Dual-beam scanning electro-optical device from single-beam light

Details Dual-beam scanning electro-optical device from single-beam light Dual-beam scanning electro-optical device from single-beam light

1994-01-10

1995-07-25

Sugarman, Scott J.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359250, 359256, 359259, 359494, 359495, G02F 101, G02F 111, G02F 129, G02B 530

Patent

active

054367557

ABSTRACT:
A raster output scanning system is disclosed which utilizes a single light source, an electro-optical device and a beam-splitter to generate two light beams in order to simultaneously scan two adjacent scan lines. Two different trains of pixel information are used to control the intensity of the laser light source and the degree of the polarization of the electro-optical device in order to modulate the two light beams with two separate trains of pixel information without using a modulating device. Each of the two light beams exiting the beam-splitter is modulated in accordance with one of the two trains of pixel information.

REFERENCES:
patent: 5251057 (1993-10-01), Guerin
patent: 5251058 (1993-10-01), MacArthur
patent: 5258869 (1993-11-01), Nochebuena

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