Optical writing device and image forming apparatus
US7733362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Mar 9, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0404
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A rotating deflection unit deflects a laser light emitted from a light-emitting element and performs a scanning with the laser light. A light-intensity detecting unit detects a light intensity of the laser light. A current control unit controls a current to be supplied to the light-emitting element so that the light intensity of the laser light reaches a target light intensity. An initializing unit determines an initial current value with which the target light intensity is obtained from the light-emitting element by eliminating an influence of a noise caused by a reflected light input into the light-intensity detecting unit from the rotating deflection unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.