222702 ⎘
Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys using opto-electronic means
Optical interface for data transmission
#2Controller, System and Method for Identifying a Number of Interactions with a Computer Input Area
#3DYNAMIC REAR-PROJECTED USER INTERFACE
#4MOTION SENSITIVE MECHANICAL KEYBOARD
#5Multi-touch sensing light emitting diode display and method for using the same
#6Controller, system and method for identifying a number of interactions with a computer input area
#7Multi-touch sensing light emitting diode display and method for using the same
#8Keyboard or other input device using ranging for detection of control piece movement