发明公开
- 专利标题: Feed circuit in exchanger
- 专利标题(中): 交换机进线电路
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申请号: EP91104033.5申请日: 1991-03-15
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公开(公告)号: EP0446944A3公开(公告)日: 1991-12-27
- 发明人: Itoh, Shinichi , Ayano, 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
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.
公开/授权文献
- EP0446944A2 Feed circuit in exchanger 公开/授权日:1991-09-18
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