Television – Camera – system and detail – Optics
Reexamination Certificate
2005-10-04
2005-10-04
Garber, Wendy R. (Department: 2612)
Television
Camera, system and detail
Optics
C348S367000, C348S224100
Reexamination Certificate
active
06952233
ABSTRACT:
There is disclosed a video camera including a material element, arranged in a photographing optical system, for controlling the light transmission factor or amount, an image pickup element for receiving an optical image transmitted through the material element at the position of an imaging plane, and converting the optical image into an electrical signal, and a correction unit for correcting the light transmission factor wavelength dependency of the material element in accordance with the light transmission factor characteristics or light transmission amount characteristics of the material element.
REFERENCES:
patent: 4803550 (1989-02-01), Yabe et al.
patent: 4806776 (1989-02-01), Kley
patent: 4918534 (1990-04-01), Lam et al.
patent: 4984088 (1991-01-01), Tani et al.
patent: 4994917 (1991-02-01), Takayama
patent: 5047847 (1991-09-01), Toda et al.
patent: 5132805 (1992-07-01), Choi
patent: 5200813 (1993-04-01), Jeon
patent: 5325185 (1994-06-01), Tsuchiva
patent: 60-250785 (1985-12-01), None
patent: 63-054877 (1988-03-01), None
patent: 1-159470 (1989-11-01), None
patent: 04-070070 (1992-03-01), None
Loral Fairchild CCD Data Book, 1991, P334.
Official Communication regarding corresponding Japanese application (Ref. 4-224340) (with English translation).
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