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Alexander Graham Bell war ein britischer, später US-amerikanischer Audiologe, Erfinder, Großunternehmer und Befürworter der Eugenik. Es gelang ihm 1876, aufbauend auf Ideen seiner Vorgänger, das Telefon zur Marktreife zu entwickeln und ein flächendeckendes Telefonnetz in Nordamerika aufzubauen, das von seinem Unternehmen American Telephone ...
Oct 19, 2018 · On 7 March 1876, Bell was granted US patent 174465A, for a method of transmitting speech by telegraphy—the telephone. The decision has been disputed by scholars ever since, although a 2020 paper by Benjamin Lathrop Brown has argued that recently unearthed archival sources prove Bell’s priority.
Nov 24, 2009 · On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville...
Apr 3, 2014 · Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877.
On March 7, 1876, Alexander Graham Bell successfully received a patent for the telephone and secured the rights to the discovery. Days later, he made the first ever telephone call to his partner, Thomas Watson. The telephone revolutionized communication by allowing conversations to take place between individuals at different locations.
Bell's March 10, 1876, laboratory notebook entry describing his first successful experiment with the telephone. Alexander Graham Bell had pioneered a system called visible speech, developed by his father, to teach deaf children. In 1872 Bell founded a school in Boston, Massachusetts, to train teachers of the deaf.
On October 9, 1876, Bell conducted a two-way test of his telephone over a 5-km (2-mile) distance between Boston and Cambridgeport, Massachusetts. In May 1877 the first commercial application of the telephone took place with the installation of telephones in offices of customers of the E.T. Holmes burglar alarm company.
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