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inventions aroud the world - Coggle Diagram
inventions aroud the world
computer
invented by Charles Babbage
One of the earliest and most well-known devices was an abacus. Then in 1822, the father of computers, Charles Babbage began developing what would be the first mechanical computer. And then in 1833 he actually designed an Analytical Engine which was a general-purpose computer.
invented in 1833
Telephone
invented by alexander grahm
invented in 1876
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 Puskás proposed the telephone switchboard exchange in 1876.
mobile phone
Martin Cooper
A mobile phone (or cellphone[a]) is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone). The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN).
invented in 1973
television
invented by Philo Farnsworth
Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927. The system was designed by Philo Taylor Farnsworth, who had been working on it since 1920. Electronic television is a type of television that uses electronic signals to produce images on a video screen
invented in 1927
