DVD players; sound recording apparatus; intercommunication apparatus, namely, telephones, electronic tablets in the nature of mobile PC tablets, headphones, television, set to top box in the nature of receivers for receiving cable television and computers; projection apparatus, namely, cinematographic film projection apparatus, slide and photograph projection apparatus, diafilm projection apparatus (soviet era film strip projection apparatus) and digital projection apparatus; sound transmi...

projection apparatus, namely, cinematographic film projection apparatus, slide and photograph projection apparatus, diafilm projection apparatus (soviet era film strip projection apparatus) and digital projection apparatus