Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1986-10-24
1990-01-30
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358456, 358410, 358464, 332109, H04N 140
Patent
active
048977349
ABSTRACT:
An image processing apparatus comprising a pixel data output for releasing pixel data, synthesis means for synthesizing a plurality of pixel data released from the pixel data output, a pattern signal generator for generating a pattern signal of a predetermined period, and means for forming a pulse-width modulated signal by utilizing the synthesized pixel data released from the synthesis means and the pattern signal.
REFERENCES:
patent: 3294896 (1986-12-01), Young, Jr.
patent: 3436472 (1969-04-01), Kyte
patent: 3911480 (1975-10-01), Briscker
patent: 3916096 (1975-10-01), Everett et al.
patent: 4196451 (1980-04-01), Pellar
Kuge Tsukasa
Sato Yasushi
Suzuki Yoshiyuki
Canon Kabushiki Kaisha
Coles Sr. Edward L.
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