Signal processing apparatus and method
Simplified alphabetic communicator for handicapped or infirmed p
Single wire keyboard encode and decode circuit
Single-hand input keyboard
Single-hand mounted and operated keyboard
Smart multiple switch scanner, single wire bus multiplex system
Snap-on keyboard and method of integrating keyboard
Soft cover adapter for computer keyboard
Solid state capacitive switch
Spill-resistant keyboard
Split keyboard adjustment system
Stacked computer keyboard function key multiple template retaine
Structure of key pad
Structure of the keypad for keyboard
Stylus-based keyboard key arrangement
Surveying instrument
Switch arrangement and a switch matrix structure for a keypad
Switch device with operating modes of capacitive proximity and m
Switch input device
Switch interconnect for position encoder system