Patent ID: 11964496
Assignee: RICOH COMPANY, LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 0:
1. An optical writing device comprising:
a light source configured to emit light at a prescribed write clock frequency, the light emitted from the light source indicating image data;
a light deflector configured to deflect write light including repetition pulsed light corresponding to the image data to scan a moving surface of a photoconductor repeatedly in a main scanning direction, and to write a latent image on the surface of the photoconductor based on the image data;
a light-deflector controller configured to control speed of operation of the light deflector based on image magnifying-power information in a sub-scanning direction parallel to a direction in which the surface of the photoconductor moves; and
a write clock frequency controller configured to control the prescribed write clock frequency such that a number of clock pulses of the write light will become a target number of pulses over a period where the write light scans an area within a prescribed distance in the main scanning direction, the write clock frequency controller being configured to maintain the target number of pulses even when the speed of operation of the light deflector is changed by the light-deflector controller.