| 释义 |
Skiatron Electronics.|ˈskaɪətrɒn|
Also skiatron.
[f. Gr. σκιά shadow + -tron.]
A proprietary name for a type of cathode-ray tube in which the electron beam produces a dark trace. Also attrib., esp. as Skiatron tube.
1940A. H. Rosenthal in Electronics & Television & Short-Wave World XIII. 52 (heading) The Skiatron—a new scophony development towards large-screen television projection. 1946Trade Marks Jrnl. 26 June 330/2 Skiatron... Scientific apparatus and instruments, electrical apparatus and instruments included in Class 9. Scophony Limited... 17th Sept. 1945. 1947L. J. Haworth in L. N. Ridenour Radar Systems Engin. xiii. 483 The alkali halides..have the property of darkening for a time at a point where they have been struck by an electron beam of sufficient energy. This phenomenon has been made use of in one form of cathode-ray tube, known as the ‘skiatron’..used for projection purposes. 1948Electronic Engin. XX. 21/2 (caption) Large screen plan position indicator with ‘Skiatron’ tube, as used by the Admiralty. 1953Official Gaz. (U.S. Patent Office) 3 Nov. 21/2 Skiatron..for cathode ray tubes... Claims use since Aug. 1, 1942. 1966H. H. Poole Fund. Display Systems ii. 32 The dark trace tube, also referred to as the Skiatron tube, is currently manufactured by National Union. It is available in screen sizes of 5, 7, 10, and 12 inches. 1973C. J. Richards Electronic Display & Data Systems iii. 76 During the Second World War..the skiatron projection tube was used... Today a family of ‘deformographic’ tubes exists which can project a picture several metres across. |