| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307001000 | SUPERIMPOSED UNLIKE CURRENTS | 60 |
| 20090195064 | SMART CONTROL DEVICE - A control device, such as a device for connecting with and providing control data on a low voltage line, is provided disclosed. The control device includes a power supply that generates a DC voltage from an input voltage communicated via a low voltage line by a power source. The control device also includes a receiver that extracts timing data from the input voltage and output circuitry that is operable to communicate information to the power source via the low voltage line. | 08-06-2009 |
| 20090195063 | SMART POWER SUPPLY - A power supply, such as for powering and supplying communication data to devices connected with a low voltage line, is disclosed. For example, a converter device is coupled with an alternating current voltage source. The converter device down-converts an alternating current voltage to a direct current voltage. A switching device is in communication with the converter device. A processor is in communication with the switching device. The processor outputs a signal to the switching device. The switching device generates a square wave signal as a function of the signal from the processor and the direct current voltage. A remote device is controlled by data encoded in the square wave signal. | 08-06-2009 |
| 20130076118 | WIRE CONNECTING METHOD AND CONVERTER STATION FOR ULTRA-HIGH VOLTAGE DIRECT CURRENT POWER TRANSMISSION, AND ULTRA-HIGH VOLTAGE DIRECT CURRENT POWER TRANSMISSION SYSTEM - Connection methods for UHVDC transmission at rectification side and at inversion side, UHV converter stations at rectification side and at inversion side, and an UHVDC transmission system are disclosed. The present invention employs a manner of multiple drop points to solve the problem of poor security stability of electric grid caused by feeding a large amount of power via one point. | 03-28-2013 |
| 20130082516 | SIGNAL AND POWER TRANSMISSION SYSTEM - In a signal and power transmission system, a primary coil and a secondary coil magnetically coupled to the primary coil and connected to an electrical path are provided. An encoder encodes a target signal to be transmitted to produce a pulse code signal, and a voltage applying unit applies a voltage signal based on the pulse code signal to the primary coil as an input voltage signal. A decoder decodes an output voltage signal induced in the secondary coil using a variation in the output voltage signal into a decoded signal corresponding to the target signal. The output voltage signal is induced in the secondary coil based on the input voltage signal. A rectifier rectifies a current flowing through the electrical path connected to the secondary coil according to the output voltage signal induced in the secondary coil, thus outputting a rectified current as power. | 04-04-2013 |
| 20130057056 | POWERED DEVICE CLASSIFICATION IN A WIRED DATA TELECOMMUNICATIONS NETWORK - In a wired data telecommunication network power sourcing equipment (PSE) coupled to a powered device (PD) carries out an inline power discovery process to verify that the PD is adapted to receive inline power, then a plurality of classification cycles are carried out to convey a series of inline power classes back to the PSE. The series of inline power classes may all be the same, in which case the PD is legacy equipment and is adapted to receive the power level corresponding to that class. If they are not all the same, information is thus conveyed to the PSE which may, for example, correspond to a specific power level to be applied or to other information. | 03-07-2013 |
| 20130113275 | SWITCHING OF CONDUCTOR PAIR IN POWER OVER ETHERNET SYSTEM - Technique for providing power to a powered device (PD) over a cable having first and second sets of twisted pairs, such as signal pairs and spare pairs. Power Sourcing Equipment (PSE) circuitry is coupled via a first switch to the second set, e.g. to the spare pairs. A switch control circuit turns the first switch off to enable the PSE circuitry to perform a prescribed operation in connection with the PD over only the first set, e.g. over the signal pairs, and turns the first switch on to enable the PSE circuitry to perform the prescribed operation in connection with the PD over the first and second sets. | 05-09-2013 |
| 20110156477 | AUDIO SYSTEM ADAPTERS FOR AUDIO SIGNAL DISTRIBUTION USING ELECTRICAL EXTENSION CABLES - Audio cables used in deploying audio equipment are typically selected to minimize signal transmission losses and may be chosen based on a distance between, and terminations of, an amplifier system and a loudspeaker system. Since this is usually unknown prior to deployment, multiple audio cables with different sizes and terminations and a variety of electrical extension cords to connect to a power supply line are transported. A loudspeaker adapter for the loudspeaker system and an amplifier adapter for the amplifier system can be used to interconnect the two systems via electrical extension cords. This precludes the need for transporting a large number of audio cables, and allows for interconnecting the loudspeaker and the amplifier systems without prior knowledge of the distance between the systems. Safety hazards and component damage can also be minimized by not connecting a hot terminal in the AC connectors of the loudspeaker and amplifier adapters. | 06-30-2011 |
| 20120007422 | System and Method for Passing PLC Signals from a First Electrical Line to a Second Electrical Line - In accordance with one embodiment of the present disclosure, a method may include receiving, at a first plug link device prong, a Powerline Communication (PLC) signal from a first main electrical line. The method may further include transferring the PLC signal from the first plug link device prong to a first plug link device electrical line. The method may also include passing the PLC signal from the first plug link device electrical line to a second plug link device electrical line. The method may also include transferring the PLC signal from the second plug link device electrical line to a second plug link device prong. The method may also include sending, from the second plug link device prong, the PLC signal to a second main electrical line. | 01-12-2012 |
| 20080211302 | Assist device - The present invention provides a higher-performance assist device which is safer by using a wireless charging technique. The assist device includes a detecting portion and an assist device driving portion. The detecting portion includes a sensor, a first transmitting/receiving circuit, a first data processing circuit, a first charging circuit, and a first battery. The assist device driving portion includes a driving portion, a second data processing circuit, a second transmitting/receiving circuit, a second charging circuit, and a second battery. Electromagnetic waves are transmitted from the second transmitting/receiving circuit provided in the assist device driving portion, and the first transmitting/receiving circuit provided in the detecting portion receives the electromagnetic waves. Induced electromotive force generated at this time is input to the first charging circuit through the first data processing circuit provided in the detecting portion, and the first battery provided in the detecting portion is charged. | 09-04-2008 |
| 20110169326 | Method and apparatus for distributing powerline communications signals - A system for using Powerline Communications (PLC) as a means to solve various flat wire limitations. The PLC modem connects to the electrical power line and can communicate with devices on the powerline network. The PLC data is then coupled to the flat wire, which conducts the data to the end device. Encoding/decoding of the PLC data can be done either at the electrical power interface or at the device end of the flat wire. | 07-14-2011 |
| 20090267409 | POWER LINE COMMUNICATION APPARATUS - A power line communication apparatus includes power lines disposed independently and individually, for connecting various loads to a battery by way of fuses, respectively, an inductor means disposed at an end portion of each of the above-mentioned power lines on a side connected to the above-mentioned battery, and an information means for transmitting information by way of each of the above-mentioned power lines. | 10-29-2009 |
| 20100201188 | MAGNETIC ISOLATION OF POWER SOURCING EQUIPMENT CONTROL CIRCUITRY - A circuit for providing electrical isolation of Power Sourcing Equipment (PSE) circuitry from external circuitry in a Power over Ethernet (PoE) system has an inductive circuit for providing an isolation barrier to electrically isolate an isolated side of the isolation circuit from a non-isolated side of the isolation circuit. A signal path circuitry is configured for transferring bidirectional and/or unidirectional signals over the isolation barrier between respective nodes at the isolated and non-isolated sides. | 08-12-2010 |
| 20080217995 | Power Cable Line - In a DC power transmission and distribution line, a power cable line for making it possible to easily supply power to various electric power machines used for operation of the line is provided. | 09-11-2008 |
| 20100259097 | MODULAR POWERLINE ADAPTERS AND METHODS OF USE - Embodiments of modular powerline adapters are generally described herein. Other embodiments, examples, and related methods are also described herein. | 10-14-2010 |
| 20100225161 | Power mains distribution panel data link - A power mains distribution or breaker panel, and individual circuit breaker or relay therein having a circuit threacross providing a data path independent of the circuit breaker or relay operation. Alternate embodiments include circuits to control the data path and data path characteristics from data provided by either the line or load side of the power mains panel. | 09-09-2010 |
| 20100133899 | TWO-CONDUCTOR FIELD DEVICE FOR PROCESS AUTOMATION TECHNOLOGY FOR CONNECTING AT LEAST ONE SENSOR ELEMENT - A two-conductor field device for process automation technology for connecting at least one sensor element includes a first supply part, which via a first 2-conductor connection is connectable with a fieldbus. The field device is supplied completely with energy via the fieldbus. The two-conductor field device includes a second supply part, which is connected to the first supply part and which serves via a second 2-conductor-connection for energy supply of a sensor bus. Further provided are a fieldbus communication unit, which is connected with the first 2-conductor-connection and with the first supply part and which serves for data-exchange via the fieldbus, and a sensor bus communication unit, which is connected with the second 2-conductor-connection and the second supply part and which serves for data exchange via the sensor bus. Connected with the fieldbus communication unit, the sensor bus communication unit and the first supply part is a processing module. The fieldbus and the sensor bus are galvanically isolated from one another. | 06-03-2010 |
| 20100194189 | POWER DISTRIBUTING SYSTEM, POWER TRANSMITTING DEVICE, POWER RECEIVING DEVICE, POWER TRANSMITTING METHOD AND POWER RECEIVING METHOD - There is provided a power distributing system including at least one power transmitting device for transmitting power and at least one power receiving device for receiving the power transmitted from the power transmitting device. The power transmitting device includes a power generating means for generating power, and an information transmitting means for transmitting information containing power information related to the power generated by the power generating means and specific information on the power generating means, and the power receiving device includes an information receiving means for receiving the information transmitted by the information transmitting means and a power consumption control means for controlling consumption of power generated by the power generating means based on the information received by the information receiving means. | 08-05-2010 |
| 20110254365 | Connecting Apparatus for Connection of Field Devices - A connecting apparatus for connection of field devices comprising a bus connection for connection to a bus, a field device connection for connection for a field device, a power supply path and a signal path, wherein the power supply path and the signal path are arranged in parallel with one another between the bus connection and the field device connection such that a supply voltage carried on the bus is isolated from a signal, which is likewise carried on the bus, by a first coupling unit arranged in the power supply path and a second coupling unit arranged in the signal path. | 10-20-2011 |
| 20110254366 | DATA TRANSMISSION DEVICE - The invention relates to a data transmission device for transmitting data between an Ethernet connection ( | 10-20-2011 |
| 20100213759 | DIGITAL SWITCH COMMUNICATION - In one example, an electric circuit may be provided that is coupled to a line. The electric circuit may include a switch connected in series with a load, where the switch and the load are in series between two conductors of the line. The line may provide power to the load. The electric circuit may also include a resistive element connected in parallel with the switch and in series with the load. The switch may be configured to short circuit the resistive element when closed such that the voltage on the line varies between two voltage levels when the switch is opened and closed. The line provides power to the load when the switch is opened and when the switch is closed. | 08-26-2010 |
| 20100194190 | Midspan Powering in a Power Over Ethernet System - A midspan power sourcing equipment (PSE) for operation with power over Ethernet (PoE). The midspan PSE provides powering over wire pairs that are also used for data communication. To ensure compatibility with legacy Ethernet devices, the ports used for transmission of data are designed to present an increased level of inductance. | 08-05-2010 |
| 20080224536 | Transmission Line Structure for Power Line Communication and Power Line Switch Used Therein - A power line switch apparatus is provided for use in a power line communication system that transmits a signal through a power line that feeds a power supply current. In the power line switch apparatus, a switch section is inserted in the power line to make or break connection of the power line. A power line filter is connected in series to the switch section and inserted in the power line, the power line filter being used to pass the power supply current and to cut off the signal of the power line communication system. A by-pass circuit is connected in parallel with the series connection of the switch section and the power line filter, the by-pass circuit including a by-pass filter for cutting off the power supply current and passing the signal of the power line communication system. | 09-18-2008 |
| 20120098328 | Method And Apparatus For Distributing Power And Data On A Single Conductor Output Line - Light Emitting Diodes (LEDs) are increasingly used in illumination applications. To control multiple Light Emitting Diodes (LEDs), or any other controllable light source, this document introduces a single-wire multiple-LED power and control system. Specifically, individually controlled LED units are arranged in a series configuration that is driven by a control unit located at the head of the series. Each of the individually controlled LED units may comprise more than one LED that is also individually controllable. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the LED units in the series in a manner that allows each LED unit to be controlled individually or in assigned groups. | 04-26-2012 |
| 20120062026 | Power and Data Solution for Remote Low-Power Devices - Systems and methods include a voltage transformer connected to a power source. The voltage transformer transforms a high voltage of the power source to a first low voltage signal. Regulators are connected to the voltage transformer, and the regulators receive the first low voltage signal from the voltage transformer and convert the first low voltage signal to a second low voltage signal. A remote device is connected to each of the regulators. The remote device is powered by the second low voltage signal from the regulator to which it is connected. | 03-15-2012 |
| 20120319468 | POWER OVER ETHERNET PRIORITIZATION SYSTEM AND METHOD FOR SURVEILLANCE CAMERAS - The present invention provides a system and method for prioritized application of operational power receiving over a data transmission cable. The system includes a primary component, at least one secondary component, and a power supply. The system further includes a data transmission cable for transmitting operational power from the power supply to the primary component and the at least one secondary component, and for transmitting data between the primary component and a remote station. The system further includes a splitter for separating the operational power from the data received over the data transmission cable, and prioritizing delivery of the operational power to the primary component and the at least one secondary component, wherein at least a threshold level of power is delivered to the primary component, and available operational power in excess of the threshold level is delivered to the at least one secondary component. | 12-20-2012 |
| 20120319467 | Method and A Device for Reducing the Electricity Consumption Associated with a Communications Line - A method and device are provided for reducing electricity consumption associated with a communications line having a set of N carriers of predetermined power suitable for conveying information to a receiver device. The method is adapted to determine first and second groups, each having respectively at least one of the carriers of the set N; to determine a volume of information to be conveyed on the N carriers during a unit of time; and if the determined volume is less than a predetermined threshold, to allocate a power less than the predetermined power to the carriers of the second group, the power of the carriers of the first group being maintained. | 12-20-2012 |
| 20110273007 | NETWORK SYSTEM - Provided is a network system capable of effectively managing an energy source. | 11-10-2011 |
| 20130009459 | CONNECTING DEVICE FOR CONNECTING ELECTRICAL POWER SUPPLY LINES OF DRILLING AND PRODUCTION FACILITIES - A connecting device, for example, a plug ( | 01-10-2013 |
| 307002000 | AC and DC sources | 12 |
| 20130026820 | ANTENNA APPARATUS AND WIRELESS COMMUNICATION APPARATUS - According to one embodiment, an antenna apparatus comprises a leaky coaxial cable, an superposing circuit, a separation circuit, a terminator and an electrical apparatus. The superposing circuit configured to superpose a high frequency signal with a direct-current voltage and supply a transmission signal as the superposition result to the first end of the leaky coaxial cable. The separation circuit that is connected with the second end of the leaky coaxial cable and separates the high frequency signal and the direct-current voltage from the transmission signal transmitted through the leaky coaxial cable. The terminator configured to terminate the high frequency signal separated by the separation circuit. The electrical apparatus that is arranged nearby the second end of the leaky coaxial cable and is actuated by the direct-current voltage separated by the separation circuit. | 01-31-2013 |
| 20130026821 | DEVICE AND METHOD FOR CONNECTING AN ENERGY-CONVERTING TERMINAL - A device for connecting an energy-converting terminal to an electric power supply network and for exchanging data via the power supply network, a network connection for connecting to the power supply network, a communications unit for receiving and sending data over the power supply network, a logic unit for controlling the data exchange and for controlling or regulating the power of the energy-converting terminal, sensors and an associated signal processing unit for monitoring the energy-converting terminal, as well as a power section for controlling the energy flow to the energy-converting terminal are provided. The network connection, the communications unit, the logic unit, a sensor unit having sensors and the signal processing unit associated with the sensors and the power section are combined in an application-specific integrated circuit (ASIC). A corresponding method is also described. | 01-31-2013 |
| 20120181853 | SIMULTANEOUS DISTRIBUTION OF AC AND DC POWER - A system and method for the transport and distribution of both AC (alternating current) power and DC (direct current) power over wiring infrastructure normally used for distributing AC power only, for example, residential and/or commercial buildings' electrical wires is disclosed and taught. The system and method permits the combining of AC and DC power sources and the simultaneous distribution of the resulting power over the same wiring. At the utilization site a complementary device permits the separation of the DC power from the AC power and their reconstruction, for use in conventional AC-only and DC-only devices. | 07-19-2012 |
| 20090091182 | IMAGE FORMATION APPARATUS CAPABLE OF RECEIVING POWER FROM A PLURALITY OF POWER SOURCES AND CONTROL METHOD PERFORMED IN SUCH IMAGE FORMATION APPARATUS - A power supply unit selects one of drive power provided from an AC/DC conversion unit and that provided from a separation unit and outputs the selected drive power to a control unit and a transmission and reception unit continuously. If the AC/DC conversion unit and the separation unit both supply their respective drive powers, the drive power that has a higher voltage value, i.e., the first drive power, is selectively output. When the first drive power supplied is stopped, a diode transitions from the on state to the off state and a diode transitions from the off state to the on state. As a result the second drive power is selectively output. | 04-09-2009 |
| 20090195065 | INTEGRATED CIRCUIT WITH SUPPLY LINE INTRA-CHIP CLOCK INTERFACE AND METHODS FOR USE THEREWITH - An integrated circuit includes a first circuit and a plurality of first power supply lines for providing a first power to the first circuit. A first intra-chip clock interface generates a first clock signal on the first power supply lines. A plurality of second power supply lines are coupled to the plurality of first power supply lines and further couple a second power to the second circuit. A second intra-chip clock interface recovers the first clock signal from the second power supply lines. The second circuit operates based on the first clock signal. | 08-06-2009 |
| 20090189442 | Systems and methods for powering circuits for a communications interface - Embodiments include systems and methods of powering data communications transmitter circuitry using current sinked from biasing circuitry used to bias a transmission line between the data communications transmitter circuitry and data communications receiver circuitry. In some embodiments, the current sinked from the biasing circuitry is sourced by a power supply configured to power the data communications receiver circuitry. The current sinked from the biasing circuitry is then re-used to power the data communications transmitter circuitry. The data communications transmitter circuitry can be operated using less power overall than the prior art by re-using the current first used to bias the transmission line to power the data communications transmitter circuitry. Various embodiments include HDMI transceivers, DVI transceivers, and DisplayPort transceivers. | 07-30-2009 |
| 20100078992 | CIRCUIT DEVICE AND METHOD OF CURRENT LIMIT-BASED DISCONNECT DETECTION - In a particular embodiment, a power sourcing equipment (PSE) device includes at least one network port adapted to couple to a powered device to provide power and optionally data to the powered device via a network cable. The PSE device further includes a current limiter circuit coupled to the at least one network port and having an adjustable threshold. The PSE device also includes a logic circuit coupled to the current limiter circuit and adapted to reduce the adjustable threshold of the current limiter circuit to have a threshold level that is below a nominal operating current level. After a period of time has elapsed during which the current limiter circuit is not activated, the logic circuit is adapted to determine that the powered device is disconnected from the at least one network port. | 04-01-2010 |
| 20110140511 | ELECTRIC POWER TRANSMISSION SYSTEM FOR WIND TURBINE AND WIND TURBINE FARM AND METHOD FOR OPERATING SAME - A method of operating a wind turbine includes energizing at least a portion of a power conversion assembly via an alternating current (AC) power source. The method also includes converting AC power to direct current (DC) power having a DC component and an AC component via the power conversion assembly. The method further includes transmitting the DC component and the AC component through a DC power transmission line. The method also includes separating the DC component from the AC component. The method further includes transmitting the AC component to at least one wind turbine electrical device. | 06-16-2011 |
| 20080315682 | Powered device for power over ethernet system with increased cable length - A Powered Device (PD) in a Power Over Ethernet system that supports increased cable lengths of more than 100 m is provided herein. The proposed PD design requires no modifications at the PSE side. Embodiments include example modifications of IEEE 802.3af PD system rules, including example modifications of PD classification and port voltage ranges to enable increased cable length PoE. | 12-25-2008 |
| 20100026086 | TWO-WIRE ADDRESSING SCHEME - A two-wire communications system is disclosed. The disclosed communications system uses a distributed power line and a distributed common line to transmit messages. A power transistor is operated to transmit either a logical high or a logical low using the two signal lines. | 02-04-2010 |
| 20120248863 | Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations - A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in series to form a serial string. An inverter is coupled to the serial string. The inverter converts power input from the serial string to output power. A signaling mechanism between the inverter and the power module is adapted for controlling operation of the power modules. | 10-04-2012 |
| 20120280563 | TIME-DOMAIN MULTIPLEXING OF POWER AND DATA - Circuits, methods, and apparatus that may allow an electronic device to control a power adapter. One example may provide an electronic system where an electronic device may control a power adapter through a communication channel. Data transferred in the communication channel may include the temperature of the power adapter, the charging capability of the adapter, and other types of data. In one example, power and data may share the same two wires, and the power and data may be time-division multiplexed. That is, the two wires may convey power and data at different times. Another example may include circuitry to detect a connection between the electronic device and the power adapter. Once a connection is detected, power may be transferred from the power adapter to the electronic device. This power transfer may be interrupted on occasion to transfer data between the power adapter to the electronic device. | 11-08-2012 |
| 307003000 | Different frequencies or phase | 19 |
| 20130076119 | SYSTEMS AND METHODS TO EMULATE HIGH FREQUENCY ELECTRICAL SIGNATURES - Some embodiments teach an electrical device configured to emulate a high frequency electrical noise signal on an electrical power line. The electrical device can include: (a) a monitoring module configured to detect usage of electrical power from an electrical power line by a first one of one or more electrical appliances; (b) an emitter module configured to generate an emulated high frequency electrical noise signal, the emulated high frequency electrical noise signal emulates electrical noise from a switch mode power supply; (c) a first electrical coupling mechanism configured to couple to a first one of the one or more electrical outlets; and (d) a second coupling mechanism configured to couple to the first one of the one or more electrical appliances. Other embodiments are disclosed. | 03-28-2013 |
| 20110278917 | APPARATUS AND METHOD FOR COUPLING RF AND AC SIGNALS TO PROVIDE POWER TO A MULTIPOLE IN A MASS SPECTROMETER - An apparatus and method for coupling RF and AC signals to provide power to a multipole in a mass spectrometer is provided. A first circuit comprises: an RF power source for providing difference mode power to the multipole via the RF signal; at least one inductor for forming at least one resonant LC circuit with the multipole for providing voltage gain for the RF signal; and a transformer, comprising a secondary tap, the transformer connected in parallel to the RF power source and further connected to the at least one inductor such that the signals injected into the secondary tap are communicated to the at least one resonant LC circuit. A second circuit comprises: an AC power source for providing common mode power to the multipole via the AC signal, an output from the second circuit connected to the secondary tap such that the common mode power is injected into the first circuit and the multipole can be operated in common mode and difference mode simultaneously; and at least one inductor for forming a resonant LC circuit with the multipole via the transformer, to provide voltage gain for the AC signal. | 11-17-2011 |
| 20110204711 | SYSTEMS AND METHODS FOR DETECTING DATA COMMUNICATION OVER A WIRELESS POWER LINK - A wireless power supply system that detects communications in the input power to the switching circuit. In this aspect of the invention, the wireless power supply includes a detector for generating a signal indicative of the current in the input to the switching circuitry, a band-pass filter for filtering the detected signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream. In a second aspect, the wireless power supply system includes a detector for generating a signal that varies in dependence on changes in the phase relationship between the current and the voltage in the primary-side tank circuit, a band-pass filter for filtering the signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream. | 08-25-2011 |
| 20090261651 | Power Supply and Communications System for a Passenger Aircarft - The invention relates to a combined supply and communications system for transferring data between a data server and at least one of several terminal devices over a power supply cable wherein the data server and each of the several terminal devices are each connected to the power supply cable over an incoupling/decoupling unit. | 10-22-2009 |
| 20080290729 | ETHERNET INTERCONNECTION APPARATUS AND METHOD - An Ethernet interconnection device and method. The apparatus includes an input Ethernet connector, a signal separating circuit electrically connected to the input Ethernet connector, a voltage regulator circuit electrically connected to the signal separating circuit, an Ethernet signal repeater circuit electrically connected to the signal separating circuit, and an output Ethernet connector electrically connected to the Ethernet signal repeater circuit. The receiving circuit receives a first voltage signal and an Ethernet data signal from an Ethernet cable. The signal separating circuit separates the first voltage signal from the Ethernet data signal. The voltage regulator conditioning circuit generates a second voltage signal from the first voltage signal. The second voltage signal is a power source the Ethernet signal repeater circuit. The output Ethernet connector is configured to electrically conduct an regenerated Ethernet data signal from the Ethernet signal repeater circuit to an industrial/commercial device. | 11-27-2008 |
| 20080303343 | Power Line Communications System and Power Line Communications Method - The power line communications system of the present invention comprises a power line L that has a plurality of branch lines LB | 12-11-2008 |
| 20080303344 | POWER LINE COMMUNICATIONS SYSTEM - A power line communications system includes slave apparatuses individually connected to multiple electric power line wirings; a master apparatus connected to one of the multiple electric power line wirings; and couplers each connected between the master apparatus and the others of the multiple electric power line wirings. The master apparatus includes a communicator for performing power line communications with the slave apparatuses via the electric power lines; a power supply terminal device connected to the one electric power line wiring; a communication connector provided between the communicator and the power supply terminal device; and a coupler connecting terminal device connected to each of the couplers via a signal line. The communication connector has a first capacitor connected to the power supply terminal device for cutting off a frequency component of commercial power supply and transmitting a frequency component for use in the power line communications, and a first transformer connected between the first capacitor and the communicator. The coupler connecting terminal device is connected between the first capacitor and the first transformer. | 12-11-2008 |
| 20100225162 | Power mains transformer data bridge - A circuit and system having an inductive data link from one or more user-side phases to a plurality of line-side phases by individual data transformers having a winding coupled to the particular phase by a high-permeability ferrite material. The resulting connection across the primary (or primaries) and secondary (or secondaries) selectively provides and efficient coupling of data in a multi-phase environment including step-down distribution transformers and “Δ”-to -“Y” configured circuits while maintaining isolation at the power line frequency. Further embodiments include transfer to selected phases or single-phase applications, and selective signal-pass or -reject filtering. | 09-09-2010 |
| 20080231111 | OUTLET ADD-ON MODULE - A method and an apparatus for upgrading an existing service outlet (e.g. LAN, telephone, power or CATV outlet) in a house by adding functionality thereto. The functionality is added by an add-on module, connected electrically and secured mechanically to the existing outlet. Several attachment devices are exampled, including surface attachment, side clamping, snap locking, strap securing and fastening screws. The add-on module may include a service connector for retaining the basic existing outlet function. The module may be attached in a permanent way or by using a detachable solution. | 09-25-2008 |
| 20080258551 | Communication circuit for a digital electronic dimming ballast - A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The communication circuit comprises a receiving circuit for detecting when the digital ballast communication link is shorted and for providing a received digital message to the control circuit. The communication circuit also comprises a transmitting circuit for shorting the communication link in response to the control circuit. The communication circuit also includes a high-voltage fault protection circuit for protecting the circuitry of the communication circuit if the communication circuit high-voltage mains voltages. The communication circuit is operable to reliably transmit digital messages having improved rise and fall times. The communication circuit draws acceptable amounts of current when the communication link is alternatively in idle and active states. | 10-23-2008 |
| 20090134699 | Signal Coupling Apparatus For Power Line Communications Using A Three-Phase Four-Wire Power Line - A signal coupling apparatus for power line communications includes an impedance matching transformer and a transmission mode control circuit for high data rate power line communications on a three-phase four-wire distribution line. Therefore, it is possible to improve the efficiency of power line communications, to minimize signal loss, and to construct an optimal high voltage distribution path. | 05-28-2009 |
| 20120119568 | DEVICE AND SYSTEM FOR COMMUNICATING ON A SUPPLY LINE - This system ( | 05-17-2012 |
| 20120126612 | AC-DC POWER SUPPLY UNIT AND ASSOCIATED DEVICE - An external power supply unit (PSU) for an appliance includes rectification circuitry operable to convert an AC voltage from mains power lines to a DC voltage output, decoupling circuitry operable to decouple a broadband data signal from the mains power lines, timing circuitry operable to provide a signal representative of the mains AC voltage timing, and conveyance circuitry operable to convey the DC voltage output, a ground reference signal, the signal representative of the mains AC voltage timing, and the broadband data signal to the appliance, wherein the conveyance circuitry has no more than four conductors. The timing circuitry may be further operable to modulate the signal representative of the mains AC voltage timing onto either the DC voltage output or the broadband data signal. The timing circuitry may be a zero-crossing detector. | 05-24-2012 |
| 20100026087 | POWER LINE COMMUNICATION APPARATUS - To improve a communication performance of a communication apparatus by configuring a communication board provided with a PLC signal processor so as to be used in common in other apparatuses, the communication apparatus which performs communication through a power line and a transmission medium different from the power line includes: a power board which is provided with a power unit connected to the power line; an interface board which is separately formed from the power board and is provided with an interface for performing communication through the transmission medium; and a communication board which is separately formed from the power board and the interface board and is provided with a power line communication unit for performing communication through the power line and a connection unit electrically connectable to the power board and the interface board. | 02-04-2010 |
| 20120313428 | COMMUNICATION SYSTEM AND ELECTRONIC CHOKE CIRCUIT - The object of the invention is to propose a communication system using an electronic choke circuit which has impedance slightly varied with a load variation and is prevented from having negative resistance and can stabilize circuit operation. A terminal device includes an electronic choke circuit separating DC power supplied from a management device and a communication signal from each other. The electronic choke circuit includes a variable impedance element constituted by a transistor having its collector and its emitter respectively connected to a first terminal and a third terminal, and an inductor and a resistor connected in series with the variable impedance element. A series circuit of a first resistor and a first capacitor is interposed between the first terminal and a second terminal, and the first capacitor has its one end connected to a base of the variable impedance element. A second capacitor is interposed between the third terminal and a fourth terminal. A second resistor suppresses a phenomenon that resistance characteristics of a circuit between an input terminal and an output terminal have a negative resistance region within a frequency band including a frequency of the communication signal. | 12-13-2012 |
| 20120228927 | COMMUNICATION SYSTEM AND COMMUNICATION TERMINAL - A transmitting circuit is connected to a communication line and configured to transmit a primary signal, being a current signal, to the communication line by changing a current flowing from a transmission unit via the communication line. A receiving circuit is configured to receive a secondary signal which is generated by converting the primary signal transmitted from the transmitting circuit to a voltage signal by a current/voltage converter provided between the transmission unit and the communication line. Specifically, the primary signal, being a current signal transmitted from a communication terminal, is converted to the secondary signal being a voltage signal by the current/voltage converter. As a result, communication can be performed even when the impedance of the communication line is reduced, facilitating introduction of a communication system. | 09-13-2012 |
| 20080309158 | Transmission System for Interchanging Information Data Between an Electrical Load and an Upstream Converter - A transmission system for exchanging information data between an electric load having an emitter and a converter having a receiver is disclosed. The converter and the load are connected by a multi-phase supply cable which is connected to a sinus filter having in-line coils and filter capacitors connected across the phases. An inductive component is integrated in the electric circuit formed by the transmitter, a phase conductor of the supply cable and the receiver, wherein the core of the inductive component already saturates even if the current is significantly less than a rated current of the electric load. This transmission system for information data exchange is easy to implement and enables stable data transfer. | 12-18-2008 |
| 20110273008 | INTEGRATED CIRCUIT WITH SUPPLY LINE INTRA-CHIP CLOCK INTERFACE AND METHODS FOR USE THEREWITH - An integrated circuit includes a first circuit and a first power supply line for powering the first circuit. A first intra-chip clock interface generates a first clock signal on the first power supply line. A second power supply line is coupled to the first power supply line and further powers the second circuit. A second intra-chip clock interface recovers the first clock signal from the second power supply line. The second circuit operates based on the first clock signal. | 11-10-2011 |
| 20130020861 | Method And A Device For Impressing A Measuring-signal Voltage On A Power Supply Network - A method and device for impressing a measuring-signal voltage (U) on a power supply network in which a generator signal (U | 01-24-2013 |
| 307004000 | Different voltages | 1 |
| 20090236907 | Low Voltage Control Interface Coupler For Multipulse Transmitter - A method for causing, in a power distribution network, an oscillation allowing data to be transmitted, includes connecting at least one capacitive load in series with a modulation circuit between two wires of the network. The amplitude modulation circuit includes at least one Zener diode and at least one switch. A short make pulse is applied to the switch such that it is conductive and short-circuits the Zener diode by modulating the amplitude of the network voltage. The duration of the make pulse is such that the amplitude modulation of the network voltage causes a response of the network in the form of a high-frequency oscillation of the network voltage. | 09-24-2009 |
