Optical beam modulation and deflection device
US4701674A · kind A · utility
7Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1987 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0424
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical beam modulation and deflection device having a semiconductor laser mounted on a rotator which employs a rotating transformer so as to supply electrical power to the rotator in a contactless manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.