Optical semiconductors, optoelectronic integrated sensor circuits

Cameras; Headphones; Loudspeakers; Smartphones; Spectacles; Sunglasses; Webcams; Cabinets for loudspeakers; Car video recorders; Cases for smartphones; Covers for smartphones; Covers for tablet computers; Electric door bells; Electronic access control systems for interlocking doors; Electronic tags for goods; Headsets for telephones; Notebook computers; Pocket calculators; Pocket translators, electronic; Selfie sticks; Smart rings; Video monitors; Smart watches