history of the telephone wikipedia - EAS
The telephone emerged from the making and successive improvements of the electrical telegraph.In 1804, Spanish polymath and scientist Francisco Salva Campillo constructed an electrochemical telegraph. The first working telegraph was built by the English inventor Francis Ronalds in 1816 and used static electricity. An electromagnetic telegraph was created by Baron Schilling in 1832.
en.wikipedia.org/wiki/History_of_the_telephone- Mọi người cũng hỏi
History of the telephone - Wikipedia
https://en.wikipedia.org/wiki/History_of_the_telephoneThis history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in 1876.
Wikipedia · Nội dung trong CC-BY-SA giấy phépTelephone - Wikipedia
https://en.wikipedia.org/wiki/TelephoneBefore the development of the electric telephone, the term "telephone" was applied to other inventions, and not all early researchers of the electrical device called it "telephone". Perhaps the earliest use of the word for a communications system was the telephon created by Gottfried Huth in 1796. Huth proposed an alternative to the optical telegraph of Claude Chappein which the operators in th…
Wikipedia · Nội dung trong CC-BY-SA giấy phépTelephone - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/TelephoneXem thêm trên simple.wikipedia.orgAlexander Graham Bell was the first person to patent the telephone, in 1876. Early telephones were wired directly to each other and could only talk to the phone that they were connected to. Later, telephone exchanges allowed connecting to other telephones. During the 20th century the machines that made the connections wer…- Thời gian đọc ước tính: 3 phút
Mobile phone - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/Mobile_phoneXem thêm trên simple.wikipedia.orgMobile phones in the 1950s through 1970s were large and heavy, and most were built into cars. In the late 20th century technology improved so people could carry their phones easily. Although Dr. Martin Cooper from Motorolamade the first call using a mobile phone in 1973 (using a handset weighing 2 kilograms), it did not u…- Thời gian đọc ước tính: 8 phút
The Invention and Evolution of the Telephone
https://www.thoughtco.com/history-of-the-telephone...16/11/2007 · By 1877, construction of the first regular telephone line from Boston to Somerville, Massachusetts, had been completed. By the end of 1880, there were over 49,000 telephones in the United States. The following year, telephone service between Boston and Providence, Rhode Island, had been established.
- Nghề nghiệp: Inventions Expert
telephone | History, Definition, Invention, Uses, & Facts ...
https://www.britannica.com/technology/telephoneThe word telephone, from the Greek roots tēle, “far,” and phonē, “sound,” was applied as early as the late 17th century to the string telephone familiar to children, and it was later used to refer to the megaphone and the speaking tube, but in modern usage it refers solely to electrical devices derived from the inventions of Alexander Graham Bell and others.
The History of the Telephone
www.personal.psu.edu/jtk187/art2/telephone.htmThe telephone came a long way since it was first developed in the late 1800s. There have been many changes to this form of communication and as of now, it seems like nothing is impossible. From satellite phone to cell phones to smart phones, it seems like mobile communication has just started to take off.
History of cell phones timeline | Timetoast timelines
https://www.timetoast.com/timelines/history-of-cell-phones--11The first telephone was invented 1870 by Alexander Graham Bell. There was many others that looked into the invention of the telephone. The telephone switchboard was invented in 1876, which allowed for the formation of telephone exchanges, and eventually networks. http://en.wikipedia.org/wiki/Telephone
History of mobile phones | What was the first mobile phone?
https://www.uswitch.com/mobiles/guides/history-of-mobile-phones- Mobile phones, particularly the smartphones that have become our inseparable companions today, are relatively new. However, the history of mobile phones goes back to 1908 when a US Patent was issued in Kentucky for a wireless telephone. Mobile phones were invented as early as the 1940s when engineers working at AT&T developed cells for mobile phone base stations…
- Thời gian đọc ước tính: 10 phút
Wikipedia
https://www.wikipedia.orgDownload Wikipedia for Android or iOS Save your favorite articles to read offline, sync your reading lists across devices and customize your reading experience with the official Wikipedia …
- Một số kết quả đã bị xóa
