Hologram scanner
US4655541A · kind A · utility
9Cited by
2References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1984 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Nov 28, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/106
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hologram scanner includes a laser source, a rotary body having a rotational axis at least one hologram facet arranged on the rotary body for diffracting a laser beam from the laser source to scan an object and receive the scattered light from the object for detection thereof, a motor means for driving the rotary body, and an optical detector for detecting the scattered light received and diffracted by the hologram facet. The hologram facet is inclined with respect to the rotational axis of the rotary body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.