Optical scanner and image forming device using the optical scanner
US8310739B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Mar 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/02485
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical scanner includes an optical housing, which houses a light source, an aperture stop, a condensing lens and a rotary deflector, light from the light source entering into the rotary deflector via the aperture stop and the condensing lens, and the light deflected by the rotary deflector scanning a target to be irradiated, a fastener, which fastens the condensing lens to the optical housing, and a fastener attachment portion to which the fastener is attached, the fastener attachment portion being disposed in a downstream side of the condensing lens in a traveling direction of the light in the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.