Fascinating
facts about the invention of the
telephone by Alexander Graham Bell in 1876.. |
TELEPHONE |
AT A GLANCE:
Probably no means of communication has
revolutionized the daily lives of ordinary people more than the
telephone.
The actual history of the telephone is a subject of
complex dispute. The controversy began with the success of the invention
and continues today. Some of the inventors credited with inventing the
telephone include Antonio Meucci, Philip Reis,
Elisha Gray and Alexander
Graham Bell. Bell's
experiments with his assistant Thomas Watson finally proved successful
on March 10, 1876, when the first complete sentence was transmitted:
"Watson, come here; I want you.". |
THE
STORY
RELATED INFO
BOOKS
VIDEOS
WEB SITES
QUOTATIONS
HOW IT WORKS
DID YOU KNOW? |
|
Invention: |
telephone on March 10, 1876 |
|
|
Definition: |
noun /
tel·e·phone |
|
Function: |
An
instrument which converts sound,
specifically the human voice, to electrical impulses of various
frequencies and then back to a tone that sounds like the original
voice.t |
| Patent(s): |
174,465
(US) issued March 7, 1876 filed February 14, 1876
161,739 (US) issued April 6, 1875 filed March 6, 1875 |
|
| Inventor: |
Alexander Graham Bell |
|
|
Criteria; |
First practical. Modern
prototype. Entrepreneur. |
| Birth: |
March
3, 1847, in Edinburgh, Scotland |
| Death: |
August
2, 1922, at Baddeck, Nova Scotia, Canada |
|
Nationality: |
American |
|
Milestones:
1831 Michael Faraday proved that vibrations of
metal could be converted to electrical impulses
1861 Johann Philip Reis built a apparatus that changed sound to
electricity and back again to sound
1871 Antonio Meucci filed his patent caveat (notice of intention to take
out a patent)
1874 A. G. Bell while working on a multiple telegraph, developed the basic ideas
for the telephon
1875 Bell files first patent for improved telegraphy
1876 Bell and Watson
transmit the first complete sentence
1876 Bell files patent application on
February 14,. patent issues March 7
1876
Elisha Gray
filed his patent caveat (notice of intention to
take out a patent) on February 14,
1877
formed Bell Telephone Company to operate local telephone exchange
operation
1877 first city exchange installed in
Hartford, Connecticut
1879 irst exchange outside the United States was built in London,
England
1880 invented
the photophone, which transmits speech by light rays
1882
acquired a controlling interest in the Western Electric Company,
Elisha Gray's company
1883 irst exchange linking two
major cities was established between New York and Boston
1885 formed American Telephone and Telegraph Company to operate the long
distance network.
1888 coin operated pay telephone was
patented by William Gray of Hartford, Connecticut
1891 first automatic telephone
exchange was patented by Almon Strowger of Kansas City
1921 The Detroit Police
Department, began experimentation with one-way vehicular mobile service.
1928 Detroit Police commenced regular one-way radio communication with
all its patrol cars.
1933 Bayonne, NJ Police Department initiated regular two-way
communications with its patrol cars
1936 Alton Dickieson, H.I. Romnes and D. Mitchell begin design of AT&T's
mobile phone system
1940 Connecticut State Police began statewide two-way, on the frequency
modulated (FM)
1941 FM mobile radio became standard throughout the country following
the success in Connecticut
1946 A driver in St. Louis, Mo., placed a phone call,it was the first
AT&T mobile telephone call.
1948 wireless telephone service was available in almost 100 cities
and highway corridors.
1947 cellular telephone service conceived by D.H. Ring at Bell Labs, but
the technology didn't exist
1962 The first commercial touch-tone phones were a big hit in their
preview at Seattle World's Fair.
1970 commercial Picture phone service
debuted in downtown Pittsburgh, Pennsylvania.
1971 Richard Frenkiel and Joel Engel of
AT&T applied computers and electronics to make it work.
1973 Martin Cooper of Motorola made the first cellphone call to his
rival Joe Engel of AT&T Bell Labs
1978 AT&T conducted FCC-authorized field trials in Chicago and Newark,
N.J.
1979 the first cellular network was launched in Japan.
1982 FCC granted commercial licenses to an AT&T subsidiary, Advanced
Mobile Phone Service
1983 AMPS was then divided among the local companies as part of the
planning for divestiture
1983 Illinois Bell opened the first commercial cellular system in
October
phone,
telephone,
bell, alexander graham bell, alex bell, bell telephone
company, at&t, bell labs, western electric,
Antonio Meucci, Philip Reis,
Elisha Gray, invention, history,
inventor of, history of, who invented, invention of, fascinating
facts. |
|
The Story:
Probably no means of
communication has revolutionized the daily lives of ordinary people more than the
telephone. Simply described, it is a system which converts sound, specifically the human
voice, to electrical impulses of various frequencies and then back to a tone that sounds
like the original voice. In 1831, Englishman Michael Faraday (1791-1867) proved that
vibrations of metal could be converted to electrical impulses. This was the technological
basis of the telephone, but no one actually used this system to transmit sound until 1861.
In that year, Johann Philip Reis (1834-1874) in Germany is said to have built a simple
apparatus that changed sound to electricity and back again to sound. A crude device, it
was incapable of transmitting most frequencies, and it was never fully developed.
A practical telephone was actually
invented independently by two men working in the United States, Elisha Gray
and Scottish-born Alexander Graham Bell. Incredibly, both men filed for a
patent on their designs at the New York patent office on February 14, 1876, with Bell
beating Gray by only two hours! Although Gray had built the first steel
diaphragm /
electromagnet receiver in 1874, he wasnt able to master the design of a workable
transmitter until after Bell had. Bell had worked tirelessly, experimenting with various
types of mechanisms, while Gray had become discouraged.
According to the famous story, the first fully intelligible telephone
call occurred on March 6, 1876, when Bell, in one room, called to his assistant in another
room. "Come here, Watson, I want you."
Watson heard the request
through a receiver connected to the transmitter that Bell had designed, and what followed
after that is a history of the founding of the Bell Telephone Company (later AT&T),
which grew to be the largest telephone company in the world.
The first
telephone system, known as an exchange, which is a practical means of communicating
between many people who have telephones, was installed in Hartford, Connecticut in 1877,
and the first exchange linking two major cities was established between New York and
Boston in 1883. The first exchange outside the United States was built in London in 1879.
The exchange involved a group of operators working at a large switchboard. The operators
would answer an incoming telephone call and connect it manually to the party being called.
The first automatic telephone exchange was patented by Almon Strowger of Kansas City in
1891 and installed in 1892, but manual switchboards remained in common use until the
middle of the twentieth century.
The coin operated pay telephone was patented by William Gray of Hartford in
1889. The first rotary dial telephone was developed in 1923 by Antoine Barnay in France.
The mobile telephone was invented by Bell Telephone Company and introduced into New York
City police cars in 1924. Although the first commercial mobile telephone service became
available in St. Louis, Missouri in 1946, the mobile telephone would not become common for
another four decades.
The first touch-tone system
- which used tones in the voice frequency range rather than pulses generated by rotary
dials - was installed in Baltimore, MD, in 1941. Operators in a central switching office
pushed the buttons; it was much too expensive for general use. However, the Bell System
was intrigued by touch-tone because it increased the speed of dialing.
By the early
1960s, low-cost transistors and associated circuit components made the introduction of
touch-tone into home telephones possible. Extensive human factors tests determined the
position of the buttons to limit errors and increase dialing speed even further. The first
commercial touch-tone phones were a big hit in their preview at the 1962 Seattle World's
Fair. The first Picturephone test
system, built in 1956, was crudeit transmitted an image only once every two seconds.
But by 1964 a complete experimental system, the "Mod 1," had been developed. To
test it, the public was invited to place calls between special exhibits at Disneyland and
the New York Worlds Fair. In both locations, visitors were carefully interviewed
afterward by a market research agency.
People, it turned out, didnt like
Picturephone. The equipment was too bulky, the controls too unfriendly, and the picture
too small. But the Bell System was convinced that Picturephone was viable. Trials went on
for six more years. In 1970, commercial Picturephone service debuted in downtown
Pittsburgh and AT&T executives confidently predicted that a million Picturephone sets
would be in use by 1980.
What happened? Despite its improvements, Picturephone was still big, expensive, and
uncomfortably intrusive. It was only two decades later, with improvements in speed,
resolution, miniaturization, and the incorporation of Picturephone into another piece of
desktop equipment, the computer, that the promise of a personal video communication system
was realized.
In 1978, American Telephone and Telegraphs (AT&T) Bell Laboratories
began testing a mobile telephone system based on hexagonal geographical regions called
cells. As the callers vehicle passed from one cell to another, an automatic
switching system would transfer the telephone call to another cell without interruption.
The cellular telephone system began nationwide usage in the United States in 1983.
The actual history of the telephone is a subject of
complex dispute. The controversy began with the success of the invention
and continues today. Some of the inventors credited with inventing the
telephone include Antonio Meucci, Philip Reis,
Elisha Gray and Alexander
Graham Bell. |
TO
LEARN MORE
RELATED INFORMATION:
Invention of the Mobile Telephone from The Great Idea Finder
Alexander Graham Bell Biography from The Great Idea Finder
Communication History
from The Great Idea Finder
History of Household Items from The Great Idea Finder
ON THE BOOKSHELF:
100 Inventions
That Shaped World History
by Bill Yenne, Morton, Dr. Grosser (Editor) / Paperback - 112 pages (1983) / Bluewood Books
This book contains inventions from all around the world from microchips to fire. This is a
really good book if you are going to do research on inventions.
Accidents May
Happen: 50 Inventions Discovered by Mistake
by Charlotte Foltz Jones, John O'Brien (Illustrator) / Hardcover - 86 pages (1996) /
Delacorte
Fifty inventions discovered by mistake serious subjects which will delight and entertain
kids.
Popular
Patents
by Travis Brown / Paperback - 224 pages / Scarecrow Press (September
1, 2000)
Eighty stories of America's first inventions. Each includes a sketch of the invention, a
profile of the inventor and a glimpse of how the invention has found its way into American
culture.
The
Telephone : Turning Point Inventions
by Sarah Gearhart / School & Library Binding - 80 pages (September 1999) / Atheneum
The telephone revolutionized long-distance communication by allowing people to speak with
each other quickly, clearly, and affordably. Today, you can send and receive information
from virtually anywhere using a wireless telephone, faxes, or E-mail, thanks to Bell's
invention of the telephone.
Understanding Telephone Electronics
by Joseph Carr, Steve Winder, Stephen Bigelow / Paperback: 432 pages /
Newnes; 4 edition ( 2001)
Understanding Telephone Electronics, Fourth Edition will serve as an
essential and invaluable resource for technicians, engineers, students
at major universities and corporations, and anyone with an enthusiasm
for telecommunication electronics.
The Telephone and Its Several Inventors : A History
by Lewis Coe / Hardcover (June 1995) / McFarland & Company
On the same day that Bell filed his patent application, a caveat (a preliminary patent
document) was filed by Elisha Gray. This coincidence sparked the first of many debates
over whether Bell was the true inventor of the telephone.
ON THE SCREEN:
The Telephone
DVD / 1 Volume Set / 50 Minutes / History Channel / Less than $25.00
/ Also VHS
Undeniably essential to modern life, the telephone is the most
important, influential, and effective communication tool ever developed.
Exploring how one man's speaking device has grown into the technological
web that links humankind, this thrilling program also revisits the race
between Bell and rival Elisha Gray—who was building a similar design but
ultimately filed the history-changing patent just two hours after Bell.
Digi-tech
DVD / 1 Volume Set / 50 Minutes / History Channel / Less than $25.00
See how the computing capacity of World-War II era room-sized computers
is now surpassed by hand-held devices; visit Zenith to see a
side-by-side comparison of regular television and HDTV; discover how a
Cold War era NASA program is transforming personal photography, and get
the inside story about MP3s.
ON THE WEB:
Alexander
Graham Bell's Path to the Telephone
Development was funded, in part, by a grant from the History and Philosophy of
Science program of the National Science Foundation. Maintained by the University of
Virginia
The
Telephone
From the PBS television series The American Experience: The Telephone
1876 The Telephone
The telephone was the beginning of a revolution in communications and commerce.
Cyber Telephone Museum
An Exhibit of Common & Rare Antique Telephones. Lots of great pictures.
Switchboard
Switchboard is the leading provider of white pages, yellow pages, free homepages, free
email, and other personalization services on the web.
Telephones in the Office
SciTech, Carbons to Computers series from the Smithsonian Institution.
The early office phone was a black, rotary-dial desk model, the Model
500 series, introduced by Bell Telephone Labs. in 1949.
(URL; www.smithsonianeducation.org/scitech/carbons/phones.html)
Antique Telephone Collectors
Association
The Antique Telephone Collectors Association, or ATCA, is the largest telephone collectors
organization in the world.
"talking telegraph" Patent of 1871
Antonio Meucci (1808 - 1889) sued Alexander Bell for patent infringement and was
nearing victory - the supreme court agreed to hear the case and fraud charges were
initiated against Bell - when the Florentine died in 1889. The legal action died with him.
Johann Philipp Reis Telephone
In 1861 Johann Phillip Reis completed the first non-working telephone.
His transmitter and receiver used a cork, a knitting needle, a sausage
skin, and a piece of platinum to transmit bits of music and certain
other sounds. But intelligible speech could not be reproduced.
The Invention of the Telephone
Be it known that I, Elisha Gray, of Chicago, in the County of Cook, and
State of Illinois, have invented a new art of transmitting vocal sounds
telegraphically, of which the following is a specification:
WORDS OF WISDOM:
"The human voice carries
entirely too far as it is...and now you fellows come along and seek to
complicate matters." - Mark Twain on the invention of the
telephone.
"A woman... said she was so lonesome she had been taking a
bath three times a day in hope that the phone would ring." -
Marshall McLuhan, 1964
HOW IT WORKS:
How a Telephone. Works
The very simplest working telephone would look like this inside: A
ThinkQuest student Web project.
DID YOU KNOW?:
- Patent No. 174,465 US issued March 7,
1876 to A. Graham Bell for the Telegraphy
- In the first month of the Bell Telephone Company's existence
in 1877, only six telephones were sold!
- When Bell's patent was sixteen months old, there were 778
telephones in use.
- Fifteen years after its invention in 1876, there were five
million phones in America. Fifteen years after the invention of cellular phones, more than
33 million wireless phones were in the U.S.
- During the depths of the Depression,
telephones in use fell from 16 to 13 per 100 population and by the
late 1970's the number had surpassed 75 per 100 population.
- It took the telephone 75 years and
television 13 years to acquire 50 million users. It has taken the
Internet five years. Today, more than 500 million people around the
world are connected to the Internet.
- In 1878, Rutherford B. Hayes was the first US president to
have a telephone installed in the White House. And to whom did the commander-in-chief
place his first call? Alexander Graham Bell, of course, who was waiting for the call some
13 miles away from the White House. The president's first words were said to have been,
"Please speak more slowly."
- When Alexander Graham Bell died on August 4, 1922, millions
of phones went dead. In Bell's honor, all phones served by the Bell System in the USA and
Canada went silent for one minute.
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Sources in BOLD Type. |
This
page revised January 11, 2006. |
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