guidon (plural guidons) 1  A small pennant or banner carried by infantry soldiers to direct troop movement. 2  A soldier assigned to carry such a banner.
Within a year or two, Western Union and other telegraph companies were using diplex telegraphs on their busiest lines in major cities. In 1874, Thomas Edison invented the first quadruplex telegraph, which was capable of sending two messages simultaneously in each direction.ears later, quadruplex telegraphs were displaced by two new inventions, multiplex telegraphy capable of eight or more simultaneous transmissions, and the use of teletype machines, which did not require their operators to know Morse Code.
Thomas Alva Edison Was Born in 1847 Early Years Year Invention Description 1863 Automatic Telegraph Repeater Edison's first invention at 16.It sent telegraph signals between unmanned stations, allowing almost anyone to easily and precisely translate code at his own speed and convenience.dison patented a system for electricity distribution in 1880 (U.S patent 239,147), which was essential to capitalize on the invention of the electric lamp. On December 17, 1880, Edison founded the Edison Illuminating Company.