Nipkow disc

noun Nip·kow disc \ˈnip(ˌ)kō-\

Definition of Nipkow disc

  1. :  a mechanical television scanner consisting of a rotating disk with small holes upon its periphery through which narrow beams of light pass

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Origin and Etymology of nipkow disc

after Paul G. Nipkow †1940 German television pioneer

Seen and Heard

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a rounded knoll or a ridge of ice

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