Panel keyboard with air permeable spacer

Details Panel keyboard with air permeable spacer Panel keyboard with air permeable spacer

H - Electricity

01

H

306/305

H01H 3/12 (2006.01) H01H 13/02 (2006.01) H01H 13/702 (2006.01)

Patent

CA 1173478

PANEL KEYBOARD WITH AIR PERMEABLE SPACER Abstract of the Disclosure A membrane switch assembly having an apertured air permeable spacer positioned between a pair of printed circuits. Air may diffuse through the permeable material into and out of the regions which define individual switch cavities during operation.

379279

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