The Telephone Cases with Antonio Meucci, as shown in the Canadian Parliamentary Motion on Alexander Graham Bell, itself a response to the United States HRes. 269 on Antonio Meucci. The Telephone Cases The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and 1880s related to the invention of the telephone, which culminated in the 1888 decision of the United States Supreme Court upholding the priority of the patents belonging to Alexander Graham Bell. Those telephone patents were relied on by the American Bell Telephone Company and the Bell System—although they had also acquired critical microphone
History of the telephone History of the telephone This history of the telephone chronicles the development of the electrical telephone, and includes a brief review of its predecessors. Before the invention of electromagnetic telephones, mechanical acoustic devices existed for transmitting speech and music over a distance greater than that of normal direct speech. The earliest mechanical telephones were based on sound transmission through pipes or other physical media. The acoustic tin can telephone, or "lovers' phone", has been known for centuries. It connects two diaphragms with a taut string or wire, which transmits sound by mechanical vibrations from one to the other along the