Single substrate semiconductor device for image sensing and prin

Details Single substrate semiconductor device for image sensing and prin Single substrate semiconductor device for image sensing and prin

1988-12-23

1991-10-22

Coles, Sr., Edward L.

Optics: image projectors

Plural projection paths with single light source

358482, H04N 1024

Patent

active

050600842

ABSTRACT:
A semiconductor device for image sensing and printing comprises an integrated circuit composed of a single semiconductor substrate on which are integrated a linear array of phototransistors, driving circuits and control circuits. The control circuits are operable in a read mode for processing output signals from the phototransistors to enable transmission thereof to an external device and are operable in a print mode for processing inputted image data signals to produce printing signals which are applied to the driving circuits for use in driving an external printing device.

REFERENCES:
patent: 4466020 (1984-08-01), O'Connell
patent: 4549223 (1985-10-01), Ozawa
patent: 4636813 (1987-01-01), Mego et al.
patent: 4706128 (1987-11-01), Tanioka et al.
patent: 4724490 (1988-02-01), Tanioka
Ire Wescon Convention Record, vol. 29, No. 11/1, Nov. 1985, "Development of Thinfilm High Speed Thermal Head for Line Printing", Y. Nishiguchi, pp. 1-11.

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