High resolution quadrilinear CCD imager with four channel to one

Details High resolution quadrilinear CCD imager with four channel to one High resolution quadrilinear CCD imager with four channel to one

1983-04-20

1986-06-03

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 530

Patent

active

045933197

ABSTRACT:
A high resolution quadrilinear CCD imager array which incorporates a unique on-chip multiplexing technique. The multiplexing is accomplished in two consecutive steps. First the two video outputs on either side of the sensor array are multiplexed through a CCD channel. This multiplexed output is then sensed through a source follower circuit, one on either side of said sensor array. A non-overlapping clocking technique is used to sample and hold the signals on either side and simultaneously the second level of multiplexing is also accomplished, giving a 4:1 video multiplexed output. The final signal is sensed through a second stage source follower circuit. Bad pixel deletion is effected by overriding the sample and hold signal.

REFERENCES:
patent: 4167754 (1979-09-01), Nagumo
patent: 4432017 (1984-02-01), Stoffel
patent: 4438457 (1984-03-01), Tandon
patent: 4471387 (1984-09-01), Nadler
patent: 4472744 (1984-09-01), Inoue
patent: 4473845 (1984-09-01), Dajy
patent: 4481539 (1984-11-01), Meise
patent: 4492980 (1985-01-01), Harada
patent: 4528594 (1985-02-01), Kadekodi

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