73219943
Jun 18, 1979
Jun 9, 1981
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 Tomagraphy and Baggage X-Ray
Electrical and Scientific Apparatus