(under subclass 1) Subject matter wherein a duration (i.e., a time interval by which a certain number of television frames is recorded or reproduced) of the color television signal at the time of reproducing is less than that at the time of recording.
SEE OR SEARCH THIS CLASS, SUBCLASS:
68+, for fast, slow, or stop reproducing of a black and white television signal.
SEE OR SEARCH CLASS
381, Electrical Audio Signal Processing Systems and Devices,
29, 35 for bandwidth or time compression or expansion.