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5493287 Method of remotely reading a group of meters  
A remote meter reading system (10) includes a group of meter interface units in which each meter interface unit (12) is operable in an inactive state, and in which each meter interface unit (12) is...
5491473 System for remote data collecting, method implemented in this system and data collector device  
At each local data collection site, the local collection devices are arranged so as to identify and collect the data originating from acquisition devices, which data is transported on a first...
5490078 Article file control system  
An article file control system includes a host computer for controlling a master article file (which includes article data of various department articles including data items of article codes and...
5488565 Tamper detection methods and apparatus for load management terminals  
Apparatus and methods are claimed for detecting tampering with a load management terminal, wherein the terminal has a load control relay coupled to a power line for selectably decoupling the load...
5485150 Remote data read system  
A remote data read system includes a plurality of accumulators including first transmission/reception sections of an electromagnetic induction type, and a handy terminal including a second...
5477216 Electrical metering device and associated method for temporarily storing data during transmission of the data to a remote communications device  
In one embodiment, the present invention is an algorithm implemented in a microprocessor-controlled system which, for example, is disposed within an energy meter housing. Particularly, the...
5473322 Apparatus and method for sensing tampering with a utility meter  
A device for detecting tampering of a utility meter includes sensors to detect a positional displacement of the meter and loss of power to the meter. On sensing a positional displacement of the...
5469153 Method of serially processing binary characters asynchronously received by an electrical energy meter  
A method of processing binary characters received by an electrical energy meter includes the step of generating a clock signal internal to the meter so that asynchronously received serial data can...
5469365 Power monitor unit  
A unit monitors power and reports to a central location. The unit receives an A/C power signal to be monitored, senses a zero crossing of the A/C power signal, and delays an interval so as to...
5459459 Method and apparatus for transmitting data from an energy meter  
The present invention, in one embodiment, is an algorithm for implementation in a meter register and an reading device. In the one embodiment, the present invention enables selecting a display...
5451937 Universal generator interface module  
A module for interfacing a variety of metering pulse generators converts an analog pulse from a generator into a digital pulse which can be counted by automatic meter reading equipment. A charging...
5451938 RF meter reading system  
The RF meter reading system includes a transmitter having an encoder. Meter data is encoded and modulated using a bi-phase modulating scheme. In order to uniquely identify the start of a data...
5448229 Method and apparatus for communicating with a meter register  
A method and apparatus for writing a command to a communications unit of a meter, effecting the execution of the command, and reading the results of the execution includes an electrical metering...
5438329 Duplex bi-directional multi-mode remote instrument reading and telemetry system  
The remote instrument reading and telemetry system of the present invention includes at least one instrument link interconnected to a data gathering device and a remote station interrogation...
5430430 Method of managing electric power on the basis of tariff schedules, in a network within a dwelling or the like  
The invention relates to a method allowing the management of electric power on the basis of the tariff schedules in force in a network (20) within a dwelling. The method according to the invention...
5428351 Method and apparatus for sharing passwords  
The method and apparatus for sharing passwords includes an electronic meter comprising a metering unit, a register unit, an optical port, and a communications unit. An external reading device, such...
5420799 Circuit breaker - associated backpack unit for lower-link communication with a PC computer monitoring system and energy monitoring system using a plurality of such backpack units  
A PC computer monitors the energy consumed at a plurality of local stations placed behind the electrical meter of the utility company for individual billing of the local users, a bidirectional...
5416475 Remote meter reading receptacle for pit lid mounting  
A remote meter reading receptacle for pit lid mounting includes an annular, cup-shaped housing containing a ferrite coil and electronic circuit board. This housing is mounted within an outer shroud...
5408523 Electronic remote data recorder with facsimile output for utility AC power systems  
A stand-alone electronic measuring instrument for measuring AC (alternate current) power parameters on a utility distribution system wherein the measurement results are communicated telephonically...
5355513 Transponder with reply frequency derived from frequency of received interrogation signal  
A transponder includes a receiver for receiving a radio interrogation signal. The transponder also includes a phase locked loop decoder for deriving a reference signal from the received...
5311581 Remote meter reading method and apparatus  
A remote meter reading system has equipment at a telephone company office coupled by modems to a utility company computer which issues requests for customer data. Telephone test trunks are used to...
5298894 Utility meter transponder/antenna assembly for underground installations  
A remote meter reading arrangement in which utility consumption data accumulated in an electronic metering unit located within an underground enclosure is transmitted via radio frequency signals to...
5283572 Utility meter interface circuit  
An interface to facilitate storing in an electric utility meter transponder, water usage data so that when remotely interrogated, access can be had to both electric and water usage data. A pulse...
5278551 Meter reading system  
A meter at each user's house has a bar-coded user number shown thereon, and has a display section for displaying a reading. A data input terminal unit has a bar code reader for reading the user...
5270704 Autonomous pulse reading and recording system  
An autonomous pulse reading and recording system is aimed at expediting centralised reading of meters generating or sending out pulses, likewise expediting consumption billing. The system is...
5252967 Reader/programmer for two and three wire utility data communications system  
A two wire/three wire utility data communications system for remotely reading utility meter registers. In the two wire version, a hand-held reading unit is inductively coupled over two wires via a...
5243338 Two and three wire utility data communications system  
A two wire/three wire utility data communications system for remotely reading utility meter registers. In the two wire version, a hand-held reading unit is inductively coupled over two wires via a...
5241306 System and method for introducing meter sensor hysteresis  
A method and system for accurate remote reading of an electricity meter including an optical detection arrangement, including a light emitter and sensor, have positioned in the light path...
5239575 Telephone dial-inbound data acquisition system with demand reading capability  
A telephone dial-inbound data acquisition system with demand reading capability. The system has particular application for remotely reading utility meters. A remote data unit (RDU) dials up a host...
5214587 Device for monitoring utility usage  
A device (10) for monitoring utility usage comprising a meter sensor assembly (16) attached to a utility meter (14) and a customer interface unit (20) placed inside a building (12). Sensor signals...
5204896 Outbound telemetry device  
A outbound telemetry device type of meter interface unit (MIU) is provided which enables the automated collection of utility consumption information from a telephone subscriber's site via a...
5198796 Outbound signal detector system and method  
In a communication system in which outbound information in the form of multi-bit messages is carried by cyclic waveforms over an electric power distribution network, the signal is detected...
5194860 Radio telemetry systems with channel selection  
A radio telemetry system for collecting the readings of consumer's electricity consumption meters includes a master station (1) carried by a vehicle (1) and a plurality of transponders (3), each of...
5184064 Encapsulated meter with optical programmer  
A totalizer and rate meter is totally enclosed within a permanently sealed, fluid tight body formed of a low cost, transparent epoxy material. The meter can be programmed in the field by means of...
5181241 Lead line supervision system  
A data transmission system uses a malfunction detection circuit for detecting malfunction conditions between a data transmitting station and a data receiving station connected with first and second...
5179376 Substation load distribution monitor system  
The monitoring and control system of the present invention provides a distributed intelligence, data acquisition and control system which collects and analyzes large amounts of data representing...
5170051 Elastic gripping optoelectronic sensor for an energy consumption meter  
The optoelectronic sensor is intended to be placed in a domestic energy consumption meter which comprises a rotary member (2) whose rotational speed is a function of energy consumption. The sensor...
5160926 Display transducer apparatus  
A display transducer adapter for obtaining and displaying power system information from a protective relay. The information includes watt, voltage, current, reactive power, and fault location...
5159335 Switched capacitance automatic meter reading device  
A humidity and temperature resistant apparatus for determining the orientation of a rotatable meter hand relative to a dial spaced apart from a meter hand that creates and depletes a charge between...
5136286 Switched capacitance meter reading device using variable width electrodes  
A humidity and temperature resistant apparatus for determining the orientation of a rotatable meter hand relative to a dial spaced apart from a meter hand that creates and depletes a charge between...
5111407 System for measuring and recording a utility consumption  
A system for measuring and recording a utility consumption such as water, for example. A mechanical meter measures and displays the utility consumption in conventional manner and also produces an...
5107440 Electrical load management with autogenically transmitted status data  
To allow a tester to test whether a switching arrangement near a customer's premises has connected and reconnected loads according to load management command signals from a central utility...
5089771 Reading device for a watt-hour meter  
In a watt-hour meter for metering electricity consumption of the type including: a disc mounted to a rotation shaft and a register mechanism. The watt-hour meter is further provided with a reading...
5079715 Electronic data recorder for electric energy metering  
An electronic remote data recorder records pulses representing usage of a commodity such as, for example, water, gas or electricity from a plurality of consumers. The data from each consumer is...
5053766 Telemetering system for electrical power consumed by various users  
The telemetering system for electrical power consumed by various users converts the units of electrical consumption for each user into signals which may be transmitted and may be read by the...
5045776 Metering apparatus  
Metering apparatus with a bank of number wheel indicators has wiper and position contacts to provide an electrical indication of the meter reading. The contacts are scanned in a measurement mode...
5032833 Adaptive network routing for power line communications  
Optimum routing for communications between a central control unit (CCU) and remote units (nodes), such as electricity meters, distributed on an electrical power line is established by broadcasting...
5025470 Automatic meter reading system with malfunction protection  
An output metering pulse signal is developed by measuring impedances at input terminals which are connected through lead wires to a metering unit shifted between low impedance and high impedance...
5014213 System for use with polyphase utility meters for recording time of energy use  
A system for use with polyphase electric meters having a rotatable disc for recording time of energy use. The system includes a cover, a sensor means, a first module, and a second module. The...
5010335 Optical port multiplexer for electric metering equipment  
A single optical port in an electric meter is multiplexed between at least two internal systems by using a multiplexer circuit which has a set of data lines which can be connected to the optical...