Hosiden Corporation

Fuji Xerox Co., Ltd.

Keio University

Hayato Kondo

Takayuki Nagata

Toshiharu Miyoshi

Kosuke Sasada

Masakazu Yamazaki

Daisuke Sasaki

Yutaka Masumoto

Tadahiro Kuroda

Hitoshi Ao

Akihito Shichida

Fumitake Tamaki

Akira Yamamoto

Junichi Arai

Akihiro Tanaka

Kenji Maeda

Yuta Iwamoto

Kenji Miki

Hiroie Yamaguchi

Shuhei Tsubota

Kotaro Yoneda

A connector including a body having an insulating property, at least one terminal, a circuit board fixed to the body, and at least one current sensor mounted on the circuit board. The or each terminal includes a distal portion, an externally connectable lead portion, and a body portion therebetween. The distal portion protrudes from the body to one side in the first direction or is exposed from the body. The body portion is at least partly held by the body, and includes a measurement target extending in first and second directions and being disposed inside the body. The circuit board is spaced from the measurement target or targets of the at least one terminal in a third direction. The or each current sensor is disposed near the or a corresponding measurement target and configured to perform a non-contact detection of a current flowing through the or a corresponding terminal.

Connector and connector assembly including at least one current sensor

A lens including a lens body and a support. The lens body includes at least one lens portion and at least one holding hole for holding at least one optical fiber. A central axis of the or each holding hole is positioned on a phantom line extending through an optical axis of the or a corresponding lens portion. The support includes a support body fixed to the lens body. With a first portion of the or each optical fiber securely received in the or a corresponding holding hole, a bottom face of the or each holding hole abuts an end face of the first portion of the or a corresponding optical fiber, a peripheral face of the or each holding hole partly abuts an outer peripheral face of the first portion of the or a corresponding optical fiber, and the support body supports a second portion of the or each optical fiber.

Lens, lens and optical fiber assembly, and optical communication system

A module and system are provided for reducing or suppressing ringing occurring in a digital signal to be transmitted. A transmission module Ma includes a transmitterconfigured to transmit a digital signal, a transmission antennaconstituted by a metal plate, or by a conductor formed on an insulator, the transmission antennabeing configured to be electromagnetically or magnetically coupled to a reception antennaof a non-contact reception module Mb for digital communication, and a resistorconnected in series between the transmitterand the transmission antenna. The resistorhas such a resistance value that the resistorentirely blunts a waveform of the digital signal outputted from the transmitterso as to reduce or suppress ringing occurring in the digital signal. The blunted digital signal is to be inputted into the transmission antenna

Transmission antenna module, non-contact transmission module, non-contact communication system provided therewith and non-contact communication method

A polycrystal having a physical property that enables an AC resistance value to drop sharply is used to reduce transmission loss of a high frequency signal being transmitted. A high frequency transmission device Dis provided that includes a dielectricand a transmission lineadapted for transmitting therethrough high frequency signals. At least part of the transmission lineis located on or inside the dielectric. At least part of the transmission lineis composed of a polycrystal composed of conductor fine particles. The polycrystal has a physical property such that, when a high frequency signal to be transmitted through the transmission lineis of frequencies within one or more specific frequency bands, the AC resistance value drops sharply.

High frequency transmission device and high frequency signal transmission method

The shield member includes a plurality of first elastic portions made of a conductive material and arranged annularly in a plate shape at an inner circumferential part of the shield member; a plurality of second elastic portions arranged annularly at an outer circumferential part of the shield member; and an intermediate portion between the plurality of first elastic portions and the plurality of second elastic portions. The plurality of first elastic portions are defined by a plurality of first slits each extending from an inner circumferential edge of the shield member in a radial direction of the shield member. The plurality of second elastic portions are defined by a plurality of second slits each extending from an outer circumferential edge of the shield member in the radial direction.

Shield member, shield unit, and connector module

The invention provides a shield shell that allows easy insertion of a circuit board or other insulator into the shield shell. A shield shellincludes a shell bodyand first and second position restrictorsand. The first position restrictoris provided at an edge portionof an insertion portof the shell bodyand is located inside the insertion port. The second position restrictoris provided in the shell bodyso as to oppose the first position restrictorwith a spacing in a Z-Z' direction. A distance in the Z-Z&#x2032; direction from the first position restrictorto the second position restrictoris substantially equal to, or slightly larger than, a distance in the Z-Z&#x2032; direction from a first faceto a second faceof a circuit board. When the circuit boardis inserted into the shell bodythrough the insertion port, the first position restrictorand the second position restrictorare abuttable on the first faceand the second face, respectively, of the circuit board

Shield shell, connector, mating connector, connection structure of connectors, and method for manufacturing connector

Electric connection terminal

Ringing occurring in a digital signal to be transmitted, is reduced or suppressed. A transmission module Ma includes a transmitterconfigured to transmit a digital signal, a transmission antennaconstituted by a metal plate, or by a conductor formed on an insulator. The transmission antennais configured to be electromagnetically or magnetically coupled to a reception antennaof a non-contact reception module Mb for digital communication. A resistoris connected in series between the transmitterand the transmission antenna. The resistorhas such a resistance value that the resistorentirely blunts a waveform of the digital signal outputted from the transmitterso as to reduce or suppress ringing occurring in the digital signal. The blunted digital signal can be inputted into the transmission antenna

A male connector includes a male body, a male communication antenna, and a first male circuit board. The male communication antenna is provided inside the male body and is configured to wirelessly communicate a signal. The first male circuit board is electrically connected to the male communication antenna. The invention also provides a female connector including a female body, a female communication antenna, and a first female circuit board. The female communication antenna is provided inside the female body and configured to wirelessly communicate a signal. The first female circuit board is electrically connected to the female communication antenna.

Male connector, female connector, and connection structure of male connector and female connector

A connector assembly including a case, a second connector, and a sealing member. The case is combinable with a circuit board on which a first connector is mounted. The case and the circuit board are adapted to define a space. The second connector passes through the case in a direction substantially perpendicular to the circuit board. The second connector is connectable to the first connector within the space and includes an accommodatable portion to be disposed within the space. The sealing member has a tuboid shape, extends in the direction, and includes first and second portions respectively on one and the other sides in the direction. The first portion fits around the accommodatable portion of the second connector. The second portion is positioned on the other side in the direction relative to the accommodatable portion of the second connector and adapted to abut the circuit board and cover the first connector.

Connector assembly, connection module, and method for manufacturing connection module

A connector including a shield case, a body housed in the shield case, at least one terminal held by the body, and a shield cover. The shield case includes a tube extending in a first direction and a pair of walls. The walls are located on one side in the first direction relative to the tube, face each other in a second direction orthogonal to the first direction, and extend to one side in a third direction. The third direction crosses the first and second directions. The body includes a first portion in the tube, and a second portion. The first portion includes a basal portion, which includes an exposed portion exposed to one side in the third direction between the walls. The second portion extends between the walls from the basal portion. The shield cover includes a cover portion disposed between the walls to cover at least part of the exposed portion.

Connector including shield case, body, and cover portion for improved electromagnetic compatibility

A multilayer printed wiring board including insulating layers, ground layers thereon, and at least one via hole. The ground layers include a wiring layer and a first impedance adjustment layer. The wiring layer includes a solid conductor and a conductive line. The conductive line is disposed inside an opening and a passage of the solid conductor. The first impedance adjustment layer includes a solid conductor having an opening. The via hole is located inside the openings of the wiring layer and the first impedance adjustment layer and is connected to the conductive line. A first distance is smaller than a second distance, where the first distance is a distance from an outline of the opening of the wiring layer to the via hole, and the second distance is a distance from an outline of the opening of the first impedance adjustment layer to the via hole.

Multilayer printed wiring board, and connection structure of multilayer printed wiring board and connector

A connector including a shell, an inner body inside the shell, a terminal held by the inner body and disposed inside the shell, a ground terminal, and an outer body. The outer body includes a generally tubular first portion extending in a first direction, a second portion, and an accommodation space in the first and second portions securely accommodating the shell. The second portion is larger than the first portion in outer cross-sectional dimensions and/or wall thickness in the second direction orthogonal to the first direction. The second portion has a hole extending from an outer face of the second portion to the accommodation space. The ground terminal is in contact with, or contiguous with, the shell and is disposed in the hole of the outer body. The ground terminal includes a portion exposed from the outer body or partly located outside the outer body.

Connector and connection structure of connector and metal casing

A male connector includes a male body, a male communication antenna, and a first male circuit hoard. The male communication antenna is provided inside the male body and is configured to wirelessly communicate a signal. The first male circuit board is electrically connected to the male communication antenna. The invention also provide a female connector including female body, as female communication antenna, and a first female circuit board. The female communication antenna is provided inside the female body and configured to wirelessly communicate a signal. The first female circuit board is electrically connected to the female communication antenna.

[Problem] Objects of the invention are to provide a cable assembly with reduced characteristic impedance at a protruding end portion of a first wire of a cable and configured for easy manufacture, and to provide a method for manufacturing the cable assembly. [Configuration] A cable assembly Aincludes a terminal, a cable, and an electroconductive member. The cableincludes an outer insulator, a shield conductorinside the outer insulator, and at least one first wirebeing a signal wire inside the shield conductor. The first wireincludes a protruding portion Pa protruding in the Y-Y' direction from the shield conductorand the outer insulator. The electroconductive memberis an electroconductive plate or electroconductive tape wound around at least a part in the Y-Y&#x2032; direction of the protruding portion Pa.

Growing community of inventors

Yao, Japan

Hayato Kondo