image dissector

American  

noun

1. a form of television camera tube in which an electron image produced by a photoemitting surface is focused in the plane of an aperture and deflected past the aperture to achieve scanning.

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Etymology

Origin of image dissector

First recorded in 1930–35

Example Sentences

In 1922, Farnsworth worked with his high school chemistry teacher Justin Tolman on a sketch for a so-called "image dissector" vacuum tube that essentially created the technology for modern television.

From Salon

In 1927, American television pioneer Philo T. Farnsworth, 21, succeeded in transmitting the image of a line through purely electronic means with a device called an “image dissector” at his San Francisco laboratory.

From Washington Times

RCA's lawyers contended that Zworykin's 1923 patent had priority over any of Farnsworth's patents, including the one for his Image Dissector.

From Time Magazine Archive

The sketch was almost an exact replica of an Image Dissector.

From Time Magazine Archive