Matches 51 - 100 out of 295 < 1 2 3 4 5 6 >
Match Document Document Title
6911900 System and method for electronically signalling along a fence line  
A system for electronically signalling along a fence line, comprising one or more transmitter device(s) for connection to the fence line from which control signals or information may be sent along...
6859669 Apparatus and method of controlling activation of home automation system  
An apparatus controlling activation of a home automation system to prevent electric home appliances from being simultaneously activated. The activation control apparatus has an activation control...
6844809 Passive optical network backhaul for powerline communications  
System, apparatus and method for connecting a passive optical network (“PON”) to a power line communications (“PLC”) network using a PLC HeadEnd installed at the PON to provide for...
6775596 Information processing system, information processing apparatus and method, recording medium, and program  
A simple, safe domestic network for electric appliances in which data is sent by modulating the voltage or current signals of power supply and corrections are made in response to electric...
6759946 Home appliances network  
A network enables remote users to communicate with, and to control a variety of devices whose only electrical connection is to a power line network. In hybrid networks, communications between...
6750781 Appliance control system utilizing bidirectional power line communications  
A control system for controlling operations of a plurality of electric appliances in distributed arrangements. Each of a plurality of controllers is connected between the power line and respective...
6737984 Automatic meter reading system using locally communicating utility meters  
A low cost frequency shift keying communications system for communication between utility meters within a local area network and for communication with a central database. Transmitters coupled to...
6734784 Zero crossing based powerline pulse position modulated communication system  
A transmitting controller is connected to an AC powerline and on command places a series of signal pulse in the powerline in a series of signal timing windows related to zero voltage crossing...
6731201 Communications module and system  
A communications module adapted to be received by an appliance having an appliance controller is provided. The module includes a communications protocol translator. The communications protocol...
6674806 Transmitting and receiving system for digital communication on electric power-lines  
A transmitting and receiving system for digital communication on electric power-lines comprises a transmitting device and a receiving device. The transmitting device consists of an input terminal,...
6633228 Communication system for simultaneous two-channel transmission of data between subscribers  
A communication system having at least two communication subscribers unidirectionally or bidirectionally exchanging data that are electrically connected to one another via at least one network...
6597137 Method and device for transmitting and receiving a control signal to a vehicle  
The invention relates to a method for transmitting a control signal to a vehicle which is driven using an electrical drive current which is fed into a traction current conductor at a drive current...
6592081 Electronic code generating circuit for use in railroad signaling systems  
An electronic code transmitter is disclosed for driving a number of code following relays of a railroad signaling system. The electronic code transmitter comprises a timing circuit and a driving...
6577230 Network for data and energy transfer  
For a network comprising at least two lines and network users, both a transfer of data and a terminal for energy transfer through the network are realized in that the two lines ( 1, 2 ) of the...
6570493 Method and apparatus for operating an electrical device  
A method and apparatus for communication of information along electric power lines. Control messages are generated and transferred between a switch and an associated load coupled by an electric...
6567474 Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK)  
A system for communicating signals between a transmitter and a receiver using digital modulation techniques is provided. This invention is particularly adapted to meet the requirements of power...
6563419 Control and data transmission system  
The invention is based on the object of making available a control and data transmission system which uses simple components to permit current-modulated data transmission via a serial bus, and...
6532268 Receiving apparatus and transmitting/receiving system  
A transmitting/receiving system and a receiving apparatus wherein a plurality of information signals having mutually different frequency bands processed through predetermined modulation are...
6522243 Geometric harmonic modulation signaling and detection  
A communication system includes a transmitter configured to pulse shape a GHM signal to confine the frequency spectrum of the GHM signal within a predefined frequency range. A receiver is also...
6522626 Power line communications system and method of operation thereof  
An Orthogonal Frequency Division Multiplexed (OFDM) power line communications system comprising a power line for distributing electricity to a plurality of premises and a communication station...
6509831 Coupler for digital communication on electric power-lines  
A coupler for digital communication on electric power-lines comprises an input connector connected with first electric power-lines, an output connector connected with second electric power-lines,...
6507573 Data transfer method and system in low voltage networks  
This invention relates to a method for data transmission in two-way communication via low-voltage systems that are linked to a higher order telecommunication network. Data transmission takes place...
6496104 System and method for communication via power lines using ultra-short pulses  
Bipolar Gaussian pulses are utilized to modulate digital data to communicate information via standard power lines. The pulses are sent in a pulse train, at set intervals. Modulation is accomplished...
6437686 System for monitoring airport equipments utilizing power-line carrier  
A power-line carrier airport facilities monitor system, comprising a host station and respective terminal for monitoring individually the object facilities via a rubber transformer are connected in...
6424250 Communication system utilizing modified geometric harmonic modulation  
A communication system for communicating a modified geometric harmonic modulated (GHM) signal on a power line is described. The system includes a transmitter for transmitting a GHM signal having a...
6417762 Power line communication system using anti-resonance isolation and virtual earth ground signaling  
A method and system for transmitting and receiving high-frequency electrical communication signals over a previously installed building power line network is presented, in which minimal or no...
6414968 Transmission and detection of data in a dual channel transceiver  
A dual channel transceiver which operates at two different frequencies and which may be used in a network using older transceivers operating at a single frequency is disclosed. A pilot tone is...
6396392 High frequency network communications over various lines  
An apparatus for high frequency electrical line communication includes a transmitter, a receiver, a modem, and a coupler at each of two or more locations along an electrical line. The couplers have...
6377163 Power line communication circuit  
A power line communication circuit comprises a rectifier connected to an a.c. power line utility source. The rectifier draws power from the a.c. power source and produces a low-frequency rectified...
6373377 Power supply with digital data coupling for power-line networking  
A power supply provides digital data coupling for power-line networking. The power supply includes a power supply side digital interface to transmit and receive a digital data passed through a...
6373375 Method for data transmission in a vehicle  
A method for data transmission from control devices to a display, which also makes possible retrofitting of a reversing aid system since it transmits the data via existing supply line(s) of further...
6369699 Single-cable transmission device for signals and power supply of a surveillance system  
The present invention provides a single-cable transmission device for signals and a power supply of a surveillance system, which only requires a single cable to transmit various signals and a power...
6288632 Apparatus and method for power line communication (PLC)  
The invention provides a transmitter and a signal for communicating information via a power line. The signal comprises a superset and the superset comprises a plurality of tone sets. The superset...
6288631 Power-line carrier communications system  
An object of the present invention is to provide a reliable power-line carrier communications system having a resistance to high-level impulse noise synchronized with power-cycle frequency in...
6281784 Information and control communication over power lines  
Power line installation wires which carry electricity to energize devices connected to the wires can also be used simultaneously to carry other electrical signals that convey information or control...
6249213 Method for transmitting information over an alternating current power line through a plurality of frequency orthogonal subchannels  
One embodiment of the present invention is a method for transmitting information over an AC power line. A frequency channel for transmitting the information is selected and divided into a plurality...
6243413 Modular home-networking communication system and method using disparate communication channels  
A modular home-networking communications system which uses a physical layer modulation scheme suitable for transmission in both RF and powerline communication channels. The modulation system is...
6229433 Appliance control  
An automated appliance control system includes a unit which transmits binary coded address and function control signals along the a.c. power line to a plurality of appliance control modules...
6218931 Home-appliance network with nodes identified by direct-sequence spreading codes  
Described herein is a network interface for coupling residential appliances into a code-division multiple access (CDMA) network. The network is used to convey appliance control signals and...
6194866 Arrangement and a method relating to exchange of digital information between devices comprising electric circuitry  
An electric arrangement, a battery pack and methods for transmitting digitally encoded information from a first electric device to a digital processor in a second electric device, and a battery...
6194996 Information transfer via power line carrier  
A signal superposing apparatus designed, in accordance with a basic power line model taking account of the term of the mutual inductance and that of a self inductance of a transformer connected to...
6188314 Energy distribution and communication system and method utilizing a communication message frame for a multi-device vehicle occupant protection system  
A system (10) conveys energy and communication between a master (16) and a plurality of slaves (18, 20), via a bus (14). A power/voltage transmitter (44) of the master (16) provides electrical...
6172597 Electricity distribution and/or power transmission network and filter for telecommunication over power lines  
A power transmission network (40) is disclosed which includes an input of telecommunication signals having carrier frequencies greater than 1 MHz onto the network, and a removing similar speech...
6157292 Power distribution grid communication system  
A communication system arrangement uses powerline distribution systems to broadcast a signal from the distribution station to individual households. The signal is coded, using a spread spectrum...
6151480 System and method for distributing RF signals over power lines within a substantially closed environment  
A system for distributing RF signals to users over power lines in a structure. The system includes a head end unit that receives RF signals in a first frequency range to be distributed to users in...
6144292 Powerline communications network employing TDMA, FDMA and/or CDMA  
A communications apparatus is adapted for use with a mains electricity transmission and/or distribution network. The communications apparatus includes a signal transmission and/or reception means,...
6144291 Bit encoding in home control systems  
A system for electronic communications using electrical power lines in a building includes a plurality of components that are connected for communications among themselves through the electrical...
6140940 Assembly for signal transfer between a transmitter location and a receiver location  
In an assembly for signal transmission between a transmitter location and a receiver location connected to each other by a two-wire conductor an analog signal current, variable between two limit...
6115429 Data receiving method for receiving data through predetermined clear zones of a powerline  
A data receiving method used in a powerline environment is used for converting a modulated signal received from a powerline over a data period within a predetermined clear zone after one zero...
6101214 Power line communications spread spectrum symbol timing and random phasing  
A system for spread spectrum power line communications employs a harmonic modulation (HM) transmitter coupled to the power line for transmitting message bits to an HM receiver. The spread spectrum...
Matches 51 - 100 out of 295 < 1 2 3 4 5 6 >