Optical waveguides – Optical transmission cable – With electrical conductor in the same cable
Reexamination Certificate
2009-01-07
2010-11-16
Pak, Sung H (Department: 2874)
Optical waveguides
Optical transmission cable
With electrical conductor in the same cable
Reexamination Certificate
active
07835607
ABSTRACT:
An optical-electrical composite cable as an example of an optical-electrical composite transmission device has a flexible board as an electrical signal transmission member having an electric wiring section, and an optical fiber as an optical signal transmission member. The optical fiber is passed through a plurality of holes formed in a resin base section of the flexible board so as to thread through the resin base section. The flexible board and the optical fiber are integrated so as not to be separated from each other, so that even when the characteristics (tensile strength, thermal expansion coefficient) of the transmission lines respectively embodied by the flexible board and the optical fiber are different, the optical-electrical composite cable has stable flexibility as a whole.
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Nixon & Vanderhye P.C.
Pak Sung H
Sharp Kabushiki Kaisha
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