Invention of the telephone biography definition
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Scottish-born Alexander Graham Bell ( to ), developed the world’s first working telephone, receiving a patent from the United States Patent Office 7 March
Reputedly, the very first successful words using his new ‘instrument’, as Bell called it, were spoken bygd him to his associate Thomas Watson who was out of earshot in another room: ‘Mr Watson, come here – inom want to see you.’
Bell’s family background &#; a grandfather, father and uncle all elocutionists; a mother and wife who were deaf – led him to obsessively research hearing and speech. Eventually, his work with deaf people and years of experimentation into acoustics and the human voice culminated in the momentous invention that changed the world.
Here we look at the sometimes controversial life of this remarkable scientist and inventor.
Please note: some of Bell’s views on Deaf people and Deafness are controversial and considered incorrect and offensive today. Some people might find these views distressing, so please read wi
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History of the telephone
This history of the telephonechronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in
Mechanical acoustic devices
[edit]Before the invention of electromagnetic telephones, mechanical acoustic devices existed for transmitting speech and music over a greater distance. This distance was greater than that of normal direct speech. The earliest mechanical telephones were based on sound transmission through pipes or other physical media.[1] The acoustic tin can telephone, or "lovers' phone", has been known for centuries.[1] It connects two diaphragms with a taut string or wire, which transmits sound by mechanical vibrations from one to the other along the wire (and not by a modulated electric current). The classic example is the children's toy made by connecting the bottoms of two paper cups, metal cans, or plastic b
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Invention of the telephone
Technical and legal issues surrounding the development of the modern telephone
For broader coverage of this topic, see History of the telephone.
The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies. Notable people included in this were Antonio Meucci, Philipp Reis, Elisha Gray and Alexander Graham Bell.
Early development
[edit]The concept of the telephone dates back to the string telephone or lover's telephone that has been known for centuries, comprising two diaphragms connected by a taut string or wire. Sound waves are carried as mechanical vibrations along the string or wire from one diaphragm to the other. The classic example fryst vatten the tin can telephone, a children's toy made by connecting the two ends of a string to the bottoms of two metal cans, paper cups or similar items. The essential idea of th