SE453538B - Digitalvoltmeter for metning av en vexelspennings effektivverde - Google Patents
Digitalvoltmeter for metning av en vexelspennings effektivverdeInfo
- Publication number
- SE453538B SE453538B SE8603650A SE8603650A SE453538B SE 453538 B SE453538 B SE 453538B SE 8603650 A SE8603650 A SE 8603650A SE 8603650 A SE8603650 A SE 8603650A SE 453538 B SE453538 B SE 453538B
- Authority
- SE
- Sweden
- Prior art keywords
- voltage
- input
- output
- amplifier
- converter
- Prior art date
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)
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 |
---|---|
SE8603650L SE8603650L (sv) | 1986-08-29 |
SE8603650D0 SE8603650D0 (sv) | 1986-08-29 |
SE453538B true SE453538B (sv) | 1988-02-08 |
Family
ID=21616888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8603650A SE453538B (sv) | 1985-01-25 | 1986-08-29 | Digitalvoltmeter for metning av en vexelspennings effektivverde |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH669674A5 (hu) |
DE (1) | DE3590720T1 (hu) |
FI (1) | FI863493A (hu) |
GB (1) | GB2180354B (hu) |
HU (1) | HU195010B (hu) |
SE (1) | SE453538B (hu) |
WO (1) | WO1986004425A1 (hu) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106707012B (zh) * | 2017-01-19 | 2023-04-18 | 深圳市高新投三江电子股份有限公司 | 交流信号采集电路 |
Family Cites Families (4)
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 (sv) * | 1974-09-18 | 1981-11-02 | Broken Hill Pty Co Ltd | Signalbehandlingskrets |
DE2615162C2 (de) * | 1976-04-07 | 1979-11-29 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Schaltungsanordnung zur Linearisierung der Ausgangssignale von Meßfühlern |
DE3143669C2 (de) * | 1981-11-04 | 1983-09-22 | Rohde & Schwarz GmbH & Co KG, 8000 München | Schaltung zum Messen des Effektivwertes einer Wechselspannung |
-
1985
- 1985-01-25 GB GB08621310A patent/GB2180354B/en not_active Expired
- 1985-01-25 WO PCT/SU1985/000008 patent/WO1986004425A1/ru active Application Filing
- 1985-01-25 DE DE19853590720 patent/DE3590720T1/de not_active Ceased
- 1985-01-25 HU HU852172A patent/HU195010B/hu not_active IP Right Cessation
-
1986
- 1986-01-25 CH CH383386A patent/CH669674A5/de not_active IP Right Cessation
- 1986-08-28 FI FI863493A patent/FI863493A/fi not_active Application Discontinuation
- 1986-08-29 SE SE8603650A patent/SE453538B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2180354B (en) | 1988-09-28 |
WO1986004425A1 (en) | 1986-07-31 |
SE8603650L (sv) | 1986-08-29 |
SE8603650D0 (sv) | 1986-08-29 |
CH669674A5 (hu) | 1989-03-31 |
FI863493A0 (fi) | 1986-08-28 |
HU195010B (en) | 1988-03-28 |
DE3590720T1 (hu) | 1987-01-29 |
FI863493A (fi) | 1986-08-28 |
GB8621310D0 (en) | 1986-10-15 |
HUT41134A (en) | 1987-03-30 |
GB2180354A (en) | 1987-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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