Laser beam scanner
US4848862A · kind A · utility
32Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1987 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Oct 8, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10871
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A laser beam scanner comprising a scanning window through which scanning beams are emitted, a plurality of hologram layers constituting the scanning window, and an optical system for impinging a laser beam on the hologram layers in a manner such that the trace of the laser beam scanning each hologram layer intersets that of the other hologram layers on the scanning window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.