Digital, small signal and RF microwave coaxial subminiature push-on differential pair system

• US 8,597,050 B2
• Filed: 12/13/2010
• Issued: 12/03/2013
• Est. Priority Date: 12/21/2009
• Status: Active Grant

• Current Assignee: Corning Optical Communications RF, LLC (Corning Incorporated)
• Original Assignee: Corning Gilbert Incorporated (Corning Incorporated)
• Inventors: Flaherty, Thomas E, Hart, Dennis Francis
• Primary Examiner(s): Gilman, Alexander
• Application Number:
  US12/966,419
• Publication Number:
  US 20110151714A1
• Time in Patent Office: 1,086 Days
• Field of Search: 439/578, 439/581, 439/580, 439/589, 385/59
• US Class Current: 439/578
• CPC Class Codes: H01R 13/6277 comprising annular latching means, e.g. ring snapping in an annular groove
• CPC Class Codes: H01R 13/6456 comprising keying elements at different positions along the periphery of the connector
• CPC Class Codes: H01R 13/6581 Shield structure
• CPC Class Codes: H01R 2105/00 Three poles
• CPC Class Codes: H01R 24/568 Twisted pair cables
• CPC Class Codes: H01R 31/06 Intermediate parts for linking two coupling parts, e.g. adapter with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94

Abstract

The differential pair system includes a push-on high frequency differential connector sleeve and push-on high frequency differential connector. The system allows for blind mating of the two components, using a keying system for the two electrical conductors to be axially and radially aligned.

Claims

1. A push-on high frequency differential connector sleeve comprising:

an outer body having an outer surface and an inner surface, the inner surface defining an internal opening between a first end and a second end, and a first opening and a second opening in the outer body between the inner and outer surfaces, the first opening extending from the first end toward a center portion and the second opening extending from the second end toward the center portion of the outer body;

a tubular body disposed in the internal opening in the outer body, the tubular body engaging the inner surface of the outer body, wherein the tubular body comprises a projection engaging a corresponding depression in the inner surface of the outer body;

a dielectric member disposed in the tubular body, the dielectric member having two openings therein to receive two electrical conductors; and

two electrical conductors disposed in the two openings in the dielectric member, wherein the two electrical conductors extend from the first end toward a center portion and the second end toward the center portion allowing for the blind mating of two connectors with the connector sleeve at either end of the sleeve.

2. The push-on high frequency differential connector sleeve according to claim 1, wherein the tubular body has a first end and a second end, the first end and second end are segmented and biased radially outward to engage and retain a corresponding connector.

3. The push-on high frequency differential connector sleeve according to claim 1, wherein the first and second openings in the outer body generally increase in width to allow for gimbaling of connectors inserted therein.

4. The push-on high frequency differential connector sleeve according to claim 1, wherein the two openings in the dielectric member and the first opening and the second opening in the outer body lie on a single plane.

5. The push-on high frequency differential connector sleeve according to claim 1, wherein the inner surface of the outer body is circular in cross section.

6. The push-on high frequency differential connector sleeve according to claim 1, wherein the inner surface of the outer body has at least two flat surfaces, the two flat surfaces on opposites sides of the internal opening.

7. The push-on high frequency differential connector sleeve according to claim 6, wherein the tubular body has a first end and a second end, the first end and second end are segmented and biased radially outward to engage and retain a corresponding connector.

8. The push-on high frequency differential connector sleeve according to claim 6, wherein the inner surface of the outer body is circular in cross section.

9. The push-on high frequency differential connector sleeve according to claim 6, wherein the two conductors, when connected, have a combined 100Ω

impedance between the conductors.

10. The push-on high frequency differential connector sleeve according to claim 6, wherein the two conductors have a female configuration.

11. The push-on high frequency differential connector sleeve according to claim 1, wherein the two conductors, when connected, have a combined 100Ω

impedance between the conductors.

12. The push-on high frequency differential connector sleeve according to claim 1, wherein the two conductors have a female configuration.

24. The push-on high frequency differential connector sleeve according to claim 1, wherein the first opening is configured to engage at least one alignment member of a complementary connector received in the first opening, and the second opening is configured to engage a second at least one alignment member of a second complementary connector received in the second opening.

13. A push-on high frequency differential connector comprising:

an outer body having an outer surface, an inner surface, a front end, and a back end providing a mating surface at the front end, the inner surface defining an opening extending between the front end and the back end;

a dielectric member inserted into the opening at the back end of the outer body, the dielectric member having two openings therein;

two electrical contacts disposed in the openings in the dielectric member, the electrical contacts extending from the back end towards the front end and beyond a front end of dielectric member, the electric contacts extending radially outward from the opening beyond the outer surface;

a dielectric spacer engaging the two electrical contacts beyond the outer surface of the outer body, the dielectric spacer including a first end and a second end opposite the first end, the second end of the dielectric spacer is co-planar with the mating surface of the back end of the outer body; and

an alignment member extending radially upward from the outer surface of the outer body to engage a corresponding opening on a connector sleeve to align the electrical contacts with the connector sleeve, and wherein the outside surface has at least two flat portions configured to engage a corresponding flat portion in a connector sleeve.

14. The push-on high frequency differential connector according to claim 13, further comprising a channel disposed in the outer body adjacent the back end that forms a lip portion at the back end.

15. The push-on high frequency differential connector according to claim 14, wherein the dielectric spacer is disposed in the channel.

16. The push-on high frequency differential connector according to claim 13, wherein the alignment member comprises two alignment members.

17. The push-on high frequency differential connector according to claim 13, wherein the inner surface at the front end of the outer body has a chamfer to assist in engaging the connector sleeve.

18. The push-on high frequency differential connector according to claim 13, wherein the alignment member and the two electrical contacts in the opening of outer body lie in a single plane.

19. The push-on high frequency differential connector according to claim 13, wherein the electrical contacts turn through an angle of about ninety degrees adjacent the back end of the outer body.

20. The push-on high frequency differential connector according to claim 13, wherein the contacts have a male configuration.

21. The push-on high frequency differential connector according to claim 13, wherein the contacts have a female configuration.

22. The push-on high frequency differential connector according to claim 13, wherein the outside surface is generally circular in cross section.

23. The push-on high frequency differential connector according to claim 13, wherein alignment member is an elongated alignment member.

25. A push-on high frequency differential pair system comprising:

a push-on high frequency differential connector sleeve, the connector sleeve further comprising;

an outer body having an outer surface and an inner surface, the inner surface defining an internal opening between a first end and a second end, and a first opening and a second opening in the outer body between the inner and outer surfaces, the first opening extending from the first end toward a center portion and the second opening extending from the second end toward the center portion of the outer body;

a tubular body disposed in the internal opening in the outer body, the tubular body engaging the inner surface of the outer body, wherein the tubular body comprises a projection engaging a corresponding depression in the inner surface of the outer body;

a dielectric member disposed in the tubular body, the dielectric member having two openings therein to receive two electrical conductors; and

two electrical conductors disposed in the two openings in the dielectric member; and

a push-on high frequency differential connector, the connector further comprising

an outer body having an outer surface, an inner surface, a front end, and a back end, the inner surface defining an opening extending between the front end and the back end;

a dielectric member inserted into the opening at the back end of the outer body, the dielectric member having two openings therein;

two electrical contacts disposed in the openings in the dielectric member, the electrical contacts extending from the back end towards the front end and beyond a front end of dielectric member, the electric contacts extending radially outward from the opening beyond the outer surface;

a dielectric spacer engaging the two electrical contacts beyond the outer surface of the outer body; and

an alignment member extending radially upward from the outer surface of the outer body to engage a corresponding opening on a connector sleeve to align the electrical contacts with the connector sleeve.