Image processing apparatus

Details Image processing apparatus Image processing apparatus

1984-02-27

1986-12-02

Groody, James J.

Optics: image projectors

Plural projection paths with single light source

353298, 375 22, H04M 140

Patent

active

046269231

ABSTRACT:
An image processing apparatus has a decoder for decoding input image data, a pulse width modulation circuit for producing a signal for pulse width modulation of a laser beam from a laser diode in accordance with decoded image data, and latch circuits to delay the output signal from the pulse width modulation circuit. The apparatus produces a half tone image with the center of each dot of each different size coinciding with that of a pixel.

REFERENCES:
patent: 4347523 (1982-08-01), Ohara
patent: 4384297 (1983-05-01), Ohara et al.

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