The Birth of Radio essays

The Birth of Radio essays The birth of radio came through the emergence of two new technologies recording and sound reproduction. The ever changing invention patent distributions and company buy outs have made the broadcasting industry a variable battle field of knowledge. The following are some of the inventors and companies that made early broadcasting possible. In 1877 Thomas Edison made the first recording of a human voice, he was experimenting with a method of recording and repeating telegraph signals so that messages could be automatically relayed at a faster speed. Edison also invented the carbon telephone transmitter, this invention led to the development of the microphone, which made early radio possible. Meanwhile the American Graphophone Company was organized in Philadelphia to help improve the graphophone. A small plant was established in Bridgeport Connecticut to build 3-4 machines daily. Jesse H. Lipincott acquired the rights to the company to rent or sell the gramaphone under Bell (Alexander Graham Bell) and Tainter (Sumner Tainter) patents. Later Lippincott purchased the Edison Speaking Phonograph Company. In 1893 Nikola Tesla a Serbian-American inventor, electrical engineer, and scientist made the first public demonstration of radio communication at the Franklin Institute in Philadelphia and the National Electric Light Association, he described and demonstrated the principles of radio communication. George Westinghouse bought the patent rights to Nikola Teslas polyphase system of alternating-current dynamos transformers and Eldridge Johnson was born in Wilmington Delaware. In 1906 he started to develop a spring motor for a disc talking machine for the Berliner Company. Johnsons first patent for the machine was granted on March 22, 1898. The Montross Metal Shingle Company of Camden New Jersey took an order for Eldridge Johnson to make 1000 units @ $4.00 each f...