Image writing device

Details Image writing device Image writing device

1990-08-28

1992-12-08

Arnold, Bruce Y.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359201, 340713, G02F 113, G02B 2608

Patent

active

051702703

ABSTRACT:
An image writing device including a beam source emitting laser beam, a memory for storing a plurality of frames of image data, a modulator for modulating the laser beam with the image data, at least one liquid crystal cell, a scanner for scanning the liquid crystal cell with the laser beam sweeping the same, a shift device for shifting the liquid crystal cell in the direction orthogonal to the scanning direction, and controller for reading the image data from the memory and actuating the laser beam to write the plurality of frames of images in different areas on the liquid crystal cell.

REFERENCES:
patent: 3796999 (1974-03-01), Kahn
patent: 4109316 (1978-08-01), Snyder
patent: 4548474 (1985-10-01), Nagae et al.
patent: 4696550 (1987-09-01), Shinoya
patent: 4810064 (1989-03-01), Azusawa et al.
patent: 4952034 (1990-08-01), Azusawa et al.
patent: 5026145 (1991-06-01), Marui et al.
patent: 5103332 (1992-04-01), Kaneko et al.
Lu et al, "Laser-Addressed Liquid Crystal Light Modulators for Color Electronic Imaging with Mead Microencapsulated Paper", Society for Information Display International Symposium Digest of Technical Papers, vol. XVIII, New Orleans, La., May 12-14, 1987, pp. 367-370.

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