HK42986A - Electronic circuits for producing an output signal related to the integral of the product of two input signals - Google Patents

Electronic circuits for producing an output signal related to the integral of the product of two input signals

Info

Publication number
HK42986A
HK42986A HK429/86A HK42986A HK42986A HK 42986 A HK42986 A HK 42986A HK 429/86 A HK429/86 A HK 429/86A HK 42986 A HK42986 A HK 42986A HK 42986 A HK42986 A HK 42986A
Authority
HK
Hong Kong
Prior art keywords
integral
producing
product
output signal
input signals
Prior art date
Application number
HK429/86A
Other languages
English (en)
Original Assignee
Enertec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enertec filed Critical Enertec
Publication of HK42986A publication Critical patent/HK42986A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Networks Using Active Elements (AREA)
  • Protection Of Static Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
HK429/86A 1977-05-16 1986-06-05 Electronic circuits for producing an output signal related to the integral of the product of two input signals HK42986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20564/77A GB1603648A (en) 1977-05-16 1977-05-16 Electronic devices for producing an output signal related to electrical power

Publications (1)

Publication Number Publication Date
HK42986A true HK42986A (en) 1986-06-13

Family

ID=10147997

Family Applications (3)

Application Number Title Priority Date Filing Date
HK429/86A HK42986A (en) 1977-05-16 1986-06-05 Electronic circuits for producing an output signal related to the integral of the product of two input signals
HK427/86A HK42786A (en) 1977-05-16 1986-06-05 Electronic devices for producing an output signal related to electrical power
HK428/86A HK42886A (en) 1977-05-16 1986-06-05 Electronic devices for producing an output signal related to electrical power

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK427/86A HK42786A (en) 1977-05-16 1986-06-05 Electronic devices for producing an output signal related to electrical power
HK428/86A HK42886A (en) 1977-05-16 1986-06-05 Electronic devices for producing an output signal related to electrical power

Country Status (26)

Country Link
US (2) US4359684A (sv)
JP (1) JPS5417776A (sv)
AR (1) AR230118A1 (sv)
AT (1) AT393039B (sv)
AU (1) AU519765B2 (sv)
BE (1) BE867034A (sv)
BR (1) BR7803083A (sv)
CH (2) CH634415A5 (sv)
DD (1) DD135538A5 (sv)
DE (1) DE2821225A1 (sv)
EG (1) EG13485A (sv)
ES (2) ES469767A1 (sv)
FR (1) FR2391474A1 (sv)
GB (1) GB1603648A (sv)
HK (3) HK42986A (sv)
HU (1) HU182022B (sv)
IE (1) IE46783B1 (sv)
IN (1) IN152449B (sv)
IT (1) IT1096087B (sv)
MX (1) MX144625A (sv)
NL (2) NL183424C (sv)
NZ (1) NZ187275A (sv)
PL (1) PL128624B1 (sv)
SE (2) SE434889B (sv)
YU (2) YU44092B (sv)
ZA (1) ZA782510B (sv)

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FR2476324A1 (fr) * 1980-02-19 1981-08-21 Enertec Dispositif electronique de mesure pour reseau polyphase et utilisation dans un compteur d'energie electrique
US4700188A (en) * 1985-01-29 1987-10-13 Micronic Interface Technologies Electric power measurement system and hall effect based electric power meter for use therein
US4786862A (en) * 1986-06-09 1988-11-22 Niagara Mohawk Power Corporation Watchdog circuit for transmission line sensor module
GB8614620D0 (en) * 1986-06-16 1986-07-23 Schlumberger Electronics Uk Commodity metering systems
GB8624926D0 (en) * 1986-10-17 1986-11-19 Gen Electric Co Plc Electric power measuring devices
US4998061A (en) * 1987-09-21 1991-03-05 Landis & Gyr Metering, Inc. Watthour meter with temperature compensation for wye connected systems
US4896106A (en) * 1987-09-21 1990-01-23 Landis & Gyr Metering, Inc. Watthour meter for wye connected systems
US4896105A (en) * 1988-03-25 1990-01-23 Westinghouse Electric Corp. AC electric energy meter having drive circuit including stepper motor for driving mechanical register
GB8920446D0 (en) * 1989-09-09 1989-10-25 Schlumberger Ind Ltd Electricity metering systems
FR2670295B1 (fr) * 1990-12-07 1993-01-22 Schlumberger Ind Sa Dispositif de mesure electrique a double configuration de branchement.
US5537029A (en) 1992-02-21 1996-07-16 Abb Power T&D Company Inc. Method and apparatus for electronic meter testing
US5457621A (en) 1992-02-21 1995-10-10 Abb Power T&D Company Inc. Switching power supply having voltage blocking clamp
US5396168A (en) * 1992-03-27 1995-03-07 Tandy Corporation Digital multimeter with microprocessor control
US5701253A (en) * 1995-04-04 1997-12-23 Schlumberger Industries, Inc. Isolated current shunt transducer
US5572396A (en) * 1995-04-21 1996-11-05 Ekstrom Industries, Inc. Electric service safety disconnect apparatus with overvoltage and overcurrent protection
KR0167826B1 (ko) * 1995-11-30 1999-03-20 이종훈 광 전력용 변성기를 이용한 광전자식 전력량계
AU736045B2 (en) 1996-10-22 2001-07-26 Abb Inc. Energy meter with power quality monitoring and diagnostic systems
FR2757274B1 (fr) * 1996-12-13 1999-01-29 Schlumberger Ind Sa Appareil de mesure pour un compteur d'electricite
US6563926B1 (en) * 1999-07-27 2003-05-13 Nortel Networks Limited Resetting surge protection in telephone line interface circuits
DE10036735C2 (de) * 2000-07-27 2002-07-11 Infineon Technologies Ag Multipliziererschaltung mit Offset-Kompensation und Quadrikorrelator
US7091878B2 (en) * 2001-02-28 2006-08-15 Landis+Gyr, Inc. Electrical service disconnect having tamper detection
US7775422B2 (en) * 2003-06-13 2010-08-17 Arad Measuring Technologies Ltd. Meter register and remote meter reader utilizing a stepper motor
US7355867B2 (en) 2004-08-17 2008-04-08 Elster Electricity, Llc Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage
US7267014B2 (en) 2004-09-23 2007-09-11 Arad Measuring Technologies Ltd. Meter register having an encoder
US8302887B2 (en) * 2005-03-31 2012-11-06 Rain Bird Corporation Drip emitter
EP2209013B1 (de) 2009-01-17 2016-11-09 EMH metering GmbH & Co. KG Elektronischer Mehrphasenzähler
US8598885B2 (en) * 2011-10-18 2013-12-03 Hartman Van Wyk Instrumentation circuit for shunt-based metrology measurement
CN111344665B (zh) * 2017-11-17 2024-04-26 株式会社半导体能源研究所 加法运算方法、半导体装置及电子设备
CN113835674A (zh) * 2021-08-06 2021-12-24 国网浙江省电力有限公司营销服务中心 一种可变速率的电能表计量用四象限乘法器

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US2724821A (en) * 1954-07-19 1955-11-22 Schweitzer Mfg Co E Remote measuring system
US3002690A (en) * 1958-07-03 1961-10-03 Honeywell Regulator Co Continuous integrator
US3226641A (en) * 1961-12-05 1965-12-28 Gen Electric Electronic type converter for producting a d.c. signal proportional to watt input
DE1294053B (de) * 1962-12-05 1969-04-30 Siemens Ag Vorrichtung zur Umwandlung der Ausgangsspannung eines mit zwei gleichfrequenten Wechselspannungsgroessen gespeisten Hallmultiplikators in eine Impulsfolge gleicher Wertigkeit
US3428896A (en) * 1963-08-14 1969-02-18 Schweitzer Edmund O Jun System for transmitting to a remote point a signal that varies as a function of the current flow in a high voltage conductor
US3432650A (en) * 1964-11-10 1969-03-11 Northern Electric Co Signal multiplier providing an output signal substantially free of components proportional to the individual input signals
GB1129521A (en) * 1965-03-11 1968-10-09 Solartron Electronic Group Improvements in multiplicative modulator
DE1264606B (de) * 1966-01-31 1968-03-28 Siemens Ag Anordnung zur UEbertragung einer von einem auf der Hochspannungsseite fliessenden Strom gebildeten Messgroesse von der Hochspannungs-auf die Niederspannungsseite
BE754839A (fr) * 1969-10-22 1971-02-15 Compteurs Comp D Dispositif de conversion de deux grandeurs en nombre d'impulsions proportionnel a l'integrale de leur produit
US3760273A (en) * 1971-06-24 1973-09-18 Mc Culloch Corp Electronic watt hour meter
US3764908A (en) * 1972-03-06 1973-10-09 Westinghouse Electric Corp Electronic wattmeter including a solid-state logarithmic multiplier
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US3875508A (en) * 1973-09-07 1975-04-01 Gen Electric Metering electrical energy (kWh) in single phase systems
DE2348667B2 (de) * 1973-09-27 1975-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronischer kWh-Zähler
DE2519668C3 (de) * 1974-06-05 1979-01-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Erzeugung einer dem Produkt zweier analoger elektrischer Größen proportionalen Folge von Impulsen
US3955138A (en) * 1974-11-06 1976-05-04 General Electric Company Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals
US3976942A (en) * 1974-12-13 1976-08-24 Esterline Corporation Watt/watt hour transducer having current signals and a modulator therefor
US3975682A (en) * 1974-12-13 1976-08-17 Esterline Corporation Watt/watthour transducer and integrator and current sources therefor
US4055804A (en) * 1974-12-13 1977-10-25 Mayfield Glenn A Watt/watthour transducer and amplifier-filter therefor
YU35812B (en) * 1975-03-26 1981-06-30 Iskra Zp Z O Sub O Voltage/frequency converter circuit
US4027241A (en) * 1976-05-19 1977-05-31 Westinghouse Electric Corporation Solid state watt and var transducer
US4053832A (en) * 1976-05-24 1977-10-11 National Semiconductor Corporation A.C. power meter
US4080568A (en) * 1976-06-14 1978-03-21 Roy B. Fitch, Jr. Energy monitoring device
US4055803A (en) * 1976-09-27 1977-10-25 Kraley Raymond L Combined watt and var transducer
US4056774A (en) * 1976-10-29 1977-11-01 Westinghouse Electric Corporation Electronic watthour meter circuit
US4074194A (en) * 1977-02-28 1978-02-14 Wilkerson A W Watt meter providing electrical signal proportional to power
US4138649A (en) * 1977-03-25 1979-02-06 Emerson Electric Co. Amplifier system
DE2715321A1 (de) * 1977-04-05 1978-10-12 Siemens Ag Nach dem impulsbreiten-impulshoehen- modulationsverfahren arbeitender elektronischer drehstromzaehler
DE2715283C2 (de) * 1977-04-05 1983-05-11 Siemens AG, 1000 Berlin und 8000 München Elektronischer Drehstromzähler
US4079313A (en) * 1977-04-18 1978-03-14 Allen-Bradley Company Digital watts transducer
US4197582A (en) * 1978-03-31 1980-04-08 Westinghouse Electric Corp. Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters

Also Published As

Publication number Publication date
AR230118A1 (es) 1984-02-29
YU106578A (en) 1983-02-28
ZA782510B (en) 1979-04-25
YU44092B (en) 1990-02-28
IT7823465A0 (it) 1978-05-16
DD135538A5 (de) 1979-05-09
HU182022B (en) 1983-12-28
IN152449B (sv) 1984-01-21
IT1096087B (it) 1985-08-17
HK42886A (en) 1986-06-13
IE780972L (en) 1978-11-16
JPS5417776A (en) 1979-02-09
EG13485A (en) 1982-06-30
BR7803083A (pt) 1979-02-20
DE2821225C2 (sv) 1990-05-23
CH633899A5 (fr) 1982-12-31
BE867034A (fr) 1978-11-13
SE8400911D0 (sv) 1984-02-20
ES478234A1 (es) 1979-11-01
NZ187275A (en) 1982-05-25
JPS6247256B2 (sv) 1987-10-07
YU200882A (en) 1985-12-31
FR2391474B1 (sv) 1984-02-03
HK42786A (en) 1986-06-13
ES469767A1 (es) 1979-09-16
US4359684A (en) 1982-11-16
PL128624B1 (en) 1984-02-29
NL183424B (nl)
NL183424C (nl) 1991-12-16
GB1603648A (en) 1981-11-25
DE2821225A1 (de) 1978-12-21
AU519765B2 (en) 1981-12-24
IE46783B1 (en) 1983-09-21
PL206834A1 (pl) 1979-02-12
MX144625A (es) 1981-10-30
SE434889B (sv) 1984-08-20
US4500973A (en) 1985-02-19
ATA349278A (de) 1990-12-15
SE8400911L (sv) 1984-02-20
NL7805249A (nl) 1978-11-20
FR2391474A1 (fr) 1978-12-15
AT393039B (de) 1991-07-25
CH634415A5 (fr) 1983-01-31
SE7805491L (sv) 1978-11-17
AU3582578A (en) 1979-11-08

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Legal Events

Date Code Title Description
PE Patent expired