Image forming apparatus using variable light beam

Details Image forming apparatus using variable light beam Image forming apparatus using variable light beam

1992-02-07

1995-09-05

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347131, 347233, 347240, G01D 942, G01D 1514

Patent

active

054482780

ABSTRACT:
This invention modifies printing information from a laser scanner to improve the appearance of printed matter. This improvement takes into account the image data of a target pixel to be printed and the image data of adjacent pixels located before and after the target pixel, the pulse position of the target pixel. An operator can select whether to shift the radiation timing of a laser beam to the left or the right within one pixel, and whether to squeeze the laser beam to reduce its beam size or broaden it to increase its beam size.

REFERENCES:
patent: 4626923 (1986-12-01), Yoshida
patent: 4809021 (1989-02-01), Check et al.
patent: 5006704 (1991-04-01), Mochizuki et al.
patent: 5075780 (1991-12-01), Shibahara
patent: 5105280 (1992-04-01), Ogino et al.
patent: 5128699 (1992-07-01), Nakajima et al.
patent: 5144338 (1992-09-01), Sakano
patent: 5187495 (1993-02-01), Tanimoto et al.
patent: 5210545 (1993-05-01), Tomita
patent: 5241329 (1993-08-01), Guerin
"31st Meeting of Society of Electrophotography" pp. 128 and 142 to 144, Jul. 18, 1991.

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