Coaxial cable connector with internal floating ground circuitry and method of use thereof

• US 8,570,178 B2
• Filed: 12/09/2010
• Issued: 10/29/2013
• Est. Priority Date: 09/24/2007
• Status: Active Grant

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: PPC Broadband Incorporated (Belden Inc.)
• Inventors: Lawrence, Michael E., Montena, Noah, Ozbas, Murat
• Primary Examiner(s): Tweel, Jr., John A
• Application Number:
  US12/964,319
• Publication Number:
  US 20110080158A1
• Time in Patent Office: 1,055 Days
• Field of Search: 340/635, 324/76.12, 439/578, 298/69, 710/100, 710/300, 375/257, 250/551
• US Class Current: 340/635
• CPC Class Codes: H01R 13/641 by indicating incorrect coupling; by indicating correct or full engagement
• CPC Class Codes: H01R 13/665 with built-in electronic circuit H01R13/70, H01R13/719 take precedence
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/42 comprising impedance matching means or electrical components, e.g. filters or switches
• CPC Class Codes: Y10T 29/49195 with end-to-end orienting

Abstract

A coaxial cable connector is provided, the connector includes: a connector body and a ground isolation circuit positioned within the connector body. The ground isolation circuit is configured to generate a voltage signal comprising a positive voltage and a negative voltage. The ground isolation circuit is electrically isolated from the connector body.

Claims

1. A coaxial cable connector for connection to an RF port, the connector comprising:

a connector body; and

a ground isolation circuit positioned within the connector body, wherein the ground isolation circuit is configured to generate a voltage signal comprising a positive voltage and a negative voltage, and wherein the ground isolation circuit is electrically isolated from the connector body.

2. The coaxial cable connector of claim 1, wherein the connector body is electrically and mechanically connected to a conductive metallic shield of a coaxial cable, and wherein the ground isolation circuit is electrically isolated from the conductive shield.

3. The coaxial cable connector of claim 1, further comprising:

a coupling circuit electrically connected to the ground isolation circuit, wherein the coupling circuit is positioned within and electrically isolated from the connector body, wherein the coupling circuit is located in a position that is external to a signal path of a radio frequency (RF) signal flowing through the coaxial cable connector, wherein the coupling circuit is configured to sense the RF signal flowing through the connector when connected to the RF port, wherein the coupling circuit is configured to couple electrical energy from the RF signal to the ground isolation circuit, and wherein the ground isolation circuit is configured to generate the voltage signal from the electrical energy.

4. The coaxial cable connector of claim 3, further comprising:

a parameter sensing circuit electrically connected to the ground isolation circuit, wherein the parameter sensing circuit is configured to sense a parameter of the coaxial cable connector, wherein the parameter sensing circuit is positioned within and electrically isolated from the connector body, wherein the voltage signal is configured to supply power to the parameter sensing circuit.

5. The coaxial cable connector of claim 4, wherein the parameter sensing circuit is further configured to communicate the parameter of the coaxial cable connector to a location external to the connector body.

6. The coaxial cable connector of claim 5, wherein the parameter of the coaxial cable connector is communicated wirelessly to the location external to the connector body.

7. The coaxial cable connector of claim 3, further comprising:

an electrical parameter sensing circuit electrically connected to the ground isolation circuit, wherein the electrical parameter sensing circuit is configured to sense a parameter of the RF signal flowing through the coaxial cable connector, wherein the electrical parameter sensing circuit is positioned within and electrically isolated from the connector body, wherein the voltage signal is configured to supply power to the electrical parameter sensing circuit.

8. The coaxial cable connector of claim 7, wherein the electrical parameter sensing circuit is further configured to communicate the parameter of the RF signal flowing through the coaxial cable connector to a location external to the connector body.

9. The coaxial cable connector of claim 8, wherein the parameter of the electrical signal is communicated wirelessly to the location external to the connector body.

10. The coaxial cable connector of claim 1, further comprising:

a power regulator circuit within the ground isolation circuit, wherein the power regulator circuit is positioned within and electrically isolated from the connector body, and wherein the power regulator circuit is configured to convert the positive voltage and the negative voltage into regulated positive and negative power supply voltages.

11. The coaxial cable connector of claim 10, wherein the regulated positive and negative power supply voltages are configured to supply power to an electrical device located within the coaxial cable connector, wherein the electrical device is positioned within and electrically isolated from the connector body.

12. The coaxial cable connector of claim 11, wherein the electrical device comprises a device selected from the group consisting of an integrated circuit on a semiconductor chip, an electrical parameter sensing circuit, and a parameter sensing circuit.

13. The coaxial cable connector of claim 1, wherein the ground isolation circuit is comprised by a semiconductor device positioned within the connector body, and wherein the semiconductor device is electrically isolated from the connector body.

14. The coaxial cable connector of claim 1, wherein the ground isolation circuit comprises a rectifier and filtering circuit configured to generate the voltage signal.

15. A coaxial cable connector for connection of a coaxial cable to an RF port, the connector comprising:

a connector body;

a coupling circuit, wherein the coupling circuit is positioned within and electrically isolated from the connector body, wherein the coupling circuit is located in a position that is external to and mechanically isolated from a center conductor of the coaxial cable, wherein the coupling circuit is configured to sense an RF signal flowing through the center conductor within the connector when connected to the RF port, wherein the coupling circuit is configured to sense electrical energy from the RF signal; and

a ground isolation circuit positioned within the connector body, wherein the ground isolation circuit is electrically isolated from the connector body, wherein the ground isolation circuit is and electrically connected to the coupling circuit, wherein the ground isolation circuit is configured to receive the electrical energy from the coupling circuit, wherein the ground isolation circuit is configured to generate, from the electrical energy, a voltage signal comprising a positive voltage and a negative voltage.

16. The coaxial cable connector of claim 15, wherein the voltage signal is configured to supply power to an electrical device located within the coaxial cable connector, wherein the electrical device is positioned within and electrically isolated from the connector body.

17. An RF port coaxial cable connector comprising:

a connector body; and

means for generating a voltage signal comprising a positive voltage and a negative voltage, wherein the means for generating the voltage signal is positioned within and electrically isolated from the connector body.

18. The connector of claim 17, wherein the connector body is electrically and mechanically connected to a conductive metallic shield of a coaxial cable, and wherein the means for generating the voltage signal is electrically isolated from the conductive shield.

19. The connector of claim 17, further comprising:

means for converting the positive voltage and the negative voltage into regulated positive and negative power supply voltages, wherein the means for converting the positive voltage and the negative voltage is positioned within and electrically isolated from the connector body.

20. A coaxial cable connector connection system having an RF port, the system comprising:

a coaxial cable connector comprising a connector body, a ground isolation circuit positioned within and electrically isolated from the connector body, and a coupling circuit electrically connected to the ground isolation circuit and positioned within and electrically isolated from the connector body, wherein the coupling circuit is located in a position that is external to a signal path of a radio frequency (RF) signal flowing through the coaxial cable connector, wherein the coupling circuit is configured to sense the RF signal flowing through the connector when connected to the RF port, wherein the coupling circuit is configured to couple electrical energy from the RF signal to the ground isolation circuit, and wherein the ground isolation circuit is configured to generate a voltage signal comprising a positive voltage and a negative voltage from the electrical energy; and

a parameter reading device located externally to the coaxial cable connector, wherein the parameter reading device is configured to wirelessly receive a signal from the electrical energy, and wherein the signal comprises a reading associated with a parameter of the coaxial cable connector.

21. The system of claim 20, wherein the coaxial cable connector further comprises a parameter sensing circuit electrically connected to the ground isolation circuit, wherein the parameter sensing circuit is configured to sense a parameter of the coaxial cable connector, wherein the parameter sensing circuit is positioned within and electrically isolated from the connector body, wherein the voltage signal is configured to supply power to the parameter sensing circuit.

22. The system of claim 20, wherein the coaxial cable connector further comprises a power harvesting circuit comprising the ground isolation circuit, wherein the power harvesting circuit is positioned within and electrically isolated from the connector body, and wherein the power harvesting circuit is configured to is configured to convert the positive voltage and the negative voltage into regulated positive and negative power supply voltages.

23. A method comprising:

providing a coaxial cable connector comprising a connector body and a ground isolation circuit positioned within the connector body, wherein the ground isolation circuit is electrically isolated from the connector body;

connecting the connector to an RF port to form a connection; and

generating, by the ground isolation circuit, a voltage signal comprising a positive voltage and a negative voltage.

24. The method of claim 23, wherein the connector body is electrically and mechanically connected to a conductive metallic shield of a coaxial cable, and wherein the ground isolation circuit is electrically isolated from the conductive shield.

25. The method of claim 23, further comprising:

providing a coupling circuit positioned within the connector body, wherein the coupling circuit is electrically connected to the ground isolation circuit, wherein the coupling circuit is electrically isolated from the connector body, wherein the coupling circuit is located in a position that is external to a signal path of a radio frequency (RF) signal flowing through the coaxial cable connector,

sensing, by the coupling circuit, the RF signal flowing through the coaxial cable connector when connected to an RF port; and

coupling, by the coupling circuit, electrical energy from the RF signal to the ground isolation circuit, wherein the voltage signal is generated from the electrical energy.

26. The method of claim 23, further comprising:

providing, a parameter sensing circuit positioned within the connector body, wherein the parameter sensing circuit is electrically connected to the ground isolation circuit, and wherein the parameter sensing circuit is positioned within and electrically isolated from the connector body; and

sensing, by the parameter sensing circuit, a parameter of the coaxial cable connector, wherein the voltage signal is configured to supply power to the parameter sensing circuit.

27. The method of claim 26, further comprising:

communicating wirelessly, by the parameter sensing circuit the parameter of the coaxial cable connector to a location external to the connector body.

28. The method of claim 25, further comprising:

providing an electrical parameter sensing circuit electrically connected to the ground isolation circuit, wherein the electrical parameter sensing circuit is positioned within and electrically isolated from the connector body; and

sensing, by the electrical parameter sensing circuit, a parameter of the RF signal flowing through the coaxial cable connector, wherein the voltage signal supplies power to the electrical parameter sensing circuit.

29. The method of claim 28, further comprising:

communicating wirelessly, by the electrical parameter sensing circuit, the parameter of the RF signal flowing through the coaxial cable connector to a location external to the connector body.

30. The method of claim 23, further comprising:

providing a power regulator circuit within the ground isolation circuit, wherein the power harvesting circuit is positioned within and electrically isolated from the connector body; and

converting, by the power regulator circuit, the positive voltage and the negative voltage into regulated positive and negative power supply voltages.

31. The method of claim 30, further comprising:

supplying, by the regulated positive and negative power supply voltages, power to an electrical device located within the coaxial cable connector, wherein the electrical device is positioned within and electrically isolated from the connector body.