单词 | membrane switch |
释义 | > as lemmasmembrane switch membrane switch n. Electronics a touch-sensitive switch in which an electrical circuit is made between two contacts by depressing a flexible covering membrane of electrically resistive material. ΚΠ 1980 Business Week (Nexis) 27 Oct. 172 The crux of the new product's economies is the membrane switch. Most keyboard makers drive their products with either tiny semiconductor chips or pairs of capacitors that relay electrical signals whenever a key is depressed. Oak eliminates such components in favor of a stiff plastic film. 1991 Electronic Musician Nov. 78/2 Normal playing actuates the membrane switches near the center of the keyboard most frequently, and so these need replacement sooner. < as lemmas |
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