Apparatus for recording, transmission, processing and reproduction of sound, images or data; Digital book readers; Electroacoustic transducers; Entertainment system comprising a computer, multiple image display screen, multiple input devices and a printer; Eyeglass frames; Eyeglasses; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Horns for loudspeakers; Pince-nez mountings; Projectors particularly projectors for the entertainment industry; Spectacle frames; Telephone headsets; Vidicons