DK40075A - Eddy current transducers - Google Patents
Eddy current transducersInfo
- Publication number
- DK40075A DK40075A DK40075A DK40075A DK40075A DK 40075 A DK40075 A DK 40075A DK 40075 A DK40075 A DK 40075A DK 40075 A DK40075 A DK 40075A DK 40075 A DK40075 A DK 40075A
- Authority
- DK
- Denmark
- Prior art keywords
- eddy current
- current transducers
- transducers
- eddy
- current
- Prior art date
Links
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)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK40075A DK40075A (en) | 1975-02-06 | 1975-02-06 | Eddy current transducers |
DE19762604485 DE2604485A1 (en) | 1975-02-06 | 1976-02-05 | Electric transducer to detect presence of a body - comprises two coupled coils and circuits tuned to the same frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK40075A DK40075A (en) | 1975-02-06 | 1975-02-06 | Eddy current transducers |
Publications (1)
Publication Number | Publication Date |
---|---|
DK40075A true DK40075A (en) | 1976-08-07 |
Family
ID=8093102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK40075A DK40075A (en) | 1975-02-06 | 1975-02-06 | Eddy current transducers |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2604485A1 (en) |
DK (1) | DK40075A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029682A1 (en) * | 1979-11-21 | 1981-06-03 | LUCAS INDUSTRIES public limited company | Transducer |
CH675039A5 (en) * | 1987-12-01 | 1990-08-15 | Peter Heimlicher | |
FR2980654B1 (en) * | 2011-09-27 | 2019-08-02 | Schneider Electric Industries Sas | LC DETECTION OSCILLATOR FOR INDUCTIVE PROXIMITY DETECTOR ROBUST RADIATIVE ENVIRONMENTS |
-
1975
- 1975-02-06 DK DK40075A patent/DK40075A/en unknown
-
1976
- 1976-02-05 DE DE19762604485 patent/DE2604485A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2604485A1 (en) | 1976-08-19 |
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