Magnetic tape cassette casing
US4546936A · kind A · utility
7Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1984 |
| Grant date | Oct 15, 1985 |
| Priority date | — |
| Expiry date | Mar 14, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/087
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic tape cassette comprises upper and lower casings to be assembled together and tape reels held in the assembled casings wherein the lower casing is provided with first reference holes at positions corresponding to reference pins formed in a magnetic tape cassette deck, to be fitted into the pins and second reference holes are formed in the upper casing so as to have the same center axis as that of the first reference holes, dimensions of all structural elements of the upper and lower casings being determined on the basis of both the reference holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.