FR2281578B1 - - Google Patents
Info
- Publication number
- FR2281578B1 FR2281578B1 FR7427444A FR7427444A FR2281578B1 FR 2281578 B1 FR2281578 B1 FR 2281578B1 FR 7427444 A FR7427444 A FR 7427444A FR 7427444 A FR7427444 A FR 7427444A FR 2281578 B1 FR2281578 B1 FR 2281578B1
- 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
-
- 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
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- 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
- G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
- G01V3/102—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
Landscapes
- 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)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427444A FR2281578A1 (fr) | 1974-08-07 | 1974-08-07 | Detecteur de proximite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427444A FR2281578A1 (fr) | 1974-08-07 | 1974-08-07 | Detecteur de proximite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2281578A1 FR2281578A1 (fr) | 1976-03-05 |
| FR2281578B1 true FR2281578B1 (cg-RX-API-DMAC10.html) | 1979-10-19 |
Family
ID=9142204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7427444A Granted FR2281578A1 (fr) | 1974-08-07 | 1974-08-07 | Detecteur de proximite |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2281578A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3920051A1 (de) * | 1989-06-20 | 1991-01-03 | Euchner & Co | Oszillator, insbesondere fuer einen beruehrungslos arbeitenden induktiven naeherungssensor oder naeherungsschalter |
| FR2657696B1 (fr) * | 1990-02-01 | 1992-07-24 | Centre Nat Rech Scient | Dispositif de detection de corps metalliques, en particulier de fines particules. |
| DE4317359A1 (de) * | 1993-05-25 | 1994-12-01 | Balluff Gebhard Feinmech | Sensor |
| FR2718853B1 (fr) * | 1994-04-18 | 1996-05-15 | Telemecanique | Détecteur de proximité inductif à fréquence ajustable. |
| US8319500B2 (en) | 2010-05-24 | 2012-11-27 | Honeywell International Inc. | Proximity sensor with health monitoring |
| US9110103B2 (en) | 2010-05-24 | 2015-08-18 | Honeywell International Inc. | Temperature compensated proximity sensor |
| DE102018126648A1 (de) * | 2018-10-25 | 2020-04-30 | Pepperl + Fuchs Gmbh | Dynamischer Sensor für Messgeräte |
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1974
- 1974-08-07 FR FR7427444A patent/FR2281578A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281578A1 (fr) | 1976-03-05 |