New form of liquid crystal touch switch
- 9 December 1982
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 18 (25-26) , 1106-1108
- https://doi.org/10.1049/el:19820755
Abstract
A new type of touch switch based on the standard liquid-crystal display cell has been developed. The switch, which responds to slight finger pressure, overcomes many of the problems associated with conventional touch switches. The letter describes the operating principle, realignment due to liquid flow, and reports measurements of switch sensitivity.Keywords
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