US 7,320,624 B2
Communications jacks with compensation for differential to differential and differential to common mode crosstalk
Amid Hashim, Plano, Tex. (US); and Robert Ray Goodrich, Indianapolis, Ind. (US)
Assigned to CommScope, Inc. of North Carolina, Hickory, N.C. (US)
Filed on Mar. 20, 2007, as Appl. No. 11/688,458.
Application 11/688458 is a continuation in part of application No. 11/088044, filed on Mar. 23, 2005, granted, now 7,204,722.
Claims priority of provisional application 60/636595, filed on Dec. 16, 2004.
Prior Publication US 2007/0178772 A1, Aug. 02, 2007
Int. Cl. H01R 24/00 (2006.01)
U.S. Cl. 439—676  [439/344; 439/941] 20 Claims
OG exemplary drawing
 
1. A communications jack, comprising:
a housing having a plug aperture;
a wiring board;
a first contact wire and a second contact wire that form a first differential pair of contact wires, the first and second contact wires each having a fixed end portion that is mounted in the wiring board and a deflectable portion that is at least partially positioned in the plug aperture; and
a third contact wire and a fourth contact wire that form a second differential pair of contact wires, the third and fourth contact wires each having a fixed end portion that is mounted in the wiring board and a deflectable portion that is at least partially positioned in the plug aperture;
wherein at least a portion of the first differential pair of contact wires is sandwiched in between the contact wires of the second differential pair of contact wires,
wherein the fourth contact wire crosses under the deflectable portion of the first contact wire and the deflectable portion of the second contact wire;
wherein the fourth contact wire further crosses under the deflectable portion of the third contact wire and wherein the third contact wire further crosses over the deflectable portion of the fourth contact wire.