Electronic camera with basic operating clock frequency...

Details Electronic camera with basic operating clock frequency... Electronic camera with basic operating clock frequency...

2004-02-20

2008-10-21

Ometz, David (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S312000

Reexamination Certificate

active

07440014

ABSTRACT:
An electronic camera in which an analog signal output from a CCD image sensor is AD-converted and digital processing is performed on the AD-converted by an A/D converter in an analog front end, and the AD-converted signal DMA-transferred to a RAM through line memories in a signal processor. The signal processor controls a basic operating clock signal generated from a clock signal generation circuit so that the frequency of the clock signal is reduced during a read period in which processing including AD conversion of the analog signal output from the CCD image sensor is performed.

REFERENCES:
patent: 5343243 (1994-08-01), Maeda
patent: 5502578 (1996-03-01), Smitt
patent: 5838373 (1998-11-01), Hasegawa et al.
patent: 6870566 (2005-03-01), Koide et al.
patent: 10-13799 (1998-01-01), None

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