Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1988-03-23
1990-03-06
Westin, Edward P.
Facsimile and static presentation processing
Facsimile
Recording apparatus
250211J, 357 30, H01J 4014
Patent
active
049068563
ABSTRACT:
A photoelectric conversion array is comprised of a longitudinal semiconductor substrate formed with a plurality of doped regions electrically isolated from one another and equidistantly aligned in the longitudinal direction of the substrate. Each doped region is comprised of a first region containing therein base, collector and emitter regions arranged to constitute a bipolar phototransistor operative in response to irradiation of incident light onto the base region to induce a photoelectric current between the collector and emitter regions, and a second region disposed adjacent to and laterally of the first region and containing therein a drain region, a source region, a channel region between the drain and source regions and a gate region disposed on the channel region to constitute a MOS switching transistor electrically connected in series to the bipolar phototransistor and selectively operative in response to a control voltage applied to the gate region to enable the induced photoelectric current to flow through the channel region to thereby drive the corresponding bipolar phototransistor.
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Iwanami Eiichi
Kawahara Yukito
Mukainakano Hiroshi
Adams Bruce L.
Seiko Instruments Inc.
Shami Khaled
Westin Edward P.
Wilks Van C.
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