Image input device having color temperature measuring and...

Details Image input device having color temperature measuring and... Image input device having color temperature measuring and...

2005-08-30

2010-11-02

Chan, Jason (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

Reexamination Certificate

active

07825957

ABSTRACT:
An image input device according to the present invention comprises an optical lens, an image sensor, a color filter disposed between the optical lens and the image sensor, a memory for temporarily memorizing the imaging signal from the image sensor, a color temperature measuring circuit for measuring a color temperature of the imaging signal read from the image sensor for each of measurement areas into which an entire area of the image sensor is optionally divided, a measurement result storing circuit for temporarily memorizing a result of the color temperature measurement obtained by the color temperature measuring circuit, and a color temperature circuit for inputting the imaging signal from the memory and the color temperature measurement result from the measurement result storing circuit and the color temperature of the imaging signal for each of divided correction areas based on a result of the per-area color temperature measurement.

REFERENCES:
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patent: 2004/0095478 (2004-05-01), Takano et al.
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patent: 08237673 (1996-09-01), None
patent: 2000-041179 (2000-02-01), None
patent: 2002-271638 (2002-09-01), None
patent: 2002271638 (2002-09-01), None
Chinese Office Action with English translation issued in corresponding Chinese Patent Application No. CN 200510098206.3, issued Jul. 13, 2007.

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