Optical scanner

Details Optical scanner Optical scanner

1989-08-02

1991-08-20

Dzierzynski, Paul M.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

369 4411, 369110, 359211, 359212, G02B 2608, G11B 700

Patent

active

050408615

ABSTRACT:
An optical scanner has a light distributor rotating about an axis spaced from but parallel to the optical axis of at light source. Lenses are mounted on a carrier that rotates about the optical axis. The distributor and carrier rotate a the same angular velocity and are arranged so that the lens and associated distributor move across the media at the same time. By rotating the lens about the optical axis, the scanning beam remains in the central zone of the lens as it passes across the media.

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German Patent 595,822, Feb. 10, 1932.
German Patent Abstract 55113018, Feb. 23, 1979.
Japanese Patent Abstract 63307419, Dec. 15, 1988.
Ishibashi et al., "High Speed Accessing Magneto-Optical Disk Drive", 1988, pp. 8-15, SPIE, vol. 899, Optical Storage Technology and Applications.

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