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  1. en.wikipedia.org › wiki › TelephoneTelephone - Wikipedia

    A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels to another telephone which reproduces the sound to the receiving user. The term is derived from Greek: τῆλε and φωνή, together meaning distant voice. A common short form of ...

  2. Antonio Meucci, 1854, constructed telephone-like devices. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876.

  3. en.wikipedia.org › wiki › TéléphoneTéléphone - Wikipedia

    • Overview
    • Reformation as "Les Insus" (2015-2017)
    • Awards

    Téléphone was a French rock band formed in 1976. Their first, self-titled album was released in 1977; by the end of the decade they were one of the biggest French rock bands around, opening shows for The Rolling Stones in Paris, Quebec, the United States and Japan. The band split in 1986 for personal reasons. They have sold around 10 million albums to date, a record still unbeaten for a French rock band. Among their best-known songs are "Hygiaphone", "Métro c'est trop", "La bombe humaine...

    The band reunited briefly for a concert at the Point Éphémère on 11 September 2015 under the name "Les Insus". Les Insus were composed of Aubert, Bertignac and Kolinka but with the bassist Corine Marienneau replaced on the bass guitar by Aleksander Angelov. Another concert was given in Lille on September 15. Les Insus also gave a concert in Lyon, at Le Transbordeur, on 6 October 2015. On November 29, 2015, the new group announced a real tour in France for 2016. The tour was scheduled ...

    Album Un autre monde won French awards "Victoire de la musique Album Rock" in 1985.

    • 1976–1986 (Téléphone), 2015-2017 (Les Insus?)
    • EMI, Virgin Records
  4. "Telephone" was written by Lady Gaga, Rodney Jerkins, LaShawn Daniels, Lazonate Franklin and Beyoncé. Musically, the song has been described as dance-pop. Although constructed as a duet, Beyoncé's first appearance is in the middle verse. She sings her lyrics through a brief interlude, and later backs the chorus during the rest of the song.

    • 2009
    • "Bad Romance" (DJ Paulo's GaGa Oo-La La Remix)
    • Early Development
    • Electro-Magnetic Transmitters and Receivers
    • Variable Resistance Transmitters
    • Improvements to The Early Telephone
    • Controversies
    • Memorial to The Invention
    • See Also
    • Further Reading
    • External Links

    The concept of the telephone dates back to the string telephone or lover's telephone that has been known for centuries, comprising two diaphragms connected by a taut string or wire. Sound waves are carried as mechanical vibrations along the string or wire from one diaphragm to the other. The classic example is the tin can telephone, a children's toy made by connecting the two ends of a string to the bottoms of two metal cans, paper cups or similar items. The essential idea of this toy was that a diaphragm can collect voice sounds from the voice sounds for reproduction at a distance. One precursor to the development of the electromagnetic telephone originated in 1833 when Carl Friedrich Gauss and Wilhelm Eduard Weber invented an electromagnetic device for the transmission of telegraphic signals at the University of Göttingen, in Lower Saxony, helping to create the fundamental basis for the technology that was later used in similar telecommunication devices. Gauss's and Weber's invent...

    Elisha Gray

    Elisha Gray, of Highland Park, Illinois, also devised a tone telegraph of this kind about the same time as La Cour. In Gray's tone telegraph, several vibrating steel reeds tuned to different frequencies interrupted the current, which at the other end of the line passed through electromagnets and vibrated matching tuned steel reeds near the electromagnet poles. Gray's "harmonic telegraph", with vibrating reeds, was used by the Western Union Telegraph Company. Since more than one set of vibrati...

    Alexander Graham Bell

    Alexander Graham Bellhad pioneered a system called visible speech, developed by his father, to teach deaf children. In 1872 Bell founded a school in Boston to train teachers of the deaf. The school subsequently became part of Boston University, where Bell was appointed professor of vocal physiology in 1873. As Professor of Vocal Physiology at Boston University, Bell was engaged in training teachers in the art of instructing the deaf how to speak and experimented with the Leon Scott phonautogr...

    Bell's success

    The first successful bi-directional transmission of clear speech by Bell and Watson was made on March 10, 1876, when Bell spoke into the device, "Mr. Watson, come here, I want to see you." and Watson complied with the request. Bell tested Gray's liquid transmitter design in this experiment, but only after Bell's patent was granted and only as a proof of concept scientific experiment to prove to his own satisfaction that intelligible "articulate speech" (Bell's words) could be electrically tra...

    Water microphone – Elisha Gray

    Elisha Gray recognized the lack of fidelity of the make-break transmitter of Reis and Bourseul and reasoned by analogy with the lover's telegraph, that if the current could be made to more closely model the movements of the diaphragm, rather than simply opening and closing the circuit, greater fidelity might be achieved. Gray filed a patent caveat with the US patent office on February 14, 1876, for a liquid microphone. The device used a metal needle or rod that was placed – just barely – into...

    Carbon microphone – Thomas Edison, Edward Hughes, Emile Berliner

    The carbon microphone was independently developed around 1878 by David Edward Hughes in England and Emile Berliner and Thomas Edison in the US. Although Edison was awarded the first patent in mid-1877, Hughes had demonstrated his working device in front of many witnesses some years earlier, and most historians credit him with its invention. Thomas Alva Edison took the next step in improving the telephone with his invention in 1878 of the carbon grain "transmitter" (microphone) that provided a...

    Additional inventions such as the call bell, central telephone exchange, common battery, ring tone, amplification, trunk lines, and wireless phones – at first cordless and then fully mobile– made the telephone the useful and widespread apparatus as it is now.

    Bell has been widely recognized as the "inventor" of the telephone outside of Italy, where Meucci was championed as its inventor. In the United States, there are numerous reflections of Bell as a North American icon for inventing the telephone, and the matter was for a long time non-controversial. In June 2002, however, the United States House of Representatives passed a symbolic bill recognizing the contributions of Antonio Meucci "in the invention of the telephone" (not "for the invention of the telephone"), throwing the matter into some controversy. The US House of Representatives accepted that Meucci’s work was so important that it could have been enough to prevent Bell getting a patent. Champions of Meucci, Manzetti, and Gray have each offered fairly precise tales of a contrivance whereby Bell actively stole the invention of the telephone from their specific inventor. In the 2002 congressional resolution, it was inaccurately noted that Bell worked in a laboratory in which Meucc...

    In 1906 the citizens of the City of Brantford, Ontario, Canada and its surrounding area formed the Bell Memorial Association to commemorate the invention of the telephone by Alexander Graham Bell in July 1874 at his parents’ home, Melville House, near Brantford. Walter Allward's design was the unanimous choice from among 10 submitted models, winning the competition. The memorial was originally to be completed by 1912 but Allward did not finish it until five years later. The Governor General of Canada, Victor Cavendish, 9th Duke of Devonshire, ceremoniously unveiled the memorial on October 24, 1917. Allward designed the monument to symbolize the telephone's ability to overcome distances. A series of steps lead to the main section where the floating allegorical figure of Inspiration appears over a reclining male figure representing Man, discovering his power to transmit sound through space, and also pointing to three floating figures, the messengers of Knowledge, Joy, and Sorrow posit...

    Baker, Burton H. (2000), The Gray Matter: The Forgotten Story of the Telephone, St. Joseph, MI, 2000. ISBN 0-615-11329-X
    Bell, Alexander Graham. (1911), Speech by Alexander Graham Bell, November 2, 1911: Historical address delivered by Alexander Graham Bell, November 2, 1911, at the first meeting of the Telephone Pio...
    Bethune, Brian, (2008) Did Bell Steal the Idea for the Phone? (Book Review), Maclean's Magazine, February 4, 2008;
    Bourseul, Charles, Transmission électrique de la parole, L'Illustration (Paris), August 26, 1854 (in French)
    Heroes of the Telegraph by John Munro at Project Gutenberg
    American Treasures of the Library of Congress, Alexander Graham Bell – Lab notebook I, pages 40–41 (image 22)
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    • History
    • Types of Telephones
    • Telephone Number
    • Usage

    Alexander 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 were automated.

    There are many different types of telephone. A telephone that can be carried around is called a mobile phone or cell phone. These became popular in the late 1980s. It has become common for people to carry mobile phones and in some places it is unusual to not have one. The majority are smartphones, which can be used as computers. Some mobile phones are able to make telephone calls using communications satellitesinstead of masts on the ground, which means people can make calls from anywhere in the world. In most countries there are public payphones. To use one, people pay with coins, a credit card or a prepaid card. Computers can use a machine called a modem or a Digital subscriber line router to talk to other computers over a telephone line. This allows a computer to connect to other computer networks including the Internet. Most countries have a telephone network. The telephones in one place are connected to a telephone exchange. The exchanges are connected together in a world-wide...

    Most telephones have their own number. Today, telephone numbers are about seven to ten digits long. In many countries, part of the telephone number is called the area code. Area codes are used to make sure the numbers are not the same in two different places. Areas have their own area code, and countries have their own country code.

    By the end of 2009, there were a total of nearly 6 billion mobile and fixed-line telephone subscribers worldwide. This included 1.26 billion fixed-line subscribers and 4.6 billion mobile subscribers.

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