Laser marking apparatus including an acoustic modulator

Details Laser marking apparatus including an acoustic modulator Laser marking apparatus including an acoustic modulator

1992-05-12

1994-05-03

Pendegrass, Joan H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346 76L, 359286, G01D 1514, G02F 111, H04N 100

Patent

active

053091787

ABSTRACT:
A laser marking apparatus includes at least one laser beam source, a multichannel acoustic modulator defining a plurality of at least partially overlapping modulation regions, apparatus for directing at least one laser beam from the at least one laser beam source through the multichannel acoustic modulator such that each laser beam extends across at least two of the at least partially overlapping modulation regions, and imaging apparatus for directing light from the modulator to a laser marking image plane.

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patent: 4244005 (1981-01-01), Jurgensen
patent: 4506275 (1985-03-01), Maeda
patent: 4516838 (1985-05-01), Bademian
patent: 4520047 (1985-05-01), Hillemanns et al.
patent: 4520472 (1985-05-01), Reno
patent: 4540245 (1985-09-01), Bademian
patent: 4617578 (1986-10-01), Nezu et al.
patent: 4634232 (1987-01-01), Tateoka
patent: 4667300 (1987-05-01), Guilfoyle
patent: 4743091 (1988-05-01), Gelbart
patent: 4810068 (1989-03-01), Shimazu et al.
patent: 4960320 (1990-10-01), Taniura

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