IP Library Granted Patent US 7,179,115
Granted Patent B2
US 7,179,115 · App. 10/831,325 · Granted Feb 20, 2007

Alien next compensation for adjacently placed connectors

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,179,115
App. No.
10/831,325
Granted
Feb 20, 2007
Kind
B2
Abstract

A connector is provided for compensating crosstalk with respect to an adjacently placed connector. Each of the connectors includes a printed circuit board (PCB), a plurality of pairs of contacts on the PCB, a plurality of pads disposed at edge portions of the PCB for compensating crosstalk, and a plurality of connecting parts for connecting electrically the pads to the pairs of contacts.

Claims (98)

1. A first connector having compensation features to compensate for crosstalk between at least one contact of said first connector and at least one contact of an adjacent second connector, said first connector comprising:

a support;

a plurality of pairs of contacts on said support; and

a first compensating conductive element electrically connected to a first contact of said plurality of pairs of contacts, wherein said first compensating conductive element of said first connector is configured to induce compensating crosstalk with a first cooperating conductive element of the adjacent second connector.

2. The first connector of claim 1 , wherein the first connector automatically adjusts an amount of the compensating crosstalk provided according to an amount of alien crosstalk present.

3. The first connector of claim 2 , wherein the amount of alien crosstalk present comprises the amount of alien crosstalk induced on said first contact by a first contact on the second connector.

4. The first connector of claim 3 , wherein the first contact on the second connector and a second contact on the second connector comprise a tip and ring pair of contacts, and wherein the first cooperating conductive element of the second connector is electrically connected to the second contact of the second connector.

5. The first connector of claim 1 , wherein the first compensating conductive element is an array of pads composed of multiple metalized layers stacked above each other and electrically connected to each other.

6. The first connector of claim 5 , wherein said multiple metalized layers are electrically connected to each other by plated through holes.

7. The first connector of claim 1 , wherein the first compensating conductive element is a single pad.

8. The first connector of claim 1 , further comprising:

a second compensating conductive element electrically connected to a second contact of said plurality of pairs of contacts, wherein said second compensating conductive element is configured to induce compensating crosstalk with a second cooperating conductive element of the adjacent second connector, wherein the first and second compensating conductive elements are placed side-by-side, adjacent to each other, horizontally, relative to a plane of the support.

9. The first connector of claim 1 , further comprising:

a second compensating conductive element electrically connected to a second contact of said plurality of contacts, wherein said second compensating conductive element is configured to induce compensating crosstalk with a second cooperating conductive element of the adjacent second connector, wherein the first and second compensating conductive elements are placed side-by-side, adjacent to each other, vertically, relative to a plane of the support.

10. The first connector of claim 1 , wherein the pairs of contacts are pairs of insulation displacement contacts (IDCs), and wherein each pair of contacts includes a tip contact and a ring contact.

11. The first connector of claim 1 , further comprising:

second, third and fourth compensating conductive elements electrically connected to second, third and fourth contacts of said plurality of pairs of contacts, respectively, wherein said second, third and fourth compensating conductive elements are configured to induce compensating crosstalk with second, third and fourth cooperating conductive elements of the adjacent second connector, respectively, wherein said first and second compensating conductive elements are disposed adjacent a first edge portion of said support and wherein said third and fourth compensating conductive elements are disposed adjacent a second edge portion of said support, said first and second compensating conductive elements being spaced further from a first corner of said support than said third and fourth compensating conductive elements are spaced from a second corner of said support.

12. The first connector of claim 1 , wherein said first connector is an unshielded twisted pair (UTP) connector.

13. A connector comprising:

a printed circuit board (PCB);

a plurality of pairs of contacts on the PCB;

a plurality of conductive elements disposed at edge portions of the PCB, for compensating alien crosstalk; and

a plurality of connecting parts that electrically connect at least some of the conductive elements to respective ones of the contacts in the plurality of pairs of contacts, wherein each pair of contacts includes a first contact designated as tip and a second contact designated as ring, wherein the conductive elements include first through fourth conductive elements and the pairs of contacts include first through fourth pairs of contacts, and

wherein the connecting parts include:

a first connecting part that electrically connects the first conductive element to the tip of the fourth pair of contacts, and

a second connecting part that electrically connects the second conductive element to the ring of the fourth pair of contacts.

14. The connector of claim 13 , wherein the connecting parts further include:

a third connecting part that electrically connects the third conductive element to the tip of the third pair of contacts, and

a fourth connecting part that electrically connects the fourth conductive element to the ring of the third pair of contacts.

15. A connector comprising:

a printed circuit board (PCB);

a plurality of pairs of contacts on the PCB; and

compensation means for compensating alien crosstalk, the compensation means automatically adjusting an amount of alien crosstalk compensation provided according to an amount of alien crosstalk present, wherein the compensation means includes:

a plurality of conductive elements disposed at edge portions of the PCB, and

a plurality of connecting parts for connecting electrically the conductive elements to the pairs of contacts; and

wherein the pairs of contacts are pairs of insulation displacement contacts (IDCs), each pair including a first contact designated as tip and a second contact designated as ring, and wherein the conductive elements include first through fourth conductive elements and the pairs of contacts include first through fourth pairs of contacts, and

wherein the connecting parts include:

a first connecting part for electrically connecting the first conductive element to the tip of the first pair of contacts, and

a second connecting part for electrically connecting the second conductive element to the ring of the first pair of contacts.

16. The connector of claim 15 , wherein the compensation means compensates alien crosstalk between the pairs of contacts of the connector and non-corresponding pairs of contacts of an adjacently placed connector.

17. The connector of claim 15 , wherein each of the conductive elements is an array of pads composed of multiple metalized layers stacked above each other and electrically connected to each other, or is a single pad.

18. The connector of claim 15 , wherein at each of the edge portions, the conductive elements are placed side-by-side, adjacent to each other, horizontally, relative to the plane of the PCB.

19. The connector of claim 15 , wherein at each of the edge portions, the conductive elements are placed side-by-side, adjacent to each other, vertically, relative to the plane of the PCB.

20. The connector of claim 15 , wherein the connecting parts further include:

a third connecting part for electrically connecting the third conductive element to the tip of the second pair of contacts, and

a fourth connecting part for electrically connecting the fourth conductive element to the ring of the second pair of contacts.

21. The connector of claim 15 , wherein the first and second conductive elements are arranged at a first edge portion of the connector, and the third and fourth conductive elements are arranged at a second edge portion of the connector, the first and second conductive elements being spaced further from a first corner of the PCB than the third and fourth conductive elements are spaced from a second corner of the PCB.

22. A connector for compensating alien crosstalk with respect to an adjacently placed connector, the connector comprising:

a printed circuit board (PCB);

a plurality of pairs of contacts on the PCB;

a plurality of conductive elements disposed at edge portions of the PCB so as to create compensating capacitance with respect to the adjacently placed connector; and

a plurality of connecting parts that electrically connect the conductive elements to respective ones of the contacts in the plurality of pairs of contacts, wherein each of the conductive elements is an array of pads composed of multiple metalized layers stacked above each other and electrically connected to each other, or is a single pad.

23. A first connector having features to compensate for alien crosstalk occurring with an adjacently placed second connector, said first connector comprising:

a support;

a plurality of contacts connected to said support including a first contact and a second contact;

a first compensating conductive element electrically connected to said first contact, wherein said first compensating conductive element is configured to induce compensating crosstalk with a first cooperating conductive element of the second connector; and

a second compensating conductive element electrically connected to said second contact, wherein said second compensating conductive element is configured to induce compensating crosstalk with a second cooperating conductive element of the second connector.

24. The first connector of claim 23 , wherein said first and second contacts are disposed proximate a first edge of said support, said first and second compensating conductive elements are disposed proximate said first edge of said support, and said first connector further comprising:

a third contact and a fourth contact of said plurality of contacts being disposed proximate said first edge of said support;

a third compensating conductive element being disposed proximate a second edge of said support and being electrically connected to said third contact; and

a fourth compensating conductive element being disposed proximate said second edge and being electrically connected to said fourth contact.

25. The first connector of claim 24 , wherein said second edge of said support is opposite said first edge of said support.

26. The first connector of claim 23 , wherein said first and second contacts are disposed proximate a first edge of said support, said first and second compensating conductive elements are disposed proximate said first edge of said support, and said first connector further comprising:

a third contact and a fourth contact of said plurality of contacts being disposed proximate a second edge of said support,

a third compensating conductive element being disposed proximate said second edge of said support and being electrically connected to said third contact; and

a fourth compensating conductive element being disposed proximate said second edge and being electrically connected to said fourth contact.

27. The first connector of claim 26 , wherein said second edge of said support is opposite said first edge of said support.

28. The first connector of claim 23 , wherein said support is a printed circuit board.

29. The first connector of claim 28 , wherein said plurality of contacts are insulation displacement contacts mounted to said printed circuit board.

30. The first connector of claim 28 , further comprising:

a plurality of spring wire contacts connected to said printed circuit board, each spring wire contact being electrically connected to one of said plurality of contacts, respectively.

31. The first connector of claim 23 , wherein said first connector is an unshielded twisted pair (UTP) connector.

32. The first connector of claim 23 , wherein said first compensating conductive element includes at least one metallized layer formed on or in said support, and said second compensating conductive element includes at least one metallized layer formed on or in said support.

33. The first connector of claim 23 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed on surfaces of said printed circuit board.

34. The first connector of claim 23 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed within layers of said printed circuit board.

35. The first connector of claim 23 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed on surfaces of said printed circuit board and within layers of said printed circuit board.

36. The first connector of claim 23 , wherein said first and second contacts are disposed proximate a first edge of said support and said first and second compensating conductive elements are disposed proximate a second edge of said support.

37. The first connector of claim 36 , wherein said second edge of said support is opposite to said first edge of said support.

38. The first connector of claim 36 , wherein said support is a printed circuit board.

39. The first connector of claim 38 , wherein said plurality of contacts are insulation displacement contacts mounted to said printed circuit board.

40. The first connector of claim 38 , further comprising:

a plurality of spring wire contacts connected to said printed circuit board, each spring wire contact being electrically connected to one of said plurality of contacts, respectively.

41. The first connector of claim 36 , wherein said connector is an unshielded twisted pair (UTP) connector.

42. The first connector of claim 36 , wherein said first compensating conductive element includes at least one metallized layer formed on or in said support, and said second compensating conductive element includes at least one metallized layer formed on or in said support.

43. The first connector of claim 36 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed on surfaces of said printed circuit board.

44. The first connector of claim 36 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed within layers of said printed circuit board.

45. The first connector of claim 36 , wherein said support is a printed circuit board, and said first compensating conductive element is composed of electrically connected metallized layers formed on surfaces of said printed circuit board and within layers of said printed circuit board.

46. A first connector that is configured to be mounted adjacent a second connector that includes a first tip and ring pair of contacts, the first connector comprising:

a first contact that receives a first amount of alien crosstalk from a first contact of the tip and ring pair of contacts of the second connector;

a first conductive element;

a first connecting part electrically connecting the first conductive element to the first contact of the first connector;

wherein the first conductive element receives a first amount of compensating crosstalk from a cooperating element coupled to a second contact of the tip and ring pair of contacts of the second connector, the first amount of compensating crosstalk approximately canceling the first amount of alien crosstalk.

47. The first connector of claim 46 , further comprising:

a second contact that receives a second amount of alien crosstalk from the second contact of the tip and ring pair of contacts of the second connector;

a second conductive element; and

a second connecting part electrically connecting the second conductive element to the second contact of the first connector;

wherein the first contact and the second contact of the first connector together form a tip and ring pair;

wherein the second conductive element receives a second amount of compensating crosstalk from a second cooperating element coupled to the first contact of the tip and ring pair of contacts of the second connector, the second amount of compensating crosstalk approximately canceling the second amount of alien crosstalk.

Assignments (16)
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AT REEL/FRAME NO. 49678/0577 Recorded Jan 9, 2026
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: COMMSCOPE NORTH CAROLINA, LLC (F/K/A COMMSCOPE, INC. OF NORTH CAROLINA)
Reel/Frame 074473/0264 →
RELEASE OF SECURITY INTEREST AT REEL/FRAME 049905/0504 Recorded Dec 19, 2024
From: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
To: ARRIS ENTERPRISES LLC (F/K/A ARRIS ENTERPRISES, INC.); ARRIS TECHNOLOGY, INC.; ARRIS SOLUTIONS, INC.; COMMSCOPE, INC. OF NORTH CAROLINA; COMMSCOPE TECHNOLOGIES LLC; RUCKUS WIRELESS, LLC (F/K/A RUCKUS WIRELESS, INC.)
Reel/Frame 071477/0255 →
SECURITY INTEREST Recorded Nov 19, 2021
From: ARRIS SOLUTIONS, INC.; ARRIS ENTERPRISES LLC; COMMSCOPE TECHNOLOGIES LLC; COMMSCOPE, INC. OF NORTH CAROLINA; RUCKUS WIRELESS, INC.
To: WILMINGTON TRUST
Reel/Frame 060752/0001 →
PATENT SECURITY AGREEMENT Recorded Jul 3, 2019
From: COMMSCOPE, INC. OF NORTH CAROLINA
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 049678/0577 →
ABL SECURITY AGREEMENT Recorded Jul 3, 2019
From: COMMSCOPE, INC. OF NORTH CAROLINA; COMMSCOPE TECHNOLOGIES LLC; ARRIS ENTERPRISES LLC; ARRIS TECHNOLOGY, INC.; RUCKUS WIRELESS, INC.; ARRIS SOLUTIONS, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 049892/0396 →
TERM LOAN SECURITY AGREEMENT Recorded Jul 3, 2019
From: COMMSCOPE, INC. OF NORTH CAROLINA; COMMSCOPE TECHNOLOGIES LLC; ARRIS ENTERPRISES LLC; ARRIS TECHNOLOGY, INC.; RUCKUS WIRELESS, INC.; ARRIS SOLUTIONS, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 049905/0504 →
RELEASE OF SECURITY INTEREST Recorded Apr 9, 2019
From: JPMORGAN CHASE BANK, N.A.
To: REDWOOD SYSTEMS, INC.; ALLEN TELECOM LLC; ANDREW LLC; COMMSCOPE, INC. OF NORTH CAROLINA; COMMSCOPE TECHNOLOGIES LLC
Reel/Frame 048840/0001 →
RELEASE OF SECURITY INTEREST Recorded Apr 9, 2019
From: JPMORGAN CHASE BANK, N.A.
To: REDWOOD SYSTEMS, INC.; ALLEN TELECOM LLC; ANDREW LLC; COMMSCOPE, INC. OF NORTH CAROLINA; COMMSCOPE TECHNOLOGIES LLC
Reel/Frame 049260/0001 →
RELEASE OF SECURITY INTEREST PATENTS (RELEASES RF 036201/0283) Recorded Mar 31, 2017
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ALLEN TELECOM LLC; COMMSCOPE TECHNOLOGIES LLC; COMMSCOPE, INC. OF NORTH CAROLINA; REDWOOD SYSTEMS, INC.
Reel/Frame 042126/0434 →
SECURITY INTEREST Recorded Jul 28, 2015
From: ALLEN TELECOM LLC; COMMSCOPE TECHNOLOGIES LLC; COMMSCOPE, INC. OF NORTH CAROLINA; REDWOOD SYSTEMS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 036201/0283 →
SECURITY AGREEMENT Recorded May 4, 2011
From: ALLEN TELECOM LLC, A DELAWARE LLC; ANDREW LLC, A DELAWARE LLC; COMMSCOPE, INC OF NORTH CAROLINA, A NORTH CAROLINA CORPORATION
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 026272/0543 →
SECURITY AGREEMENT Recorded May 3, 2011
From: ALLEN TELECOM LLC, A DELAWARE LLC; ANDREW LLC, A DELAWARE LLC; COMMSCOPE, INC. OF NORTH CAROLINA, A NORTH CAROLINA CORPORATION
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 026276/0363 →
PATENT RELEASE Recorded Feb 3, 2011
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: COMMSCOPE, INC. OF NORTH CAROLINA; ALLEN TELECOM LLC; ANDREW LLC (F/K/A ANDREW CORPORATION)
Reel/Frame 026039/0005 →
SECURITY AGREEMENT Recorded Jan 9, 2008
From: COMMSCOPE, INC. OF NORTH CAROLINA; ALLEN TELECOM, LLC; ANDREW CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 020362/0241 →
MERGER Recorded Oct 21, 2007
From: COMMSCOPE SOLUTIONS PROPERTIES, LLC
To: COMMSCOPE, INC. OF NORTH CAROLINA
Reel/Frame 019991/0643 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 26, 2004
From: HASHIM, AMID
To: COMMSCOPE SOLUTIONS PROPERTIES, LLC.
Reel/Frame 015265/0242 →