Camera for recording television, photographic or cinematographic

Details Camera for recording television, photographic or cinematographic Camera for recording television, photographic or cinematographic

1986-08-01

1988-03-29

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821326, 358221, H04N 314

Patent

active

047347759

ABSTRACT:
The camera has a solid-state image sensor (FTD) comprising a pick-up member (I), a storage member (M) and a shift register member (SR) having three output shift registers (SR1, SR2, SR3). The picture signals (S1, S2, S3) originating from the output registers must be combined in a monochrome camera or a color camera with several image sensors to form a balanced composite picture signal (S0). To this end, the camera comprises a control system for fixing one and the same black level in the three picture signals. Via the control system including a common differential amplifier (AM) and multiplex (MUXa, MUXb) and demultiplex circuits (DEMUX), signal reset levels are fixed in the three picture signals (S1, S2, S3) with the aid of peak rectifier circuits (PR1, PR2, PR3) in such a manner that more or less the same signal black level occurs in the picture signals.

REFERENCES:
patent: 4498105 (1985-02-01), Crawshaw
patent: 4589025 (1986-05-01), Monahan et al.
patent: 4635126 (1987-01-01), Kinoshita
patent: 4644287 (1987-02-01), Levine

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