FR1598497A - - Google Patents
Info
- Publication number
- FR1598497A FR1598497A FR1598497DA FR1598497A FR 1598497 A FR1598497 A FR 1598497A FR 1598497D A FR1598497D A FR 1598497DA FR 1598497 A FR1598497 A FR 1598497A
- Authority
- FR
- France
- 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
Classifications
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- 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
- G01L9/12—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 by making use of variations in capacitance, i.e. electric circuits therefor
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- 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
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR178951 | 1968-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1598497A true FR1598497A (fr) | 1970-07-06 |
Family
ID=8658568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1598497D Expired FR1598497A (fr) | 1968-12-18 | 1968-12-18 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1598497A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2553885A1 (fr) * | 1983-10-21 | 1985-04-26 | Crouzet Badin Sa | Dispositif de mesure de pression |
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1968
- 1968-12-18 FR FR1598497D patent/FR1598497A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2553885A1 (fr) * | 1983-10-21 | 1985-04-26 | Crouzet Badin Sa | Dispositif de mesure de pression |
DE3438332A1 (de) * | 1983-10-21 | 1985-05-09 | Badin Crouzet, S.A., Chateaufort, Yvelines | Druckmessvorrichtung |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |