TELEPHONES

By: Shelby S. ThompsonDate: September 18, 2009

Class: TechnologyPeriod: 8/9

Telephones (noun) are electronic communication device that are use to

contact and speak to somebody.

WHAT IS A TELEPHONE?

Most children had string of thread between two empty soda cans and “inserted” their own communication.

By the early 1900’s the telephones was already considered a most individual device that ever been used for mankind entertaining tool.

Technology has advanced to the point where cellular telephone services is an everyday part of life.

HOW THE TELEPHONE WAS ORININALLY MADE?

THE INVENTION OF TELEPHONES

In the late 1940’s when mobile phone was in its early stages of process a two-a-way radio using one side to transmit to send users voice back and fourth.

Telephones all in less than 20yrs; makes cell phones one of the world’s most popular inventions could modify both walking and sleeping electrical activity of a human brain.

There comes a time where everyone should know that who had created the invention of telephone; in

the very beginning?

Well there is only one inventor who has created the most famous technology of telephones. And

his name was Alexander Graham Bell.

WHO INVENTED THE 1ST TELEPHONE?

ALEXANDER GRAHAM BELL(MARCH 13, 1847 – AUGUST 7,

1922)

WHO WAS ALEXANDER GRAHAM BELL?

Alexander Graham Bell was an American Inventor and Teacher of the Deaf (unable to hear) very much known as the very 1st inventor of telephone technology.

Alexander was born in March 13, 1847 in Scotland and educated at the Universities of Edinburgh and London.

Since he was 18; Bell had been working on the idea of transmitting speech. In 1884, while working on a multiple telegraph, he developed basic ideas for the telephone. His experiments with his assistant Thomas Watson finally proved successful on March 10, 1876.

He improved the results with the series of experiments over the next few months. That day; he transmitted sound clearly over a wire between Cambridge and Salem, Massachusetts.

This design, used for both the transmitter and the receiver, became standard for the commercial instruments introduced in 1877.

The Evolution Of Telephones

1876 - 1915

The Evolution Of Telephones

1876 Liquid Transmitter

1879 Top Box Viaduct Hardware

1800 Gower BellTelephone

1855 (est.) WoodCradle Desk Telephone

1892 Western ElectricFolding Cabinet Desk Set

1899 Strowger 10 digitAutomatic Wall Telephone

1900 Couch & SeeleyUpright Desk Set

1902 Kellogg Corner Vanity 1902 Stromberg CarlsonCommon Battery Wall Set

1905 Chicago Upright DeskSet

1905 Connecticut Lobby Interphone

1905 Strowger 11 digitDesk Telephone

1900 Stromberg Carlson Tapered Shaft Desk Set

1914 Magnavox Anti –NoiseDesk Set

1914 Magnavox Anti-Nose Desk Set Type B1

1915 De Veau DeskSet

1915 (est.) Home MadeWall Telephone 1910 S.H. Coach & Co.

Inter-Phone

What’s Going on with Telephones Today?

In 1977, two communication companies AT&T and Bell Labs, began changing experimental telephones into cell phones.

Five years Later; the latest figures were costing more than 400 million cell phone users worldwide.

With more than 250,000 added everyday, a stark contest to the mere 11 million users in 1990.

Technology has advanced to the point where cellular telephone service is an everyday part of life.

In Europe; many people only have a cellular phone. In the United States, Cellular telephones allow people to take calls anywhere and be connected 24-hours a day.

INCONCLUSION

The telephone continues to control popular culture. Many companies spend millions of dollars in marketing each year.

And, as result; these companies have some of the strongest brand names in the world.

With over 2 million shareholders, AT&T has always been one of the most widely held stocks in the world.

However; unlike many other large corporations, AT&T, due to Bell’s original invention; has become a fixed part of American popular culture.

“Thank You; For Your Inspiration

You’ve Been A Wonderful Audience!!!!”