Optical scanning apparatus for presenting the dislocation of a stationary mirror
US4869582A · kind A · utility
14Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1987 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Dec 11, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/1135
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical apparatus in which optical devices are abutted against reference planes for positioning secured in the housing case of an optical system, and the housing cover is put on said housing case. On the inside surface of the housing cover a rib is provided to restrict the movement of the optical devices with the cover securely put on the housing case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.