REDUCED LAYER KEYBOARD STACK-UP

Reduced layer keyboard stack-up

Mechanically gated electrical switches by creasing of patterned metal/elastomer bilayer films

Keypad structure

Switch module

KEYBOARD STRUCTURE WITH A SELF-LUMINOUS CIRCUIT BOARD

Module molding touch module

KEYBOARD WITH KEYS FOR MOVING CURSOR

Watertight key switch assembly and its fabrication

Keyboard with keys for moving cursor