Image taking apparatus with an A/D converter and DSP with...

Details Image taking apparatus with an A/D converter and DSP with... Image taking apparatus with an A/D converter and DSP with...

2006-02-14

2006-02-14

Ometz, David L. (Department: 2615)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S333010, C348S231990

Reexamination Certificate

active

06999115

ABSTRACT:
An image taking apparatus, which can reduce the power consumption of the total system of the image taking apparatus without deteriorating image quality when an image is displayed on a liquid crystal display (LCD), is provided. In the image taking apparatus, the quantization bit number at an analog to digital (A/D) converter and the signal processing bit number at a digital signal processor (DSP) are variable. With this, at an LCD displaying mode that video signals are displayed on the LCD, the quantization bit number at the A/D converter is reduced and also the signal processing bit number at the DSP is reduced to the same bit number at the A/D converter. With this operation, at the LCD displaying mode, the power consumption at the A/D converter and the DSP is reduced, therefore the power consumption of the total system of the image taking apparatus is largely reduced.

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