CH478434A - Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen - Google Patents
Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer GrössenInfo
- Publication number
- CH478434A CH478434A CH489666A CH489666A CH478434A CH 478434 A CH478434 A CH 478434A CH 489666 A CH489666 A CH 489666A CH 489666 A CH489666 A CH 489666A CH 478434 A CH478434 A CH 478434A
- Authority
- CH
- Switzerland
- Prior art keywords
- multiplication
- quantities
- converted
- arrangement
- same frequency
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06G7/162—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects
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)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER40374A DE1303357B (de) | 1965-04-12 | 1965-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH478434A true CH478434A (de) | 1969-09-15 |
Family
ID=7406043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH489666A CH478434A (de) | 1965-04-12 | 1966-04-04 | Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen |
Country Status (6)
Country | Link |
---|---|
US (1) | US3439270A (de) |
AT (1) | AT262446B (de) |
CH (1) | CH478434A (de) |
DE (1) | DE1303357B (de) |
FR (1) | FR1475301A (de) |
GB (1) | GB1147022A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0163460A1 (de) * | 1984-05-18 | 1985-12-04 | Pilkington Brothers P.L.C. | System zur Messung des Verbrauches elektrischer Ladung |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783259A (en) * | 1972-10-20 | 1974-01-01 | Itt | Apparatus for resolving a complex a.c. voltage or current into its vector components |
US4042815A (en) * | 1973-09-22 | 1977-08-16 | Ferranti Limited | Electronic multipliers |
US3917936A (en) * | 1974-02-20 | 1975-11-04 | Wayne T Reader | Method and apparatus for measuring the cross-correlation of two dynamic mechanical quantities |
US4283643A (en) * | 1979-05-25 | 1981-08-11 | Electric Power Research Institute, Inc. | Hall sensing apparatus |
US4525669A (en) * | 1982-12-20 | 1985-06-25 | Sangamo Weston, Inc. | Power measurement in an electrical distribution system having three or more wires |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3317835A (en) * | 1963-05-10 | 1967-05-02 | Siemens Ag | Hall generator wattmeter having square-wave superimposed on hall plate output to compensate for power factor |
GB1079853A (en) * | 1963-10-25 | 1967-08-16 | Ass Elect Ind | Improvements relating to hall effect devices |
-
1965
- 1965-04-12 DE DER40374A patent/DE1303357B/de not_active Withdrawn
-
1966
- 1966-04-04 CH CH489666A patent/CH478434A/de not_active IP Right Cessation
- 1966-04-05 US US540283A patent/US3439270A/en not_active Expired - Lifetime
- 1966-04-07 AT AT334166A patent/AT262446B/de active
- 1966-04-08 FR FR56972A patent/FR1475301A/fr not_active Expired
- 1966-04-12 GB GB15904/66A patent/GB1147022A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0163460A1 (de) * | 1984-05-18 | 1985-12-04 | Pilkington Brothers P.L.C. | System zur Messung des Verbrauches elektrischer Ladung |
Also Published As
Publication number | Publication date |
---|---|
AT262446B (de) | 1968-06-10 |
DE1303357B (de) | 1971-09-23 |
GB1147022A (en) | 1969-04-02 |
US3439270A (en) | 1969-04-15 |
FR1475301A (fr) | 1967-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |