The Talking Machine Patent Archive

Patents you could hear

Perforated music roll

Patent drawing of a cased mechanical reed organ showing an inclined reed-board, wind-chest, bellows arrangement, and paper music-roll transport mechanism with take-up roller and hand cranks, alongside detail views of the cover slats and roller construction.MECHANICAL MUSICAL INSTRUMENTAndrew H. Hammond · March 7, 1882Patent drawing showing two long perforated paper music sheets with numbered rows of rectangular holes labeled 1 through 14 and a section view of a reed-board with a row of U-shaped reed chambers and reeds labeled c, d, f, and g.MECHANICAL MUSICAL INSTRUMENT.William A. Webber · July 18, 1882A side-elevation patent drawing showing the internal mechanism of an automatic reed organ, with a bellows, reservoir bellows, reed pipes arranged in a fan pattern, a wound paper valve-sheet running over two rollers, and a hand-crank mechanism at top left.MECHANICAL MUSICAL INSTRUMENT.Henry B. Morris · December 12, 1882Front elevation of a piano's interior mechanism showing rows of cylindrical electromagnets, transmission rods, and a perforated paper roll assembly mounted beneath an open keyboard, with a small electric motor and driving wheel at upper right.SELF-PLAYING MUSICAL INSTRUMENT.Harold W. Shonnard · June 26, 1906Patent drawing of an electromagnetic player-piano mechanism showing a rotating shaft, rows of magnets on pivoted walking beams, a tracker bar with a bristle brush contacting a perforated paper music roll, and thrust rods connecting to the piano keys.AUTOMATIC PLAYER FOR MUSICAL INSTRUMENTSHenry F. Herman · October 16, 1917