Hitachi Metals, Ltd.

Hitachi Cable, Inc.

Hitachi Cable Fine-tech, Ltd.

Hitach Cable, Ltd.

Haruyuki Watanabe

Detian Huang

Takanobu Watanabe

Kimika Kudo

Masanori Kobayashi

Tomoyuki Ogawa

Morihiko Ikegaya

Naoki Iso

Kazuhiro Aida

Takahiro Sugiyama

Akinari Nakayama

Masafumi Kaga

Sohei Kodama

Yohei Shirakawa

Keisuke Fukuchi

Minoru Oikawa

A coaxial cable includes a central conductor, a plurality of insulating twisted threads or insulation strings wound therearound, each insulating twisted thread including a plurality of insulating strings twisted together, a cover layer provided around the insulating twisted threads or the insulation strings to form a gap to the insulating twisted threads or the insulation strings, and an outer conductor and a jacket provided on the outer periphery of the cover layer.

Coaxial cable and medical cable

A cable includes a bush that accommodates a coil formed by helically winding a heat-transfer wire to have a heat dissipation function. The bush may include a resin material including a heat-transfer powder mixed therein. The heat-transfer wire may be configured to be connected to a heat source attached to the cable to receive heat from the heat source. The bush may include a smooth surface.

Cable

A shielded cable includes an inner conductor, an insulation covering an outer periphery of the inner conductor, and an outer conductor covering an outer periphery of the insulation. The outer conductor includes a first outer conductor covering the outer periphery of the insulation and including a served shield with first element wires spirally wound, and a second outer conductor covering an outer periphery of the first outer conductor and including a braided shield with second element wires braided.

Shielded cable

A cable with braided shield includes a conductor, an insulation layer arranged to cover a periphery of the conductor, a braided shield layer arranged to cover a periphery of the insulation layer, and a sheath arranged to cover a periphery of the braided shield layer. The braided shield layer includes an inner braided shield layer, and an outer braided shield layer provided on a periphery of the inner braided shield layer. The inner braided shield layer includes a braided shield braided to cross metal wires. The outer braided shield layer includes a braided shield braided to cross a copper tinsel wire and a metal wire.

Cable with braided shield

A cable with braided shield includes a conductor, an insulation layer arranged to cover a periphery of the conductor, a braided shield layer arranged to cover a periphery of the insulation layer, and a sheath arranged to cover a periphery of the braided shield layer. The braided shield layer includes a braided shield braided to cross a copper tinsel wire and a metal wire. An outer diameter D1 of the copper tinsel wire is larger than an outer diameter D2 of the metal wire.

A composite cable includes a twisted wire formed by twisting a plurality of signal lines, and a plurality of power lines that are arranged on a circumference of a circle concentric with the twisted wire so as to surround an outer circumference of the twisted wire and are twisted around the twisted wire.

Composite cable

A flexible cable includes an outer sheath at an outermost portion. The outer sheath includes an inner layer made of an elastomer containing polypropylene resin, and an outer layer surrounding the inner layer and made of polypropylene resin.

Flexible cable

A coaxial cable includes a central conductor, and an electrical insulator formed around a circumference of the central conductor. The electrical insulator is made of an electrical insulating tape wrapped and overlapped around the circumference of the central conductor. The electrical insulating tape includes a plurality of voids formed on one outer circumferential surface.

Coaxial cable and medical cable using same

A multicore shielded cable includes a first core wire group composed of a plurality of assembled core wires, a first binding tape wound around an outer circumference of the first core wire group, a first braided shield provided around an outer circumference of the first binding tape, a second binding tape wound around an outer circumference of the first braided shield, a second core wire group composed of a plurality of core wires arranged around an outer circumference of the second binding tape, a third binding tape wound around an outer circumference of the second core wire group, a second braided shield provided around an outer circumference of the third binding tape, and a jacket provided around an outer circumference of the second braided shield.

Multicore shielded cable and branching method therefor

A medical cable includes a plurality of cables, a braided shield covering a circumference of the plurality of cables together and being formed of tubular braided strands, and a jacket covering a circumference of the braided shield. The braided strands includes a copper foil yarn, which includes a highly stretchable polyethylene terephthalate monofilament yarn having a tensile strength of not lower than 700 MPa and an elongation of not lower than 50 percent and not higher than 100 percent, and a copper strip wound helically at a pitch around a surface of the highly stretchable polyethylene terephthalate monofilament yarn. The copper foil yarn has an entire push and recover ratio of not lower than 80 percent.

Medical cable

A coaxial cable includes a center conductor, and an insulation formed surrounding the center conductor. The insulation includes an insulating tape that includes a mesh layer including a plurality of threads woven and a reinforcement layer attached to the mesh layer. The insulating tape is wound, with an overlap, around the center conductor such that the mesh layer is arranged as an outer peripheral surface.

Coaxial cable and medical cable using the same

A differential signal transmission cable includes: two signal conductors; an insulator for covering these signal conductors; and a shield tape wound around the insulator in longitudinal wrapping. In the differential signal transmission cable, both ends of the shield tape in a direction of the winding around the insulator have a first overlapping region and a second overlapping region which overlap each other, and the first overlapping region of the shield tape is covered with the second overlapping region. In a tangent line of two tangent lines of a first signal conductor which is orthogonal to a line passing through centers of the signal conductors, when the tangent line positioned at radially outside of the first signal conductor is set to be a first tangent line, an end of the first overlapping region is positioned at outside of the first tangent line.

Differential signal transmission cable and cable with connector

A differential signal transmission cable includes a pair of differential signal lines arranged in parallel to each other, an insulation for bundle-covering the pair of differential signal lines, and a shield conductor wound around an outer periphery of the insulation. The insulation is configured such that an outer circumference thereof in a cross section perpendicular to a longitudinal direction thereof has an oval shape formed with a continuous convex arc-curve. The outer circumference of the insulation includes a first curved portion with a pair of symmetrical elliptical arcs located at both ends in a first direction along the arrangement direction of the pair of differential signal lines and a second curved portion with a pair of symmetrical elliptical arcs located at both ends in a second direction orthogonal to the first direction.

Differential signal transmission cable

A dual band antenna providing a high forward gain includes a radiator, a director disposed in front of the radiator, and a reflector disposed behind the radiator. A dual resonance notch antenna including a conducting plate and a feeding portion is used as the radiator. The director includes a conducting plate and a short-circuiting portion and the reflector includes a conducting plate and a short-circuiting portion. Each conducting plate is disposed such that the direction of a normal to the conducting plate is a front-rear direction. Two slots having different lengths are formed in each conducting plate so as to be aligned with each other. The feeding portion is disposed in one of the slots. Each short-circuiting portion is disposed in one of the two slots at a position corresponding to the feeding portion.

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Hitachi, Japan

Haruyuki Watanabe