Power line coupling device and method of using the same
Patent 7046124 Issued on May 16, 2006. Estimated Expiration Date: January 21, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
370/293, Duplex repeaters or extenders381/2, Broadcast or multiplex stereo340/870.15, With plural receiver333/112, Having lumped parameters or impedances307/3, Different frequencies or phase333/207, Tunable307/149, MISCELLANEOUS SYSTEMS340/529, Condition persistence340/870.02, With meter reading324/127, Transformer (e.g., split core admits conductor carrying unknown current)340/870.38, Resistive transmitter307/40, Code-controlled363/137, D.C. to plural phase455/151.4, Plural electronic devices controlled324/548, Capacitor323/361, Polyphase or plural transformers381/98, INCLUDING FREQUENCY CONTROL361/64, With communication between feeder disconnect points375/214, Including pulse regeneration or conversion455/402, Over power line381/77, ONE-WAY AUDIO SIGNAL PROGRAM DISTRIBUTION370/392, Processing of address header for routing, per se333/202, Wave filters including long line elements307/18, Plural sources of supply375/257, CABLE SYSTEMS AND COMPONENTS340/870.07, Combined (TM system with other system)370/204, Plural diverse modulation techniques375/142, Having correlation-type receiver340/870.28, Via radiant energy beam (via particular energy)375/240, BANDWIDTH REDUCTION OR EXPANSION361/44, With differential sensing in a polyphase system336/92, Internal inductor support324/142, Watts725/150, Power signal over network324/126, With coupling means (e.g., attenuator, shunt)455/457, Location display307/66, Storage battery or accumulator340/2.1, Path selection375/286, MULTILEVEL307/104, ELECTROMAGNET OR HIGHLY INDUCTIVE SYSTEMS348/22, SLOW SCANNING TRANSMISSION (E.G., STILL FRAME)361/69, Pilot wire communication370/296, Convertible to half duplex307/91, Magnetic or electrostatic field control (e.g., shielding)375/147, Receiver379/56.2, Including fiber optic link within telephone network340/870.11, Plural transmitters379/379, With optical link between line and switching system385/16, Switch (i.e., switching from one terminal to another, not modulation)363/21.13, Having digital logic375/152, Matched-filter-type receiver702/60, Power parameter307/106, WAVE FORM OR WAVE SHAPE DETERMINATIVE OR PULSE-PRODUCING SYSTEMS257/678, HOUSING OR PACKAGE307/105, WITH HARMONIC FILTER OR NEUTRALIZER370/335, Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)370/389, Switching a message which includes an address header370/485, Subscriber carrier307/89, ANTI-INDUCTION OR COUPLING TO OTHER SYSTEMS370/295, Frequency division323/359, Potential transformer370/469, Processing multiple layer protocols703/18, Power system370/449, Polling375/219, TRANSCEIVERS709/208, MASTER/SLAVE COMPUTER CONTROLLING333/177, Transformer coupled714/749, Retransmission if no ACK returned361/118, Surge prevention (e.g., choke coil)375/222, Modems (data sets)323/207, Using converter725/79, Using existing power network336/175, CORE SURROUNDING LINEAR CONDUCTOR370/463, Details of circuit or interface for connecting user to the network336/170, THREE OR MORE WINDINGS600/13, Electromagnetic coil375/309, Keying circuits370/502, Bus extenders333/25, Balanced to unbalanced circuits324/601, Calibration370/208, Particular set of orthogonal functions370/390, Replicate messages for multiple destination distribution324/74, TESTING AND CALIBRATING ELECTRIC METERS (E.G., WATT-HOUR METERS)307/39, Condition responsive324/539, Multiconductor cable379/322, Power supply333/24R, COUPLING NETWORKS700/291, Energy consumption or demand prediction or estimation375/297, Power amplifier380/277, KEY MANAGEMENT713/300, COMPUTER POWER CONTROL370/480, Combining or distributing information via frequency channels717/136, Translation of code385/24, Plural (e.g., data bus)455/560, Switching unit detail (e.g., mobile telephone switching office (MTSO), base station controller (BSC), etc.)385/15, WITH OPTICAL COUPLER375/303, Frequency shift keying375/329, Phase shift keying370/352, Combined circuit switching and packet switching361/113, With tuned circuit455/426.1, Including other radio communication system (e.g., cordless telephone, paging, trunking, etc.)709/231, Computer-to-computer data streaming375/148, Multi-receiver or interference cancellation336/178, WITH CLOSED CORE INTERRUPTED BY AN AIR GAP455/66.1, Having diverse art device336/82, COIL FORMS PROTECTIVE CASING370/232, Based on data flow rate measurement370/412, Queuing arrangement174/36, Conductor only370/466, Converting between protocols700/1, GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS714/800, Parity bit361/119, In communication systems702/62, Including communication means370/338Contiguous regions interconnected by a local area network
The coupler of the present invention couples broadband RF signals to and from a power line conductor. The coupler of one embodiment that is for use with overhead power lines includes a length of URD MV cable with the neutral conductor removed and that is communicatively coupled to a MV power line at each end on opposite sides of a low pass filter. A radio frequency choke is communicatively coupled to URD MV cable between first and second coupling capacitors. The semi-conductive jacket of the URD cable may be coupled to ground via a low frequency conductive path.
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