CH515499A - Piezoelektrischer Druckwandler - Google Patents
Piezoelektrischer DruckwandlerInfo
- Publication number
- CH515499A CH515499A CH1240670A CH1240670A CH515499A CH 515499 A CH515499 A CH 515499A CH 1240670 A CH1240670 A CH 1240670A CH 1240670 A CH1240670 A CH 1240670A CH 515499 A CH515499 A CH 515499A
- Authority
- CH
- Switzerland
- Prior art keywords
- pressure transducer
- piezoelectric pressure
- piezoelectric
- transducer
- pressure
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measuring Fluid Pressure (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86565169A | 1969-10-13 | 1969-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH515499A true CH515499A (de) | 1971-11-15 |
Family
ID=25345959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1240670A CH515499A (de) | 1969-10-13 | 1970-08-19 | Piezoelektrischer Druckwandler |
Country Status (3)
Country | Link |
---|---|
US (1) | US3651353A (de) |
CH (1) | CH515499A (de) |
DE (1) | DE2047360A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT369900B (de) * | 1981-05-20 | 1983-02-10 | List Hans | Messwertaufnehmer mit piezoelektrischem sensorelement |
EP0247126B1 (de) * | 1985-11-30 | 1990-05-02 | FERRANTI INTERNATIONAL plc | Rohrförmiger, akustischer sender |
US4837475A (en) * | 1987-10-02 | 1989-06-06 | Quartztronics, Inc. | Crystal resonator with low acceleration sensitivity and method of manufacture thereof |
FI102114B1 (fi) * | 1996-11-20 | 1998-10-15 | Vtt | Anturi äänenpaineen ja kiihtyvyyden mittaamiseksi |
CH691625A5 (de) * | 1997-09-15 | 2001-08-31 | Kk Holding Ag | Beschleunigungskompensierter Druckkaufnehmer. |
US6017313A (en) | 1998-03-20 | 2000-01-25 | Hypertension Diagnostics, Inc. | Apparatus and method for blood pressure pulse waveform contour analysis |
US6159166A (en) * | 1998-03-20 | 2000-12-12 | Hypertension Diagnostics, Inc. | Sensor and method for sensing arterial pulse pressure |
US6132383A (en) | 1998-03-20 | 2000-10-17 | Hypertension Diagnostics, Inc. | Apparatus for holding and positioning an arterial pulse pressure sensor |
US6276212B1 (en) * | 1999-07-08 | 2001-08-21 | Trw Inc. | Ultrasonic transducer |
US6331161B1 (en) | 1999-09-10 | 2001-12-18 | Hypertension Diagnostics, Inc | Method and apparatus for fabricating a pressure-wave sensor with a leveling support element |
US6733461B2 (en) | 2002-08-01 | 2004-05-11 | Hypertension Diagnostics, Inc. | Methods and apparatus for measuring arterial compliance, improving pressure calibration, and computing flow from pressure data |
WO2006131015A2 (de) * | 2005-06-10 | 2006-12-14 | Kistler Holding Ag | Drucksensor mit aktiver und passiver beschleunigungskompensation |
AT503664B1 (de) * | 2006-04-13 | 2007-12-15 | Piezocryst Advanced Sensorics | Piezoelektrischer drucksensor |
DE102006049079A1 (de) * | 2006-10-13 | 2008-04-17 | Robert Bosch Gmbh | Druckmesseinrichtung |
CN100397086C (zh) * | 2007-07-09 | 2008-06-25 | 北京信息工程学院 | 新型压电石英加速度计 |
DE102010019739A1 (de) * | 2009-12-07 | 2011-06-09 | Siemens Aktiengesellschaft | Überlastgeschützter piezoelektrischer Energiewandler |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2507636A (en) * | 1948-08-06 | 1950-05-16 | Schweizerische Lokomotiv | Piezoelectric means for converting pressure variations into potential variations |
US2808522A (en) * | 1953-02-26 | 1957-10-01 | Gulton Ind Inc | Accelerometer |
US3030606A (en) * | 1953-03-19 | 1962-04-17 | Wilbur T Harris | Hollow conical electromechanical transducer |
US2849629A (en) * | 1955-08-16 | 1958-08-26 | Charles W Kissinger | Chatter accelerometer |
US3150274A (en) * | 1959-10-02 | 1964-09-22 | List Hans | Piezoelectric pressure transducer |
US3374663A (en) * | 1965-04-16 | 1968-03-26 | Electronic Systems Inc | Vibration detector |
US3348076A (en) * | 1965-05-10 | 1967-10-17 | Eduard A Gerber | Piezoelectric accelerometer |
US3349259A (en) * | 1965-05-27 | 1967-10-24 | Kistler Instr Corp | Piezoelectric pressure transducer |
CH442797A (de) * | 1965-06-22 | 1967-08-31 | List Hans Dipl Ing Dr Dr H C P | Piezoelektrischer Druckgeber und Verfahren zu seiner Herstellung |
US3311873A (en) * | 1965-11-10 | 1967-03-28 | Schloss Fred | Intensity meter, particle acceleration type |
-
1969
- 1969-10-13 US US865651A patent/US3651353A/en not_active Expired - Lifetime
-
1970
- 1970-08-19 CH CH1240670A patent/CH515499A/de not_active IP Right Cessation
- 1970-09-25 DE DE19702047360 patent/DE2047360A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2047360A1 (de) | 1971-04-29 |
US3651353A (en) | 1972-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |