Nonmagnetic Tape Recording

Nonmagnetic Tape Recording The idea of cutting a groove into a ribbon of some kind, by acoustical means, is an old one. Thomas Edison’s first reproduction of sound in fact took place on a paper ribbon, and he alluded to this kind of medium, and other sound carrier formats, in his British patent #1644. U.S. patent #944,608 was granted to Franklin C. Goodale on 28 Dec 1909; it was for a talking machine based on a celluloid tape instead of a cylinder. Frank E. Holman had a U.S. patent granted on 9…