GB8429752D0 - Wattmeter circuit - Google Patents

Wattmeter circuit

Info

Publication number
GB8429752D0
GB8429752D0 GB848429752A GB8429752A GB8429752D0 GB 8429752 D0 GB8429752 D0 GB 8429752D0 GB 848429752 A GB848429752 A GB 848429752A GB 8429752 A GB8429752 A GB 8429752A GB 8429752 D0 GB8429752 D0 GB 8429752D0
Authority
GB
United Kingdom
Prior art keywords
wattmeter circuit
wattmeter
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB848429752A
Other versions
GB2167619A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CREST ENERGY SCAN Ltd
Original Assignee
CREST ENERGY SCAN Ltd
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 CREST ENERGY SCAN Ltd filed Critical CREST ENERGY SCAN Ltd
Priority to GB08429752A priority Critical patent/GB2167619A/en
Publication of GB8429752D0 publication Critical patent/GB8429752D0/en
Priority to EP19850905858 priority patent/EP0203131A1/en
Priority to PCT/GB1985/000535 priority patent/WO1986003302A1/en
Publication of GB2167619A publication Critical patent/GB2167619A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • 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
GB08429752A 1984-11-24 1984-11-24 Wattmeter circuit Withdrawn GB2167619A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB08429752A GB2167619A (en) 1984-11-24 1984-11-24 Wattmeter circuit
EP19850905858 EP0203131A1 (en) 1984-11-24 1985-11-21 A wattmeter circuit
PCT/GB1985/000535 WO1986003302A1 (en) 1984-11-24 1985-11-21 A wattmeter circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08429752A GB2167619A (en) 1984-11-24 1984-11-24 Wattmeter circuit

Publications (2)

Publication Number Publication Date
GB8429752D0 true GB8429752D0 (en) 1985-01-03
GB2167619A GB2167619A (en) 1986-05-29

Family

ID=10570242

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08429752A Withdrawn GB2167619A (en) 1984-11-24 1984-11-24 Wattmeter circuit

Country Status (3)

Country Link
EP (1) EP0203131A1 (en)
GB (1) GB2167619A (en)
WO (1) WO1986003302A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239097B (en) * 1989-12-18 1993-08-11 Gen Electric Co Plc Electrical power measuring devices
RU2057349C1 (en) * 1992-10-20 1996-03-27 Фирма "Меридиан" Power-to-frequency converter
JP3080207B2 (en) * 1993-01-06 2000-08-21 三菱電機株式会社 Electronic watt-hour meter
CH689471A5 (en) * 1994-05-05 1999-04-30 Landis & Gyr Tech Innovat Summer for products of similar or different signals e.g. for electricity meter
EP0699914B1 (en) * 1994-09-05 2005-01-05 Landis+Gyr AG Electricity meter
US5862069A (en) * 1996-07-12 1999-01-19 Analog Devices, Inc. Four quadrant multiplying apparatus and method
DE19842241A1 (en) 1998-09-15 2000-04-06 Siemens Metering Ag Electricity meter and input module for an electricity meter
US6307493B1 (en) 1999-05-28 2001-10-23 Analog Devices, Inc. Non-linear function generating circuit and method
DE10311777B4 (en) * 2003-03-18 2005-10-20 Thomas Schoch Method, measuring system and device for electrical power measurement
CN1713515B (en) * 2004-06-25 2010-08-11 盛群半导体股份有限公司 Digital medium-frequency discriminator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470471A (en) * 1968-05-31 1969-09-30 Canadian Patents Dev Polarity coincidence correlation method and apparatus for measuring electrical energy
BE791143A (en) * 1971-11-09 1973-03-01 Landis & Gyr Ag ELECTRICAL ENERGY MEASUREMENT CIRCUIT

Also Published As

Publication number Publication date
GB2167619A (en) 1986-05-29
WO1986003302A1 (en) 1986-06-05
EP0203131A1 (en) 1986-12-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)