Tactile element and keyboard including the tactile element

Details Tactile element and keyboard including the tactile element Tactile element and keyboard including the tactile element

H - Electricity

01

H

306/305

H01H 13/14 (2006.01) B41J 5/12 (2006.01)

Patent

CA 1154810

-20- TACTILE ELEMENT AND KEYBOARD INCLUDING THE TACTILE ELEMENT Abstract of the Disclosure A tactile snap-action element for use in keyboards, the element comprising an arcuately shaped invertible first dome and a second dome shaped actuating protrusion extending from the invertible second dome, the actuating dome protrusion being integral with the invertible dome and being non-invertible. The element is operated by an actuation force which acts directly or indirectly through the non-inverting second dome to invert the first dome and to provide tactile feedback. The keyboard includes a plurality of keys, each key comprising an element, a conductive circuit associated with the first dome and movable with the inversion of the first dome to electrically contact a second conductive circuit associated with the element.

368873

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