JPH0377936B2 - - Google Patents
Info
- Publication number
- JPH0377936B2 JPH0377936B2 JP7956284A JP7956284A JPH0377936B2 JP H0377936 B2 JPH0377936 B2 JP H0377936B2 JP 7956284 A JP7956284 A JP 7956284A JP 7956284 A JP7956284 A JP 7956284A JP H0377936 B2 JPH0377936 B2 JP H0377936B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- output
- signal
- electrode
- capacitance
- 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
- 239000007788 liquid Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000011810 insulating material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
- G01L9/125—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7956284A JPS60222737A (ja) | 1984-04-20 | 1984-04-20 | 圧力伝送器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7956284A JPS60222737A (ja) | 1984-04-20 | 1984-04-20 | 圧力伝送器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60222737A JPS60222737A (ja) | 1985-11-07 |
| JPH0377936B2 true JPH0377936B2 (en]) | 1991-12-12 |
Family
ID=13693446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7956284A Granted JPS60222737A (ja) | 1984-04-20 | 1984-04-20 | 圧力伝送器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60222737A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3811047A1 (de) * | 1988-03-31 | 1989-10-12 | Draegerwerk Ag | Fuehler zur kapazitiven messung des druckes in gasen |
| JP4750876B2 (ja) * | 2009-06-05 | 2011-08-17 | 日本電信電話株式会社 | センサ回路およびセンサノード |
-
1984
- 1984-04-20 JP JP7956284A patent/JPS60222737A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60222737A (ja) | 1985-11-07 |
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