Patent ID: 6281991
Filing Date: 2001-08-28
Classification: H04N,H05B,Y02B

Abstract:
A self-illumination scanner apparatus comprising:an illumination light-emitting member which comprises an LED group obtained by connecting a plurality of LEDs in series with each other, and illuminates a surface to be sensed including an image;a solid-state image sensing element for receiving light reflected by the surface to be sensed illuminated by said illumination light-emitting member, and generating an image signal corresponding to the image of the surface;a drive circuit for controlling driving of said solid-state image sensing element to sense the image; anda booster circuit which serves as a power supply circuit for said illumination light-emitting member, and generates a high voltage by piling up a predetermined power supply voltage in said apparatus, and a frequency-divided pulse obtained by frequency-dividing a predetermined pulse output from said drive circuit.