Image pick-up apparatus

Details Image pick-up apparatus Image pick-up apparatus

1985-09-18

1988-04-05

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

358293, 350 66, H01J 4014

Patent

active

047361107

ABSTRACT:
An image pick-up apparatus including a laser light source for emitting a laser beam, an acoustic-optical element for deflecting the laser beam in a main-scanning direction at a horizontal scanning frequency, a vibrating mirror for deflecting the laser beam deflected in the main-scanning direction in a sub-scanning direction perpendicular to the main-scanning direction at a vertical scanning frequency, an objective lens for projecting the laser beam deflected two-dimensionally onto a specimen as a fine spot, collecting a light flux reflected by the specimen, and directing the collected light flux onto the vibrating mirror, and a linear image sensor for receiving the light beam reflected by the vibrating mirror and having a number of photoelectric converting elements aligned linearly in the main-scanning direction. The linear image sensor is readout at the horizontal scanning frequency to derive an image signal.

REFERENCES:
patent: 4241257 (1980-12-01), Koester
patent: 4566788 (1986-01-01), Buczek

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