FR2103658A5 - - Google Patents
Info
- Publication number
- FR2103658A5 FR2103658A5 FR7118575A FR7118575A FR2103658A5 FR 2103658 A5 FR2103658 A5 FR 2103658A5 FR 7118575 A FR7118575 A FR 7118575A FR 7118575 A FR7118575 A FR 7118575A FR 2103658 A5 FR2103658 A5 FR 2103658A5
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH778470A CH520321A (de) | 1970-05-26 | 1970-05-26 | Verfahren und Anordnung zur Umformung des Signalflusses in einer lichtelektrischen Messeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2103658A5 true FR2103658A5 (enExample) | 1972-04-14 |
Family
ID=4330412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7118575A Expired FR2103658A5 (enExample) | 1970-05-26 | 1971-05-24 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3769584A (enExample) |
| CA (1) | CA942385A (enExample) |
| CH (1) | CH520321A (enExample) |
| DE (1) | DE2042560B2 (enExample) |
| FR (1) | FR2103658A5 (enExample) |
| GB (1) | GB1333152A (enExample) |
| NL (1) | NL7107042A (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2333242C2 (de) * | 1973-06-29 | 1974-12-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Digitaler magnetooptischer Meßwandler für Hochspannung |
| DE2541072C3 (de) * | 1975-09-15 | 1979-08-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Magnetooptischer Meßwandler zur Herstellung von Hochspannungsströmen |
| DE2543134A1 (de) * | 1975-09-26 | 1977-04-07 | Siemens Ag | Magnetooptischer hochspannungsstrom- messwandler |
| JPS52119367A (en) * | 1976-03-31 | 1977-10-06 | Ono Yutaka | Method and apparatus for detecting voltage using phototransformer |
| US4267509A (en) * | 1978-11-01 | 1981-05-12 | Graham W Gordon | Magneto-optical colloidal cell and device |
| US4683421A (en) * | 1985-03-29 | 1987-07-28 | Westinghouse Electric Corp. | Drift compensation technique for a magneto-optic current sensor |
| US4698497A (en) * | 1986-05-22 | 1987-10-06 | Westinghouse Electric Corp. | Direct current magneto-optic current transformer |
| FR2613839B1 (fr) * | 1987-04-10 | 1990-11-16 | Alsthom | Procede de mise a jour du facteur d'echelle d'un appareil de mesure d'intensite d'un courant electrique alternatif par effet faraday |
| US4904931A (en) * | 1988-09-28 | 1990-02-27 | Westinghouse Electric Corp. | Electro-optical voltage measuring system incorporating a method and apparatus to derive the measured voltage waveform from two phase shifted electrical signals |
| US5124634A (en) * | 1989-03-14 | 1992-06-23 | Square D Company | Ring optical current transducer |
| DE3923803A1 (de) * | 1989-07-19 | 1991-01-31 | Messwandler Bau Ag | Faseroptische anordnung zum messen der staerke eines elektrischen stromes |
| DE4334469C2 (de) * | 1993-10-11 | 1996-08-14 | Felten & Guilleaume Energie | Anordnung zur Auswertung des Meßwerts eines Meßwandlers |
| CA2255762C (en) * | 1996-05-31 | 2002-06-25 | Rensselaer Polytechnic Institute | Electro-optical and magneto-optical sensing apparatus and method for characterizing free-space electromagnetic radiation |
| EP3183585A1 (en) * | 2014-08-19 | 2017-06-28 | ABB Schweiz AG | Optical sensor with spun birefringent sensing fiber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH442520A (fr) * | 1965-04-10 | 1967-08-31 | Merlin Gerin | Dispositif de mesure électro-optique de courant |
| US3268879A (en) * | 1965-11-01 | 1966-08-23 | Sperry Rand Corp | Magneto-optic readout system |
| FR92378E (fr) * | 1967-01-18 | 1968-10-31 | Merlin Gerin | Perfectionnements aux réducteurs de courant optiques |
| FR1541816A (fr) * | 1967-09-01 | 1968-10-11 | Merlin Gerin | Perfectionnements aux dispositifs de mesure électro-optique d'une grandeur électrique |
| US3590249A (en) * | 1968-10-02 | 1971-06-29 | Ibm | Optical read system |
-
1970
- 1970-05-26 CH CH778470A patent/CH520321A/de not_active IP Right Cessation
- 1970-08-27 DE DE19702042560 patent/DE2042560B2/de active Pending
-
1971
- 1971-05-13 US US00143029A patent/US3769584A/en not_active Expired - Lifetime
- 1971-05-20 CA CA113,562A patent/CA942385A/en not_active Expired
- 1971-05-24 GB GB1668971A patent/GB1333152A/en not_active Expired
- 1971-05-24 FR FR7118575A patent/FR2103658A5/fr not_active Expired
- 1971-05-24 NL NL7107042A patent/NL7107042A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA942385A (en) | 1974-02-19 |
| US3769584A (en) | 1973-10-30 |
| NL7107042A (enExample) | 1971-11-30 |
| GB1333152A (en) | 1973-10-10 |
| CH520321A (de) | 1972-03-15 |
| DE2042560A1 (de) | 1971-12-09 |
| DE2042560B2 (de) | 1972-09-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |