The Furukawa Electric Co., Ltd.

Furukawa Automotive Systems Inc.

Fujitsu Corporation

Yoshikazu Kamei

Takashi Oshino

Naoyuki Kojima

Hideyuki Ikeda

Takahiro Ueno

Koichi Maeno

Hiroki Hamada

Toshiaki Amano

Yutaka Higashiguchi

Masayuki Ishiwa

Mitsuo Inagaki

Hajime Mochizuki

Hiroshi Suyama

Noriyuki Kohma

Takanori Washiro

Satoshi Takamura

Isao Tomomatsu

Masato Sakata

Masayuki Nakamura

Shinji Satoh

Takeyasu Maeda

Kouroh Mekata

Hidenori Tanizawa

Shuji Yokozeki

Mituo Yoshino

An electric wire outer cover is provided which is to be fitted around an electric wire and which has a tubular housing portion where the electric wire is to be housed, the housing portion being formed of a sheet, the housing portion being formed in a folded state. Further, walls forming the housing portion include a first wall having a projection formed therefrom and a second wall having a hole formed therein, and the housing portion is formed by engagement between the first wall and the second wall through melting of the projection that has passed through the hole and welding of the melted projection to the second wall.

Electric wire outer cover and covered wire harness

An outer cover body for electrical wires, which is formed by bending a resin sheet and to be attached to an outer periphery of an electrical wire, includes a plurality of wall parts extending along an extending direction of the electrical wire and forming an accommodating part for accommodating the electrical wire. At least one of the plurality of wall parts includes a wall surface overlapping part having an outer side wall surface having a first notch, and an inner side wall surface overlapping the outer side wall surface and having a second notch. A branch line through-hole is formed by overlapping the first notch and the second notch.

Outer cover body for electrical wires and outer-cover-body-attached wire harness

A wire exterior body and an exterior-covered wire harness, capable of reducing vibration noise generated by vibration of the exterior body attached to a vehicle or the like and the wire harness in the exterior body, caused by vibration of the vehicle or the like, are provided. A wire exterior body to be attached to an outer periphery of a wire, formed by bending a resin sheet, includes a plurality of wall parts extending along the extending direction of the wire and forming an accommodating part for accommodating the wire. At least one of the plurality of wall parts has a protruding part protruding from the at least one wall part.

Wire exterior body and exterior-covered wire harness

A wire exterior body and an exterior-covered wire harness, capable of preventing damage to thereby suppress deterioration in the protective function for electric wires, are provided. A wire exterior body () formed of a resin sheet, to be mounted on the outer periphery of the wire harness (), includes bending portions () to () at which the resin sheet is bent, and a plurality of wall parts () formed of the resin sheet bent at the bending portions () to (). The wall parts () extend along the extending direction of the electric wires and form an accommodating part () that accommodates the electric wires. Grooves () to () are formed in the bending portions () to () at positions separated by predetermined spaces (S) and (S) from end portions () and (), in the extending direction of the electric wires, of the wall parts ().

Providing an outer cover body for electrical wires that can improve the degree of freedom of design while preventing anisotropy in mechanical properties and also make it possible to form even a compact outer cover body for electrical wires. An outer cover body for electrical wires that is to be attached to the outer periphery of an electrical wire, the outer cover body for electrical wires being formed of a bent thermoplastic resin foam sheet having a density of not less than 200 Kg/mand not more than 700 Kg/m.

A wire exterior body and an exterior-covered wire harness in which damage by an attaching member is prevented are provided. A wire exterior body () to be mounted on the outer periphery of an electric wire (wire harness) (), the wire exterior body being formed of a resin sheet that is bent, includes a plurality of wall parts () extending along an extending direction of the electric wire and forming an accommodating part () that accommodates the electric wire. Among the plurality of the wall parts (), at least one wall part (upper lid wall part ()) has a through-hole (), penetrating in a thickness direction of the resin sheet, into which an attaching member () attachable to a vehicle body is inserted, and a groove (a lower surface groove () or an upper surface groove ()) in which a thickness of the resin sheet is reduced is formed on a part around the through-hole () on at least one surface of an upper surface () and a lower surface () facing the thickness direction.

A small antenna comprises an antenna conductor, and a dielectric chip formed at surroundings of the antenna conductor by a plurality of resin moldings.

Small antenna and manufacturing method thereof

A small antenna comprises a planar antenna element, and a resin molded body integrally molded with the antenna element, and the resin molded body has a thin part and a thick part on both sides of the antenna element, and a gate portion at a resin molding is provided to the thin part.

A compact antenna comprises a core which is a hard linear member having a predetermined shape corresponding to resonance characteristic, a conductor film which covers at least a portion of an outer surface of the core and which has higher electric conductivity than that of the core, and a substrate which closely surrounds and holds the outer surface of the core covered with the connection film. A film thickness of the conductor film is equal to a skin depth and thus, it is possible to inexpensively maintain reliability, and to prevent radiation efficiency from being lowered.

Compact antenna and producing method thereof

An antenna device (A,) for a portable telephone includes a whip antenna (,) having a larger-diameter portion (,) formed near its upper end by means of forming. The guide ring (,) consisting essentially of a synthetic resin fits on the whip antenna (,), such that the guide ring (,) abuts against the larger-diameter portion (,) to rest at a position below the larger-diameter portion. The whip antenna (,) and the guide ring (,) are coated with a coating layer (,) consisting essentially of a synthetic resin. The coating layer (,) has a main portion (,) coating the whip antenna (,) below the guide ring (,), and a joint portion (,) coating the guide ring (,) and the larger-diameter portion (,). A helical antenna (,) is arranged such that it is electrically connected to a metal terminal (,) and is mechanically connected to the whip antenna (,) through the joint portion (,) and the metal terminal (,). The helical antenna (,) is coated with a block (,) consisting essentially of a synthetic resin.

Method of manufacturing an antenna device for portable telephone

An antenna module suitable for a reduction in size and weight of equipment and improved in manufacturability. The antenna module includes a ground element formed from a planar conductor, an antenna element formed from a planar conductor and arranged in parallel to the ground element, and a loop element formed from a tubular conductor and arranged between the ground element and the antenna element in predetermined positional relationship with both elements so as to be connected with the antenna element. The loop element has a first hollow portion passing therethrough in a given direction. The antenna module further includes an element support formed from an insulator and arranged so as to fill a space between the ground element and the antenna element and substantially fully cover an outer surface of the loop element. The element support is formed with a second hollow portion passing therethrough in the same direction as that of the first hollow portion of the loop element.

Antenna module for incorporation in wireless terminal equipment such as

A manufacturing method for plural antenna modules which is suitable for mass production. Each antenna module includes a ground element, an antenna element, a loop element, and an element support. The manufacturing method for the antenna modules includes a first step of setting in a mold a first conductive base material including a plurality of the ground elements integrally connected together, a second conductive base material including a plurality of the antenna elements integrally connected together, and a third conductive base material including a plurality of the loop elements integrally connected together; a second step of filling a cavity defined in the mold with a curing fluid and then curing the curing fluid to thereby form an element support base material including a plurality of the element supports integrally connected together; and a third step of cutting the element support base material together with the first, second and third conductive base materials to thereby obtain a plurality of the antenna modules.

Growing community of inventors

Tokyo, Japan

Yoshikazu Kamei