JPS62130326A - 水晶式気体圧力計 - Google Patents
水晶式気体圧力計Info
- Publication number
- JPS62130326A JPS62130326A JP27103985A JP27103985A JPS62130326A JP S62130326 A JPS62130326 A JP S62130326A JP 27103985 A JP27103985 A JP 27103985A JP 27103985 A JP27103985 A JP 27103985A JP S62130326 A JPS62130326 A JP S62130326A
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- crystal
- frequency
- variable frequency
- crystal resonator
- 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.)
- Granted
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 77
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 abstract description 24
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000010408 sweeping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009738 saturating Methods 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 |
---|---|---|---|
JP27103985A JPS62130326A (ja) | 1985-12-02 | 1985-12-02 | 水晶式気体圧力計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27103985A JPS62130326A (ja) | 1985-12-02 | 1985-12-02 | 水晶式気体圧力計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62130326A true JPS62130326A (ja) | 1987-06-12 |
JPH049451B2 JPH049451B2 (enrdf_load_stackoverflow) | 1992-02-20 |
Family
ID=17494548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27103985A Granted JPS62130326A (ja) | 1985-12-02 | 1985-12-02 | 水晶式気体圧力計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62130326A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013132842A1 (ja) * | 2012-03-07 | 2013-09-12 | パナソニック株式会社 | 荷重センサ |
-
1985
- 1985-12-02 JP JP27103985A patent/JPS62130326A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013132842A1 (ja) * | 2012-03-07 | 2013-09-12 | パナソニック株式会社 | 荷重センサ |
CN104160255A (zh) * | 2012-03-07 | 2014-11-19 | 松下电器产业株式会社 | 载荷传感器 |
Also Published As
Publication number | Publication date |
---|---|
JPH049451B2 (enrdf_load_stackoverflow) | 1992-02-20 |
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