Image reading apparatus having a light source controller

Details Image reading apparatus having a light source controller Image reading apparatus having a light source controller

1998-03-30

2000-02-15

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

358475, G01J 132

Patent

active

060255846

ABSTRACT:
An image reading apparatus includes a transfer mechanism for successively transferring a plurality of document sheets along a transfer path, an instant-on type light source for irradiating each transferred document sheet with light, an image sensor for reading images of each transferred document sheet by detecting the light reflected therefrom, and a controller for turning on the light source while the image sensor is reading each transferred document sheet but for turning off the light source upon completion of reading each transferred document sheet.

REFERENCES:
patent: 5122665 (1992-06-01), Kurashima

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