| 单词 | signal plate |
| 释义 | > as lemmassignal plate signal plate n. (a) a plate (plate n. 8a) that is used to give a signal or that serves as a signal, esp. to road or rail traffic; (b) (in some types of television camera tube) a plate electrode whose capacitance relative to an adjacent photoelectric surface is used to provide the picture signal. ΚΠ 1846 24th Rep. State Prisons of Ireland 22 in Parl. Papers XX. The cells will afford separate accommodation for 61 additional prisoners. They are..to have water-closets, signal plates, &c. 1920 Official Gaz. (U.S. Patent Office) 23 Nov. 605/2 A traffic signal including a tower having a pair of oppositely disposed signal plates mounted to move thereabout. 1934 V. K. Zworykin in Jrnl. Franklin Inst. 217 10 Consider the circuit of a single photo~electric element in the mosaic... Here P represents such an element, and C its capacity to a plate common to all the elements, which hereafter will be called the ‘signal plate’. 1975 K. Wicks Television 19 After striking the signal plate, the electron beam returns along the tube, attracted by the positive charge on a series of five electrodes. 2005 S. Hall Mod. Signalling Handbk. (rev. ed.) 51 (caption) Intermediate Block Signal Plate. < as lemmas |
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