Optical scanning apparatus and method

Details Optical scanning apparatus and method Optical scanning apparatus and method

1979-10-17

1982-09-07

Corbin, John K.

G02B 2717

Patent

active

043480802

ABSTRACT:
In an optical scanning apparatus, a hologram prepared by the interference of two rays of light, each of which has a spherical wave or one of which has a spherical wave and the other of which has a plane wave, is illuminated by a reconstruction light containing an image signal, and the reconstruction light and the hologram are moved relative to each other. A beam produced from the hologram in accordance with the relative movement of the hologram is led onto a surface to be scanned, while continuously changing its output angle, and plural beams containing image information therein, which are modulated by plural and different image signals, are caused to enter the hologram simultaneously. Plural beams are thus diffracted and plural lines on the surface to be scanned are scanned simultaneously.

REFERENCES:
patent: 3728031 (1973-04-01), Watson
patent: 3980389 (1976-09-01), Huignard et al.
patent: 4000493 (1976-12-01), Spaulding et al.
patent: 4133600 (1979-01-01), Russell et al.
patent: 4239326 (1980-12-01), Kramer
Sincerbox G. T., "Formation of Optical Elements by Holography", IBM Tech. Disclosure Bulletin, vol. 10, No. 3, Aug. 1967, pp. 267-268.

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