Apparatus for and method of processing display signal

Details Apparatus for and method of processing display signal Apparatus for and method of processing display signal

2007-10-23

2007-10-23

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S204000, C345S212000

Reexamination Certificate

active

10842438

ABSTRACT:
An apparatus for processing a display signal in a display device, the apparatus including a sampling clock sampling data set by a control signal, an analog-to-digital converter converting analog R, G, and B signals into digital image data according to the sampling clock, a data enable signal generating portion determining the start and end of valid data output from the analog-to-digital converter and generating a data enable signal, a scaler converting the digital image data output from the analog-to-digital converter into signals for a predetermined resolution, wherein the scaler is synchronized with the data enable signal generated by the data enable signal generating portion, a phase locked loop portion providing the sampling clock to the analog-to-digital converter and the data enable signal generating portion, and a control portion providing the control signal to the phase locked loop portion and controlling the data phase of the scaler.

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