BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING
FIG. 1 is a timing diagram of an example of an analog video signal waveform for a pixel.
FIG. 2 is an electrical diagram, in block form, of a display system constructed according to the preferred embodiments of the invention.
FIG. 3 is an electrical diagram, in block form, of circuitry for optimizing the sample phase of the analog input video signal, constructed according to the preferred embodiments of the invention.
FIG. 4 is a timing diagram of an example of an analog video signal waveform for a pixel, illustrating the operation of the preferred embodiments of the invention.
FIG. 5 is an electrical diagram, in schematic and block form, illustrating the construction of comparison circuitry in the optimizing circuitry of FIG. 3, according to the preferred embodiments of the invention.
FIG. 6 is a flow diagram illustrating the operation of a method of optimizing the sample phase of an analog input video signal, according to a first preferred embodiment of the invention.
FIG. 7 is a flow diagram illustrating the operation of a method of optimizing the sample phase of an analog input video signal, as a variation to the first preferred embodiment of the invention.
FIG. 8 is a flow diagram illustrating the operation of a method of optimizing the sample phase of an analog input video signal, according to a second preferred embodiment of the invention.
FIG. 9 is an electrical diagram, in block form, of circuitry for measuring the activity of a region of an image to be displayed, as used in connection with the preferred embodiments of the invention.
FIGS. 10
a through 10c are timing diagrams illustrating the effects of sample frequency error relative to the pixel rate of an analog input video signal.
FIG. 11 illustrates the operation of an aspect of the preferred embodiments of the invention in which sample frequency error is measured.
FIG. 12 is a flow diagram illustrating the operation of measuring sample frequency error in connection with the preferred embodiments of the invention.