Laser irradiating apparatus and laser recording apparatus using

Details Laser irradiating apparatus and laser recording apparatus using Laser irradiating apparatus and laser recording apparatus using

1989-09-07

1991-01-22

Reinhart, Mark J.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

372 26, 372 95, H04N 125, H01S 310

Patent

active

049874268

ABSTRACT:
The present invention provides a laser irradiating apparatus which comprises a laser which can be directly modulated by a modulation signal, and in which laser oscillation becomes unstable when the intensity of the modulation signal is smaller than a predetermined threshold value, and laser oscillation becomes stable when the intensity of the modulation signal is larger than the predetermined threshold value, means for comparing the intensity of the modulation signal with a predetermined value near the predetermined threshold value, and means for modulating an emission time of the laser when the intensity of the modulation signal is smaller than the predetermined value.

REFERENCES:
patent: 4679057 (1987-07-01), Hamada
patent: 4814791 (1989-03-01), Ohara et al.

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