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| Number | Title | Issue Date |
| 8188853 | Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system A communication system includes communication protocols that allow a single network or multiple neighboring networks to increase resource sharing and reduce mutual interference and increase their overall throughput. Various protocols apply to homogenous networks in ... | 05/29/2012 |
| 8188854 | Method of data transmission embedded in electric power transmission and a charging stand and battery device using transmitting coil current change to receive that data transmission The method of data transmission embedded in electric power transmission disposes a transmitting coil 11 and a receiving coil 31 in close proximity, transmits electric power in a non-contact fashion from the transmitting coil 11 to the receiving ... | 05/29/2012 |
| 8179250 | Power management interface A power management interface is provided and includes a switch, a transmitting circuit, and a receiving circuit. The switch is coupled to an AC power line for controlling a power line signal to a load. The transmitting circuit generates a switching signal to control... | 05/15/2012 |
| 8174379 | Networked power and communication receptacle devices A network of power and communication receptacle devices having a plurality of power and communication receptacle devices. Each power and communication receptacle device has at least one power receptacle, at least one communication receptacle, and a power cable assem... | 05/08/2012 |
| 8174380 | Electronic device dock with replicating status indicator An adapter may couple an electronic device to a host such as a computer. When coupled in this way, the host may transfer media files to the device. The host may also supply power to the electronic device using power lines in the adapter. The electronic device may ha... | 05/08/2012 |
| 8154400 | System comprising a plurality of electrical switches, especially for a magnetic levitation railway line A system includes a plurality of electrical switches. Every switch is associated with at least one monitoring device for detecting the respective switching condition of the switch. All of the monitoring devices are interconnected through a data connection through wh... | 04/10/2012 |
| 8149106 | Apparatus and method for data communication over power lines A method and apparatus for transferring communication data over power lines, the power lines comprising multiple phase transmission lines and a neutral line. The method includes inserting the communication data between multiple lines, typically between the different... | 04/03/2012 |
| 8149105 | Systems and devices for broadband communication with an alarm panel A communications system for an alarm panel including: an alarm panel adaptor in operable communication with the alarm panel generating analog alarm signals; a first powerline communications device in operable communication with a the alarm panel adaptor converting t... | 04/03/2012 |
| 8138910 | Uninterruptible power supply unit To allow multiple power line communication (PLC) devices to communicate with one another via power lines without being affected by the power supply state of an uninterruptible power supply unit coupled among the PLC devices. Multiple modem means 32 for transm... | 03/20/2012 |
| 8134458 | Communication apparatus and method A communication apparatus (1) for communicating over an electrical power cable (3). The communication apparatus (1) comprises a transmitter circuit (5) adapted to transmit a communication signal; and a receiver circuit (6) adapted ... | 03/13/2012 |
| 8115605 | Power line communications device in which physical communications protocol layer operation is dynamically selectable A power line communications PLC transmitter and receiver device includes a physical communications protocol layer that provides for dynamic selection of a communications signal transmission operating mode from a plurality of such modes, where each has a correspondin... | 02/14/2012 |
| 8111148 | Method and apparatus for bi-directional communication with a miniature circuit breaker A wireless electrically isolated plug-n-play communications system for branch circuit breakers. The system providing means for automatically connecting the wireless electrically isolated communication system between the branch circuit breaker and a communications st... | 02/07/2012 |
| 8106765 | Electrical power source connection with fault safeguards Means for connecting a local electrical power source to the wiring of a building wiring. A branch circuit monitor module can be installed as part of a branch circuit that includes a circuit breaker and a power receptacle and having safe operating ranges for current ... | 01/31/2012 |
| 8072323 | Power-line carrier communication apparatus The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from transmission data, a wavelet inverse transforming device for modulating the resp... | 12/06/2011 |
| 8063767 | Communications interface accessory for power system arrester A communications interface accessory for an electric power system arrester is described. The communications interface accessory includes a housing and a communications interface positioned within the housing. The communications interface is configured to complete a ... | 11/22/2011 |
| 8063768 | Modem apparatus Provided is a modem apparatus of power line communication using a power line as a transmission path. The modem apparatus includes: an amplifier for amplifying communication signals and outputting a differential signal obtained from a pair of output signals having a ... | 11/22/2011 |
| 8040235 | Relay apparatus and electric appliance A relay apparatus includes a plurality of connecting terminals, such as a modem connecting terminal, a power line connecting terminal, an electric appliance connecting terminal and an antenna line connecting terminal; a selector that selects at least one connecting ... | 10/18/2011 |
| 8035507 | Method and apparatus for stimulating power line carrier injection with reactive oscillation Stimulating power line carrier injection with reactive oscillation comprises exciting a tank circuit to oscillate at the carrier frequency by sinking pulses of current between one node of a capacitor in the tank circuit and the other node of the capacitor. A power t... | 10/11/2011 |
| 8022821 | 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... | 09/20/2011 |
| 7994908 | Vehicle and information apparatus of vehicle An information apparatus of a vehicle that allows the request for the required information to be reliably made is provided. When a vehicle and a charging device are connected to each other for transmission and reception of electric power in order to charge a main ba... | 08/09/2011 |
| 7986219 | Power line communication system A power line communication system includes: a first electronic instrument and a second electronic instrument, wherein information is received or transmitted between the first electronic instrument and the second electronic instrument which are connected through a co... | 07/26/2011 |
| 7961090 | Method and system for controlling LED with power line carrier A method and a system for controlling LED with power line carrier are disclosed. The system contains a host controller, an electric power conductor, and at least a luminous device, and the luminous device further containing an environmental data collection module. T... | 06/14/2011 |
| 7956738 | Process field device with radio frequency communication A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for r... | 06/07/2011 |
| 7907050 | Power supply communication system and method A system and method for configuring and monitoring devices utilizing a power line network is provided herein. Each network device (e.g., programmable logic controller, machine, or sensor) contains a power line interface to facilitate communication over a power line ... | 03/15/2011 |
| 7876212 | Security system There is provided a security system for an electrical device connected to a mains electricity supply, the security system comprising a confirmation transmitter interposed between the electrical device and the mains electricity supply. The transmitter is arranged to ... | 01/25/2011 |
| 7859397 | Systems and methods for direct current system digital carried message conveyance The systems and methods of the present invention provide for conductive emissions communication without requiring dedicated communications wires. The systems and methods have the capability to send digital messages over the same wires that are used to power DC, syst... | 12/28/2010 |
| 7852206 | Vehicular power line communication system Plural communication areas are provided, and plural electronic control units for mutually making communication in each of the communication areas are provided. A vehicular power line communication system includes a power line coupling the respective communication ar... | 12/14/2010 |
| 7830248 | Networking and multimedia adapter for power outlets A power outlet adaptor device having a housing, at least one multimedia, networking and/or communications component, and an electrical socket box including at least one electrical socket is provided. The multimedia, networking, and/or communications component is sec... | 11/09/2010 |
| 7800491 | Power-line carrier communication apparatus The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from transmission data, a wavelet inverse transforming device for modulating the resp... | 09/21/2010 |
| 7701330 | Power line communication network security system The present embodiments provide methods, apparatuses, and systems for use in implementing security systems. Some embodiments provide methods that receive a remote alarm message broadcast across an external power line communication (PLC) network at a first internal P... | 04/20/2010 |
| 7683777 | Method and system for audio distribution in installations where the use of existing wiring is preferred When an audio distribution system is installed, it is normally required to install wiring between the audio source or sources, and all of the speakers that are installed throughout a building or structure. The installation of this wiring is normally time consuming a... | 03/23/2010 |
| 7675408 | Power line communication system, device and method A signal is received from a first portion of a power line via a connection to the power line and at least a portion of the signal is converted to a non-electrically conducting signal. The non-electrically conducting signal may be communicated to a non-electrically c... | 03/09/2010 |
| 7626497 | Power line communication vegetation management system and method A system for detecting the contact of vegetation or other objects with a power line conductor and that may provide an automated notification thereof is provided. In one embodiment, the system may assess one or more power line communication links to determine baselin... | 12/01/2009 |
| 7576643 | Sensor for measuring physical variables and for passing on the measured variable, circuit having such a sensor and method for operating the sensor and the circuit A sensor for measuring a variable, in particular a physical variable, includes at least one converter element converting the variable into an electrical signal. At least one electronic signal processing unit conditions and/or processes the electrical signal to provi... | 08/18/2009 |
| 7525423 | Automated meter reading communication system and method An automated meter reading power line communications system is provided, which may include, in one embodiment, measuring the utility usage of a first customer premises to provide first utility usage data, storing the first utility usage data in memory of a first dev... | 04/28/2009 |
| 7504938 | Security system and monitoring method using power line communication technology A pressure sensor portion includes a plurality of pressure sensors arranged in a plurality of rows and a plurality of columns inside a pressure-sensor-equipped carpet. The pressure sensor portion senses a pressure applied to the surface thereof and outputs a pressur... | 03/17/2009 |
| 7498935 | Power-line carrier communication apparatus The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from transmission data, a wavelet inverse transforming device for modulating the resp... | 03/03/2009 |
| 7468657 | System and method for detecting noise source in a power line communications system A method for detecting noise location information in a power line distribution system is disclosed. In one embodiment, the method includes the steps of receiving link quality data for a first power line communication link between a first and second power line commun... | 12/23/2008 |
| 7466225 | Power line communication system and method of operating the same A system for operating a power line communications system is provided. One embodiment is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass device, communic... | 12/16/2008 |
| 7453352 | Data communication over a power line Data signals are communicated between a power line and a computer, wherein the power line provides power to the computer via a distribution transformer and the computer is in communication with a wireless communication path. A first data signal is communicated with ... | 11/18/2008 |
