Recording apparatus having alterable recording density

Details Recording apparatus having alterable recording density Recording apparatus having alterable recording density

1992-09-18

1993-08-03

Pendegrass, Joan H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

358298, G03G 1504

Patent

active

052333680

ABSTRACT:
A recording apparatus having an alterable recording density includes two laser diodes, the first laser diode having its beam intensity altered in accordance with a recording density, the second laser diode having its beam intensity constant independently of the recording density. An SOS sensor is provided to detect laser beams for obtaining a horizontal synchronizing signal to be a reference of timing to start image writing. The SOS sensor is always irradiated by the second laser diode.

REFERENCES:
patent: 3970845 (1976-07-01), Hollis
patent: 4178064 (1979-12-01), Mrdjen
patent: 4393387 (1983-07-01), Kitamura
patent: 4616132 (1986-10-01), Kessler
patent: 4940310 (1990-07-01), Hamada
patent: 5153604 (1992-10-01), Tutiyasu

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