单词 | scophony |
释义 | Scophonyn. Television. A proprietary name for a television system employing an optical and mechanical method of picture scanning. Frequently attributive. ΘΚΠ society > communication > broadcasting > television > [noun] > types of television system radiovision1924 colour television1927 phonovision1927 Scophony1932 stratovision1945 subscription television1945 Phonevision1947 pay television1950 subscription TV1950 telemeter1951 Web TV1952 pay TV1954 toll television1956 digital television1957 slot television1958 digital TV1959 satellite television1961 satellite TV1961 cable television1965 satellite1982 1932 Trade Marks Jrnl. 20 Apr. 488/2 Scophony... Philosophical instruments, scientific instruments and apparatus for useful purposes; instruments and apparatus for teaching. Scophony Limited,..London W.1.; Manufacturers. 1934 J. H. Reyner Television xi. 135 One of the most ingenious alternative methods proposed is the Scophony system devised by G. W. Walton. 1935 Television Today 1 197/1 In the Scophony system the image to be transmitted is reflected on to a special stepped prism or reflector which so displaces the image laterally that the picture is spread out into a continuous line. The line is then scanned by a vibrating light spot. 1940 D. G. Fink Princ. Television Engin. x. 511 The heart of the Scophony system is the so-called ‘supersonic light valve’. 1957 D. G. Fink Television Engin. Handbk. iii. 49 The Scophony system employs a liquid cell containing a piezoelectric quartz crystal as the light modulator. This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2021). < n.1932 |
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