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757results about "Coupling for high frequency" patented technology

High data rate interconnecting device

InactiveUS7315224B2Minimize impedance mismatchConsiderable immunity to external interferenceCoupling for high frequencyPrinted circuit detailsData signalEngineering
An interconnect apparatus for providing a communication path for data signals in a predetermined frequency band, that includes a first and a second sections of a transmission line, connected at one end to first and second data transceiving devices, respectively. A switch, such as a mechanical, electro-mechanical, electronic, electro-magnetic and electro-optical switch, having conductive / non-conductive states, is provided for connecting / disconnecting between the other ends of the first and the second sections, for providing a data communication path between the data transceiving devices while being in its conductive state a third and a fourth sections of a transmission line, each of which connected at one end to a contact of the switch and at the other end to a first and a second connector, respectively. A compensation circuitry is provided for compensating, within the frequency band, parasitic effects caused by the switch and / or cord, while the switch is in its conductive state or, while the switch is in its non-conductive state and while a connection between the first and the second connectors is provided by a cord having predetermined characteristics, such that the compensation circuitry compensates the influence of parasitic effects introduced along the communication path by the switch while being in its non-conductive state and while the cord is a part of the communication path or, by the combination of the third and a fourth sections and the connectors while the switch is in its conductive state.
Owner:RIT TECHNOLOGIES

High speed, high density electrical connector

An electrical connector with electrically lossy materials bridging ground members. The lossy conductive members may be formed by filling a settable binder with conductive particles, allowing the partially conductive members to be formed through an insert molding process. Connectors assembled from wafers that contain signal conductors held within an insulative housing may incorporate lossy conductive members by having filled thermal plastic molded onto the insulatative housing. The lossy conductive members may be used in conjunction with magnetically lossy materials. The lossy conductive members reduce ground system do resonance within the connector, thereby increasing the high frequency performance of the connector.
Owner:AMPHENOL CORP

Signal transmission cable with connector

InactiveUS20050133245A1Sufficient common mode current suppression effectAppearance without damageElectrically conductive connectionsCoupling for high frequencyMagnetic coreMagnetic powder
Provided is a signal transmission cable with a connector, including: a shielded cable having a shielding layer and an insulating coating layer, which cover a periphery of a plurality of insulated wires, and a magnetic powder compound layer interposed between the shielding layer and the insulating coating layer; a connector which is electrically and mechanically connected to at least one end of the shielded cable, and which has a shielding metal cover extending from a housing part to a cable end, the housing part holding terminals to be connected to the insulated wires; and a closed magnetic path core which is fitted on a separated part of the insulating coating layer at the end of the shielded cable. The shielding layer is folded back so as to cover outside of the closed magnetic path core, an insulating tape is wound around the shielding layer in a peripheral portion of the closed magnetic path core, and a tip portion of the shielding layer is connected to the shielding metal cover in a state where the closed magnetic path core is housed in the shielding metal cover. Thus, a coil of one turn is formed.
Owner:FDK CORP

Communications connector with crimped contacts

A communications connector with a flexible printed circuit board is provided. The flexible printed circuit board is electronically and mechanically connected to the plug interface contacts of the jack near the plug / jack interface, in order to provide effective crosstalk compensation. The flexible printed circuit board has fingers at one end allowing it to flex as individual plug interface contacts are depressed when a plug is installed into the jack. The flexible printed circuit board, or a flexible portion of a printed circuit board, is provided with elongated extensions for certain conductors to accommodate the connection of six-contact or eight-contact plugs to the connector.
Owner:PANDUIT

Connector

The present invention relates to a connector which includes a plug unit and a receptacle. The plug unit includes a housing board and a transmission path board. The housing board has a housing board body and first connection terminals and second connection terminals. The transmission path board has a transmission path board body, plural differential signal patterns which are connected to the first connection terminals and the second connection terminals of the housing board, and high pass filters which are connected to each of the differential signal patterns. The receptacle has a receptacle body and pin contacts. According to the present invention, a low-frequency component of a digital signal is attenuated. Thus, since an attenuation factor of the high-frequency component and an attenuation factor of the low-frequency component of the digital signal can be set substantially the same, the digital signal can be transmitted surely.
Owner:JST MFG CO LTD

Connector with crosstalk compensation

A jack with a flexible printed circuit board (FPC) is provided. The FPC is connected to the plug interface contacts and has a compensation circuit to compensate for near-end crosstalk (NEXT) and far-end crosstalk (FEXT). Capacitive and inductive compensation in the compensation circuit are of opposite polarity and are substantially equal in magnitude. The compensation circuit has a FEXT compensation zone containing compensation for the FEXT. Inductive and capacitive compensation in the FEXT compensation zone are distributed.
Owner:PANDUIT
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