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The "electric eye" (photoelectric switch, photosensor) was invented in the 1920's and used for various purposes such as counting vehicles at toll booths and for burglar alarms.
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Who inveted the first electric telescope?
Paul Gottlieb invented the first electric telescope.
Who invented the first electric cell?
Allessandro Volta
When did Michael Faraday come up with the electric motor?
The Electric motor was invented in 1821 by Michael Faraday.
Who invented Saturn?
Nobody invented Saturn; it formed by natural process. Since Saturn can be seen with the naked eye it does not have a discoverer either.
Location in the eye where light energy changes to electric energy?
It is in cells in the retina called rods or cones.
Who invented the electric eye?
Albert Einstein
Who invented the electric eye for blind people?
Albert Einstein
Who invented electric transit?
Who invented thd Electric Transit? What year was the Electric Transit invented?
Who invented electric tolls?
Who invented thd Electric Transit? What year was the Electric Transit invented?
When was the electric iron invention?
When Was The Electric Iron Invented? When Was The Electric Iron Invented?
When was Electric Eye - album - created?
Electric Eye - album - was created in 1984.
When was an electric lawn mower invented?
The electric lawn mower was invented in 1830.
When was the glass eye invented?
the glass eye was invented by galiao stupid
Who invented the electric bow tie?
Micheal Boaslink invented the electric bowtie in 2006.
How did the electric drill come to be invented?
Wilhelm Fein invented the portable electric drill in 1895.
Who invented the electric grinder?
The electric grinder was invented by the Hobart Manufacturing Company. It was invented in the year of 1898 in Troy, Ohio.
Who invented the electric circuit?
Electric circuit was invented by Alessandro Volta in 1800.
