telephone dy:deshaun

a system that converts acoustic vibrations to electrical signals in order to transmit sound, typically voices, over a distance using wire or radio.A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.

hey were found by Alexander Graham Bell in 1876 when he was awarded ... The original telephone design that Bell patented was much different than the ... When that phone is picked up, a connection between the two phones is initiated. ... The system of transmission presented describes what happens during a local call. there way smarter then the old phones, and there way faster.

Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Pushes proposed the telephone switchboard exchange in 1876.Alexander Graham Bell. Alexander Graham Bell is commonly credited as the inventor of the first practical telephone. The classic story of him saying "Watson, come here! I want to see you!" is a well-known part of the history of the telephone.Alexander Graham Bell (1847-1922), the Scottish-born American scientist best known as the inventor of the telephone, worked at a school for the deaf while attempting to invent a machine that would transmit sound by electricity.Alexander Graham Bell was born on March 3, 1847, in Edinburgh, Scotland. The second son of Alexander Melville Bell and Eliza Grace Symonds Bell, he was named for his paternal grandfather. The middle name “Graham” was added when he was 10 years old.

an installation for the manual control of telephone connections in an office, hotel, or other large building.A switchboard operator works for major companies, hospitals, and hotels where an influx of telephone calls are normally coming in. The operator assists callers by answering the line and connecting the caller to the correct person or department. Before modern inventions came into play, switchboard workers had to manually connect callers on a switchboard by plugging phone lines into the correct circuit. Today, switchboard operators work through computerized systems that need less human involvement. The operators of today are more customer service driven than in older days. aletxzander grand bell

Credits:

Created with images by ITU Pictures - "1876-05" • ITU Pictures - "1876-01" • masterjapko - "iphone 7 smarton touch id" • Archives New Zealand - "Black & white still, National Film Unit." • Kecko - "KP Vild - Switchboard"

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