Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-10-30
1994-11-08
Eisenzopf, Reinhard J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358401, 358298, H04N 129
Patent
active
053632087
ABSTRACT:
There is disclosed an image forming apparatus for generating a printing signal having a pulse width according to image density data corresponding to an image to be formed and forming dot images on a paper, each dot image having a size corresponding to the pulse width. An integrating circuit integrates the image density data for a predetermined integration period and outputting integrated image density data, and a comparator compares the integrated image density data with a predetermined threshold data and generating a printing signal having a pulse width corresponding to the comparison result thereof.
REFERENCES:
patent: 3564130 (1971-02-01), Crooks et al.
patent: 3662092 (1972-05-01), Morton
patent: 3965290 (1976-06-01), Tisue
patent: 4763199 (1988-08-01), Suzuki
patent: 4782398 (1988-11-01), Mita
patent: 4800442 (1989-01-01), Riseman et al.
patent: 4897734 (1990-01-01), Sato et al.
patent: 4999718 (1991-03-01), Arai
"Video Pick-Off Circuit" Pruett et al. IBM Tech Discl. Bull vol. 24 No. 5 Oct. 1981, p. 2231.
Nishiyama Masaaki
Ogino Shigeo
Eisenzopf Reinhard J.
Jackson Jill
Minolta Camera Kabushiki Kaisha
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