发明公开
- 专利标题： Method and means for replacing an electrically conducting cable by another electrically conducting cable
- 专利标题（中）： 方法和装置，用于一个电信电缆部的由另一交换
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申请号： EP96202636.5申请日： 1996-09-20
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公开(公告)号： EP0766440A1公开(公告)日： 1997-04-02
- 发明人: Van den Brink, Robertus Franciscus Maria
- 申请人： Koninklijke PTT Nederland N.V.
- 申请人地址： P.O. Box 95321 2509 CH Den Haag NL
- 专利权人： Koninklijke PTT Nederland N.V.
- 当前专利权人： Koninklijke PTT Nederland N.V.
- 当前专利权人地址： P.O. Box 95321 2509 CH Den Haag NL
- 代理机构： de Bruijn, Leendert C.
- 优先权： NL1001293 19950926
- 主分类号： H04M1/74
- IPC分类号： H04M1/74 ; H04B1/74
摘要：
Method for replacing a first cable (1) by a second cable (2) between a first predetermined point (1a) and a second predetermined point (1b), comprising:
a. the provision of first series impedance means (S1) close to the first end (2a) and second series impedance means (S2) close to the second end (2b) of the second cable (2), which first (S1) and second (S2) series impedance means can be switched between a state of high impedance value and a state of low impedance value;
b. electrically connecting the second cable to the first cable (1) at the first (1a) and second (1b) points, during which operation both the first (S1) and the second (S2) series impedance means are kept in their state of high impedance value;
c. switching the first (S1) and (S2) series impedance means to their state of low impedance value before optionally removing the first cable between the first point and the second point,
wherein both said first (S1) and said second (S2) series impedance means are impedance inducing means allowing induction of an impedance within a range from a low impedance value to a high impedance value without cutting through said second cable (2).
a. the provision of first series impedance means (S1) close to the first end (2a) and second series impedance means (S2) close to the second end (2b) of the second cable (2), which first (S1) and second (S2) series impedance means can be switched between a state of high impedance value and a state of low impedance value;
b. electrically connecting the second cable to the first cable (1) at the first (1a) and second (1b) points, during which operation both the first (S1) and the second (S2) series impedance means are kept in their state of high impedance value;
c. switching the first (S1) and (S2) series impedance means to their state of low impedance value before optionally removing the first cable between the first point and the second point,
wherein both said first (S1) and said second (S2) series impedance means are impedance inducing means allowing induction of an impedance within a range from a low impedance value to a high impedance value without cutting through said second cable (2).
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