IT978329B - ELECTRONIC SWITCH FUNCTION NANTE FOR APPROXIMATION - Google Patents
ELECTRONIC SWITCH FUNCTION NANTE FOR APPROXIMATIONInfo
- Publication number
- IT978329B IT978329B IT1942673A IT1942673A IT978329B IT 978329 B IT978329 B IT 978329B IT 1942673 A IT1942673 A IT 1942673A IT 1942673 A IT1942673 A IT 1942673A IT 978329 B IT978329 B IT 978329B
- Authority
- IT
- Italy
- Prior art keywords
- nante
- approximation
- electronic switch
- switch function
- function
- Prior art date
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 (en) | 1972-01-22 | 1972-01-22 | Electronic, contactless switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT978329B true IT978329B (en) | 1974-09-20 |
Family
ID=5833739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1942673A IT978329B (en) | 1972-01-22 | 1973-01-22 | ELECTRONIC SWITCH FUNCTION NANTE FOR APPROXIMATION |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5416837B2 (en) |
| CH (1) | CH564288A5 (en) |
| DE (1) | DE2203038C3 (en) |
| FR (1) | FR2169080B1 (en) |
| GB (1) | GB1423311A (en) |
| IT (1) | IT978329B (en) |
| SE (1) | SE381543B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2552310C3 (en) * | 1974-11-22 | 1988-02-11 | Square D Co., Park Ridge, Ill. | Electrical proximity switch |
| DE2515654B2 (en) * | 1975-04-10 | 1979-10-18 | Klaschka, Walter, Dr.-Ing., 7531 Tiefenbronn | Proximity switch |
| JPS57188291A (en) * | 1981-05-14 | 1982-11-19 | Nippon Kentetsu Co Ltd | Dehydration control system of washing machine |
| DE3321838A1 (en) * | 1983-06-16 | 1984-12-20 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for a proximity switch with two connections |
| 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 (en) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
| DE4023529C3 (en) * | 1990-06-11 | 1995-12-07 | Ifm Electronic Gmbh | Inductive, capacitive or optical proximity switch |
| DE4111297C1 (en) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
| DE4023502A1 (en) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Electronic switch with e.g. opto-electronic proximity sensor |
| DE4114763C1 (en) * | 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 |
-
1972
- 1972-01-22 DE DE19722203038 patent/DE2203038C3/en not_active Expired
-
1973
- 1973-01-18 FR FR7301682A patent/FR2169080B1/fr not_active Expired
- 1973-01-18 JP JP745973A patent/JPS5416837B2/ja not_active Expired
- 1973-01-18 CH CH67673A patent/CH564288A5/xx not_active IP Right Cessation
- 1973-01-19 SE SE7300746A patent/SE381543B/en unknown
- 1973-01-22 GB GB312173A patent/GB1423311A/en not_active Expired
- 1973-01-22 IT IT1942673A patent/IT978329B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2203038A1 (en) | 1973-07-26 |
| FR2169080B1 (en) | 1976-08-27 |
| CH564288A5 (en) | 1975-07-15 |
| JPS504970A (en) | 1975-01-20 |
| SE381543B (en) | 1975-12-08 |
| JPS5416837B2 (en) | 1979-06-25 |
| FR2169080A1 (en) | 1973-09-07 |
| DE2203038B2 (en) | 1975-03-06 |
| DE2203038C3 (en) | 1975-10-09 |
| GB1423311A (en) | 1976-02-04 |
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