74677034
May 19, 1995
audio/video signal processing and distribution equipment, namely video processing amplifiers, interval adder-deleters, vertical interval processors, digital frame synchronizers, video distribution amplifiers, pulse distribution amplifiers, audio distribution amplifiers, audio/video switchers and computer-based digital video recording/playback units; synchronizing pulse generators, video test signal generators and controllers therefore; audio/video satellite signal scrambler and descrambler units; and master clocks and slave clocks, both for synchronization of audio/video signal processing and distribution equipment
Electrical and Scientific Apparatus