GB1516396A - Measuring the rms value of alternating current signals - Google Patents

Measuring the rms value of alternating current signals

Info

Publication number
GB1516396A
GB1516396A GB25369/75A GB2536975A GB1516396A GB 1516396 A GB1516396 A GB 1516396A GB 25369/75 A GB25369/75 A GB 25369/75A GB 2536975 A GB2536975 A GB 2536975A GB 1516396 A GB1516396 A GB 1516396A
Authority
GB
United Kingdom
Prior art keywords
zero
feedback
amplifier
signal
measuring
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.)
Expired
Application number
GB25369/75A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1516396A publication Critical patent/GB1516396A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
    • G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
GB25369/75A 1974-06-17 1975-06-13 Measuring the rms value of alternating current signals Expired GB1516396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7408033A NL7408033A (nl) 1974-06-17 1974-06-17 Schakeling voor het meten van de effektieve waarde van een elektrisch signaal.

Publications (1)

Publication Number Publication Date
GB1516396A true GB1516396A (en) 1978-07-05

Family

ID=19821554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25369/75A Expired GB1516396A (en) 1974-06-17 1975-06-13 Measuring the rms value of alternating current signals

Country Status (9)

Country Link
US (1) US4023099A (enExample)
JP (1) JPS5114070A (enExample)
CA (1) CA1033415A (enExample)
DE (1) DE2524997C3 (enExample)
FR (1) FR2274926A1 (enExample)
GB (1) GB1516396A (enExample)
IT (1) IT1036998B (enExample)
NL (1) NL7408033A (enExample)
SE (1) SE409057B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001335A1 (fr) * 1979-10-30 1981-05-14 Y Maltsev Methode de mesure de la valeur quadratique moyenne de la tension

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547975A (en) * 1977-06-20 1979-01-20 Takeda Riken Ind Co Ltd Effective value measuring circuit
US4257061A (en) * 1977-10-17 1981-03-17 John Fluke Mfg. Co., Inc. Thermally isolated monolithic semiconductor die
GB2263784B (en) * 1990-01-09 1994-02-16 Richard George Vivian Doble High frequency measuring circuit
US5376880A (en) * 1993-03-30 1994-12-27 At&T Corp. Method and apparatus for measuring the average power in an electric signal
US5999059A (en) * 1998-01-02 1999-12-07 Thomas & Betts International, Inc. Wideband CATV amplifier with microprocessor-based slope and gain control
KR101373005B1 (ko) * 2008-01-04 2014-03-14 삼성전자주식회사 입력 신호 레벨 검출 장치 및 방법
CN101738522B (zh) * 2008-11-20 2011-10-26 漳州国绿太阳能科技有限公司 温度对比法检测交、直流电流的控制电路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857569A (en) * 1956-04-19 1958-10-21 Daystrom Inc Thermal converter
US3624525A (en) * 1969-11-20 1971-11-30 Hewlett Packard Co True rms converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001335A1 (fr) * 1979-10-30 1981-05-14 Y Maltsev Methode de mesure de la valeur quadratique moyenne de la tension

Also Published As

Publication number Publication date
JPS552030B2 (enExample) 1980-01-18
DE2524997A1 (de) 1976-01-02
US4023099A (en) 1977-05-10
FR2274926A1 (fr) 1976-01-09
SE409057B (sv) 1979-07-23
IT1036998B (it) 1979-10-30
CA1033415A (en) 1978-06-20
FR2274926B1 (enExample) 1980-04-30
NL7408033A (nl) 1975-12-19
DE2524997B2 (de) 1978-05-03
SE7506778L (sv) 1975-12-18
JPS5114070A (en) 1976-02-04
DE2524997C3 (de) 1978-12-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee