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Who was given credit for "inventing" the Audion tube? |
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The Italian inventor who was the first pioneer to discover a use for radio waves? |
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| Who was ignored by Marconi when he applied for a job at Marconi Electronics? |
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What was the electronic device DeForest utilized to make the audion tube?
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| Although DeForest liked to claim credit for the first radio broadcast of voice and music, who made the first known broadcast of voice and music on December 24, 1906? |
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During his younger years, who set out to discover exactly how the Audio Tube worked?
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After discovering how the Audion worked, who devised an electronic system which turned the Audion into an amplifier tube?
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In what year did Armstrong apply for and receive a patent for his Audion Receiving System?
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What two inventors were involved in one of the longest court battles involving patent rights?
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| When was the first “network” radio broadcast? |
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Which President of the United States utilized the radio for his “Fire Side Chats?”
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Who was the individual that invented FM radio?
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How did Sarnoff react to the news of Armstrong inventing FM radio?
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| He was not interested because RCA was profitable from AM radio and the company was interested in the development of TV. The invention of FM radio would mean the scrapping of millions of AM sets. |
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What did Armstrong do after having his idea for FM radio turned down by Sarnoff?
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| To develop FM, he built his own radio tower. He began broadcasting and licensed companies to make FM receivers. |
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After Sarnoff belatedly offered $1 million for the rights to the FM system, what did Armstrong do?
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Definition
He refused Sarnoff’s offer and built his own network, the Yankee network. Armstrong said that RCA could pay a fee just as the other companies did.
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What did Sarnoff do after the FCC decided that the audio band for television would be carried by FM radio waves?
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| He (RCA) refused to pay royalties and encouraged other manufacturers not to pay them either. He then lobbied the FCC to change FM’s frequency, making obsolete every one of the radios Armstrong had licensed. |
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| When and where did Sarnoff announce the existence and development of television? |
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| What eventually happened as a result of Sarnoff encouraging other electronics manufacturers to ignore Armstrong’s patents for FM radio? |
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| Armstrong had to sell most of his shares of RCA and he nearly went bankrupt. |
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Did Armstrong’s problems, caused by Sarnoff, affect his personal life? If so, how?
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His health deteriorated and he became estranged from his wife. He later committed suicide.
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Was the battle between Sarnoff and Armstrong ever resolved? If so, by whom?
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| Yes, by Armstrong’s widow, Marion |
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| Who is criticized for taking what another inventor had developed, adding something to it, and then claiming to have developed a new revolutionary electronic device? |
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Who eventually won the patent court battle between Armstrong and DeForest?
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| Armstrong’s widow, Marion, 15 years after Armstrong’s death. |
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