Solid-state color imaging apparatus

Details Solid-state color imaging apparatus Solid-state color imaging apparatus

Filed on

1993-03-18

Date issued

1994-08-09

Examiner

Groody, James J.

Patent Class

Television

SubClass

Camera, system and detail

SubSubClass

Combined image signal generator and general image signal...

Other Related Categories

348235, 348238, 348223, H04N 904, H04N 907, H04N 9097

Type

Patent

Status

active

Patent number

053371526

Description

ABSTRACT:
A first solid-state imaging element and second and third solid-state imaging elements are arranged spatially so as to be horizontally shifted half a pixel pitch from one another so that a light-sensitive portion of each pixel of the second and third solid-state imaging elements may correspond to a light-insensitive portion of each pixel of the first solid-state imaging element. A high-frequency component synthesizer circuit produces the high-frequency components of a luminance signal on the basis of the signal E.sub.G obtained by performing nonlinear process on the output of the first solid-state imaging element and the signal E.sub.R +E.sub.B obtained by performing nonlinear process on the outputs of the second and third solid-state imaging elements and mixing the resulting signals. At this time, based on the result of comparing the output signal of the first solid-state imaging element with the respective output signals of the second and third solid-state imaging elements, the mixing ratio of signal E.sub.R to E.sub.B is controlled.

REFERENCES:
patent: 4249203 (1981-02-01), Yamanaka
patent: 4638350 (1987-01-01), Kato et al.
patent: 4768085 (1988-08-01), Hashimoto
patent: 4879591 (1989-11-01), Takei
patent: 4931856 (1990-06-01), Hieda et al.
Japanese Patent Disclosure (KOKAI) 63-164589 (KOTAKI) Jul. 7, 1988.

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