Laser beam printing device with mirror rotation speed controlled

Details Laser beam printing device with mirror rotation speed controlled Laser beam printing device with mirror rotation speed controlled

1994-04-21

1997-10-14

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347248, H04N 121

Patent

active

056777248

ABSTRACT:
A laser beam printing device for conducting the print includes a control circuit for controlling a rotation speed of a rotation mirror which reflects the laser beam to scan, an image processing circuit for outputting image information in synchronism with an origin pulse signal, and an origin sensor to receive the laser beam to generate a detection signal and to transmit the signal to the image processing circuit as the origin pulse signal. The control circuit receives the detection signal from the origin sensor as a signal for detecting the rotation speed of the rotation mirror.

REFERENCES:
patent: 3806643 (1974-04-01), Russell
patent: 4816924 (1989-03-01), Sekiya
patent: 5140349 (1992-08-01), Abe et al.

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