NO752364L - - Google Patents
Info
- Publication number
- NO752364L NO752364L NO752364A NO752364A NO752364L NO 752364 L NO752364 L NO 752364L NO 752364 A NO752364 A NO 752364A NO 752364 A NO752364 A NO 752364A NO 752364 L NO752364 L NO 752364L
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/40—Instruments transformers for dc
-
- 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
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Dc-Dc Converters (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742442223 DE2442223C3 (de) | 1974-09-04 | Wandler für Gleichstromsignale |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO752364L true NO752364L (de) | 1976-03-05 |
| NO137466B NO137466B (no) | 1977-11-21 |
| NO137466C NO137466C (no) | 1978-03-01 |
Family
ID=5924793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO752364A NO137466C (no) | 1974-09-04 | 1975-06-30 | Omformer for likestroemsignaler. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4023100A (de) |
| CH (1) | CH582412A5 (de) |
| FR (1) | FR2284174A1 (de) |
| GB (1) | GB1506607A (de) |
| NL (1) | NL7508515A (de) |
| NO (1) | NO137466C (de) |
| SE (1) | SE402179B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2625354C3 (de) * | 1976-06-04 | 1981-06-04 | Siemens AG, 1000 Berlin und 8000 München | Übertrager für Gleich- und Wechselstromsignale mit einem ferromagnetischen Kern, der mindestens zwei voneinander unabhängige Magnetflüsse zuläßt |
| US5015945A (en) * | 1990-06-25 | 1991-05-14 | General Electric Company | Current sensor for measuring current in a semiconductor switch |
| DE19927029A1 (de) * | 1999-06-04 | 2001-02-08 | Siemens Ag | Verfahren zum Betrieb eines elektronischen Überstromauslösers eines Leistungsschalters |
| SK500132014A3 (en) * | 2014-02-11 | 2016-03-01 | Ladislav Grno | The sensor and method for electric current measuring |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051939A (en) * | 1957-05-08 | 1962-08-28 | Daystrom Inc | Analog-to-digital converter |
| US3768011A (en) * | 1970-06-09 | 1973-10-23 | W Swain | Means for measuring magnitude and direction of a direct current or permanent magnet, including clip-on direct current sensing inductor |
| US3812428A (en) * | 1971-03-15 | 1974-05-21 | Licentia Gmbh | Method of and apparatus for the measuring of direct current |
| DE2300802A1 (de) * | 1973-01-09 | 1974-07-11 | Philips Patentverwaltung | Schaltungsanordnung zur potentialfreien strommessung |
| US3855528A (en) * | 1973-04-06 | 1974-12-17 | Lorain Prod Corp | D-c current measuring circuit |
-
1975
- 1975-06-30 NO NO752364A patent/NO137466C/no unknown
- 1975-07-16 NL NL7508515A patent/NL7508515A/xx not_active Application Discontinuation
- 1975-08-21 GB GB34831/75A patent/GB1506607A/en not_active Expired
- 1975-08-22 CH CH1089175A patent/CH582412A5/xx not_active IP Right Cessation
- 1975-08-28 US US05/608,786 patent/US4023100A/en not_active Expired - Lifetime
- 1975-09-03 FR FR7527028A patent/FR2284174A1/fr active Granted
- 1975-09-03 SE SE7509779A patent/SE402179B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2284174B1 (de) | 1981-10-09 |
| SE402179B (sv) | 1978-06-19 |
| DE2442223B2 (de) | 1976-07-08 |
| SE7509779L (sv) | 1976-03-05 |
| NO137466C (no) | 1978-03-01 |
| CH582412A5 (de) | 1976-11-30 |
| NO137466B (no) | 1977-11-21 |
| DE2442223A1 (de) | 1976-03-25 |
| FR2284174A1 (fr) | 1976-04-02 |
| GB1506607A (en) | 1978-04-05 |
| US4023100A (en) | 1977-05-10 |
| NL7508515A (nl) | 1976-03-08 |