The Talking Machine Patent Archive

Patents you could hear

Tinfoil era

Patent drawing of a cylinder phonograph showing the main frame with grooved record cylinder, a diaphragm and pivoted style assembly on a sliding carriage, a large curved amplifying horn rising above, and several detail cross-sections of the reproducer mechanism below.PHONOGRAPH.John H. White · November 11, 1890Patent drawing showing a boxed phonograph apparatus with a diaphragm and needle above a central roller, flanked by heating and cooling chambers labeled E and F containing a recording strip guided by pulleys and rollers, with gears and a motor below, plus a separate figure of a cylindrical phonograph with a lamp for heating the recording sheet.PHONOGRAPH.George H. Herrington · December 1, 1891