CCD circuitry for line-sequential read out of a photosensor arra

Details CCD circuitry for line-sequential read out of a photosensor arra CCD circuitry for line-sequential read out of a photosensor arra

1986-01-23

1987-07-07

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821318, H04N 314

Patent

active

046790900

ABSTRACT:
Diagonally disposed line-selection artifacts appear in the video signal from a CCD imager using a line-transfer register, owing to differential delay in a side-loaded CCD shift register used for transferring charge packets from the image sensing array to the charge sensing output stage. The extent of these line-selection artifacts is shortened in the direction of line scan by spatial multiplexing, so they occur entirely within line retrace intervals. The line-selection artifacts are then suppressed by normal line retrace blanking.

REFERENCES:
patent: 3967055 (1976-06-01), Teer et al.
patent: 3995107 (1976-11-01), Woywood
patent: 4242700 (1980-12-01), Weimer
patent: 4539596 (1985-09-01), Elabd
patent: 4598321 (1986-07-01), Elabd et al.
patent: 4607286 (1986-08-01), Weimer
patent: 4612580 (1986-09-01), Weimer

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