EXPOSING METHOD, EXPOSING UNIT, IMAGING APPARATUS, LIGHT MODULATION SIGNAL GENERATING UNIT AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide an exposing energy distribution producing method capable of obtaining a linear exposing energy distribution with a good controllability in a simple configuration. SOLUTION: An exposing method for exposing a photosensitive member by driving a laser driving circuit 19 by a light modulation signal while scanning the photosensitive member 14 by a light beam emitted from a semiconductor laser unit 12 according to the drive of the laser driving circuit, wherein the light modulation signal is a pulse train, and the exposing energy distribution at the time of exposing a photosensitive means is changed by changing the pulse width and the pulse pattern of the pulse train, is provided.