Optical apparatus
Optical auxiliary input arrangement and method of using same
Optical coding of position information on printed surfaces
Optical computer pointer and optical cursor/frame control...
Optical coordinate input apparatus
Optical detection system, device, and method utilizing...
Optical detection system, device, and method utilizing...
Optical device for optical mouse
Optical device for optical mouse
Optical device that measures distance between the device and...
Optical device that measures distance between the device and...
Optical digitizer with function to recognize kinds of...
Optical displacement detection over varied surfaces
Optical displacement detection over varied surfaces
Optical filter measurement system
Optical generic switch panel
Optical generic switch panel
Optical induction/trackball dual-mode mouse
Optical input arrangement and method of using same
Optical joystick for hand-held communication device