Tech
Essay specific features
Written by:
Robert R
Date added:
October 26, 2013
Level:
University
Grade:
A
No of pages / words:
5 / 1240
Was viewed:
4696 times
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Essay content:
In 1880, Bell patented a phone using optical transmission called the Photophone. Bell’s invention failed because it used air as the medium to transmit light, rather than the glass fibers that are used today. Copper wire was simply more reliable than Bell’s invention at the time, leading to the failure of his Photophone (Hecht, 1999)...
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Copper wire was simply more reliable than Bell’s invention at the time, leading to the failure of his Photophone (Hecht, 1999).
Expanding on Bell’s idea, English scientist John Logie Bard and United States scientist Clarence W. Hansell patented the idea of using hollow glass pipes to transmit television images in the 1920’s...
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