Imaging device equipped with multiple output channel imaging ele

Details Imaging device equipped with multiple output channel imaging ele Imaging device equipped with multiple output channel imaging ele

1995-09-05

1998-04-07

Boudreau, Leo

Television

Camera, system and detail

Combined image signal generator and general image signal...

348300, 348321, 348677, 348673, 348691, H04N 5235, H04N 5335, H04N 314, H04N 5202

Patent

active

057370150

ABSTRACT:
The direct current voltage level and amplification of a multiple channel output imaging element are adjusted by comparing the output values of each channel. A calculating device, such as, for example, a CPU uses the data of one channel (i.e., a standard channel), which was sampled by a sampling circuit, as a standard, and then takes the difference between this data and the data of the other channels to calculate the offset and amplification differences. The results are sent to a D/A unit, which sends regulating voltages to offset regulating circuits and to amplifying circuits. In this manner, the offsets and amplifications of each channel are adjusted so as to become equal.

REFERENCES:
patent: 4314272 (1982-02-01), Miyaji et al.
patent: 4525741 (1985-06-01), Chahal et al.
patent: 4931864 (1990-06-01), Kawamura et al.
patent: 5231501 (1993-07-01), Sakai
patent: 5283655 (1994-02-01), Usami
patent: 5307158 (1994-04-01), Tsuruta et al.

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