Image tracking of optical media using two wavelength optical head
US5398226A · kind A · utility
5Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1992 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Jun 25, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0901
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imaging tracking system and method for tracking optical media using a two wavelength optical head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.