Method and cable for transmitting communication signals and electrical power between two spaced-apart locations
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United States of America Patent
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Aug 22, 1995
Grant Date -
N/A
app pub date -
Feb 10, 1993
filing date -
Feb 12, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a method for transmitting communication signals and electrical power on a cable between two spaced apart locations, for example between a land based control center and an offshore installation. The communication signals are transmitted over at least two twisted pairs The conductors of each twisted pair are connected in parallel to constitute a power conductor. The communication and power transmissions are separated by transformers. The invention also relates to a cable for performing the method. The cable includes at least two power conductors, each being constituted by one pair of twisted insulated conductors, enclosed within an insulation sheath and outer armor and corrosion protection.
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