Uniform intensity per pixel when the linear speed of a laser bea

Details Uniform intensity per pixel when the linear speed of a laser bea Uniform intensity per pixel when the linear speed of a laser bea

1986-07-30

1988-07-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250235, G01J 132

Patent

active

047571918

ABSTRACT:
A modulated laser beam emitted from a semiconductor laser is deflected by a rotating light beam deflector to scan a desired surface. The frequency of an image scanning clock signal and the intensity of the laser beam from the semiconductor laser are varied according to a scanning rate at which the surface is scanned by the modulated laser beam.

REFERENCES:
patent: 4204233 (1980-05-01), Swager
patent: 4270131 (1981-05-01), Tompkins et al.
patent: 4443695 (1984-04-01), Kitamura
patent: 4518998 (1985-05-01), Warner
patent: 4622593 (1986-11-01), Curry

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