Search results
Results from the WOW.Com Content Network
Lord Kelvin describes the telephone as "the greatest by far of all the marvels of the electric telegraph". [6] 10 August 1876: Alexander Graham Bell makes the world's first long-distance telephone call, one-way, not reciprocal, over a distance of about 6 miles, between Brantford and Paris, Ontario, Canada.
The following is a brief summary of the history of the development of the telephone: Antonio Meucci's telephone. Reis's telephone around 1861, first device called telephone [22] A French Gower telephone of 1912 at the Musée des Arts et Métiers in Paris
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Cables usually bring a large number of drop wires from all over a district access network to one wire center or telephone exchange. When a telephone user wants to make a telephone call, equipment at the exchange examines the dialed telephone number and connects that telephone line to another in the same wire center, or to a trunk to a distant ...
Telephone calls are initiated most commonly with a keypad or dial, affixed to the telephone, to enter a telephone number, which is the address of the call recipient's telephone in the telecommunications system, but other methods existed in the early history of the telephone.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 December 2024. Technical and legal issues surrounding the development of the modern telephone For broader coverage of this topic, see History of the telephone. Replica of Antonio Meucci's telettrofono Reis's telephone The invention of the telephone was the culmination of work done by more than one ...
A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony , where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium .
Gray had filed his caveat for the variable resistance telephone, but Bell was the first to document the idea and test it in a telephone.[88] [22] Antonio Meucci invented a device that allowed the electrical transmission of voice over a line nearly 30 years before in 1849, but his device was of little practical value because it relied on the ...