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A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly.
May 8, 2024 · Learn about the invention, development, and features of the telephone, an instrument for transmitting and receiving human voice. Explore the functional components of the modern telephone, such as power source, switch hook, dialer, ringer, transmitter, receiver, and anti-sidetone circuit.
Find a variety of corded and cordless landline phones from brands like Beetel, HOLA, Panasonic and Motorola. Compare prices, ratings, offers and discounts on telephone models at Flipkart.
The master telephone patent granted to Bell, 174465, March 10, 1876. The modern telephone is the result of the work of many people. Alexander Graham Bell was, however, the first to patent the telephone, as an "apparatus for transmitting vocal or other sounds telegraphically".
May 8, 2024 · In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.
Nov 9, 2009 · Learn about the life and achievements of Alexander Graham Bell, who revolutionized communication with his invention of the telephone. Find out how he overcame legal challenges, worked on other projects and helped the deaf community.
May 21, 2021 · Learn about the history and evolution of the telephone, from its origins in sound and telegraphy to its modern forms. Discover the role of Alexander Graham Bell, Elisha Gray, and other pioneers in the invention and development of this communication device.
