2009年11月9日 · Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep …

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 …

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 …

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.

Alexander Graham Bell is credited with being the inventor of the telephone since his patent and demonstrations for an apparatus designed for “transmitting vocal or other sounds …

2022年7月12日 · The telephone is one of the most famed Alexander Graham Bell inventions in the world. Work on the telephone began in the summer of 1874. Bell had been studying the …

2022年5月26日 · Alexander Graham Bell (March 3, 1847–August 2, 1922) was a Scottish-born American inventor, scientist, and engineer best known for inventing the first practical …

2022年7月12日 · Alexander Graham Bell’s telephone invention amazed visitors at The Centennial International Exhibition of 1876. Though inventions like the Corliss steam engine seemed to be …

While Bell is best known for his telephone invention, he worked on hundreds of projects throughout his life and received a number of patents in various fields. In 1880, Bell patented …

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 …