Patent · US Expired

Light-emitting device driver and image forming apparatus

US7224380B2 · kind B2 · utility

3Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 2004
Grant dateMay 29, 2007
Priority date
Expiry dateJul 9, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/12
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light-emitting device driver that includes a driver unit that drives a light-emitting device, a compensator that compensates for at least one of the rising and falling responses of the driver unit, a switching unit that switches on and off the compensator, and a control unit that performs on/off control on the switching unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.