Capacitive key for keyboard

Details Capacitive key for keyboard Capacitive key for keyboard

H - Electricity

01

G

340/178, 340/124

H01G 5/16 (2006.01) H03K 17/98 (2006.01)

Patent

CA 1090900

ABSTRACT OF THE DISCLOSURE The present invention relates to keyboards and capacitive keys for use in such keyboards. In the prior art such devices do not make the most efficient use of the available space and motion. Additionally, keys allowing for overtravel use many parts and are complex to assemble. The present invention overcomes these deficiencies by providing a capacitor in which a portion of a movable capacitor plate is formed into a spring which elastically deforms after the capacitor has been altered, to permit overtravel of the plunger.

285807

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