…American radio engineer. Born in New York, he became interested in wireless telephones while in high school and studied under MI Pupin (1858-1935, famous for introducing the loading coil to long-distance communication cables) at Columbia University. From [Telecommunications]…However, one of the problems with cable lines is that attenuation becomes significant over long distances. Initially, the loaded cable invented by Michael Idyorsky Pupin (1858-1935) in 1900 was used as a method to compensate for this attenuation electrically. This involves inserting coils called loading coils in series at various points along the cable to equalize and compensate for the signal attenuation caused by the capacitance between the lines. … *Some of the terminology that mentions "Pupin, MI" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…アメリカの無線技術者。ニューヨークに生まれ,ハイスクール時代に無線電話に興味をもち,コロンビア大学でピューピンM.I.Pupin(1858‐1935。長距離通信ケーブルに装荷コイルを導入したことで著名)に学んだ。… 【電気通信】より…しかしケーブル線路の問題の一つは,長距離回線になると減衰が著しくなることである。当初はこの減衰を電気回路的に補償する方式として1900年にピューピンMichael Idyorsky Pupin(1858‐1935)により発明された装荷ケーブルが用いられた。これはケーブルのところどころに装荷線輪と呼ばれるコイルを直列に挿入し,線間容量による信号減衰を等化補償するものである。… ※「Pupin,M.I.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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