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RCA and all-electronic television (1933-1935)

RCA and all-electronic television (1933-1935)

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With progress being made in the development of electronic scanners, it was to be expected that RCA's second field test would embrace an appreciation of the device. In the New York tests the major limitation to adequate television performance had been the studio scanning apparatus, since the lighting in the studio had been of too low an intensity to give a satisfactory signal-to-noise ratio; only when motion picture film was being scanned could a reasonable ratio be achieved. Fortunately, the sensitivity of the iconoscope was sufficient to allow of a further increase in the number of lines scanned per picture, in addition to permitting outdoor, as well as studio, scenes to be on television.

Inspec keywords: television camera tubes; history; television equipment

Other keywords: satisfactory signal-to-noise ratio; all-electronic television; studio scanning apparatus; television performance; electronic scanners; iconoscope; motion picture film; RCA

Subjects: History of science

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