Tactile membrane keyboard with asymmetrical tactile key...

Details Tactile membrane keyboard with asymmetrical tactile key... Tactile membrane keyboard with asymmetrical tactile key...

H - Electricity

03

M

340/187, 306/304

H03M 11/00 (2006.01) H01H 13/702 (2006.01)

Patent

CA 1196991

-15- TACTILE MEMBRANE KEYBOARD WITH ASYMMETRICAL TACTILE KEY ELEMENTS Abstract of the Disclosure: A tactile or snap action membrane keyboard is presented wherein the tactile or snap action key elements are protrusions in a membrane sheet, the protrusions being asymmetrical to preprogram the collapse of the tactile element.

421668

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