History Of Telephones

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Telephones History

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The early telephone books did not contain any phone numbers only the names of the subscribers.

History of telephones. This article describes the modern telephone s components and traces its historical development. Although a highly successful system the telegraph was basically limited. The world s first pay phone was created and patented by an inventor named william gray from hartford connecticut.

The telephone girl was therefore a popular profession for several decades. History of pay phones. The earliest mechanical telephones were based on sound transmission through pipes or other physical media.

By 1877 the bell telephone company which today is known as at t was created in 1915 bell made the first transcontinental phone call to watson from new york to san francisco. Created using powtoon free sign up at htt. While the transmission of speech by radio has a long history the first devices that were wireless mobile and also capable of connecting to the standard telephone network are much more recent.

When he began experimenting with electrical signals the telegraph had been an established means of communication for some 30 years. Before the invention of electromagnetic telephones mechanical acoustic devices existed for transmitting speech and music over a greater distance greater than that of normal direct speech. It has become the most widely used telecommunications device in the world and billions of telephones are in use.

In recent years the purpose of the cell phone has shifted from a verbal communication tool to a multimedia tool often adopting the name mobile device rather than being called a phone at all. The first commercial telephone exchange was installed in 1878 and manual switching remained in use in many parts of the world until the 1940s. The acoustic tin can telephone or lovers phone has been known for centuries.

The telegraph and telephone are both wire based electrical systems and alexander graham bell s success with the telephone came as a direct result of his attempts to improve the telegraph. Images animations and music credit to powtoon. We now use our cell phones more for surfing the web checking email snapping photos and updating our social media status than actually placing calls.

The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. Telephone an instrument designed for the simultaneous transmission and reception of the human voice.

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