scanning disc

scanning disc

The technology used in the first TV systems. See video/TV history.
References in periodicals archive ?
Baird took German inventor Paul Nipkow's scanning disc idea and the latest electronics to develop a fully-working mechanical television.
At last he produced something that worked, the embryo of today's television sets, a primitive apparatus that sat on a washstand in his attic and involved bicycle lamps, scanning discs cut out of cardboard, a biscuit tin, darning needles and string.
"As part of his training dad was marking and cutting out scanning discs for a device they called a television camera.

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