JPS6322531B2 - - Google Patents
Info
- Publication number
- JPS6322531B2 JPS6322531B2 JP13918081A JP13918081A JPS6322531B2 JP S6322531 B2 JPS6322531 B2 JP S6322531B2 JP 13918081 A JP13918081 A JP 13918081A JP 13918081 A JP13918081 A JP 13918081A JP S6322531 B2 JPS6322531 B2 JP S6322531B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- level
- signal
- fundamental frequency
- peak level
- 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
- 238000000034 method Methods 0.000 claims description 16
- 230000002950 deficient Effects 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 9
- 238000007689 inspection Methods 0.000 description 5
- 238000009924 canning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 235000013324 preserved food Nutrition 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13918081A JPS5839921A (ja) | 1981-09-02 | 1981-09-02 | 密封容器の内圧検査方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13918081A JPS5839921A (ja) | 1981-09-02 | 1981-09-02 | 密封容器の内圧検査方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5839921A JPS5839921A (ja) | 1983-03-08 |
JPS6322531B2 true JPS6322531B2 (en]) | 1988-05-12 |
Family
ID=15239421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13918081A Granted JPS5839921A (ja) | 1981-09-02 | 1981-09-02 | 密封容器の内圧検査方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5839921A (en]) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0241078U (en]) * | 1988-09-12 | 1990-03-20 | ||
JPH04263713A (ja) * | 1991-02-19 | 1992-09-18 | Mitsubishi Heavy Ind Ltd | 空気調和機の室内ユニット |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5591900A (en) * | 1992-12-04 | 1997-01-07 | Trw Vehicle Safety Systems Inc. | Method and apparatus for testing fluid pressure in a sealed vessel |
-
1981
- 1981-09-02 JP JP13918081A patent/JPS5839921A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0241078U (en]) * | 1988-09-12 | 1990-03-20 | ||
JPH04263713A (ja) * | 1991-02-19 | 1992-09-18 | Mitsubishi Heavy Ind Ltd | 空気調和機の室内ユニット |
Also Published As
Publication number | Publication date |
---|---|
JPS5839921A (ja) | 1983-03-08 |
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