FR2261533A1 - Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier - Google Patents
Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifierInfo
- Publication number
- FR2261533A1 FR2261533A1 FR7504843A FR7504843A FR2261533A1 FR 2261533 A1 FR2261533 A1 FR 2261533A1 FR 7504843 A FR7504843 A FR 7504843A FR 7504843 A FR7504843 A FR 7504843A FR 2261533 A1 FR2261533 A1 FR 2261533A1
- Authority
- FR
- France
- Prior art keywords
- current
- test circuit
- inverting amplifier
- voltage
- direct current
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH230174A CH569288A5 (ko) | 1974-02-19 | 1974-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2261533A1 true FR2261533A1 (en) | 1975-09-12 |
FR2261533B1 FR2261533B1 (ko) | 1981-08-07 |
Family
ID=4230587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7504843A Granted FR2261533A1 (en) | 1974-02-19 | 1975-02-17 | Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH569288A5 (ko) |
FR (1) | FR2261533A1 (ko) |
-
1974
- 1974-02-19 CH CH230174A patent/CH569288A5/xx not_active IP Right Cessation
-
1975
- 1975-02-17 FR FR7504843A patent/FR2261533A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CH569288A5 (ko) | 1975-11-14 |
DE2416330A1 (ko) | 1975-07-24 |
DE2416330B1 (de) | 1975-07-24 |
FR2261533B1 (ko) | 1981-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |