GB8621310D0 - Digital voltmeter - Google Patents

Digital voltmeter

Info

Publication number
GB8621310D0
GB8621310D0 GB868621310A GB8621310A GB8621310D0 GB 8621310 D0 GB8621310 D0 GB 8621310D0 GB 868621310 A GB868621310 A GB 868621310A GB 8621310 A GB8621310 A GB 8621310A GB 8621310 D0 GB8621310 D0 GB 8621310D0
Authority
GB
United Kingdom
Prior art keywords
digital voltmeter
voltmeter
digital
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.)
Granted
Application number
GB868621310A
Other versions
GB2180354B (en
GB2180354A (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.)
KIEV POLITECKHNICHE INST IM 50
Original Assignee
KIEV POLITECKHNICHE INST IM 50
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 KIEV POLITECKHNICHE INST IM 50 filed Critical KIEV POLITECKHNICHE INST IM 50
Publication of GB8621310D0 publication Critical patent/GB8621310D0/en
Publication of GB2180354A publication Critical patent/GB2180354A/en
Application granted granted Critical
Publication of GB2180354B publication Critical patent/GB2180354B/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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Measuring Leads Or Probes (AREA)
GB08621310A 1985-01-25 1985-01-25 Ac rms digital voltmeter Expired GB2180354B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1985/000008 WO1986004425A1 (en) 1985-01-25 1985-01-25 Digital voltmeter for measuring the effective value of alternating voltage

Publications (3)

Publication Number Publication Date
GB8621310D0 true GB8621310D0 (en) 1986-10-15
GB2180354A GB2180354A (en) 1987-03-25
GB2180354B GB2180354B (en) 1988-09-28

Family

ID=21616888

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08621310A Expired GB2180354B (en) 1985-01-25 1985-01-25 Ac rms digital voltmeter

Country Status (7)

Country Link
CH (1) CH669674A5 (en)
DE (1) DE3590720T1 (en)
FI (1) FI863493A (en)
GB (1) GB2180354B (en)
HU (1) HU195010B (en)
SE (1) SE453538B (en)
WO (1) WO1986004425A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106707012B (en) * 2017-01-19 2023-04-18 深圳市高新投三江电子股份有限公司 Alternating current signal acquisition circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665305A (en) * 1970-02-24 1972-05-23 United Systems Corp Analog to digital converter with automatic calibration
SE420868B (en) * 1974-09-18 1981-11-02 Broken Hill Pty Co Ltd SIGNAL PROCESSING CIRCUIT
DE2615162C2 (en) * 1976-04-07 1979-11-29 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Circuit arrangement for linearizing the output signals from sensors
DE3143669C2 (en) * 1981-11-04 1983-09-22 Rohde & Schwarz GmbH & Co KG, 8000 München Circuit for measuring the rms value of an alternating voltage

Also Published As

Publication number Publication date
GB2180354B (en) 1988-09-28
WO1986004425A1 (en) 1986-07-31
SE8603650L (en) 1986-08-29
SE8603650D0 (en) 1986-08-29
CH669674A5 (en) 1989-03-31
FI863493A0 (en) 1986-08-28
HU195010B (en) 1988-03-28
DE3590720T1 (en) 1987-01-29
SE453538B (en) 1988-02-08
FI863493A (en) 1986-08-28
HUT41134A (en) 1987-03-30
GB2180354A (en) 1987-03-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee