Method of scanning a laser beam in a straight line

Details Method of scanning a laser beam in a straight line Method of scanning a laser beam in a straight line

1979-08-29

1981-12-29

Corbin, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350320, 358201, G02F 133, G02B 2717

Patent

active

043079296

ABSTRACT:
A method of scanning a laser beam in a straight line is disclosed wherein a series of different frequency overlapping signals are applied to a first axis transducer of an acousto-optic modulator and a slowly varying frequency signal is applied to a second axis transducer of the acousto-optic modulator to generate a parallelogram matrix scan of a format converter which converts the scan to a linear scan focused in an image plane.

REFERENCES:
patent: 3619033 (1971-11-01), McMahon
patent: 3630594 (1970-05-01), Gorog
patent: 3885143 (1975-05-01), Ishii
patent: 3922059 (1975-11-01), Noguchi
patent: 3951509 (1976-04-01), Noguchi et al.
patent: 4076370 (1978-02-01), Wako

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