Remote control apparatus; monitoring apparatus, electric; sound recording apparatus; intercommunication apparatus; sound transmitting apparatus; projection apparatus; facsimile machines; magnetic tape units (for computers); computer memories; camcorders; video cassettes; video telephones: video screens; viewfinders, photographic; dictating machines; floppy disks; sound recording discs; disks (magnetic); optical discs; calculating disks; disk drives (for computers); juke boxes (for computers);...

Remote control apparatus; monitoring apparatus, electric; sound recording apparatus; intercommunication apparatus; sound transmitting apparatus; projection apparatus; facsimile machines; magnetic tape units (for computers); computer memories; camcorders; video cassettes; video telephones: video screens; viewfinders, photographic; dictating machines; floppy disks; sound recording discs; disks (magnetic); optical discs; calculating disks; disk drives (for computers); juke boxes (for computers);...