Filter assembly

• US 6,954,346 B2
• Filed: 07/21/2004
• Issued: 10/11/2005
• Est. Priority Date: 04/08/1997
• Status: Expired due to Fees

• Current Assignee: X2Y Attenuators, LLC
• Original Assignee: X2Y Attenuators, LLC
• Inventors: Anthony, Anthony
• Primary Examiner(s): Jackson, Stephen W.
• Application Number:
  US10/895,062
• Publication Number:
  US 20050018374A1
• Time in Patent Office: 447 Days
• Field of Search: 361/118, 361/119, 361/58, 361/111, 361/113
• US Class Current: 361/118
• CPC Class Codes: H01R 13/6608 with built-in single component H01R13/68, H01R13/70 take precedence
• CPC Class Codes: H01R 13/719 specially adapted for high frequency, e.g. with filters
• CPC Class Codes: H03H 1/0007 of radio frequency interference filters

Abstract

The invention provides electrical filters, circuits including the filters, connectors including the filters, and methods of making and using the same wherein the filter includes a G conductor, an A conductor; and a B conductor, and wherein the three conductors are conductively isolated from one another when said filter is not connected in a circuit.

Claims

1. A filter comprising:

a G conductor;

an A conductor;

a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, and said G conductor central layer portion has surfaces defining a G conductor central layer first aperture and a G conductor central layer second aperture;

wherein said A conductor includes an A conductor extended portion, an A conductor first layer portion, and an A conductor second layer portion;

wherein said A conductor extended portion extends through said G conductor central layer first aperture;

wherein said A conductor first layer portion and said A conductor second layer portion are on opposite sides of said G conductor central layer portion from one another,

said B conductor includes a B conductor extended portion, a B conductor first layer portion, and a B conductor second layer portion;

wherein said B conductor extended portion extends through said G conductor central layer second aperture; and

wherein said B conductor first layer and said B conductor second layer portion are on opposite sides of said central layer portion from one another.

2. The filter of claim 1 wherein said G conductor comprises a housing portion.

3. The filter of claim 1 wherein said G conductor comprises a housing portion and said housing portion extends through a plane through said A conductor first layer protion.

4. The filter of claim 1 wherein said G conductor comprises a housing portion and said housing portion encloses said A conductor first layer portion, said A conductor second layered portion, said B conductor first layer portion, and said B conductor second layer portion.

5. The filter of claim 1 wherein said G conductor comprises a housing portion and said housing comprises at least one flange portion.

6. The filter of claim 1 further comprising conductive connector material.

7. The filter of claim 1 further comprising a first dielectric material.

8. The filter of claim 1 further comprising a first dielectric material and a second dielectric material.

9. The filter of claim 1 wherein said A conductor and said B conductor have about the same shape.

10. The filter of claim 1 wherein a shape of a major surface of said A conductor first layer portion is one of generally circular, generally rectangular, and generally square.

11. The filter of claim 1 wherein said A conductor first layer portion is not centered about said A conductor extended portion.

12. The filter of claim 1 wherein said G conductor further comprises a housing and said a separation distance between said A conductor extended portion and said B conductor extended portion is less than a separation distance between said A conductor and said housing.

13. The filter of claim 1 wherein said A conductor first layer portion and said B conductor first layer portion are coplanar.

14. The filter of claim 1 wherein an area of a major surface of said A conductor first layer portion is different from an area of a major surface of said A conductor second layer portion.

15. The filter of claim 1 wherein said A conductor first layer portion does not overlap any layer portion of said B conductor.

16. The filter of claim 1 wherein said G conductor central layer first aperture has a G conductor central layer first aperture area, a major surface of said A conductor first layer portion has an A conductor first layer portion area, and said A conductor first layer portion area is greater than said G conductor aperture area.

17. The filter of claim 1 wherein said G conductor central layer portion has no surfaces defining apertures other than said G conductor central layer first aperture and said G conductor central layer second aperture.

18. The filter of claim 1 wherein said G conductor central layer portion, said A conductor first layered portion, said A conductor first layer portion, said A conductor second layer portion, said B conductor first layer portion, and said B conductor second layer portion are flat.

19. The filter of claim 1 wherein a ratio of a longest distance in said A conductor first layered portion to a separation distance between said A conductor first layer portion and said A conductor second layer portion is at least 2.

20. The filter of claim 1 wherein said G conductor includes a housing portion, and a ratio of a longest distance in said A conductor first layered portion to a separation distance between said A conductor first layer portion and said housing portion is at least 2.

21. A circuit comprising the filter of claim 1 further comprising:

a source of power;

a load;

wherein said A conductor extended portion is inserted in series along one line between said source and said load and said B conductor extended portion is inserted in series along another line between said source and said load.

22. A circuit comprising the filter of claim 1 further comprising:

a source of power;

a load;

wherein said A conductor extended portion has a first end, said B conductor extended portion has a first end, and the first ends of the A conductor and B conductor are conductively connected to form a filter first terminal, second ends of said A conductor extended portion and said B conductor extended portion are conductively connected to form a filter second terminal, and said filter first terminal and said filter second terminal are inserted in series along a line between said source and said load.

23. A connector comprising the filter of claim 1, wherein said connector comprises a ground pin connecting to a first ground strap and said G conductor,

a second connector pin;

a third connector pin;

and

wherein said ground strap extends between said A conductor extended portion and said B conductor extended portion.

24. The connector of claim 23 further comprising a second ground strap forming with said first ground strap a loop around said filter such that said loop extends between said A conductor extended portion and said B conductor extended portion on opposite sides of said filter.

25. The connector of claim 23 wherein no ground pin extends into said filter structure.

26. The connector of claim 23 wherein a cross-sectional area of said A conductor extended portion is not greater than a cross-sectional area of said first connector pin.

27. The connector of claim 26 wherein said A conductor extended portion has a cross-sectional diameter of not more than about 2.6 square millimeters.

28. A filter of claim 1 incorporated into anyone of an extension cord, an electrical appliances, an electronic devices, an electronic consumer good, a digital electronic computer, a server, a printer, a network device, a motorized equipment, a television, a radio, a kitchen machine, a refrigerator, a automobile, a truck, a boat, an airplane, and a train.

29. A connector of claim 23 incorporated into any one of an extension cord, an electrical appliances, an electronic devices, an electronic consumer good, a digital electronic computer, a server, a printer, a network device, a motorized equipment, a television, a radio, a kitchen machine, a refrigerator, a automobile, a truck, a boat, an airplane, and a train.

30. A connector of claim 23 having more than three male or female pins.

31. A connector of claim 23 designed for at least one of low power digital, conventional utility power, high voltage, and high frequency applications.

32. A method of making a filter comprising:

providing a G conductor;

providing an A conductor;

providing a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, and said G conductor central layer portion has surfaces defining a G conductor central layer first aperture and a G conductor central layer second aperture;

wherein said A conductor includes an A conductor extended portion, an A conductor first layer portion, and an A conductor second layer portion;

wherein said A conductor extended portion extends through said G conductor central layer first aperture;

wherein said A conductor first layer portion and said A conductor second layer portion are on opposite sides of said G conductor central layer portion from one another,

said B conductor includes a B conductor extended portion, a B conductor first layer portion, and a B conductor second layer portion;

wherein said B conductor extended portion extends through said G conductor central layer second aperture; and

wherein said B conductor first layer and said B conductor second layer portion are on opposite sides of said central layer portion from one another.

33. The method of making a connector comprising the method of claim 32 and further comprising incorporating said filter into a connector structure.

34. A method of using a filter, said filter comprising:

a G conductor;

an A conductor;

a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, and said G conductor central layer portion has surfaces defining a G conductor central layer first aperture and a G conductor central layer second aperture;

wherein said A conductor includes an A conductor extended portion, an A conductor first layer portion, and an A conductor second layer portion;

wherein said A conductor extended portion extends through said G conductor central layer first aperture;

wherein said A conductor first layer portion and said A conductor second layer portion are on opposite sides of said G conductor central layer portion from one another;

said B conductor includes a B conductor extended portion, a B conductor first layer portion, and a B conductor second layer portion;

wherein said B conductor extended portion extends through said G conductor central layer second aperture;

wherein said B conductor first layer and said B conductor second layer portion are on opposite sides of said central layer portion from one another;

filtering electrical energy with said filter.

35. The method of claim 34 wherein said filter is integrated into a connector.

36. The method of claim 35 further comprising connecting the connector.

37. A filter comprising:

a G conductor;

an A conductor,

a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, said G conductor central layer portion has surfaces defining a G conductor central layer portion first aperture and a G conductor central layer portion second aperture;

wherein said A conductor includes an A conductor extended portion and an A conductor layer portion;

wherein said A conductor layer portion includes surfaces defining an A conductor layer portion aperture;

wherein said B conductor includes a B conductor extended portion and a B conductor layer portion;

wherein said B conductor layer portion includes surfaces defining an B conductor layer portion aperture;

wherein said A conductor extended portion extends through said G conductor central layer portion first aperture and said B conductor layer portion aperture;

wherein said B conductor extended portion extends through said G conductor central layer portion second aperture and said A conductor layer portion aperture; and

wherein said A conductor layer portion and said B conductor layer portion are on opposite sides of said G conductor central layer portion from one another.

38. The filter of claim 37 wherein said G conductor comprises a housing portion.

39. The filter of claim 37 wherein said G conductor comprises a housing portion and said housing portion extends through a plane through said A conductor first layer portion.

40. The filter of claim 37 wherein said G conductor comprises a housing portion and said housing portion encloses said A conductor layer portion and said B conductor layer portion.

41. The filter of claim 37 wherein said G conductor comprises a housing portion and said housing comprises at least one flange portion.

42. The filter of claim 37 further comprising conductive connector material.

43. The filter of claim 37 further comprising a first dielectric material.

44. The filter of claim 37 further comprising a first dielectric material and a second dielectric material.

45. The filter of claim 37 wherein said A conductor and said B conductor have about the same shape.

46. The filter of claim 37 wherein a shape of a major surface of said A conductor layer portion is one of generally circular, generally rectangular, and generally square.

47. The filter of claim 37 wherein said G conductor includes a housing portion, said housing portion having a housing portion interior surface, said A conductor layer portion is inside said housing portion, and a perimeter of said A conductor layer portion conforms in shape to said housing portion interior surface.

48. The filter of claim 37 wherein said A conductor extended portion has a wide and flat cross-section and said B conductor extended portion has a wide and flat cross-section.

49. The filter of claim 37 wherein said G conductor comprises a housing portion, interior surfaces of said housing portion define a housing portion interior cross-sectional area, and said A conductor layer portion extends over a majority of said housing portion interior cross-sectional area.

50. The filter of claim 37 wherein said G conductor central layer portion first aperture has a G conductor central layer portion first aperture area, a first major surface of said A conductor layer portion has an A conductor layer portion first major area, and a ratio of said A conductor layer portion first major area to said G conductor central layer portion first aperture area is greater than 2.

51. The filter of claim 37 wherein a separation distance between said A conductor layer portion and said G conductor central layer portion is substantially the same as a separation distance between said B conductor layer portion and said G conductor central layer portion.

52. The filter of claim 37 wherein a ratio of longest dimension in a major surface of said A conductor layer portion to a separation distance between said A conductor layer portion and said G conductor central layer portion is at least 2.

53. The filter of claim 37 wherein said G conductor comprises a housing portion, and a ratio of longest dimension in a major surface of said A conductor layer portion to a separation distance between said A conductor layer portion and housing portion is at least 2.

54. The filter of claim 37 wherein said A conductor layer portion and said B conductor layer portion have substantially the the size and shape.

55. The filter of claim 37 wherein said G conductor includes a housing portion, and a separation distance between said A conductor extended portion and said B conductor extended portion is less than a separation distance between said A conductor extended portion and said housing portion.

56. The filter of claim 37 wherein said G conductor central layer portion has surfaces defining no other apertures in addition to said G conductor central layer portion first aperture and said G conductor central layer portion second aperture, said A conductor has surfaces defining no other apertures than said A conductor layer portion aperture, and said B conductor has surfaces defining no other apertures than said B conductor layer portion aperture.

57. The filter of claim 37 wherein said G conductor central layer portion, said A conductor layer portion, and said B conductor layer portion are flat.

58. A circuit comprising the filter of claim 37 further comprising:

a source of power;

a load;

wherein said A conductor extended portion is inserted in series along one line between said source and said load and said B conductor extended portion is inserted in series along another line between said source and said load.

59. A circuit comprising the filter of claim 37 further comprising:

a source of power;

a load;

wherein said A conductor extended portion has a first end, said B conductor extended portion has a first end, and the first ends of the A conductor and B conductor are conductively connected to form a filter first terminal, second ends of said A conductor extended portion and said B conductor extended portion are conductively connected to form a filter second terminal, and said filter first terminal and said filter second terminal are inserted in series along a line between said source and said load.

60. A connector comprising the filter of claim 37, wherein said connector comprises a ground pin connecting to a first ground strap and said G conductor;

a second connector pin;

a third connector pin;

and

wherein said ground strap extends between said A conductor extended portion and said B conductor extended portion.

61. The connector of claim 60 further comprising a second ground strap forming with said first ground strap a loop around said filter such that said loop extends between said A conductor extended portion and said B conductor extended portion on opposite sides of said filter.

62. The connector of claim 60 wherein no ground pin extends into said filter structure.

63. The connector of claim 60 wherein a cross-sectional area of said A conductor extended portion is not greater than a cross-sectional area of said first connector pin.

64. The connector of claim 63 wherein said A conductor extended portion has a cross-sectional diameter of not more than about 2.6 square millimeters.

65. A filter of claim 37 incorporated into any one of an extension cord, an electrical appliances, an electronic devices, an electronic consumer good, a digital electronic computer, a server, a printer, a network device, a motorized equipment, a television, a radio, a kitchen machine, a refrigerator, a automobile, a truck, a boat, an airplane, and a train.

66. A connector of claim 60 incorporated into anyone of an extension cord, an electrical appliances, an electronic devices, an electronic consumer good, a digital electronic computer, a server, a printer, a network device, a motorized equipment, a television, a radio, a kitchen machine, a refrigerator, a automobile, a truck, a boat, an airplane, and a train.

67. A connector of claim 60 having more than three male or female pins.

68. A connector of claim 60 designed for at least one of low power digital, conventional utility power, high voltage, and high frequency applications.

69. A method of making a filter comprising:

providing a G conductor;

providing an A conductor;

providing a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, said G conductor central layer portion has surfaces defining a G conductor central layer portion first aperture and a G conductor central layer portion second aperture;

wherein said A conductor includes an A conductor extended portion and an A conductor layer portion;

wherein said A conductor layer portion includes surfaces defining an A conductor layer portion aperture;

wherein said B conductor includes a B conductor extended portion and a B conductor layer portion;

wherein said B conductor layer portion includes surfaces defining an B conductor layer portion aperture;

wherein said A conductor extended portion extends through said G conductor central layer portion first aperture and said B conductor layer portion aperture;

wherein said B conductor extended portion extends through said G conductor central layer portion second aperture and said A conductor layer portion aperture; and

wherein said A conductor layer portion and said B conductor layer portion are on opposite sides of said G conductor central layer portion from one another.

70. A method of using a filter, said filter comprising:

a G conductor;

an A conductor;

a B conductor;

wherein said G conductor, said A conductor, and said B conductor are conductively isolated from one another when said filter is not connected in a circuit;

wherein said G conductor includes a G conductor central layer portion, said G conductor central layer portion has sources defining a G conductor central layer portion first aperture and a G conductor central layer portion second aperture;

wherein said A conductor includes an A conductor extended portion and an A conductor layer portion;

wherein said A conductor layer portion includes surfaces defining an A conductor layer portion aperture;

wherein said B conductor includes a B conductor extended portion and a B conductor layer portion;

wherein said B conductor layer portion includes surfaces defining an B conductor layer portion aperture;

wherein said A conductor extended portion extends through said G conductor central layer portion first aperture and said B conductor layer portion aperture;

wherein said B conductor extended portion extends through said G conductor central layer portion second aperture and said A conductor layer portion aperture; and

wherein said A conductor layer portion and said B conductor layer portion are on opposite sides of said G conductor central layer portion from one another;

said method comprising filtering electrical energy with said filter.