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单词 scophony
释义

Scophonyn.

/ˈskɒfəni/
Etymology: Perhaps < Greek σκο-πεῖν to look at, examine + -phony, after telephony, etc.
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).
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n.1932
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