H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 3/44 (2006.01) H04B 10/00 (2006.01)
Patent
CA 2059493
A feeding system for supplying a current to repeaters on communication cable including a feed line for conducting a current to the repeaters, comprising: a plurality of branching units provided on the communication cable; terminal stations each being connected through at least one of the repeaters to one of the branching units, each of the terminal stations feeding a current through the feed line to the repeaters; each of the plurality of branching units having at least one switching circuit for switching to connect the at least one of the repeaters to the communication cable or to the ground, depending on the amount of current conducting through the feed line in the communication cable; the current thresholds of the switching circuits in the plurality of branching units being different from each other.
Inoue Yoshiyuki
Ohta Kenji
Takahashi Masaaki
Fujitsu Limited
Mcfadden Fincham
LandOfFree
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