Keypad array having reduced number of input/outputs and...
Keypad array of portable terminal for input of alphabetic...
Keypad assembly
Keypad circuit with electrostatic discharge protection
Keypad configuration
Keypad construction
Keypad device
Keypad having optical waveguides
Keypad indicating arrangement including virtual key
Keypad layout for alphabetic character input
Keypad layout for alphabetic symbol input
Keypad scanner
Keypad scanner process and device and cordless telephone employi
Keypad scanning security system
Keypad scanning with few pins
Keypad signal input apparatus
Keypad signal input apparatus
Keypad structure with inverted domes
Keypad with illumination structure
Keypad with strokes assigned to key for ideographic text input