JPH0380253B2 - - Google Patents
Info
- Publication number
- JPH0380253B2 JPH0380253B2 JP243785A JP243785A JPH0380253B2 JP H0380253 B2 JPH0380253 B2 JP H0380253B2 JP 243785 A JP243785 A JP 243785A JP 243785 A JP243785 A JP 243785A JP H0380253 B2 JPH0380253 B2 JP H0380253B2
- Authority
- JP
- Japan
- Prior art keywords
- crystal
- voltage
- gas pressure
- oscillator
- amplifier
- 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
- 239000013078 crystal Substances 0.000 claims description 66
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000694 effects Effects 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP243785A JPS61161432A (ja) | 1985-01-10 | 1985-01-10 | 水晶式気体圧力計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP243785A JPS61161432A (ja) | 1985-01-10 | 1985-01-10 | 水晶式気体圧力計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161432A JPS61161432A (ja) | 1986-07-22 |
| JPH0380253B2 true JPH0380253B2 (enrdf_load_stackoverflow) | 1991-12-24 |
Family
ID=11529243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP243785A Granted JPS61161432A (ja) | 1985-01-10 | 1985-01-10 | 水晶式気体圧力計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61161432A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2593324B2 (ja) * | 1987-12-04 | 1997-03-26 | 株式会社長野計器製作所 | 気体圧力計 |
| JP2526987B2 (ja) * | 1988-05-17 | 1996-08-21 | 横河電機株式会社 | 振動式トランスデュ―サ |
| CN106123940A (zh) * | 2015-05-05 | 2016-11-16 | 北京康智乐思网络科技有限公司 | 一种数据采集装置及采集方法 |
-
1985
- 1985-01-10 JP JP243785A patent/JPS61161432A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61161432A (ja) | 1986-07-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |