Scanning optical system having a tilting correcting function
US4585296A · kind A · utility
21Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1984 |
| Grant date | Apr 29, 1986 |
| Priority date | — |
| Expiry date | Apr 18, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0031
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A compact scanning optical system includes a scanning light beam generator, a detector for deflecting the light beam from the generator in a predetermined direction, a first optical system for forming the light beam from the generator linearly near the deflecting and reflecting surface of the deflector, and a single optical element disposed and having a power between the deflector and a surface to be scanned. The single optical element has a power both in the deflection plane of the light beam deflected by the deflector and a plane orthogonal to the deflection plane and has different powers in the orthogonal planes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.