Manually operable suitable control unit for a boat
Master switch for multi-speed vehicles
Mechanical switch
Mechanically actuated indicator for a pushbutton switch
Mechanically held electrically or manually operated switch
Mechanism for preventing the simultaneous locking for use in a p
Mechanism for preventing the simultaneous locking of push button
Membrane button key structure with a built-in speaker
Membrane contact switch
Membrane for key switch and the key switch
Membrane for membrane switches and composing elements thereof
Membrane key switch with anti-inversion feature
Membrane keyboard
Membrane keyboard
Membrane keyboard and method of formation thereof
Membrane keyboard apparatus
Membrane keyboard apparatus having common apertured electrode, a
Membrane keyboard apparatus with tactile feedback
Membrane keyboard assembly
Membrane keyboard construction