Laser recorder with piezoelectric bimorph focal length vibrator

Details Laser recorder with piezoelectric bimorph focal length vibrator Laser recorder with piezoelectric bimorph focal length vibrator

1979-09-17

1981-06-16

Miller, Jr., George H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

350255, 350 66, G01D 942, G02B 702, G02B 2717

Patent

active

042741017

ABSTRACT:
In a laser beam recording apparatus comprising a laser source, an optical modulator for modulating the intensity of the laser beam from the laser source in response to an electrical signal, an optical scanner for deflecting the modulated laser beam, a recording medium on which the deflected laser beam is recorded, and a optical system for guiding the emitted laser beam from the laser source to recording medium, an automatic focusing device is provided for vibrating a lens or mirror in the optical system in synchronism with the scanning provided by the optical scanner, thereby converging the deflected laser beam into a small spot at any position on the recording medium.

REFERENCES:
patent: 1136761 (1915-04-01), Becker
patent: 3073215 (1963-01-01), Fischer
patent: 3900851 (1975-08-01), Bucy et al.
patent: 3995110 (1976-11-01), Starkweather
patent: 4019804 (1977-04-01), Collier
patent: 4040096 (1977-08-01), Starkweather
patent: 4182547 (1980-01-01), Siegmund

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