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6509841 |
System and method for communication between remote locations
A communication system transmits data between a plurality of locations. The communication system is suitable for use by a utility provider to monitor a plurality of metering devices from a remote...
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6460565 |
Fluid metering apparatus and method
A method and apparatus are described for controlling demand of a fluid. The method includes measuring a fluid supply pressure in a supply pipe, determining that the fluid supply pressure is lower...
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6262685 |
Passive radiator
An ERT (Encoder, Receiver, Transmitter) for monitoring the consumption of a metered commodity and having an ERT transmitter for transmitting a signal related to commodity consumption, the ERT...
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6239722 |
System and method for communication between remote locations
A communication system transmits data between a plurality of locations. The communication system is suitable for use by a utility provider to monitor a plurality of metering devices from a remote...
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6218995 |
Telemetry antenna system
A telemetry antenna system for transmitting data from underground utility meters includes a telemetry board, a radiator assembly connected to the telemetry board and a housing assembly for housing...
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6202679 |
Fluid metering apparatus
A method and apparatus are described for controlling demand of a fluid. The method includes measuring a fluid supply pressure in a supply pipe, determining that the fluid supply pressure is lower...
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6181294 |
Antenna for electric meter and method of manufacture thereof
For use with an electric meter chassis having a dielectric housing protruding therefrom, an antenna for allowing electric meter circuitry within the chassis to communicate wirelessly through the...
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6076542 |
Fluid metering method
A method and apparatus are described for controlling demand of a fluid. The method includes measuring a fluid supply pressure in a supply pipe, determining that the fluid supply pressure is lower...
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5986574 |
System and method for communication between remote locations
A communication system transmits data between a plurality of locations. The communication system is suitable for use by a utility provider to monitor a plurality of metering devices from a remote...
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5902927 |
Fluid metering apparatus and method
A method and apparatus are described for controlling demand of a fluid. The method includes measuring a fluid supply pressure in a supply pipe, determining that the fluid supply pressure is lower...
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5713240 |
Method and apparatus for automatic remote testing of backflow preventers
An apparatus and method for automatic and remote testing of check valves and backflow preventers. Pressure sensors have ports in communication with chambers upstream and downstream from a check...
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EP0463893B1 |
Two and three wire utility data communications system
Abstract of EP0463893 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...
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5636653 |
Fluid metering apparatus and method
An apparatus and method for metering fluid flow is disclosed. A fluid dispensing unit is coupled between a supply pipe and a demand pipe, and dispenses fluid received from the supply pipe to the...
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5619192 |
Apparatus and method for reading utility meters
An electronic meter reader having a transmitter and antenna for inductively transmitting alternating current power in any selected one of a plurality of frequencies. The reader further includes a...
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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...
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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...
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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...
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EP0240761B1 |
Meter data gathering and transmission system
Abstract of EP0240761 A utility data gathering system is disclosed as comprising a register including a series of index members coupled to a meter mechanism. Each index member includes a plurality...
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5168146 |
Bi-directional snap-action register display mechanism
A bi-directional snap-action register mechanism for an odometer-type mechanical register display. The mechanism includes at least one register display wheel and a bi-directional cam mounted...
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5155481 |
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...
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EP0499860A1 |
Flowmeter.
The invention relates to a flowmeter for determining a temperature-compensated rate of fluid flow. In order to carry out the measurement in a practical and reliable fashion, the flowmeter is...
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EP0463893A2 |
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...
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4893332 |
Low-powered remote sensor
A low-powered remote sensor is achieved by capacitively isolating a long duration perpetual timer which is powered by removing inductively coupled AC power from telephone lines or other long lines....
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4856054 |
Meter reader
A method of and apparatus for remotely reading at least one of a plurality of utility meters at a subscriber's location using the subscriber's non-dedicated telephone communication line is...
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4833618 |
System for automatically reading utility meters from a remote location
A system for automatically collecting and storing utility data and transmitting the stored data from the user premises to a remote location. The system comprises interface means for converting the...
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4758836 |
Inductive coupling system for the bi-directional transmission of digital data
A bi-directional, digital data transmission system is disclosed for transmitting an interrogation signal in a first direction from an interrogation unit to a data gathering transponder unit, and a...
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4749992 |
Utility monitoring and control system
A remote utility reading and control system includes a central utility use data bank which communicates by communications link with a plurality of relay modules located at power sub-distribution...
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4720851 |
Meter reader
A method of and apparatus for remotely reading at least one of a plurality of utility meters at a subscriber's location using the subscriber's non-dedicated telephone communication line is...
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EP0240761A1 |
Meter data gathering and transmission system.
A utility data gathering system is disclosed as comprising a register including a series of index members coupled to a meter mechanism. Each index member includes a plurality of contacts and a...
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4697182 |
Method of and system for accumulating verifiable energy demand data from remote electricity meters
A solid state electricity demand recorder (10) is controlled by a programmable microprocessor (38) to obtain energy demand survey and billing data. The accumulated count of pulses during a record...
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4685114 |
Waveform modulation system
An improved waveform modulation system for converting an input value having a known radix and a predetermined maximum number of digits into a waveform having successive intervals, by separating the...
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4672602 |
Control and routing system
A telemetry system connects with a telephone system for communication of data via subscriber telephone lines to a provider of data services. Connection of multiplexing circuitry to a set of...
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4652877 |
Meter data gathering and transmission system
A utility data gathering system is disclosed as comprising a register including a series of index members coupled to a meter mechanism. Each index member includes a plurality of contacts and a...
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4564918 |
Method and apparatus for measuring the time difference between two sampling times
Equidistant timing pulses are counted during the time between the arrival of a first pulse edge of a first signal sequence and the arrival of a following second pulse edge of another signal...
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EP0130475A1 |
Meter data gathering and transmission system.
A utility data gathering system is disclosed as comprising a register including a series of index members coupled to a meter mechanism. Each index member includes a plurality of contacts and a...
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4345323 |
Pulse duration digital multiplexing system
Method for multiplexing of digital data is disclosed, to enable simultaneous transmission/reception of a number of digital signals over a single communication channel. A plurality of inputs are...
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