JPS5667764A - Voltage/current measurement device by light beam - Google Patents
Voltage/current measurement device by light beamInfo
- Publication number
- JPS5667764A JPS5667764A JP14489879A JP14489879A JPS5667764A JP S5667764 A JPS5667764 A JP S5667764A JP 14489879 A JP14489879 A JP 14489879A JP 14489879 A JP14489879 A JP 14489879A JP S5667764 A JPS5667764 A JP S5667764A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- voltage
- type optical
- crystal
- polarized light
- 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.)
- Pending
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
PURPOSE:To stabilize and surely measure the voltage and electric current by connecting with multimode type optical fiber a crystal having a light source quite similar to circular polarized light and an electrooptical effect or an element and a sensor having a faraday effect. CONSTITUTION:A light passge connecting an electrooptical crystal or a faraday element 4 through a light source quite similar to circular polarized light, a lens 10 and a polarizer 3 are formed using a multimode type optical fiber 12. At the same time, a photopassage is formed connecting the afore-mentioned crystal or the element 4 with a sensor 7 through the intermediary of an analyzer 5 and a lens 11, using a multimode type optical fiber 12. Under this constitution, it is possible to avoid a change in the polarized light characteristics due to the bending of optical fiber, etc. and measure voltage and electric current in a stable and sure manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14489879A JPS5667764A (en) | 1979-11-08 | 1979-11-08 | Voltage/current measurement device by light beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14489879A JPS5667764A (en) | 1979-11-08 | 1979-11-08 | Voltage/current measurement device by light beam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5667764A true JPS5667764A (en) | 1981-06-08 |
Family
ID=15372884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14489879A Pending JPS5667764A (en) | 1979-11-08 | 1979-11-08 | Voltage/current measurement device by light beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5667764A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107271A (en) * | 1982-12-10 | 1984-06-21 | Mitsubishi Electric Corp | Optical fiber applied sensor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119367A (en) * | 1976-03-31 | 1977-10-06 | Ono Yutaka | Method and apparatus for detecting voltage using phototransformer |
-
1979
- 1979-11-08 JP JP14489879A patent/JPS5667764A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119367A (en) * | 1976-03-31 | 1977-10-06 | Ono Yutaka | Method and apparatus for detecting voltage using phototransformer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107271A (en) * | 1982-12-10 | 1984-06-21 | Mitsubishi Electric Corp | Optical fiber applied sensor |
JPH0156387B2 (en) * | 1982-12-10 | 1989-11-29 | Mitsubishi Electric Corp |
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