Videocassette flange with time available gauge
US5370332A · kind A · utility
12Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Nov 18, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S242/912
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A reel flange for a magnetic tape cassette reel has apertures for viewing the tape on the reel. The apertures provide a system for visually estimating the quantity of tape contained on the reel. The flange provides the combined advantages of greater choice of materials for making the flange and improved accuracy in estimating the quantity of tape contained on the reel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.