a magnetic tape cassette
US4348707A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1979 |
| Grant date | Sep 7, 1982 |
| Priority date | — |
| Expiry date | Jun 25, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08714
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic tape cassette for a tape recorder, having at least one erase interlock device including an actuating member movable over a defined path in the cassette between a operating position in which an opening in the housing is uncovered, and a position in which the opening is closed. The cassette includes at least one latching element preventing movement from a third position and either of the first two positions. Preferably the latch is movable, and in addition the interlock may be set in a fourth position from which it can be moved only upon disassembly of the cassette.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.