JPS60158322A - 音響センサ− - Google Patents
音響センサ−Info
- Publication number
- JPS60158322A JPS60158322A JP1473784A JP1473784A JPS60158322A JP S60158322 A JPS60158322 A JP S60158322A JP 1473784 A JP1473784 A JP 1473784A JP 1473784 A JP1473784 A JP 1473784A JP S60158322 A JPS60158322 A JP S60158322A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- cylinder
- rod
- compression
- generated
- 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
- 230000037431 insertion Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 abstract description 12
- 238000007906 compression Methods 0.000 abstract description 12
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1473784A JPS60158322A (ja) | 1984-01-30 | 1984-01-30 | 音響センサ− |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1473784A JPS60158322A (ja) | 1984-01-30 | 1984-01-30 | 音響センサ− |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60158322A true JPS60158322A (ja) | 1985-08-19 |
JPH0436323B2 JPH0436323B2 (en:Method) | 1992-06-15 |
Family
ID=11869430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1473784A Granted JPS60158322A (ja) | 1984-01-30 | 1984-01-30 | 音響センサ− |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60158322A (en:Method) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4958515A (en) * | 1986-09-13 | 1990-09-25 | Robert Bosch Gmbh | Spark plug with a measurement device |
EP0697588A3 (de) * | 1994-07-20 | 1996-09-11 | Marco Systemanalyse Entw | Verfahren und Vorrichtung zum Analysieren des Körperschalls in festen Körpern |
WO2002077586A1 (de) * | 2001-03-22 | 2002-10-03 | Robert Bosch Gmbh | Schwingungsaufnehmer zur befestigung an einem schwingungen aufweisenden bauteil |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5745539U (en:Method) * | 1980-08-30 | 1982-03-13 | ||
JPS58139031A (ja) * | 1982-02-15 | 1983-08-18 | Mitsubishi Electric Corp | 振動検出器 |
-
1984
- 1984-01-30 JP JP1473784A patent/JPS60158322A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5745539U (en:Method) * | 1980-08-30 | 1982-03-13 | ||
JPS58139031A (ja) * | 1982-02-15 | 1983-08-18 | Mitsubishi Electric Corp | 振動検出器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4958515A (en) * | 1986-09-13 | 1990-09-25 | Robert Bosch Gmbh | Spark plug with a measurement device |
EP0697588A3 (de) * | 1994-07-20 | 1996-09-11 | Marco Systemanalyse Entw | Verfahren und Vorrichtung zum Analysieren des Körperschalls in festen Körpern |
WO2002077586A1 (de) * | 2001-03-22 | 2002-10-03 | Robert Bosch Gmbh | Schwingungsaufnehmer zur befestigung an einem schwingungen aufweisenden bauteil |
Also Published As
Publication number | Publication date |
---|---|
JPH0436323B2 (en:Method) | 1992-06-15 |
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