JPH0239750B2 - - Google Patents
Info
- Publication number
- JPH0239750B2 JPH0239750B2 JP56119504A JP11950481A JPH0239750B2 JP H0239750 B2 JPH0239750 B2 JP H0239750B2 JP 56119504 A JP56119504 A JP 56119504A JP 11950481 A JP11950481 A JP 11950481A JP H0239750 B2 JPH0239750 B2 JP H0239750B2
- Authority
- JP
- Japan
- Prior art keywords
- specific gravity
- fluid
- overcurrent
- colored fluid
- display 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims description 57
- 230000005484 gravity Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Classifications
-
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
- Audible And Visible Signals (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56119504A JPS57191570A (en) | 1981-07-29 | 1981-07-29 | Display device for passing of overcurrent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56119504A JPS57191570A (en) | 1981-07-29 | 1981-07-29 | Display device for passing of overcurrent |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56077105A Division JPS57191569A (en) | 1981-05-21 | 1981-05-21 | Display device for passing of overcurrent |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57191570A JPS57191570A (en) | 1982-11-25 |
JPH0239750B2 true JPH0239750B2 (enrdf_load_stackoverflow) | 1990-09-06 |
Family
ID=14762892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56119504A Granted JPS57191570A (en) | 1981-07-29 | 1981-07-29 | Display device for passing of overcurrent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57191570A (enrdf_load_stackoverflow) |
-
1981
- 1981-07-29 JP JP56119504A patent/JPS57191570A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57191570A (en) | 1982-11-25 |