His interest in phonetics, which partly derived from the activities of his father Alexander Melville Bell, was stirred as a child by a demonstration of a speech synthesizer. Eventually, phonetics, acoustics, and electromagnetism came together in his patent for a telephone in 1876. To the end of...
Alexander Graham Bell was the first to patent the telephone, an "apparatus for transmitting vocal or other sounds telegraphically" (patent No. 174,465), after experimenting with many primitive sound transmitters and receivers. However, the history of the invention of the telephone is a confusing ...
On March 7, 1876,Bell was granted his telephone patent. A few days later, he made thefirst-ever telephone callto Watson, allegedly uttering the now-famous phrase, “Mr. Watson, come here. I want you.” By 1877, the Bell Telephone Company, which today is known asAT&T, was created. In...
Bell drew up a plan for the telephone and continued to experiment.He knew he would have to work quickly to get the patent(专利权).He worked hard and succeeded at last.Because Bell had the patent,he had the right to be the only one to produce telephones in the U.S.for the next 19...
Bell sent his first tclephon e messsg e befor e h e got hi根据P 教材课文,在空白处填入1个适当的单词或patent.()括号内单词的正确形式目.速读Pn教材课文,选择最仕答案Alexander Graham Bell was born in 1847 i What is th e main id e a of th e pasge?Scotland. When h e was young, his...
Why was Bell interested in working with the deaf? A. Because his best friend was deaf. B. Because he wanted to talk with them. C. Because he was influenced by his parents.41. Which is the correct order about Bell's experiences?B a. He got the patent. b. He invented the telephone...
a telephone transmitter. After hearing the sound, Bell believed he could send the sound of a human voice over the wire. After receiving a patent on March 7, 1876, for transmitting sound along a single wire, he successfully transmitted human speech on March 10. Bell's telephone patent was ...
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 Bell, who developed Visible Speech, a written system used to teach
Meanwhile, Alexander Graham Bell was working on the same idea and in 1876 the patent for the telephone was given to him. In 2002, more than a century after Meucci's death, his work was finally recognized by the government. ___ A. He discovered that sound could travel through metal ...
Further information: The Telephone Cases Family life Alexander Graham Bell, his wife Mabel Gardiner Hubbard, and their daughters Elsie (left) and Marian ca. 1885 The Brodhead–Bell mansion, the Bell family residence in Washington, D.C., from 1882 to 1889 --1877年7月11日,贝尔电话公司成立几...