发明公开
EP0446944A3 Feed circuit in exchanger 失效
交换机进线电路

  • 专利标题: Feed circuit in exchanger
  • 专利标题(中): 交换机进线电路
  • 申请号: EP91104033.5
    申请日: 1991-03-15
  • 公开(公告)号: EP0446944A3
    公开(公告)日: 1991-12-27
  • 发明人: Itoh, ShinichiAyano, Mitsutoshi
  • 申请人: FUJITSU LIMITED
  • 申请人地址: 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 JP
  • 专利权人: FUJITSU LIMITED
  • 当前专利权人: FUJITSU LIMITED
  • 当前专利权人地址: 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 JP
  • 代理机构: Lehn, Werner, Dipl.-Ing.
  • 优先权: JP66701/90 19900316; JP68147/90 19900320
  • 主分类号: H04M19/00
  • IPC分类号: H04M19/00
Feed circuit in exchanger
摘要:
A feed circuit (11, 13) in an exchanger supplies DC power to a subscriber line. The DC power is monitored and feedback-controlled so that the DC power can be automatically adjusted. Therefore, the feed circuit can satisfy various user's needs.
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