73745965
Aug 15, 1988
Oct 17, 1989
AUDIO AND VIDEO PRODUCTION SYSTEMS COMPRISING AN EDIT CONTROLLER AND VIDEO DECKS FOR USE IN AUDIO AND VIDEO EDITING, AND AUDIO-VISUAL PRESENTATION SYSTEMS COMPRISING OPTICAL DISK PLAYERS OR VIDEO DECKS AND A PLAYBACK DEVICE CONTROL MECHANISM FOR USE IN THE PRESENTATION OF AUDIO-VISUAL PRODUCTIONS
Electrical and Scientific Apparatus