FR2169080A1 - - Google Patents
Info
- Publication number
- FR2169080A1 FR2169080A1 FR7301682A FR7301682A FR2169080A1 FR 2169080 A1 FR2169080 A1 FR 2169080A1 FR 7301682 A FR7301682 A FR 7301682A FR 7301682 A FR7301682 A FR 7301682A FR 2169080 A1 FR2169080 A1 FR 2169080A1
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
- H03K17/951—Measures for supplying operating voltage to the detector circuit
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electronic Switches (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722203038 DE2203038C3 (de) | 1972-01-22 | 1972-01-22 | Elektronisches, berührungslos arbeitendes Schaltgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2169080A1 true FR2169080A1 (sk) | 1973-09-07 |
FR2169080B1 FR2169080B1 (sk) | 1976-08-27 |
Family
ID=5833739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7301682A Expired FR2169080B1 (sk) | 1972-01-22 | 1973-01-18 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5416837B2 (sk) |
CH (1) | CH564288A5 (sk) |
DE (1) | DE2203038C3 (sk) |
FR (1) | FR2169080B1 (sk) |
GB (1) | GB1423311A (sk) |
IT (1) | IT978329B (sk) |
SE (1) | SE381543B (sk) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2552310C3 (de) * | 1974-11-22 | 1988-02-11 | Square D Co., Park Ridge, Ill. | Elektrischer Annäherungsschalter |
DE2515654B2 (de) * | 1975-04-10 | 1979-10-18 | Klaschka, Walter, Dr.-Ing., 7531 Tiefenbronn | Annäherungsschalter |
JPS57188291A (en) * | 1981-05-14 | 1982-11-19 | Nippon Kentetsu Co Ltd | Dehydration control system of washing machine |
DE3321838A1 (de) * | 1983-06-16 | 1984-12-20 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer einen naeherungsschalter mit zwei anschluessen |
GB2195441A (en) * | 1986-09-02 | 1988-04-07 | Ritchie Gordon S | In-line proximity switch |
US4803418A (en) * | 1986-09-02 | 1989-02-07 | Ritchie Gordon S | In-line electrical switch for AC power supply |
DE3722335A1 (de) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | Elektronisches, vorzugsweise beruehrungslos arbeitendes schaltgeraet |
DE4111297C1 (sk) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE4023529C3 (de) * | 1990-06-11 | 1995-12-07 | Ifm Electronic Gmbh | Induktiver, kapazitiver oder optischer Näherungsschalter |
DE4023502A1 (de) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Elektronisches schaltgeraet |
DE4114763C1 (sk) * | 1991-05-06 | 1992-11-05 | Ifm Electronic Gmbh, 4300 Essen, De |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3254236A (en) * | 1963-11-29 | 1966-05-31 | Gen Electric | Voltage sharing circuit |
-
1972
- 1972-01-22 DE DE19722203038 patent/DE2203038C3/de not_active Expired
-
1973
- 1973-01-18 CH CH67673A patent/CH564288A5/xx not_active IP Right Cessation
- 1973-01-18 FR FR7301682A patent/FR2169080B1/fr not_active Expired
- 1973-01-18 JP JP745973A patent/JPS5416837B2/ja not_active Expired
- 1973-01-19 SE SE7300746A patent/SE381543B/xx unknown
- 1973-01-22 IT IT1942673A patent/IT978329B/it active
- 1973-01-22 GB GB312173A patent/GB1423311A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3254236A (en) * | 1963-11-29 | 1966-05-31 | Gen Electric | Voltage sharing circuit |
Also Published As
Publication number | Publication date |
---|---|
DE2203038A1 (de) | 1973-07-26 |
DE2203038C3 (de) | 1975-10-09 |
CH564288A5 (sk) | 1975-07-15 |
JPS5416837B2 (sk) | 1979-06-25 |
SE381543B (sv) | 1975-12-08 |
DE2203038B2 (de) | 1975-03-06 |
FR2169080B1 (sk) | 1976-08-27 |
JPS504970A (sk) | 1975-01-20 |
GB1423311A (en) | 1976-02-04 |
IT978329B (it) | 1974-09-20 |