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Optical fiber transmission system and supervision method of the same

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-010/02
출원번호 US-0023546 (1993-02-26)
우선권정보 JP-0042835 (1992-02-28); JP-0085314 (1992-04-07); JP-0087247 (1992-04-08); JP-0087361 (1992-04-08)
발명자 / 주소
  • Tsushima Hideaki (Wakou JPX) Sasaki Shinya (Kodaira JPX) Nakano Yukio (Zama JPX) Nakano Hiroyuki (Asaka JPX) Tateyari Ryoji (Koganei JPX) Matsuda Hironari (Yokohama JPX) Tomooka Kenji (Yokohama JPX)
출원인 / 주소
  • Hitachi, Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 104  인용 특허 : 0

초록

An optical repeater for realizing transmission of supervisory information of an optical fiber transmission system without the output power of an optical fiber amplifier being reduced, wherein a supervisory optical transmitter and optical receiver with a wavelength which is similar to the wavelength

대표청구항

An optical repeater for amplifying a data optical signal (with a wavelength of llll

이 특허를 인용한 특허 (104)

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