High efficiency optical scanner with multiplexing means
US4782228A · kind A · utility
27Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Jan 16, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An improved optical system having an opto-mechanical scanner for increasing the duty cycle of the scanner while maintaining a constant optical aperture throughout the scan. Two alternating optical paths are provided between the scanner and a transducer by use of an optical multiplexer synchronized with the scanner rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.