Differential signal cable, and cable assembly and multi-pair differential signal cable using the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8378217
APP PUB NO 20110232941A1
SERIAL NO

12889746

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A differential signal cable for transmitting high-speed digital differential signals of several Gbit/s or more is provided to minimize characteristic impedance mismatch and to repress increase in the skew, or increase in disturbance due to differential-mode to common-mode conversion. A differential signal cable comprises two insulated wires arranged parallelly in a contact, each of said two insulated wires comprising a conductor and an insulator jacketing the conductor; a fusion layer provided on the surface of each of said two insulated wires; a drain wire placed longitudinally in a recess created in the interstice between said two insulated wires; and a shield tape lapping around said two insulated wires and said drain wire together, wherein a surface of said insulator of each of said two insulated wires is partially deformed so as to have a flat portion and said two insulated wires are fused each other at said flat portions.

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Patent Owner(s)

Patent OwnerAddress
HITACHI CABLE LTD14-1 SOTOKANDA 4-CHOME CHIYODA-KU TOKYO
HITACHI CABLE FINE-TECH LTD10-1 KAWAJIRI-CHO 4-CHOME HITACHI-SHI IBARAKI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nonen, Hideki Hitachi, JP 37 425
Sugiyama, Takahiro Hitachi, JP 154 1452
Tsukamoto, Yoshinori Hitachi, JP 19 142

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