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Magnetic Tape Recording of Television Pictures Demonstrated by RCA Color and Black-cjmi-Wbite Video Programs Reproduced nith Device Hailed as ALij'or Step toward Netv Era of ''Electronic Photography'' V_^OLOR and black-and-white television pictures were recorded on magnetic tape and played back over color television receivers at the David Sarnoff Research Center of RCA in Princeton, N. J., on Dec. 1 in the first public demonstration of new techniques that will simplify the art of making motion pictures. The achievement was described by Brig. General David Sarnoff, Chairman of the Board of RCA, as the first major step into an era of "electronic photography," in which motion pictures in color or black-and-white will be produced quickly and economically, without the need for photographic development or processing. The revolutionary device, which records the sight of television by a method basically similar to the tape re- cording of sound, is the answer by RCA scientists and research men to the first of three requests made by Gen- eral Sarnoff two years ago, on the occasion of his forty- fifth anniversary of service in radio. At that time, he asked for a video tape recorder, an inexpensive electronic air-conditioner without moving parts, and a true ampli- fier of light. Research is in progress on the second two items, and the successful development of the first was proven in the Dec. 1 demonstration to newsmen and leaders in the fields of motion pictures, broadcasting and electronics. In the demonstration, a color television program originating in Studio 3H of the National Broadcasting Company in Radio City, New York, was beamed by radio microwave across the 45-mile span to the Princeton research center. As the program arrived, it was seen on two RCA color television receivers. Picture and Sound on Single Tape At the same instant, the new video tape recorder recorded the television picture and the sound on a single strip of magnetically coated plastic tape as thin as paper and one-half inch in width. During part of this trans- The developmental model of the television tape recorder is checked at RCA's Princeton laboratories by Dr. Harry F. Olson, right, and W. D. Houghton. mission, both the live program and an immediate play- back of the tape recording were shown, permitting direct comparison of the recorded program on one receiver with the live broadcast being received on the other. As soon as the tape reel was rewound, it was played back, and the recorded television pictures appeared on the two receivers. In an earlier phase of the demonstration, the guests had viewed both black-and-white and colot programs previously recorded on the magnetic tape. The same apparatus handled both the recording and playback of the tape for both the color and the black- and-white tests. This relatively compact experimental equipment was developed by a seven-man team of RCA research engineers including Dr. Harry F. Olson and William D. Houghton, who head the development pro- gram, and Maurice Artzt, J. T. Fischer, A. R. Morgan, J. G. Woodward and Joseph Zenel.