CA942385A - Electro-optical measuring apparatus - Google Patents
Electro-optical measuring apparatusInfo
- Publication number
- CA942385A CA942385A CA113,562A CA113562A CA942385A CA 942385 A CA942385 A CA 942385A CA 113562 A CA113562 A CA 113562A CA 942385 A CA942385 A CA 942385A
- Authority
- CA
- Canada
- Prior art keywords
- electro
- measuring apparatus
- optical measuring
- optical
- measuring
- 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.)
- 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 |
|---|---|
| CA942385A true CA942385A (en) | 1974-02-19 |
Family
ID=4330412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA113,562A Expired CA942385A (en) | 1970-05-26 | 1971-05-20 | Electro-optical measuring apparatus |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3769584A (de) |
| CA (1) | CA942385A (de) |
| CH (1) | CH520321A (de) |
| DE (1) | DE2042560B2 (de) |
| FR (1) | FR2103658A5 (de) |
| GB (1) | GB1333152A (de) |
| NL (1) | NL7107042A (de) |
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 |
| JP3388319B2 (ja) * | 1996-05-31 | 2003-03-17 | レンセレー ポリテクニク インスティテュート | 自由空間の電磁放射を特徴づけるための電気光学及び磁気光学感知装置及び方法 |
| RU2677990C2 (ru) | 2014-08-19 | 2019-01-22 | Абб Швайц Аг | Оптический датчик с двулучепреломляющим измерительным spun-волокном |
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 NL NL7107042A patent/NL7107042A/xx unknown
- 1971-05-24 GB GB1668971A patent/GB1333152A/en not_active Expired
- 1971-05-24 FR FR7118575A patent/FR2103658A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1333152A (en) | 1973-10-10 |
| FR2103658A5 (de) | 1972-04-14 |
| NL7107042A (de) | 1971-11-30 |
| US3769584A (en) | 1973-10-30 |
| CH520321A (de) | 1972-03-15 |
| DE2042560A1 (de) | 1971-12-09 |
| DE2042560B2 (de) | 1972-09-28 |
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