CH535952A - Piezoelectric unit, consisting of a piezoelectric transducer and an amplifier connected to it - Google Patents
Piezoelectric unit, consisting of a piezoelectric transducer and an amplifier connected to itInfo
- Publication number
- CH535952A CH535952A CH939971A CH939971A CH535952A CH 535952 A CH535952 A CH 535952A CH 939971 A CH939971 A CH 939971A CH 939971 A CH939971 A CH 939971A CH 535952 A CH535952 A CH 535952A
- Authority
- CH
- Switzerland
- Prior art keywords
- piezoelectric
- amplifier connected
- unit
- transducer
- piezoelectric transducer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/008—Transmitting or indicating the displacement of flexible diaphragms using piezoelectric devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT605770 | 1970-07-03 | ||
AT749470A AT329300B (en) | 1970-08-18 | 1970-08-18 | PIEZOELECTRIC UNIT |
Publications (1)
Publication Number | Publication Date |
---|---|
CH535952A true CH535952A (en) | 1973-04-15 |
Family
ID=25602757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH939971A CH535952A (en) | 1970-07-03 | 1971-06-25 | Piezoelectric unit, consisting of a piezoelectric transducer and an amplifier connected to it |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH535952A (en) |
DE (1) | DE2130588B2 (en) |
GB (1) | GB1315066A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0145480B1 (en) * | 1983-12-15 | 1990-04-11 | Texas Instruments Incorporated | Cylinder pressure transmitter for an internal combustion engine |
DE3416111A1 (en) * | 1984-04-30 | 1985-11-07 | Martin Drunck | Method for recording a multi-channel digitised signal on a video tape |
GB2167864B (en) * | 1984-11-30 | 1988-10-19 | Richard Denness | Carburation balancing by piezo electric transducers |
IT206726Z2 (en) * | 1985-09-17 | 1987-10-01 | Marelli Autronica | PRESSURE METER DEVICE |
-
1971
- 1971-06-21 DE DE19712130588 patent/DE2130588B2/en active Granted
- 1971-06-24 GB GB2961371A patent/GB1315066A/en not_active Expired
- 1971-06-25 CH CH939971A patent/CH535952A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2130588B2 (en) | 1973-08-30 |
DE2130588A1 (en) | 1972-01-05 |
GB1315066A (en) | 1973-04-26 |
DE2130588C3 (en) | 1974-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |