Mini isolator
地域：
NY
NY East Syracuse
摘要
An isolator includes an input connector configured to connect the isolator to a first device. The isolator also includes an output connector configured to connect the isolator to a second device. The isolator also includes a body including an outer shield. The isolator also includes a coupling member positioned at least partially within the outer shield. The coupling member is configured to electrically couple with the outer shield. The isolator also includes a coaxial circuit positioned at least partially around a first portion of the coupling member. The isolator also includes a toroid positioned at least partially around a second portion of the coupling member The isolator also includes a compression material configured to apply a force to the coaxial circuit and the toroid. The isolator also includes a signal conditioning circuit configured to condition signals communicated between the input connector and the output connector.
說(shuō)明書
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This application is a continuation of U.S. patent application Ser. No. 15/468,893, filed Mar. 24, 2017, which claims the benefit and priority of U.S. Provisional Patent Application No. 62/312,891, filed Mar. 24, 2016. U.S. patent application Ser. No. 15/468,893 is also a continuation-in-part of U.S. patent application Ser. No. 15/290,216, filed Oct. 11, 2016, which claims benefit and priority of U.S. Provisional Patent Application No. 62/239,685, filed Oct. 9, 2015. The entire contents of each of these documents is incorporated herein by reference.
In a typical building, ground potential in the electrical systems of the building needs to be equalized for all networks so that different networks function properly. For example, a power line and cable television (CATV) network require equal ground potentials as they utilize common equipment. For developed countries, the ground installation and setup may be regulated, and thus the networks in a building may not experience issues. On the other hand, other jurisdictions where regulation is less, improper grounding may become an issue when different networks have different ground potentials.
When two networks are connected, for example, when a cable is connected to the CATV set top box, a current will flow from CATV network to a neutral line of the set top box or vice versa if the ground potentials are not equal. In some cases, this current may reach levels that damage the set top box, and may even become hazardous to the user or installer. Therefore, the neutral lines of these networks need to be isolated to prevent current flow.
權(quán)利要求
What is claimed is:1. A coaxial radio frequency (RF) isolator comprising:a conductive body comprising a first coaxial coupler configured to connect the isolator to a first device; a conductive outer shield positioned at least partially around at least a portion of the conductive body; a dielectric barrier positioned at least partially between conductive body and the conductive outer shield, wherein the dielectric barrier is configured to electrically isolate the conductive body from the conductive outer shield; a second coaxial coupler configured to connect the isolator to a second device; a signal conditioning device configured to condition RF signals communicated between the first coaxial coupler and the second coaxial coupler; a signal path extending at least partially through the first coaxial coupler, the signal conditioning device, and the second coaxial coupler, wherein the signal path is configured to conduct the RF signals between the first coaxial coupler and the second coaxial coupler; a coaxial circuit configured to block direct current flow between the conductive body, the conductive outer shield, the second coaxial coupler, or a combination thereof; and a magnetic toroid configured to filter the RF signals from electromagnetic interference. 2. The isolator of claim 1 , wherein the conductive outer shield is configured to slide over the conductive body and to attach to the conductive body solely by compression fitting. 3. The isolator of claim 1 , wherein the coaxial circuit is configured to attach at least partially within the isolator solely by compression fitting. 4. The isolator of claim 1 , wherein:the coaxial circuit comprises an annular shape; a first surface of the coaxial circuit is configured to contact the conductive body; a second surface of the coaxial circuit is configured to contact the signal conditioning device; and a third surface of the coaxial surface is configured to contact the second coaxial coupler. 5. The isolator of claim 1 , wherein the coaxial circuit comprises:an insulator ring; a first conductor layer formed on an outer surface of the insulator ring; a second conductor layer formed on an inner surface of the insulator ring; and one or more electrical circuits configured to electrically couple the first conductor layer and the second conductor layer. 6. The isolator of claim 1 , wherein the magnetic toroid comprises an inner diameter configured to fit around an outer diameter of the second coaxial coupler. 7. The isolator of claim 1 , further comprising a dielectric spacer comprising an annular shape, wherein the dielectric spacer is configured to electrically isolate the conductive body from the conductive outer shield. 8. The isolator of claim 1 , wherein the dielectric barrier comprises a cylindrical shape configured to fit over an outer surface of the conductive outer shield to provide an insulating grip. 9. An isolator comprising:an input connector configured to connect the isolator to a first device; an output connector configured to connect the isolator to a second device; a body comprising an outer shield; a coupling member positioned at least partially within the outer shield, wherein the coupling member is configured to electrically couple with the outer shield; a coaxial circuit positioned at least partially around a first portion of the coupling member; a toroid positioned at least partially around a second portion of the coupling member; a compression material configured to apply a force to the coaxial circuit and the toroid; and a signal conditioning circuit configured to condition signals communicated between the input connector and the output connector. 10. The isolator of claim 9 , further comprising one or more dielectric members configured to electrically isolate the outer shield. 11. The isolator of claim 9 , wherein the coaxial circuit is configured to electrically couple the coupling member with the body. 12. The isolator of claim 9 , wherein the signal conditioning circuit comprises a component selected from the group consisting of: a high pass filter, a low pass filter, an amplifier, a bandpass filter, a band reject filter, and a Multimedia over Coax Alliance (MoCA) circuit. 13. The isolator of claim 12 , further comprising a second coaxial circuit positioned at least partially around a third portion of the coupling member. 14. The isolator of claim 12 , further comprising a second toroid positioned at least partially around a third portion of the coupling member. 15. An isolator comprising:an outer shield; a first connector configured to connect the isolator to a first device; a second connector configured to connect the isolator to a second device; a conditioning circuit configured to condition signals communicated between the first connector and the second connector; an anti-rotation feature configured to prevent the conditioning circuit from rotating; and a coaxial circuit configured to provide ground isolation between the first connector and the second connector. 16. The isolator of claim 15 , further comprising a toroid positioned at least partially around the second connector, wherein the toroid is configured to filter electromagnetic interference. 17. The isolator of claim 15 , further comprising a signal path extending at least partially through the first connector, the conditioning circuit, and the second connector, wherein the signal path is configured to conduct the signals communicated between the first connector and the second connector. 18. The isolator of claim 17 , wherein the coaxial circuit is positioned at least partially around the signal path. 19. The isolator of claim 15 , wherein the coaxial circuit is configured to block direct current flow between the outer shield and the second connector. 20. The isolator of claim 15 , wherein:the first connector is configured to receive an input signal from the first device; and the second connector is configured to transmit an output signal to the second device. 21. The isolator of claim 15 , further comprising a compression material configured to apply a force to the coaxial circuit. 22. The isolator of claim 15 , wherein the anti-rotation feature comprises a coupling member having a slot formed therein. 23. The isolator of claim 22 , further comprising a toroid configured to filter electromagnetic interference, wherein the coaxial circuit is configured to be positioned at least partially around a first portion of the coupling member, and wherein the toroid is configured to be positioned at least partially around a second portion of the coupling member. 24. The isolator of claim 22 , wherein the conditioning circuit is configured to be positioned at least partially within the slot, thereby preventing the conditioning circuit from rotating. 25. The isolator of claim 24 , wherein the slot is defined at least partially by:a first axially extending surface; a second axially extending surface that is circumferentially offset from the first axially extending surface; and a circumferentially extending surface that extends between the first and second axially extending surfaces. 26. The isolator of claim 24 , wherein the slot extends from an inner radial surface of the coupling member to an outer radial surface of the coupling member. 27. The isolator of claim 24 , wherein the slot comprises two slots that are circumferentially offset from one another around an axial end of the coupling member. 28. An isolator comprising:an input connector configured to connect the isolator to a first device; an output connector configured to connect the isolator to a second device; a signal conditioning circuit configured to be positioned at least partially between the input connector and the output connector and to condition signals communicated between the input connector and the output connector; a coupling member configured to be positioned at least partially between the input connector and the output connector, wherein the coupling member comprises an anti-rotation feature that is configured to prevent the signal conditioning circuit from rotating; a coaxial circuit configured to be positioned at least partially around a first portion of the coupling member; a toroid configured to be positioned at least partially around a second portion of the coupling member; and an outer shield configured to be positioned at least partially around the coupling member, the coaxial circuit, and the toroid. 29. The isolator of claim 28 , further comprising a compression material configured to apply a force to the coaxial circuit, the toroid, or both. 30. The isolator of claim 28 , wherein the anti-rotation feature comprises a slot that is defined at least partially by:a first axially extending surface; a second axially extending surface that is circumferentially offset from the first axially extending surface; and a circumferentially extending surface that extends between the first and second axially extending surfaces. 31. The isolator of claim 28 , wherein the anti-rotation feature extends from an inner radial surface of the coupling member to an outer radial surface of the coupling member. 32. The isolator of claim 28 , wherein the anti-rotation feature comprises two anti-rotation features that are circumferentially offset from one another around an axial end of the coupling member. 33. An isolator comprising:a first connector configured to connect the isolator to a first device; a second connector configured to connect the isolator to a second device; a conditioning circuit configured to condition signals communicated between the first connector and the second connector; an outer shield configured to be positioned at least partially around the conditioning circuit; an anti-rotation feature configured to prevent the conditioning circuit from rotating with respect to the outer shield; and a coaxial circuit configured to be positioned at least partially within the outer shield. 34. The isolator of claim 33 , wherein the anti-rotation feature comprises a coupling member, and wherein the coaxial circuit is positioned at least partially around the coupling member. 35. The isolator of claim 34 , wherein the coupling member defines a slot therein, and wherein the conditioning circuit is configured to be positioned at least partially within the slot, thereby preventing the conditioning circuit from rotating. 36. The isolator of claim 35 , wherein the slot is defined at least partially by:a first axially extending surface; a second axially extending surface that is circumferentially offset from the first axially extending surface; and a circumferentially extending surface that extends between the first and second axially extending surfaces. 37. The isolator of claim 34 , wherein the anti-rotation feature extends from an inner radial surface of the coupling member to an outer radial surface of the coupling member. 38. The isolator of claim 34 , wherein the anti-rotation feature comprises two anti-rotation features that are circumferentially offset from one another around an axial end of the coupling member.
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