Image processing device for adjusting characteristic data...

Details Image processing device for adjusting characteristic data... Image processing device for adjusting characteristic data...

2006-04-18

2006-04-18

Chang, Kent (Department: 2675)

Computer graphics processing and selective visual display system

Display driving control circuitry

C348S771000, C348S581000

Reexamination Certificate

active

07030867

ABSTRACT:
In an image display apparatus of the present invention, at a predetermined timing, a characteristic data setting module actuates a reference image signal generation module to generate an analog reference image signal, based on reference image data prepared in advance. The characteristic data setting module then controls a signal selector module to select the analog reference image signal. An A-D converter module converts the analog reference image signal selected by the signal selector module into a digital image signal according to preset characteristic data. The characteristic data setting module adjusts the characteristic data set in the A-D converter module to make image data expressed by the digital image signal input from the A-D converter module into an image conversion processing module approach to the reference image data. This arrangement ensures easy adjustment of the operating characteristics of the image display apparatus.

REFERENCES:
patent: 4868668 (1989-09-01), Tavernetti
patent: 5742274 (1998-04-01), Henry et al.
patent: 5790096 (1998-08-01), Hill, Jr.
patent: 6342898 (2002-01-01), Pettitt
patent: 2001/0035870 (2001-11-01), Takeuchi et al.

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