73170188
May 12, 1978
Aug 28, 1979
ELECTRICALLY OPERATED VIDEO DISC RECORDER, WHICH RECORDS AND PLAYS BACK SINGLE FIELDS OR FRAMES OF VIDEO INFORMATION ON ANY ONE OF A NUMBER OF AVAILABLE DISCRETE TRACKS, AND WHICH IS USED IN SUCH X-RAY AND INDUSTRIAL APPLICATIONS AS, INTER ALIA, PULSED FLUOROSCOPY, SPOT FILM RECORDING, ELECTRONIC RADIOGRAPHY, X-RAY TOMOGAPHY AND BAGGAGE X-RAY
Electrical and Scientific Apparatus