The Talking Machine Patent Archive

Patents you could hear

Bettini phonograph

Patent drawing showing a four-lobed clover-shaped apparatus with resonant chambers (Fig.1), a sectional view revealing an internal spider-arm mechanism converging to a central stylus point connected to a flaring horn-like tube (Fig.2), and detail views of the diaphragm plates, tensioning pin, and record-making point/wheel (Figs.3-5).APPARATUS FOR THE RECORD AND REPRODUCTION OF SOUNDS.Gianni Bettini · August 13, 1889Patent drawing of a Bettini phonograph showing a cylindrical mandrel labeled A and C beneath an angled tone-arm assembly with mouthpiece M, diaphragm ring N, and spider S holding two styluses, with a small dual-faced weight indicator labeled 'Recording' and 'Reproducing' shown separately above.PHONOGRAPH.Gianni Bettini · December 20, 1892