Method for reducing crosstalk in electrical connectors

• US 9,722,370 B2
• Filed: 07/27/2016
• Issued: 08/01/2017
• Est. Priority Date: 03/12/2004
• Status: Active Grant

• Current Assignee: Panduit Corporation
• Original Assignee: Panduit Corporation
• Inventors: Lesniak, Scott M., Caveney, Jack E., Bolouri-Saransar, Masud
• Primary Examiner(s): NASRI, JAVAID H
• Application Number:
  US15/220,789
• Publication Number:
  US 20160336700A1
• Time in Patent Office: 370 Days
• Field of Search: 439676, 439 761, 439404, 439405, 439 77, 439941
• CPC Class Codes: H01R 12/592 connections to contact elements
• CPC Class Codes: H01R 12/62 connecting to rigid printed circuits or like structures
• CPC Class Codes: H01R 12/675 with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables
• CPC Class Codes: H01R 12/775 Ground or shield arrangements
• CPC Class Codes: H01R 13/46 Bases; Cases
• CPC Class Codes: H01R 13/502 composed of different pieces H01R13/514 takes precedence
• CPC Class Codes: H01R 13/6461 Means for preventing cross-talk
• CPC Class Codes: H01R 13/6466 on substrates, e.g. printed circuit boards [PCB]
• CPC Class Codes: H01R 13/6467 by cross-over of signal conductors
• CPC Class Codes: H01R 13/6658 on printed circuit board H01R13/6666 - H01R13/6691 take precedence
• CPC Class Codes: H01R 13/719 specially adapted for high frequency, e.g. with filters
• CPC Class Codes: H01R 2107/00 Four or more poles
• CPC Class Codes: H01R 2201/04 for network, e.g. LAN connectors
• CPC Class Codes: H01R 24/62 Sliding engagements with one side only, e.g. modular jack coupling devices
• CPC Class Codes: H01R 24/64 for high frequency, e.g. RJ 45
• CPC Class Codes: H01R 4/2429 mounted in an insulating base
• CPC Class Codes: H01R 4/2433 one part of the base being movable to push the cable into the slot
• CPC Class Codes: H05K 1/0228 Compensation of cross-talk by a mutually correlated lay-out of printed circuit traces, e.g. for compensation of cross-talk in mounted connectors balanced signal pairs H05K1/0245
• CPC Class Codes: H05K 1/028 Bending or folding regions of flexible printed circuits H05K1/0283 takes precedence
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence
• CPC Class Codes: H05K 2201/09245 : Crossing layout alternating conductors H05K2201/097
• CPC Class Codes: H05K 2201/10189 : Non-printed connector
• CPC Class Codes: Y10S 439/941 : Crosstalk suppression
• CPC Class Codes: Y10T 29/49121 : Beam lead frame or beam lead device
• CPC Class Codes: Y10T 29/49128 : Assembling formed circuit to base
• CPC Class Codes: Y10T 29/49147 : Assembling terminal to base
• CPC Class Codes: Y10T 29/49174 : Assembling terminal to elongated conductor
• CPC Class Codes: Y10T 29/49222 : forming array of contacts or terminals

Abstract

An apparatus and method for crosstalk compensation in a jack of a modular communications connector includes a flexible printed circuit board connected to jack contacts and to connections to a network cable. The flexible printed circuit board includes conductive traces arranged as one or more couplings to provide crosstalk compensation.

Claims

1. A communication jack configured to receive a plug to form a communication connection, comprising:

a plurality of jack contacts, the plurality of jack contacts at least partially disposed within a plug receiving cavity in the jack, wherein each contact has at least a first surface and a second surface, wherein, the first surface is an upper surface and the second surface is a lower surface, wherein, upon the plug being received by the jack, a plurality of plug contacts interface with the first surface only of the plurality of jack contacts; and

a flexible printed circuit at least partially contained within the plug receiving cavity and electrically and mechanically connected to at least one pair of the plurality of jack contacts approximate to the interface of the plug contacts and the plurality of jack contacts, and

wherein the flexible printed circuit is electrically and mechanically connected to the at least one pair of the plurality of jack contacts at the second surface only of the jack contacts.

2. The communication jack of claim 1 wherein the flexible printed circuit is connected to the at least one pair of the plurality of jack contacts via flexible members of the flexible printed circuit.