CH442773A - Dispositif électronique de mesure de très faibles déplacements - Google Patents
Dispositif électronique de mesure de très faibles déplacementsInfo
- Publication number
- CH442773A CH442773A CH723666A CH723666A CH442773A CH 442773 A CH442773 A CH 442773A CH 723666 A CH723666 A CH 723666A CH 723666 A CH723666 A CH 723666A CH 442773 A CH442773 A CH 442773A
- Authority
- CH
- Switzerland
- Prior art keywords
- diode
- circuit
- foil
- constituted
- capacitor
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 title claims description 10
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000011888 foil Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
-
- 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
-
- 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
- G01L9/125—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 with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR17550A FR1445571A (fr) | 1965-05-19 | 1965-05-19 | Dispositif électronique de mesure de très faibles déplacements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH442773A true CH442773A (fr) | 1967-08-31 |
Family
ID=8579094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH723666A CH442773A (fr) | 1965-05-19 | 1966-05-18 | Dispositif électronique de mesure de très faibles déplacements |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE680872A (enrdf_load_stackoverflow) |
| CH (1) | CH442773A (enrdf_load_stackoverflow) |
| DE (1) | DE1290343B (enrdf_load_stackoverflow) |
| ES (1) | ES326923A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1445571A (enrdf_load_stackoverflow) |
| GB (1) | GB1138728A (enrdf_load_stackoverflow) |
| NL (1) | NL6606790A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345823A (en) * | 1991-11-12 | 1994-09-13 | Texas Instruments Incorporated | Accelerometer |
| US5555766A (en) * | 1993-11-04 | 1996-09-17 | Texas Instruments Incorporated | Acceleration sensor apparatus and method for making same |
-
1965
- 1965-05-19 FR FR17550A patent/FR1445571A/fr not_active Expired
-
1966
- 1966-05-11 BE BE680872D patent/BE680872A/xx unknown
- 1966-05-17 NL NL6606790A patent/NL6606790A/xx unknown
- 1966-05-18 DE DE1966A0052519 patent/DE1290343B/de not_active Withdrawn
- 1966-05-18 ES ES0326923A patent/ES326923A1/es not_active Expired
- 1966-05-18 CH CH723666A patent/CH442773A/fr unknown
- 1966-05-19 GB GB2235666A patent/GB1138728A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6606790A (enrdf_load_stackoverflow) | 1966-11-21 |
| DE1290343B (de) | 1969-03-06 |
| ES326923A1 (es) | 1967-03-16 |
| BE680872A (enrdf_load_stackoverflow) | 1966-10-17 |
| GB1138728A (en) | 1969-01-01 |
| FR1445571A (fr) | 1966-07-15 |
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