JPH0113621B2 - - Google Patents
Info
- Publication number
- JPH0113621B2 JPH0113621B2 JP7035481A JP7035481A JPH0113621B2 JP H0113621 B2 JPH0113621 B2 JP H0113621B2 JP 7035481 A JP7035481 A JP 7035481A JP 7035481 A JP7035481 A JP 7035481A JP H0113621 B2 JPH0113621 B2 JP H0113621B2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- liquid crystal
- electric field
- field sensor
- monitoring device
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 59
- 230000005684 electric field Effects 0.000 claims description 47
- 230000000694 effects Effects 0.000 claims description 24
- 238000012806 monitoring device Methods 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000012212 insulator Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000005697 Pockels effect Effects 0.000 description 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7035481A JPS57185632A (en) | 1981-05-11 | 1981-05-11 | Vacuum monitor for vacuum switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7035481A JPS57185632A (en) | 1981-05-11 | 1981-05-11 | Vacuum monitor for vacuum switching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57185632A JPS57185632A (en) | 1982-11-15 |
| JPH0113621B2 true JPH0113621B2 (de) | 1989-03-07 |
Family
ID=13429007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7035481A Granted JPS57185632A (en) | 1981-05-11 | 1981-05-11 | Vacuum monitor for vacuum switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57185632A (de) |
-
1981
- 1981-05-11 JP JP7035481A patent/JPS57185632A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57185632A (en) | 1982-11-15 |
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