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Charles E. Alden
Charles E. Alden (fl. 1906) was an obscure inventor mentioned in a 1906 edition of the ''New York World'' who was claimed to have created the idea of a vest pocket telephone, a device that was the precursor of the cell phone. An article entitled: “Ingenious Yankee Invents Simple Telephone System” appeared in the May 24, 1907 edition of ''L’Abeille de la Nouvelle-Orléans''–a New Orleans newspaper. He envisioned the idea in 1906, sixty-seven years before the first hand-held mobile phone was demonstrated by Dr Martin Cooper of Motorola in 1973.〔"TELEPHONE FOR YOUR VEST POCKET - Pilfers Messages from Wires Three Miles Off—is of the Wireless Variety" — ''New York World'', April 29, 1906〕〔("Invents a telephone to be carried in pocket )" ( May 21, 1906) ''Los Angeles Herald'', Page 7, Columns 4-5. Article dated the previous day. Scanned by the University of California, Riverside. Preserved on the Internet by the Library of Congress.〕 In 1907, Alden invented and tested a wireless, remote controlled boat off the coast of Martha's Vineyard. This boat was said to have “lifted its own anchor, blows its own whistle, signals, fires a gun and steers” all while the operator is controlling it on shore.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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