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Topic: Bell Telephone


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In the News (Mon 28 Dec 09)

  
  Alexander Graham Bell and His Telephone
A pioneer in the field of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.
Throughout his life, Bell had been interested in the education of deaf people.
Bell imagined great uses for his telephone, like this model from the 1920s, but would he ever have imagined telephone lines being used to transmit video images?
sln2.fi.edu /franklin/inventor/bell.html   (197 words)

  
 Carol Lawrence - Bell Telephone Hour Appearances , on VAI
Carol Lawrence is one of the shining stars of the entertainment world.
Her performances on the Bell Telephone Hour, issued for the first time here, display the full range of her talents as a singer and dancer.
Highlights include selections from West Side Story with her original co-star, Larry Kert, and segments with stage and screen luminaries Robert Goulet, Howard Keel, and Matt Mattox.
www.vaimusic.com /VIDEO/DVD_4346_CarolLawrence.htm   (312 words)

  
  The American Experience | The Telephone | People & Events | More About Bell
Bell himself was battling the disease when, at age 23, he moved with his parents to Canada.
Bell's work with his deaf students in Boston would prove to be a watershed event in his life.
Bell surmised the complex overtones and timbre of the twang to be similar to those in the human voice.
www.pbs.org /wgbh/amex/telephone/peopleevents/mabell.html   (1919 words)

  
 Alexander Graham Bell and His Telephone
A pioneer in the field of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.
Throughout his life, Bell had been interested in the education of deaf people.
Bell imagined great uses for his telephone, like this model from the 1920s, but would he ever have imagined telephone lines being used to transmit video images?
fi.edu /franklin/inventor/bell.html   (197 words)

  
  Alexander Graham Bell and His Telephone
A pioneer in the field of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.
Bell imagined great uses for his telephone, like this model from the 1920s, but would he ever have imagined telephone lines being used to transmit video images?
Today, non-hearing people are able to use a special display telephone to communicate.
sln.fi.edu /franklin/inventor/bell.html   (197 words)

  
  Alexander Graham Bell - Wikipedia, the free encyclopedia
The elder Bell was invited to introduce the system into a large day-school for mutes at Boston, but he declined the post in favor of his son, who became Professor of Vocal Physiology and Elocution at Boston University's School of Oratory.
In addition to advocating sterilization of the deaf, Bell wished to prohibit deaf teachers from being allowed to teach in schools for the deaf, he worked to outlaw the marriage of deaf individuals to one another, and he was an ardent supporter of oralism over manualism.
Bell was honored on the television programmes the 100 Greatest Britons (2002), the 100 Greatest Americans (2005), and in the top ten Greatest Canadians (2004).
en.wikipedia.org /wiki/Alexander_Graham_Bell   (2472 words)

  
 Telephone - Wikipedia, the free encyclopedia
Unlike a mobile phone, a cordless telephone is considered to be landline because it is only useable within a short distance of a small personal or domestic base station connected to a fixed phone line.
The very early history of the telephone is a confusing morass of claim and counterclaim, which was not clarified by the huge mass of lawsuits which hoped to resolve the patent claims of individuals.
The modern telephone is the result of work done by many hands, all worthy of recognition of their addition to the field.
en.wikipedia.org /wiki/Telephone   (2585 words)

  
 World Almanac for Kids
BELL, Alexander Graham (1847--1922), Scottish-born American scientist, inventor, and teacher of the deaf, whose development of the telephone and contributions to other inventions in aeronautics had profound effects on the shaping of modern society.
Bell was born on March 3, 1847, in Edinburgh and educated at the universities of Edinburgh and London.
In addition, Bell was one of the cofounders of the National Geographic Society and he served as its president from 1896 to 1904.
www.worldalmanacforkids.com /explore/inventions/bell_alexanderg.html   (651 words)

  
 Alexander Bell - Telephone
Bell himself was never a good mechanic, but he was fortunate to discover Thomas Watson a young repair mechanic and model maker who helped him put his ideas into reality.
On April 6th 1875 Bell sucessfully patented the multiple telegraph, and on March 7th 1876 he was awarded a patent covering the method of, and apparatus for, transmiting voice messages telegraphically (using wires).
Bell continued his experimentation in communications, which ended with his invention of encoding sound onto a beam of light, a process which is used today in high speed fiber optic networks.
library.thinkquest.org /16541/eng/learn/library/content/bell.htm   (168 words)

  
 Bell Family Papers: The Telephone and the Multiple Telegraph
Bell's extensive knowledge of the nature of sound and his understanding of music enabled him to conjecture the possibility of transmitting multiple messages over the same wire at the same time.
Bell proceeded with his work on the multiple telegraph, but he did not tell Hubbard that he and Thomas Watson, a young electrician whose services he had enlisted, were also exploring an idea that had occurred to him that summer - that of developing a device that would transmit speech electrically.
Bell's great success, achieved on March 10, 1876, marked not only the birth of the telephone but the death of the multiple telegraph as well.
memory.loc.gov /ammem/bellhtml/belltelph.html   (577 words)

  
 Inventor of the Week: Archive
Bell was born on March 3, 1847, in Edinburgh, Scotland, and educated at the universities of Edinburgh and London.
In 1880, Bell, patented the photophone, in which his telephone principle was applied to transmit words on a beam of light.
Later Bell developed the tetrahedron while he worked on the design for a kite that could carry a man. The figure, made up of four equilateral triangles, is one of natureÍs most stable structures and forms the basis for many modern bridges and towers.
web.mit.edu /invent/iow/graham_bell.html   (779 words)

  
 CBC.ca - The Greatest Canadian - Top Ten Greatest Canadians - Alexander Graham Bell
Alexander Graham Bell, the man considered to be one of the most important inventors of the 19th century, was born March 3, 1847 in Edinburgh, Scotland.
Bell's father, Alexander Melville, was also a pioneer in the field of elocution, developing "Visible Speech," a phonetic system that used a visual alphabet of symbols of the lip, throat and tongue positions needed to produce certain sounds.
Despite this remarkable achievement, Bell maintained he was much prouder of his accomplishments as a teacher of deaf mutes than of the invention of the telephone.
www.cbc.ca /greatest/top_ten/nominee/bell-alexander-graham.html   (956 words)

  
 AT&T: History: Inventing the Telephone
Bell impressed both men with his knowledge of electricity, and by 1874 they had agreed to pay his research expenses in return for a share in any inventions Bell might make.
Bell filed a patent application, a claim that “I have invented.“ Gray, on the other hand, filed a caveat, a document used at the time to claim “I am working on inventing.“ Priority in American patent law follows date of invention, not date of filing.
Bell announced his discovery, first in lectures to Boston scientists and then at the Philadelphia Centennial Exposition to a panel of notables including Brazilian Emperor Dom Pedro II and eminent British physicist William Thomson.
www.att.com /history/inventing.html   (910 words)

  
 Inventor Alexander Graham Bell Biography
Alexander Graham Bell was born on March 3, 1847, in Edinburgh, Scotland, and educated at the universities of Edinburgh and London.
This compelling biography of a true scientific visionary charts the course of Bell's remarkable life, showing how his early studies of speech and sound and his experience as an instructor of the deaf--the occupation that he considered to be his true life's work--led to his invention.
Bell was one of the cofounders of the National Geographic Society, and he served as its president from 1896 to 1904.
www.ideafinder.com /history/inventors/bell.htm   (1594 words)

  
 Alexander Graham Bell
Alexander Graham Bell was born in Edinburgh, Scotland on March 3, 1847.
Bell's telephone patent was one of the most valuable patents ever issued.
Bell went on to invent a precursor to the modern day air conditioner, and a device called a "photophone" that enabled sound to be transmitted on a beam of light and which today's fiber optic and laser communication systems are based.
www.mrnussbaum.com /bellquiz.htm   (443 words)

  
 Privateline.com Telephone History Page 4-- 1876 to 1892
Bell and Watson improved the telephone and made better models of it, but these changes weren't enough to turn the telephone from a curiosity into a needed appliance.
Bell later installed larger, better magnets into his telephones but there was a limit to what power the human voice could provide, Myer indicating about 10 microwatts.
On July 19, 1881 Bell was granted a patent for the metallic circuit, the concept of two wires connecting each telephone.
www.privateline.com /TelephoneHistory2A/Telehistory2A.htm   (2435 words)

  
 AT&T: History: Origins
The first telephone exchange, operating under license from Bell Telephone, opened in New Haven, CT in 1878.
Within three years, telephone exchanges existed in most major cities and towns in the United States, operating under licenses from what was now the American Bell Telephone Company.
The American Telephone and Telegraph Company was incorporated on March 3, 1885 as a wholly owned subsidiary of American Bell, chartered to build and operate the original long distance telephone network.
www.att.com /history/history1.html   (383 words)

  
 Bell Laboratories History   (Site not responding. Last check: )
Bell Labs, celebrating more than three-quarters of a century of innovation, is the most famous research and development organization in the world.
Bell Labs research and development community consists of 16,000 employees in 16 countries.
Bell Labs Around the World underscores Bell Labs continuing influence in communications technology as it reaches out to better serve Lucent's customers worldwide.
www.bell-labs.com /history   (830 words)

  
 Alexander Graham Bell Biography: Telephone & First Transcontinental Phone Call – EncycloMe
Alexander Graham Bell was an immigrant from Scotland.
Bell came up with a design for a piano that was able to transmit music to a distance with the use of electricity.
But as Bell was about to speak into the new instrument, a motion of his arm spilled a jar of acid over his clothes.
www.encyclomedia.com /alexander_graham_bell.html   (1044 words)

  
 Bell Family Papers: Collection Highlights
Bell taught Visible Speech and articulation to the deaf, individuals with speech difficulties, and teachers of the deaf.
While Alexander Graham Bell honeymooned in England with his new wife, his assistant Thomas Watson wrote to him about the progress of the newly-formed Bell Telephone Company, improvements made on the telephone, and developments by rival inventors.
The letter conveys their concern for their child and their faith in Bell as an "authority in these matters." Later correspondence, written several months later, reveals that Bell actually visited the family and that the little girl was showing progress as a result of his assistance.
memory.loc.gov /ammem/bellhtml/bellsp.html   (999 words)

  
 Bell Telephone
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www.arawakintl.com /cognigen/doorway-prod/Bell_Telephone.html   (1482 words)

  
 Alexander Graham Bell | Inventor
On March 7, 1876, the U.S. Patent Office granted Bell a patent for a communication device for "transmitting vocal or other sounds telegraphically." However, in 2002, the United States House of Representatives passed a bill conferring recognition for the invention of the telephone to Antonio Meucci.
Bell reasoned that it would be possible to pick up and transmit the sound of the human voice using an adaptation of his "harmonic telegraph." In 1875, along with his assistant Thomas A. Watson, Bell constructed instruments that transmitted recognizable voice-like sounds.
Bell was granted 18 patents in his name, and 12 he shared with collaborators.
www.lucidcafe.com /library/96mar/bell.html   (651 words)

  
 AT&T: History: Origins
Within three years, telephone exchanges existed in most major cities and towns in the United States, operating under licenses from what was now the American Bell Telephone Company.
The American Telephone and Telegraph Company was incorporated on March 3, 1885 as a wholly owned subsidiary of American Bell, chartered to build and operate the original long distance telephone network.
But the multiplicity of telephone companies produced a new set of problems -- there was no interconnection, subscribers to different telephone companies could not call each other.
www.corp.att.com /history/history1.html   (392 words)

  
 Alexander Graham Bell 1st Telephone Design.Good or Bad?
Bell and Watson had used a thin iron disk in place of the membrane and had a permanent magnet iron core in the coil they would have had a successful working model from the start.
Bell realized that he needed to achieve good working distance for a practical telephone and to achieve it he needed to have an externally powered system.
After all Bell and his telephone and Sam Morse and his telegraph were not very clever in the science and engineering needed to invent the telephone and telegraph but look what they started and how it has change everyone lives.
www.scitechantiques.com /belltelephone   (1284 words)

  
 Alexander Graham Bell
In fact, the Bell family was recognized throughout the world as the leading authorities on speech research and correction.
Bell had always been good with electronics and the mechanical side of things and he soon combined this with his knowledge in the communications world.
His first telephone was a basic model that used a series of reeds and magnets to turn the sound waves into a current that was able to travel through wire (Costain 76).
www.louisville.edu /~jmrobe04/bell.html   (1781 words)

  
 Bio4Kids - Meet the People - Alexander Graham Bell
Bell was born in Edinburgh, Scotland, on March 3, 1847.
Bell achieved his goal three weeks later, using ideas outlined in Gray's Notice of Invention, methods he had not proposed in his own patent.
Bell never lost interest in the education of the deaf and he started several organizations to help deaf people learn to speak.
www.biography.com /bio4kids/bio4kids-meet-alexander-graham-bell.jsp   (571 words)

  
 Cincinnati Bell Corporate Information
The City and Suburban Telegraph Company, later Cincinnati Bell Telephone, was officially incorporated on July 5, 1873, becoming the first company in the city to provide direct communication between the city`s homes and businesses.
Located at the corner of Fourth and Walnut streets downtown, Bell Telephonic Exchange was the first telephonic exchange in Ohio and the 10th in the nation.
In 1879, the first telephone directory was published and the first line extended across the Suspension Bridge to Covington, Ky. Women, or "hello girls" who had to memorize all callers` names, took the place of men as operators, and 25 employees served more than 1,000 customers.
www.cincinnatibell.com /aboutus/history   (668 words)

  
 Alexander Graham Bell: The Invention of the Telephone
Alexander Graham Bell: The Invention of the Telephone
Bell theorized in 1876 that if he could somehow vary the resistance in an electrical circuit at the frequency of sound it would cause the current to fluctuate in exact step with the sound.
Bell used a telegraph relay for his receiver but you can use a loud speaker or any other hearing device like in the fork tuning experiment.
www.juliantrubin.com /bigten/telephoneexperiments.html   (799 words)

  
 Alexander Graham Bell
Alexander Graham Bell was born in Edinburgh, Scotland on 3rd March, 1847.
Bell's health began to deteriorate and as both his brothers both died of tuberculosis, and in 1870 the family decided to emigrate to Canada.
Bell gave lectures on Visible Speech, a method of teaching speech to the deaf that had been developed by his father.
www.spartacus.schoolnet.co.uk /USAbellAG.htm   (652 words)

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