UNI

INFRARED LIGHT EMITTING DIODE; LIGHT EMITTING DIODE (LED); PHOTOTRANSISTORS PACKAGED IN OPTOELECTRONIC PACKAGES THAT CAN DETECT LIGHT OF SPECIFIED WAVELENGTH, NAMELY, PHOTO DETECTORS, OPTICAL SWITCHES, AND OPTICAL SENSORS; PHOTO-SENSOR THAT ARE IN OPTOELECTRONIC PACKAGES CAN DETECT LIGHT OF SPECIFIED WAVELENGTH, NAMELY, AMBIENT LIGHT DETECTORS, AND OPTICAL SWITCHES; OPTICAL CURSOR CONTROL DEVICES, NAMELY, COMPUTER MOUSE, TOUCH PANELS, TOUCH SCREENS, GAME CONTROLLERS FOR COMPUTER GAMES AND ELECTRONIC GAME CONTROLLERS INCORPORATED INTO EXERCISE MACHINES; LIGHT EMITTING DIODE BACK-LIGHT FOR DISPLAY; PHOTO-COUPLERS CONSIST OF INFRARED EMITTING DIODE AND OPTICALLY COUPLED TO A PHOTOTRANSISTOR IN THE SAME PACKAGE, namely, USED IN AC LINE MONITORS AND POLARITY DC SENSORS; LIGHT EMITTING DIODE CHIPS