CH564288A5 - - Google Patents
Info
- Publication number
- CH564288A5 CH564288A5 CH67673A CH67673A CH564288A5 CH 564288 A5 CH564288 A5 CH 564288A5 CH 67673 A CH67673 A CH 67673A CH 67673 A CH67673 A CH 67673A CH 564288 A5 CH564288 A5 CH 564288A5
- Authority
- CH
- Switzerland
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
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- 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 (1)
| Publication Number | Publication Date |
|---|---|
| CH564288A5 true CH564288A5 (US20010021848A1-20010913-M00008.png) | 1975-07-15 |
Family
ID=5833739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH67673A CH564288A5 (US20010021848A1-20010913-M00008.png) | 1972-01-22 | 1973-01-18 |
Country Status (7)
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 |
| US4803418A (en) * | 1986-09-02 | 1989-02-07 | Ritchie Gordon S | In-line electrical switch for AC power supply |
| GB2195441A (en) * | 1986-09-02 | 1988-04-07 | Ritchie Gordon S | In-line proximity switch |
| DE3722335A1 (de) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | Elektronisches, vorzugsweise beruehrungslos arbeitendes schaltgeraet |
| DE4023529C3 (de) * | 1990-06-11 | 1995-12-07 | Ifm Electronic Gmbh | Induktiver, kapazitiver oder optischer Näherungsschalter |
| DE4111297C1 (US20010021848A1-20010913-M00008.png) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
| DE4023502A1 (de) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Elektronisches schaltgeraet |
| DE4114763C1 (US20010021848A1-20010913-M00008.png) * | 1991-05-06 | 1992-11-05 | Ifm Electronic Gmbh, 4300 Essen, De |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3254236A (en) * | 1963-11-29 | 1966-05-31 | Gen Electric | Voltage sharing circuit |
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1972
- 1972-01-22 DE DE19722203038 patent/DE2203038C3/de not_active Expired
-
1973
- 1973-01-18 JP JP745973A patent/JPS5416837B2/ja not_active Expired
- 1973-01-18 FR FR7301682A patent/FR2169080B1/fr not_active Expired
- 1973-01-18 CH CH67673A patent/CH564288A5/xx not_active IP Right Cessation
- 1973-01-19 SE SE7300746A patent/SE381543B/xx unknown
- 1973-01-22 GB GB312173A patent/GB1423311A/en not_active Expired
- 1973-01-22 IT IT1942673A patent/IT978329B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1423311A (en) | 1976-02-04 |
| SE381543B (sv) | 1975-12-08 |
| FR2169080A1 (US20010021848A1-20010913-M00008.png) | 1973-09-07 |
| FR2169080B1 (US20010021848A1-20010913-M00008.png) | 1976-08-27 |
| DE2203038C3 (de) | 1975-10-09 |
| DE2203038A1 (de) | 1973-07-26 |
| JPS5416837B2 (US20010021848A1-20010913-M00008.png) | 1979-06-25 |
| DE2203038B2 (de) | 1975-03-06 |
| IT978329B (it) | 1974-09-20 |
| JPS504970A (US20010021848A1-20010913-M00008.png) | 1975-01-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |