FR2355297A1 - Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique - Google Patents
Multiplicateur biparabolique pour la mesure de puissance ou d'energie electriqueInfo
- Publication number
- FR2355297A1 FR2355297A1 FR7718047A FR7718047A FR2355297A1 FR 2355297 A1 FR2355297 A1 FR 2355297A1 FR 7718047 A FR7718047 A FR 7718047A FR 7718047 A FR7718047 A FR 7718047A FR 2355297 A1 FR2355297 A1 FR 2355297A1
- Authority
- FR
- France
- Prior art keywords
- circuit
- electrical power
- squaring
- interchanging
- periodic
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/10—Arrangements for measuring electric power or power factor by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance
-
- 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
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/164—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using means for evaluating powers, e.g. quarter square multiplier
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH763176A CH607038A5 (enrdf_load_stackoverflow) | 1976-06-15 | 1976-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2355297A1 true FR2355297A1 (fr) | 1978-01-13 |
Family
ID=4328127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7718047A Withdrawn FR2355297A1 (fr) | 1976-06-15 | 1977-06-13 | Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS52153780A (enrdf_load_stackoverflow) |
CH (1) | CH607038A5 (enrdf_load_stackoverflow) |
DE (1) | DE2632192C2 (enrdf_load_stackoverflow) |
FR (1) | FR2355297A1 (enrdf_load_stackoverflow) |
NL (1) | NL7608157A (enrdf_load_stackoverflow) |
-
1976
- 1976-06-15 CH CH763176A patent/CH607038A5/xx not_active IP Right Cessation
- 1976-07-16 DE DE19762632192 patent/DE2632192C2/de not_active Expired
- 1976-07-22 NL NL7608157A patent/NL7608157A/xx not_active Application Discontinuation
-
1977
- 1977-05-11 JP JP5328677A patent/JPS52153780A/ja active Granted
- 1977-06-13 FR FR7718047A patent/FR2355297A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS6151266B2 (enrdf_load_stackoverflow) | 1986-11-07 |
CH607038A5 (enrdf_load_stackoverflow) | 1978-11-30 |
NL7608157A (nl) | 1977-12-19 |
DE2632192B1 (de) | 1977-03-31 |
DE2632192C2 (de) | 1977-11-24 |
JPS52153780A (en) | 1977-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2355297A1 (fr) | Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique | |
JPS5242167A (en) | Semiconductor pressure gauge | |
JPS52113768A (en) | Mask matching shift measuring pattern | |
JPS5327463A (en) | Measuring system for abnormal voltage of trolley line | |
JPS56112662A (en) | Measuring apparatus for loss of capacity element | |
JPS5219238A (en) | Phase deficit detection apparatus | |
JPS51129225A (en) | Distance measure device | |
JPS5223974A (en) | Phase measuring circuit | |
JPS5320368A (en) | Measuring device for resistance of conductor | |
JPS5244673A (en) | Loss angle measuring instrument | |
JPS5313477A (en) | Operating time measuring system for mechanism | |
JPS5238244A (en) | Non-contact tye length-measuring device | |
JPS5286352A (en) | Distance measuring system | |
JPS5327460A (en) | Measuring system for change-over time of trolley line | |
JPS5224079A (en) | Measurement method of semiconductor apparatus | |
JPS533262A (en) | Radiation thickness meter | |
JPS51123656A (en) | An error signal ratio measuring device | |
JPS55116278A (en) | Determining system for failure point | |
JPS5333691A (en) | Measurement of alternating current corrosion | |
JPS5218397A (en) | Apparatus for measuring conductivit of fluid | |
JPS5313965A (en) | Synchronism indicator | |
JPS5219944A (en) | Pulse width change circuit | |
JPS53125771A (en) | Measuring unit for semiconductor | |
JPS51151151A (en) | Pointer sensing equipment in a meter | |
JPS524276A (en) | Two-signal distortion measuring circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |