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- In 1876, after years of experimenting with sound devices, Alexander Graham Bell was issued the first patent for the telephone.
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Nov 9, 2009 · In 1876, after years of experimenting with sound devices, Alexander Graham Bell was issued the first patent for the telephone.
4 days ago · Although Alexander Graham Bell is best remembered as the inventor of the telephone, he invented other devices too. Bell developed several sonic technologies, including the photophone (1880) and the Graphophone (1886). He also developed medical technology.
- David Hochfelder
- Alexander Graham Bell was a Scottish-born American inventor and scientist. Bell was born on March 3, 1847, in Edinburgh, Scotland. In 1870 Bell and...
- The first telephone had two parts: a transmitter and a receiver. The transmitter comprised three parts—a drumlike device (a cylinder with a covered...
Sep 20, 2024 · In the 1870s, Elisha Gray and Alexander Graham Bell independently designed devices that could transmit speech electrically. Both men rushed their respective designs for these prototype telephones to the patent office within hours of each other.
- Mary Bellis
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. Whether this will finally settle a 150-year ...
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.
4 days ago · In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.
4 days ago · The first transmission of speech with a telephone occurred on March 10, 1876, from Alexander Graham Bell to Thomas Watson, which Bell transcribed in his lab notes as “Mr. Watson—come here—I want to see you.”
