Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters
Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127)
04/1988
04/20/1988CN85109355B Detector for detecting danger of advanced explosion in electric dynamite
04/06/1988CN87209537U Automatic time accumulator for power supply line
12/1987
12/23/1987EP0250202A2 Commodity metering system
12/15/1987US4713609 Battery backup installation for electric meter
12/09/1987EP0248137A1 System for accumulating verifiable energy demand data from remote electricity meters
12/09/1987EP0248000A1 Packaging for electronic demand register
12/02/1987EP0247029A1 Memory programmer interface for electronic demand register
10/1987
10/14/1987CN86101442A Milimeterwave full band power meter
10/07/1987EP0240102A2 Power meter having self-test function
09/1987
09/29/1987US4697182 Method of and system for accumulating verifiable energy demand data from remote electricity meters
09/29/1987US4697181 System for accumulating verifiable energy demand data from remote electricity meters
09/29/1987US4697180 System for accumulating verifiable energy demand data from remote electricity meters
09/15/1987US4693119 Lithium battery energy monitor
09/08/1987US4692874 Electronic watt-hour meter
08/1987
08/19/1987EP0232763A1 Electronic electricity meter
08/19/1987CN86203847U Program-controlling electricity measuring device with time-divider
08/12/1987EP0232173A2 Electrical energy-consumption analyser
07/1987
07/21/1987US4682169 Method of and system for accumulating verifiable energy demand data from remote electricity meters
06/1987
06/03/1987EP0223956A1 Circuit arrangement for indicating the current and/or power consumption of an electrical load
05/1987
05/07/1987WO1987002783A1 Memory programmer interface for electronic demand register
05/07/1987WO1987002782A1 Packaging for electronic demand register
04/1987
04/22/1987EP0218905A1 Low-cost self-contained transformerless solid state electronic watthour meter having thin film ferromagnetic current sensor
03/1987
03/31/1987US4654588 Time-of-use watt-hour meter with demand profile capability
03/11/1987EP0213574A2 Battery backup installation
02/1987
02/04/1987EP0210697A2 Producing a digital representation of the time-integral of an electric current
12/1986
12/10/1986EP0203947A1 A static, electric apparatus for measuring power and energy drawn from a power supply network
11/1986
11/11/1986US4622640 Power load survey apparatus
10/1986
10/15/1986CN85103429A Electronic type electric energy metering apparatus
09/1986
09/03/1986CN85109355A Detector for detecting danger of advanced explosion in electric dynamite
06/1986
06/10/1986US4594545 Operation of electronic demand register following a power outage
06/05/1986WO1986003301A1 A static, electric apparatus for measuring power and energy drawn from a power supply network
05/1986
05/27/1986US4591782 Power supply and power monitor for electric meter
05/07/1986EP0179848A1 Operation of electronic demand register following a power outage
05/07/1986EP0179847A1 Electronic demand register
04/1986
04/30/1986EP0179123A1 Power supply and power monitor for electric meter
03/1986
03/18/1986US4577154 Pulse width modulation circuit and integration circuit of analog product using said modulation circuit
02/1986
02/18/1986US4571692 Electronic demand register
12/1985
12/31/1985US4562424 Circuit for integrating analog signal and converting it into digital signal
12/31/1985CA1198776A1 Electrical joule meter and accumulator
10/1985
10/24/1985WO1985004725A1 Electronic demand register
10/24/1985WO1985004724A1 Operation of electronic demand register following a power outage
10/24/1985WO1985004723A1 Power supply and power monitor for electric meter
04/1985
04/24/1985EP0137942A1 Electronic electricity meter with automatic measuring range extension
04/16/1985CA1185671A1 Apparatus for communicating utility usage related information from a utility usage location to a portable utility usage registering device
04/02/1985CA1185014A1 Degradable lru circuit
03/1985
03/13/1985EP0134001A1 Electronic electric-energy meter with automatic offset regulation
02/1985
02/19/1985US4500973 Electronic devices
01/1985
01/08/1985CA1180760A1 High accuracy ac electric energy metering system
12/1984
12/04/1984US4486706 Power flow direction detector
07/1984
07/31/1984US4463354 Apparatus for communicating utility usage related information from a utility usage location to a portable utility usage registering device
06/1984
06/26/1984US4456878 Electronic watthour meter
04/1984
04/24/1984CA1166315A1 Electronic kilowatt-hour meter for measuring electrical energy comsumption
04/18/1984EP0105437A2 Arrangement for measuring the consumption of electric energy in a circuit fed with current from a source with a nearly constant voltage
04/03/1984US4441138 Charge cell
03/1984
03/20/1984CA1164098A1 Billing recorder with non-volatile solid state memory
02/1984
02/28/1984US4434400 Circuit for supervising an electronic electricity meter
02/28/1984CA1162988A1 Power measurement transducer
02/08/1984EP0100103A1 A pulse width modulation circuit and an analog product forming integration circuit using such modulation circuit
02/08/1984EP0100102A1 Circuit for integrating an analog signal and converting it into a digital signal
10/1983
10/11/1983US4409080 System for monitoring a cathodically protected structure
08/1983
08/23/1983CA1152569A1 Ac electric energy meter utilizing a counter as an integrator
03/1983
03/29/1983US4378524 Electronic three-phase watt-hour meter
03/29/1983CA1143843A1 Meters for measuring electrical energy consumption
02/1983
02/15/1983US4373809 Solar energy flux integrator
02/01/1983CA1140653A1 Ultraviolet light dosage monitor
12/1982
12/21/1982US4365302 High accuracy AC electric energy metering system
11/1982
11/30/1982US4361878 Degradable LRU circuit
11/30/1982US4361877 Billing recorder with non-volatile solid state memory
11/23/1982US4360879 Power measuring device
11/16/1982US4359684 Electronic watt-hour meter
10/1982
10/27/1982EP0063402A1 Multi-function electricity billing meter
10/27/1982EP0063306A1 Electronic meter operating with capacitor charge exchange
09/1982
09/21/1982US4351028 Meters for measuring electrical energy consumption
09/07/1982US4348664 Device for measuring ultraviolet light exposure
08/1982
08/18/1982EP0057978A1 High accuracy AC electric energy metering system
08/17/1982US4345311 Electronic kilowatt-hour meter for measuring electrical energy consumption
08/17/1982CA1129964A1 Programmable time registering ac electric energy meter having electronic accumulators and display
08/17/1982CA1129963A1 Portable programmer-reader unit for programmable time registering electric energy meters
08/04/1982EP0056852A1 Electrolytic cell
06/1982
06/29/1982CA1126822A1 System for monitoring electrical energy consumption
05/1982
05/26/1982EP0052255A1 Electronic three-phase electricity meter
05/05/1982EP0050919A2 LRU resolving network apparatus
02/1982
02/16/1982CA1118497A1 Programmable ac electric energy meter having radiation responsive external data interface
02/09/1982US4315212 Electronic watthour meter
11/1981
11/03/1981US4298839 Programmable AC electric energy meter having radiation responsive external data interface
10/1981
10/07/1981EP0036893A1 Electric power measuring apparatus
09/1981
09/22/1981US4291377 Apparatus for measuring electrical power
09/22/1981US4291375 Portable programmer-reader unit for programmable time registering electric energy meters
08/1981
08/11/1981US4283772 Programmable time registering AC electric energy meter having electronic accumulators and display
05/1981
05/12/1981CA1101073A1 Digital processing and calculating ac electric energy metering system
04/1981
04/16/1981WO1981001058A1 Electric power measuring apparatus
04/01/1981EP0025917A1 Electronic three-phase current electricity meter for capacitor charge exchange method
03/1981
03/03/1981US4254376 Apparatus for measuring the electric power or energy in an A-C network
02/1981
02/10/1981US4250552 AC Electric energy meter utilizing a counter as an integrator
02/10/1981US4250449 Digital electric energy measuring circuit
12/1980
12/30/1980US4242634 Electronic multiplying circuits
12/16/1980US4240059 Current divider for a current sensing transducer
09/1980
09/30/1980CA1086826A1 Two-way electronic kwh meter
09/03/1980EP0015120A1 Meters for measuring electrical energy consumption
08/1980
08/12/1980US4217546 Electronic energy consumption meter and system with automatic error correction
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