Essay On Headphone

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Headphone is the “electro-acoustic transducer for converting electric signals into sounds.” There are electronic devices shown in fig.1 and fig.2 that have similar function as headphone. However, it is not reasonable to call them headphones in modern society. In order to distinguish the headphone in this paper from other similar electronic devices, the headphone refers to the one that is held over the ear. The inventor of the first modern headphone is Nathaniel Baldwin. Baldwin was born in a pioneer family in Utah in 1878. In his childhood, he was able to make a bicycle and a steam engine by himself. Baldwin’s family was members of the Church of Jesus Christ of Latter-day Saints (LDS Church). After he received a degree in electrical engineering from Stanford University, he taught in the Brigham Young University, which was his alma mater. In 1904, the president of the LDS declared the manifesto to end polygamy. Baldwin’s …show more content…

“This instrument consisted of two supersensitive sound receivers affixed to an operator's headband. Within each earphone was coiled a mile of fine copper wiring and a mica diaphragm, giving the Baldwin headset the most sensitive reception yet possible.” Subsequently, Baldwin sold his headphone to the US Navy. The US Navy predicted that there would be an inevitable war, which was the World War I, and ordered 100 headphones from Baldwin. Later Hepburn suggested Baldwin to improve the desirability of his headphone. (Arthur Japy Hepburn was an admiral in the United States Navy) In his kitchen workshop, Baldwin had developed the modern headset and kept improving it for several years. However, when Hepburn suggested him to apply for a patent immediately, Baldwin replied that he would not demean himself by requesting a patent on such trivia. Hence, the only patent existed was the Baldwin’s improvement on the telephone receiver but not his

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