Laser printer and light source suitable for the same

Details Laser printer and light source suitable for the same Laser printer and light source suitable for the same

1997-11-07

2000-07-18

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

372 97, 372 72, 333227, 333238, 333246, H01S 308

Patent

active

060914394

ABSTRACT:
A laser printer is provided printing with a high precision simply and at a high speed, and the laser printer uses a semiconductor laser which can vary the diameter of the emitted light while the light density is held constant. In the laser printer, laser rays emitted from a semiconductor laser are irradiated onto a photoconductor to vary its surface potential to produce a charge pattern particles adhere, and printing is performed by transferring the changed particles to a printing object. The semiconductor laser has a plurality of waveguide type resonators, the emitted beams of the resonators having a spatial superposition, and light emission is possible so that the emitted beams of the resonators having a spatial superposition with respect to each other among the resonators of the semiconductor laser are not substantially superimposed in time.

REFERENCES:
patent: 5007066 (1991-04-01), Eda
patent: 5809053 (1998-09-01), Nakatsuka et al.

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