Optical waveguides – Optical transmission cable
Reexamination Certificate
2006-08-01
2006-08-01
Pak, Sung (Department: 2874)
Optical waveguides
Optical transmission cable
C385S135000
Reexamination Certificate
active
07085456
ABSTRACT:
An optical and electrical isolating unit for use with a branching unit located in an undersea optical transmission system is provided. The unit includes a pressure vessel adapted for use in an undersea environment. First, second and third ports are located in the pressure vessel for receiving first, second and third undersea transmission cables, respectively. The first cable includes an electrical power conductor and at least one optical fiber. The second cable includes an electrical conductor, and the third cable, which is electrically unpowered, includes at least one optical fiber. An electrical power conductor segment is provided for electrically coupling the conductor in the first cable received in the first port to the conductor in the second cable received in the second port. At least one optical fiber segment is located in the pressure vessel, which segment optically couples the optical fiber of the first cable to the optical fiber of the third cable.
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Evangelides, Jr. Stephen G.
Nagel Jonathan A.
Mayer & Williams PC
Mayer, Esq. Stuart H.
Pak Sung
Red Sky Subsea Ltd.
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