Edwin H. Armstrong Blog Entries
Invent > Edwin H. Armstrong > Edwin H. Armstrong Blog Entries
< Edwin Beard Budding | Edwin H. Armstrong | Edwin H. Land >
We have 2 pages of Edwin H. Armstrong Blog Entries.
1.) Etymology & Invention
Over one day ago | Fri Aug 15 11:38:00 PDT 2008
?In 1935 Edwin H. Armstrong invented frequency-modulated (FM) radio, so that an audio signal can avoid "static," that is, interference from electrical equipment and atmospherics. ?In 1943, the US Supreme Court acknowledged that ...
From Think And Learn Communications
2.) The Miracle of Talking Birds
Over one day ago | Tue Sep 2 14:20:00 PDT 2008
To solve this problem, Edwin H. Armstrong invented a system for eliminating noise caused by the power of the waves. Instead of changing the transmission signal or the strength of the transmitter, he changed the frequency of sound waves ...
From admin
3.) Radio - Articles
Over one day ago | Tue Jul 29 11:41:00 PDT 2008
... 2005 I published a satirical and fictitious interview with two of Radio 146 s most prominent but dead founding fathers on the current state of the medium Guglielmo Marconi invented the radiotelegraph and Edwin H Armstrong invented ...
From remymaaqf
4.) Science from 1930 - 1945
Over one day ago | Sun Jun 8 13:31:00 PDT 2008
Frequency Modulation FM - 1939 USA by Edwin H Armstrong - sound by radio waves. Helicopter - 1936 Germany by Heinrich Focke. Jet Engine - 1930 England by Frank. Whittle Nylon - 1931 USA by Wallace Corothers - artificial silk ...
From snack
5.) Just Who Invented Radio And Which Was The First Station?
Over one day ago | Mon Aug 11 3:49:00 PDT 2008
In 1913 Edwin H. Armstrong (who much later invented FM Radio) created a way to increase the sensitivity of receivers. This regeneration system ended up in litigation with De Forest who claimed he was the inventor. ...
From hardware
6.) US Inventions
Over one day ago | Fri Aug 15 18:20:00 PDT 2008
Early mobile FM (frequency modulation radio was invented by Edwin H. Armstrong in 1935) radio telephones had been in use in the USA since 1946, but since the number of radio frequencies are very limited in any area, the number of phone ...
From noreply@blogger.com (Baker)
7.) Over radiowaves
Over one day ago | Fri Aug 15 10:55:00 PDT 2008
FM radio was invented by Edwin H. Armstrong in the 1930s for the specific purpose of overcoming the interference (static) problem of AM radio, to which it is relatively immune. At the same time, greater fidelity was made possible by ...
From Think And Learn Communications
8.) RADIO: (Part 4 of 5)
Over one day ago | Tue Aug 12 16:24:00 PDT 2008
De Forest and Edwin H. Armstrong independently patented the regenerative circuit. This aided reception and also could make an audion produce oscillating current for a carrier wave. Armstrong invented the super heterodyne circuit in 1918 ...
From Stan
9.) Edwin Armstrong - inventor of FM, superheterodyne, and ...
Over one day ago | Thu Sep 8 22:49:00 PDT 2005
Radio's premier inventor, Edwin H. Armstrong was responsible for the Regenerative Circuit (1912), the Superheterodyne Circuit (1918), the Superregenerative Circuit (1922) and the complete FM System (1933). ...
From carnotite
10.) The United State Dragoon Regiment 1781-1874 P. 1
Over one day ago | Thu Aug 28 10:30:00 PDT 2008
The Secretary of War be directed to appoint a board of dragoon officers, to witness an exhibition of the improved repeating firearms, invented by Samuel Colt, and report the results, in detail, together with their opinion as to the ...
From Dennis Segelquist
Show us off
Bookmarkz