Image forming apparatus
US9250562B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2015 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Apr 1, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/04072
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus causes a BD sensor to generate two BD signals based on laser beams emitted from first and second light-emitting portions and measures the generation timing difference therebetween. When measurement is to be executed, the image forming apparatus executes APC as light power control on the first light-emitting portion that emits a laser beam for causing the BD sensor 210 to generate the first BD signal. On the other hand, the image forming apparatus executes ACC, rather than APC, as light power control on the second light-emitting portion that emits a laser beam for causing the BD sensor to generate the second BD signal that follows the first BD signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.