Laser printer apparatus

Details Laser printer apparatus Laser printer apparatus

1997-05-27

1999-07-13

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347241, G01D 1500, G01D 942

Patent

active

059233583

ABSTRACT:
Through an imaging lens, respective luminous fluxes from a semiconductor laser array light source comprising a plurality of semiconductor laser devices arranged in a row form images on a photosensitive surface, thereby effecting light dot formation (light scanning) on a surface to be scanned without using mechanical light-scanning means such as polygon mirror. The laser printer apparatus comprises a semiconductor laser array light source (1) composed of a number of semiconductor laser devices (light-emitting devices; 1a) arranged in a row, and an imaging lens (3) for forming images of the luminous fluxes from the respective light-emitting devices (1a) in a row on a photosensitive surface (2). The semiconductor laser array light source (1) comprises not less than 700 pieces of minute semiconductor laser devices (1a) arranged in a row and is adapted to modulate laser beams from the respective devices (1a) independently of each other.

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