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5912633 Mains signalling systems  
A control unit for a remote metering system of a mains supply system having plural consumer meter units arranged so messages can pass between the meter units and the control unit includes a router...
5898387 Modular meter based utility gateway enclosure  
A modular meter based utility gateway enclosure which resides between a power meter and a meter socket of a residence or other building supports multiple interchangeable local area network (LAN)...
5892758 Concentrated subscriber wireless remote telemetry system  
A concentrated subscriber wireless remote telemetry system which uses low-cost remote communication devices operating on existing wireless communication systems in order to provide real-time...
5889467 Method of monitoring a leakage rate from the envelope of high voltage electrical apparatus  
The method consists in: i) making a series of recordings of the density of the gas at regular time intervals during a nighttime period by means of a temperature-compensated pressure sensor fixed...
5880677 System for monitoring and controlling electrical consumption, including transceiver communicator control apparatus and alternating current control apparatus  
A system that monitors and controls electrical power consumption that will be retrofitted to a typical consumer electrical power arrangement (typical arrangement-electrical feed line from a...
5880464 Optical meter reader using a shadow  
A meter reader for reading a meter by reading a shadow made by a meter pointer on the face of the meter. The meter reader includes a light source for shining a light toward the meter, a pulse...
5877703 Utility meter transmitter assembly for subsurface installations  
An improved assembly (10) for housing electronics for remote reading of meter reading data in a subsurface enclosure (11) includes a first inner enclosure (40) of metal for housing the...
5874731 Ambient light filter  
An ambient light filter includes light emitting circuitry and optical detection circuitry. The detection circuitry is positioned to detect light from the emitting circuitry. A microprocessor is...
5874903 RF repeater for automatic meter reading system  
An automatic meter reading system utilizes repeater technology to access hard to read meters within a fixed network structure. The components of the radio system that are needed for two-way...
5870140 System for remote meter viewing and reporting  
A system for remote meter viewing and reporting. The system comprises a remote camera located at the meter. The remote camera is coupled to a central computer through a communications channel. In...
5859596 Switchyard equipment monitoring system and communications network therefor  
A plurality of monitoring devices are connected to respective pieces of switchyard equipment and associated with a common communications network. A remote host computer is connected to the network...
5856791 Port expander for utility meter reading  
An electronic expander (12) allows for reading a plurality of utility meters (14) with an interrogation device (30) via a common electronic access point (16) wherein the interrogation device (30)...
5852409 Telemetry  
A remote telemetry metering system, includes one or more battery-powered metering units and a central data collection unit, each including a radio transceiver. The central data collection unit...
5841369 Parking meter with peripheral functions  
A parking meter construction having an upper and lower housing with payment means for receiving coins or a payment card. A microprocessor and other electronic components are included on a PC board...
5842187 Electricity monitoring system  
An apparatus associated with a public electricity distribution network to determine charges for the supplied electricity where the period during which consumption is measured (the metered period)...
5838258 System for monitoring the use of heat energy in water devices in an individual unit of a multi-unit building  
A system for monitoring the use of heat energy in water devices in an individual unit of a multi-unit complex wherein the multi-unit building is supplied water from a common source and the...
5835025 Portable battery operated power managed event recorder and interrogator system  
A data acquisition apparatus that includes a recorder device of an event's ime and date signified by the opening of an external trigger switching circuit in combination with a complimentary...
5831550 System and process for the measurement of the electric energy consumption of a plurality of consumers  
The present invention refers to a centralized system and process for measuring, registering, reading and billing data referring to electric energy consumption of a plurality of consumers (14-17),...
5825303 Sealed housing and method of sealing for apparatus in meter pit enclosures  
A sealed housing for a transponder unit (10) in a utility meter pit enclosure has a tube (28), approximately 33/4 inches long and 11/2 inches in diameter, in which transponder electronics carried...
5825302 System and method for transmitting data using reflected electromagnetic radiation  
A system for transmitting data, comprising an interrogator (14) for transmitting an interrogation signal, a plurality of data collectors (12) for collecting data, a plurality of transponders (11)...
5818354 Animal monitoring system  
An animal collar with a pair of sensors for detecting the heartrate and temperature of the animal, an encoder for encoding the information for a specific animal, and a radio frequency transmitter...
5815089 Device for transmitting signals from position detector and method of such signal transmission  
A transmitting device, for transmitting position detector signals, comprises a controller for processing signals on various kinds of data from an object of interest; a position detector that has a...
5808558 Remote universal send/receive utility usage data gathering system  
A universal utility usage data gathering system that is capable of operating with any other remote data gathering system, regardless of protocol, such as a standard Supervisory Control And Data...
5805052 Cable system for signal transmission  
The system provides for one single cable with four electrical conductors (16 to 19). Two of the conductors (18, 19) form a field bus line for the signal transmission, and the other two conductors...
5801643 Remote utility meter reading system  
In a method for transmitting a desired parameter to a remote location, the desired parameter is first communicated to a base transmitter. Then, the base transmitter transmits a first radio signal...
5796250 Plural rotary member position encoder having electromagnetically coupled resonant frequency multiplexed outputs for respectively associated rotatable members  
An apparatus for indicating the angular position of a rotatable member includes a drive coil with its axis corresponding to the axis of rotation of the rotatable member. A coil is wound around the...
5774529 Apparatus to provide a remote display of the operating condition of a water treatment system  
An apparatus for providing a remote display of the operating condition of a water treatment system having an electronic control utilizing a voice grade telephone system. A tone generator is...
5767790 Automatic utility meter monitor  
A self-contained automated meter reader system for monitoring a plurality of channels for gas, electricity and water utilities, has additional channels dedicated to normally closed alarm signals...
5764155 Dynamic data exchange server  
A dynamic data exchange (DDE) server which allows external programs to access power management data is presented. The DDE server provides a mnemonic cross reference between register items and...
5764158 Meter reading data transmissiion system and method of using same  
The meter reading data transmission system includes a transmission unit having a meter reading transmitter coupled to a meter. The transmission unit further has an associated node for sending...
RE35793 Measuring and monitoring system  
A system for monitoring power usage of various devices at remote facilities is described. The system employs sensors at each facility to sense the on/off condition of the devices. A processor at...
5748104 Wireless remote telemetry system  
A wireless remote telemetry system which uses low-cost remote communication devices operating on existing wireless communication systems in order to provide real-time reading and control of remote...
5731526 System for displaying the amount of fluid dispensed from a hand-held sprayer  
A system for displaying a units categorized value corresponding to the cumulative amount of fluid dispensed from a delivery system having a hand-held nozzle with a trigger actuable by an operator...
5719563 Fixed site monitor using a location-based communications network  
A method for monitoring and controlling remote site parameters by using a location-based communications network. The system uses monitoring and control devices that are located at remote locations...
5719564 Utility meter reading system  
A method for communicating utility usage-related information from a plurality of meter modules to a plurality of data accumulator units, each of which periodically transmits data to a control...
5715390 Method and apparatus for providing upgrades in electricity meters  
An electricity meter having a protected enabling scheme for activating meter options and upgrades is presented. The meter has a unique serial number, which includes bit-flags indicating which...
5691715 Method and apparatus for detecting fraudulent power line communications signal  
A method and apparatus for detecting signals transmitted via a power line to a node which have a source address portion equal to the predetermined address of an electrical metering device, but...
5684472 Method and apparatus for remotely accessing meter status information in a meter reading system  
A meter reading system (10) for reading meter status information from meters (150) includes a meter reading device (15) for transmitting messages at a first data rate, i.e., a higher data rate,...
5682422 Apparatus and method for on-demand activation of telephone line telemetry devices  
A telemetry device is provided which communicates over a phone line to a central host station. The telemetry device includes a plurality of meter ports. In one embodiment, the host station...
5677947 Apparatus and method for operating a telephone line telemetry device in a multiple host environment  
A telemetry device is provided which communicates over a phone line with one of a plurality of host stations. The telemetry device includes a plurality of meter ports and a memory for storing host...
5673331 Method and apparatus for reading meters from a video image  
A method and system to enable acquisition of data about an environment from one or more meters using video images. One or more meters are imaged by a video camera and the video signal is...
5668538 Modular electricity meter arrangement having remotely controllable switch  
An electricity meter includes input terminals to which, in use, a main electricity supply is connected, output terminals via which, in use, electricity is fed to a consumer, a switch via which...
5664202 Intelligent power consumption monitoring and control system  
An intelligent power consumption monitoring and control system is provided. The system is composed of a computer with management software, a group of communication controllers consisting of...
5659300 Meter for measuring volumetric consumption of a commodity  
Disclosed is a meter for mounting in flow-sensing relationship to a pipeline conductor or electrical line having a commodity such as water, natural gas or electricity flowing through it. In one...
5659303 Method and apparatus for transmitting monitor data  
A method and apparatus for transmitting data from a monitoring station using frequency hopping and interval hopping as described. The output frequency of a transmitter in the monitoring station is...
5648726 Remotely accessible electrical fault detection  
The invention relates to a remotely accessible electrical fault detection system. According to one preferred embodiment, the system includes a weather-resistant housing having a mount adapted for...
5644173 Real time and/shed load based on received tier pricing and direct load control with processors for each load  
A method of employing add/shed routines to individual load controllers in a system for a building or plant that has more than one load. It allows for cooperative adjustments of energy usage in...
5635895 Remote power cost display system  
A remote electrical power meter display system for indicating to a consumer the actual costs associated with electrical power use includes two units: a wattmeter/transmitter for detecting...
5633794 Data communication system capable of bypassing malfunctioning relay units  
In a data communication system having a network composed of a central facility, a plurality of relay units, and a plurality of terminal units, traffic information, which may contain information...
5631636 Method of reducing power consumption in a remote meter reading system  
A remote meter reading system (10) includes a remotely accessible meter interface unit (12). The meter interface unit (12) is operable in an activated mode and in an inactivated mode. The meter...