Patent ID: 6654545
Filing Date: 2003-11-25
Classification: H04N

Abstract:
An image signal which carries image information corresponding to a frame, said image signal comprising:a display cycle identifier operable to indicate if image display timings between successive frames of a cycle of images are either constant or can be variable; wherein said image signal further comprises either: sub-unit time data operable to define a sub-unit time, wherein the sub-unit time is obtainable by dividing a prescribed time interval by said sub-unit time data, wherein said sub-unit time data being a natural number N, and display cycle multiplier data indicating a natural number M for use in showing that a cycle of image display for the frames is M times of the sub-unit time (sub-unit timeÃ—M) when said display cycle identifier indicates that the image display timings between successive frames of a cycle of images are constant; or display timing data operable to indicate a timing at which an image display for a frame is to be performed when said display cycle identifier indicates that the image display timings between successive frames of a cycle of images can be variable.