History of telephone

Robert Hooke invented a string telephone that conveyed sounds over an extended wire by mechanical vibrations. Charles Morrison proposes the idea that electricity can be used to transmit messages, by using different wires for each letter. Innocenzo Manzetti first mooted the idea of a "speaking telegraph" telephone.

History of telephone

Timeline The rise of the telephone and associated industries has produced some of the most incredible technological changes in the history of humankind, and all within little more than one hundred twenty-five years.

This timeline charts just a few of these extraordinary leaps of innovation and invention. To see the timeline complete and large enough to read, click on the image above.

History of telephone

You can also simply scroll down this page to see each piece of the timeline as it stands alone. We have also prepared a special "Top 10" list of past telecommunications events. Please click here to view it.

From Party line to online: The telephone had as big an impact on the 20th century as the Industrial Revolution had on the 19th century. It changed the way we live, work and play--and contributed to the invention of television, computers, pagers, fax machines, e-mail, the Internet, online stock trading and more.

In the next decade we can expect wireless Internet connections in your car or briefcase, phone numbers you keep for life and voice activated dialing at the touch of a button at home, work, or on the go.

Alexander Graham Bell invents the telephone First telephone Yellow Pages directory First dial phone;phones in the U. First coin-operated telephone installed in the Hartford Bank by the payphone's inventor, William Gray. Herbert Hoover becomes first president of the United States with a phone on his desk.

Until this time, the president talked on a phone from outside a booth outside his executive office ss Field tests for the first pagers begin in Allentown and Bethlehem, Pennsylvania First phone with a lighted dial, became a part of American pop culture The first Touch-Tone telephones are test-marketed in Findlay, Ohio.

These telephones had 10 buttons, rather than the 12 buttons of today Hotline established between White House and Kremlin following the Cuban missile crisis The nation's telephone companies agree to make this three-digit sequence unavailable as an exchange number ss The term "Internet" is used for the first time two years later, but the concept of the Internet as we know it today didn't evolve until later First cellular phones s Controversial at the time, Caller ID has become America's most popular add-on feature The World Wide Web is born, marking the beginning of the Internet as we know it today.

A short history of the telephone industry and regulation

Most Americans get Internet connections through their phone lines and beyond The "Web Phone" combines a traditional telephone with an LCD touch-screen and a retractable keyboard to let customers surf the Internet, check e-mail, make phone calls and check voice mail from a single device The "Thin Phone" integrates wireless Internet access with local wireless phone service, allowing Internat customers to stay connected with everything from Web pages to voice and e-mail, all while on the move and beyond:At the start of the 20th century, many basic features of telephone technology were in place.

By then, the human voice was captured by a method that would remain standard for many decades: In the microphone, sound waves pressed carbon granules together, changing their electrical resistance and imposing an analogous pattern of variations on a current passing through them.

Telephone: Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use.

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This article describes the modern telephone’s components and . Bell Homestead NHS. Bell Homestead National Historic Site 94 Tutela Heights Road Brantford, ON N3T 1A1, Canada.

Telephone: Fax: The Phone Company had to make "ring voltage," normally 90VAC at 20 cycles, using special Ringing Voltage Generators. A regular electric motor drove a magneto (similar to the ones that were cranked by hand on phones), to provide ringing voltage.

Fascinating facts about the invention of the Telephone by Alexander Graham Bell in Nov 09,  · Watch video · Outside of the telephone, one of Bell’s other famous inventions was the graphophone, patented in , which was a device that could record and play back sound.

Telephone History - Invention of the Telephone