Smear reduction in solid state television camera

Details Smear reduction in solid state television camera Smear reduction in solid state television camera

1984-10-29

1985-12-10

Brown, Thomas W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 41, 358167, 358209, 357 24, H04N 530

Patent

active

045583668

ABSTRACT:
A solid state television camera having a solid state image sensing device including a plurality of individual light sensing units arranged in both horizontal and vertical rows and for sequentially generating a signal corresponding to an image by transferring a charge generated by the light sensing units is disclosed, which includes a synchronizing signal generator for generating horizontal and vertical synchronizing signals, a clock pulse generator for generating a clock pulse corresponding to the horizontal synchronizing signal and controlling the sequential transfer of the charge representing one horizontal line of the image, the number of the clock pulses being equal to the sum of the number of the horizontal rows and a predetermined number, a detecting circuit for detecting the signal during the period of the predetermined number of the clock pulse, the period being after the signal corresponding to the image is obtained and a part of a vertical blanking period, a compensating signal generator supplied with the output of the detecting circuit and for generating a compensating signal, and a compensating circuit for removing the undesirable signal based on the charge mixed to the charge representing the image during the transfer of the latter charge by using the compensating signal.

REFERENCES:
patent: 4010319 (1977-03-01), Levine

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