| 单词 | image orthicon |
| 释义 | > as lemmasimage orthicon image orthicon n. Television (now historical) a kind of television camera tube in which a flow of electrons, produced as in an image tube, strikes a thin glass sheet and forms a pattern of positive charges corresponding to the original image, the video signal being derived by an electron beam which scans the other side of the sheet. ΚΠ 1945 Daily Mail (Hagerstown, Maryland) 25 Oct. 12/4 A new television camera tube that sees even in the dark..was set up for its first public demonstration today... The device is known as an ‘image orthicon’. 1961 Science 20 Oct. 1169/1 The image orthicon is a different approach to the development of a more sensitive image tube. 2007 C. Collie Business of TV Production i. 10 This image orthicon camera could be used in normal room light and RCA reigned supreme in post-war television. < as lemmas |
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