3 天之前 · Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /; born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.

2024年12月21日 · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886).

2024年9月20日 · The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires.

2025年1月13日 · 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.”

2024年12月23日 · 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.

2024年5月31日 · While he is best known for inventing the telephone, Bell’s contributions to society extend far beyond that single innovation. Born on March 3, 1847, in Edinburgh, Scotland, Alexander Graham Bell was more than just an inventor …

2024年4月23日 · After much trial and error, Alexander Graham Bell finally invents the first telephone, which eventually replaces the telegraph—connecting the universe in more ways than one.

2025年1月13日 · 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.

2024年10月17日 · At night, while in the Sanders home, Alexander Graham Bell began experimenting with multii-message telegraph technology. Bell met Salem native Thomas A. Watson, an electrical worker and machinist while purchasing supplies for his inventions in Boston. Bell was impressed with Watson’s skillset and the two decided to collaborate.

2024年4月7日 · Explore the life of Alexander Graham Bell, his inventions, and legacy. Read our comprehensive and insightful biography.