DE2604485A1 - Elektrischer wandler - Google Patents
Elektrischer wandlerInfo
- Publication number
- DE2604485A1 DE2604485A1 DE19762604485 DE2604485A DE2604485A1 DE 2604485 A1 DE2604485 A1 DE 2604485A1 DE 19762604485 DE19762604485 DE 19762604485 DE 2604485 A DE2604485 A DE 2604485A DE 2604485 A1 DE2604485 A1 DE 2604485A1
- Authority
- DE
- Germany
- Prior art keywords
- coils
- coil
- circuit
- oscillator
- same frequency
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 230000010355 oscillation Effects 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 101150008103 hal gene Proteins 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 16
- 230000001939 inductive effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 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
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
- G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/95—Proximity switches using a magnetic detector
- H03K17/952—Proximity switches using a magnetic detector using inductive coils
- H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
- H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
- H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK40075A DK40075A (da) | 1975-02-06 | 1975-02-06 | Hvirvelstromstransducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2604485A1 true DE2604485A1 (de) | 1976-08-19 |
Family
ID=8093102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762604485 Pending DE2604485A1 (de) | 1975-02-06 | 1976-02-05 | Elektrischer wandler |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2604485A1 (da) |
| DK (1) | DK40075A (da) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029682A1 (en) * | 1979-11-21 | 1981-06-03 | LUCAS INDUSTRIES public limited company | Transducer |
| EP0319470A1 (de) * | 1987-12-01 | 1989-06-07 | Peter Heimlicher | Verfahren und Schaltung zur Reduktion der Temperaturabhängigkeit der Schwingparameter eines Oszillators |
| FR2980654A1 (fr) * | 2011-09-27 | 2013-03-29 | Schneider Electric Ind Sas | Oscillateur de detection lc pour detecteur de proximite inductif robuste aux environnements radiatifs |
-
1975
- 1975-02-06 DK DK40075A patent/DK40075A/da unknown
-
1976
- 1976-02-05 DE DE19762604485 patent/DE2604485A1/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029682A1 (en) * | 1979-11-21 | 1981-06-03 | LUCAS INDUSTRIES public limited company | Transducer |
| EP0319470A1 (de) * | 1987-12-01 | 1989-06-07 | Peter Heimlicher | Verfahren und Schaltung zur Reduktion der Temperaturabhängigkeit der Schwingparameter eines Oszillators |
| US4942372A (en) * | 1987-12-01 | 1990-07-17 | Peter Heimlicher | Method and circuit for reduction of temperature dependency in an oscillator |
| FR2980654A1 (fr) * | 2011-09-27 | 2013-03-29 | Schneider Electric Ind Sas | Oscillateur de detection lc pour detecteur de proximite inductif robuste aux environnements radiatifs |
Also Published As
| Publication number | Publication date |
|---|---|
| DK40075A (da) | 1976-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |