Optical data tape cartridge having wide angle read/write surface
US4524925A · kind A · utility
7Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1984 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Feb 17, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tape cartridge for optical data recording and storage tape has a large diameter capstan tangent on three sides to transparent windows. Simultaneous operations may be performed both widthwise and lengthwise on the tape tracks by multiple laser energy beams and detectors. The capstan may be driven by external mechanical or magnetic means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.