Solid state image pick-up apparatus and method for increased lum

Details Solid state image pick-up apparatus and method for increased lum Solid state image pick-up apparatus and method for increased lum

1993-07-14

1995-07-25

Groody, James J.

Television

Camera, system and detail

With plural image scanning devices

348263, 348265, H04N 909

Patent

active

054366615

ABSTRACT:
A solid state image pick-up apparatus including an objective lens for forming an image of an object, and a color separation optical system for dividing said image of the object into four color images, e.g. first and second green images, a red image and a blue image, one of said four color images being right and left reversed, first to fourth solid state image sensors for receiving said four color images respectively to derive first and second green color signals, a red color signal and a blue color signal. Light receiving elements of said first solid state image sensor are shifted with respect to those of the second solid state image sensor by a half of a pitch at which these light receiving elements are arranged in a horizontal scanning direction to perform a so-called offset-site pick-up. The first and second green image signals are mixed with each other at an ideal ratio of 1:1 to derive a green color signal. An image signal derived from one of said four solid state image sensors which receives said right and left reversed image is processed by a reverse circuit. Said green color signal, red color signal and blue color signal are supplied to a luminance matrix and are mixed therein to produce a luminance signal having a high resolution.

REFERENCES:
patent: 4334238 (1982-06-01), Morishima et al.
patent: 4507679 (1985-03-01), Bendell
patent: 5184212 (1993-02-01), Yamamoto et al.
Patent Abstracts of Japan, vol. 12, No. 228 (E-627) 28 Jun. 1988 and JP-A-63 020 990 (Matsushita Electric Ind. Co. Ltd.) 28 Jan. 1988.
Patent Abstracts of Japan, vol. 15, No. 351 (E-1108) 5 Sep. 1991 and JP-A-03 135 285 (Matsushita Electric Ind. Co. Ltd.) 10 Jun. 1991.

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