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 Who invented the first GPS system?

Answer The first GPS system was created as a guidance system for missiles and aircraft. Ivan Getting began working on the system with Bradford Parkinson in the 1970s. It was not until the 90s, though, tha... Read More »
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Who invented the first stereo system?

In 1931, inventor and electrical engineer Alan Blumlein, while attempting to improve sound systems in cinemas, developed a method that enclosed two sound channels into a single record groove and na... Read More »
http://www.answerbag.com/q_view/2023706

Who invented the first alarm system?

The first electrical alarm system was invented in 1852 by Edwin Holmes in Boston, Massachusetts. The alarm system was later improved by several companies, including the American Telephone and Teleg... Read More »
http://www.answerbag.com/q_view/1870077

Who invented the first subway system?

The city of London can lay claim to building the world's first subway system, proposed by London solicitor Charles Pearson. Opened on January 10, 1863, the cars on the 3 and 1/4 mile-long undergrou... Read More »
http://www.answerbag.com/q_view/2437539

Who invented the first security system?

The first security system was patented by Marie Brown and her partner Albert Brown, on December 2, 1969. Brown's invention combined a camera that relayed the image to a secure location, and a remot... Read More »
http://www.answerbag.com/q_view/1904486


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