Headphones; Computer cameras; Computers and computer peripherals; Electric door bells; Electronic anti-theft system comprised of a bar code scanner that allows manufacturers to temporarily disable electronic goods during the manufacturing process and allows retailers to enable such goods upon receiving the purchase price for the goods; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Global positioning system (GPS) apparatus; Head-mounted video displays; Photo...