Class 340/538.15 - Bi-directional (e.g., with transceiver)

Subclass of Class 340 - Communications: electrical
Definition: Subject matter including a communicating terminal which
No. of patents: 32
Last issue date: 02/02/2010

Number	Title	Issue Date
7656289	Apparatus for monitoring an inside of a manhole An apparatus for monitoring an inside of a manhole in which the inside of the manhole is monitored using a simple communication and power supply unit is closed. The apparatus comprises power cables installed inside a manhole, a connecting unit connecting the corresp...	02/02/2010
7652568	Tracking of containers Monitoring device modules (10) in containers on a ship are polled by a tracking proxy (12). Monitoring data is thus captured, and the proxy 12 can ascertain in real time that the correct group of containers is present. The proxy (12) also...	01/26/2010
7425895	Reader device for contactless reading of transponder data Described is a reader device for contactless reading of transponder data via an electromagnetic field having a read antenna connected to a receiving circuit for demodulation and preparation of transponder data. The reader device includes a digital signal proc...	09/16/2008
7420459	Powerline networking device A powerline network device includes both power suppression and networking functions, and passes through power and data signals. The networking functions can include one or more of hub, router, and/or switch function, and therefore can form a subnet of devices plugge...	09/02/2008
7417535	Apparatus and method for converting a low voltage AC wiring circuit to a high speed data communications link An apparatus for converting a low voltage alternating current (AC) wiring circuit to a high speed data communications link, comprising a primary coupling circuit and a secondary coupling circuit. The apparatus provides low voltage AC power to a data device and coupl...	08/26/2008
7378952	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...	05/27/2008
7372280	Method and system for transmitting an information signal over a power cable The invention relates to a method for inputting an information signal into a power cable which is connected to a voltage supply and which includes at least one or more conductors, a dielectric provided around the conductors and a conductive earth sheath arranged who...	05/13/2008
7339484	Event-driven discovery method and apparatus Provided is a method and apparatus for performing discovery between devices in a network. Using event-driven discovery, devices conserve energy resources and more rapidly join a given network. The event-driven discovery detects a common-event associated with a first...	03/04/2008
7327222	Transmission system for transmitting data via current conducting branches A system and method for transmitting and receiving data between a power supply and a remotely located load, by use of standard data communication cable has functional data transmitted via the power line of such data communication cable in order to decrease the numbe...	02/05/2008
7321295	Adapter for automobile use and in-vehicle system using this adapter A signal processing section 11 decodes an in-vehicle device signal S3 supplied to signal input terminals 141 to 14n and generates a decoded signal S2. An output terminal 13 is connected with a terminal device 30	01/22/2008
7312694	Capacitive couplers and methods for communicating data over an electrical power delivery system Capacitive couplers and methods for communicating data over an electrical power delivery system are disclosed. A device for coupling a signal onto a conductor of an electrical power delivery system includes a conductive member having a length of at least six inches ...	12/25/2007
7254740	System and method for state preservation in a stretch cluster A system and method for preserving the data content of a network having a cluster is provided in which each of the network interface controllers of the servers of the cluster includes a copy of a set of data. Each of the network interface controllers includes a loca...	08/07/2007
7248158	Automated meter reading power line communication system and method An automated meter reading power line communications system is provided, which may include 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 device, wirelessly tran...	07/24/2007
7231535	Ethernet card for connection to a local network, for controlling connection to a communication terminal An Ethernet card (CL) is dedicated to the connection of a communication terminal (UE) to a local network via an Ethernet connection (CX). The terminal (UE) can be powered electrically by first power means (MAP), and includes a first internal bus (PCI1). The c...	06/12/2007
7193406	Data transmitting and receiving apparatus In a TEDS system, a data transmitting and receiving apparatus is provided and a signal transmitted from a TEDS memory to an apparatus side is logically inverted without using a transformer, and further a sneak signal is prevented. Inverters 28, 30 and ...	03/20/2007
7170394	Remote current sensing and communication over single pair of power feed wires Disclosed is a novel technique for transferring power and signals between two electrical devices over a single wire pair. In particular, a remote sensor is connected to a host device. Power to the remote sensor is supplied through a voltage reference and control loo...	01/30/2007
7154381	System and method for operating a sensed power device over data wiring According to the present invention, a power source delivers power to a networked device over network cabling (e.g., Ethernet cabling) in one of two modes: a low power mode and a high power mode. The power source begins delivering power at a low power level in the lo...	12/26/2006
7149937	Information processing method and system with execution thresholds allowable to input data errors An information processing method is provided which allows each shop in a cyber shopping site to continue its operation even if some errors of merchandise data are found in each of a plurality of data processes. More specifically, an error rate of input merchandise d...	12/12/2006
7148788	Method for transmitting high-frequency signals to low-frequency networks and corresponding system It is a known fact that even information signals in the kilohertz and megahertz range can be transmitted via the bus systems of power transmission networks. The invention provides a method and a system for improving the transmission behavior by feeding the signals n...	12/12/2006
7123140	Network for remote administration of street lighting inter alia and methods to carry out said administration A wireless network for remotely controlling at least one lamp includes a first radio transceiver associated with the at least one lamp and a second radio transceiver. The first radio transceiver further includes a circuit for controlling the at least one lamp as a f...	10/17/2006
7091847	Alarm system having improved communication In a fire alarm system, a message is sent on a pair of power lines to a notification appliance. The notification appliance responds to the message by activating one or more of its notification devices. In a standby mode, only enough power is supplied to the plural n...	08/15/2006
7030761	Multi-resolution object location system and method A multi-resolution object location system and method for locating objects is provided. The multi-resolution system and method uses a long-range object locator together with a more precise RFID locator to efficiently and accurately determine the location of objects t...	04/18/2006
7016770	Output unit, receiver unit, data transmission for a motor vehicle and corresponding method The invention relates to the use of a first coding or decoding rule for a normal operation and of a second coding or decoding rule for a particular operation. Said invention provides the opportunity for speedily transmitting data between different satellite devices ...	03/21/2006
7015798	Method and system for bidirectional data and power transmission A method and system for bidirectional data and power transmission are shown and described. An exemplary embodiment comprises a current receiver, including a microprocessor and a driver, and a plurality of nodes connected to the current receiver through a plurality o...	03/21/2006
4724381	RF antenna for transmission line sensor A radiating antenna system for a self-contained sensor module mounted on a power transmission line. The module is capable of measuring various parameters such as line current, voltage, conductor temperature, and ambient temperature. The parameter values a...	02/09/1988
4644320	Home energy monitoring and control system A home energy monitoring and control system for monitoring the electrical energy usage of a plurality of appliance loads. The system includes an energy monitor unit for each appliance load which plugs into a standard AC wall outlet and monitors power cons...	02/17/1987
4622535	Receiving circuit for a data transmission system A data transmission system for transmitting and receiving data over a transmission line includes a receiving station having a receiving circuit for simultaneously detecting current and voltage signals including the data in the transmission line and applyi...	11/11/1986
4608552	Process and device for the remote transmission of signals and application to the detection and/or measurement of the quanity of combustible gas in an atmosphere A process of remote transmission of signals issued by at least one sensor over a transmission line, wherein the power necessary to supply the sensor is transmitted by that line in the form of an alternating current signal of approximately constant intensi...	08/26/1986
4580276	System and method for transporting data A private local area network (LAN) is created for use with a variety of transmission media for the purpose of exchanging data preassigned addresses, and control signals according to simplified protocols. The LAN members can consist of any combination of c...	04/01/1986
4527247	Environmental control system An environmental control system for use in greenhouses or other structures requiring the control of a temperature regulating element in response to sensed temperatures. The environmental control system includes a plurality of sensor elements and actuator ...	07/02/1985
4446458	Monitoring and control system A carrier current security monitoring and control system utilizes the alternating current power distribution system for residential, commercial, and industrial applications employs a synchronously gated, stable radio frequency carrier. A continuously supe...	05/01/1984
4123748	Burglar alarms utilizing ultrasonic waves Burglar alarms utilizing ultrasonic waves in which ultrasonic waves transmitted from a wave transmitting oscillator are reflected by such objects as doors, windows, floors, walls, etc. and such reflected ultrasonic waves will be received by a wave receivi...	10/31/1978

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Class 340/538.15 - Bi-directional (e.g., with transceiver)