FR2658014A1 - Interrupteur de proximite electronique par variation de champ magnetique. - Google Patents
Interrupteur de proximite electronique par variation de champ magnetique. Download PDFInfo
- Publication number
- FR2658014A1 FR2658014A1 FR9101093A FR9101093A FR2658014A1 FR 2658014 A1 FR2658014 A1 FR 2658014A1 FR 9101093 A FR9101093 A FR 9101093A FR 9101093 A FR9101093 A FR 9101093A FR 2658014 A1 FR2658014 A1 FR 2658014A1
- Authority
- FR
- France
- Prior art keywords
- coil
- proximity switch
- oscillating circuit
- circuit
- switch according
- Prior art date
- 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
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000005300 metallic glass Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 4
- 230000035699 permeability Effects 0.000 claims abstract description 3
- 230000010355 oscillation Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229940087654 iron carbonyl Drugs 0.000 claims 1
- 239000002966 varnish Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- H03K17/953—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator
- H03K17/9535—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator with variable amplitude
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0036—Means reducing energy consumption
Landscapes
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904003426 DE4003426B4 (de) | 1989-11-15 | 1990-02-06 | Magnetfeldabhängiger elektronischer Annäherungsschalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2658014A1 true FR2658014A1 (fr) | 1991-08-09 |
| FR2658014B1 FR2658014B1 (OSRAM) | 1994-04-22 |
Family
ID=6399491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9101093A Granted FR2658014A1 (fr) | 1990-02-06 | 1991-01-31 | Interrupteur de proximite electronique par variation de champ magnetique. |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5239204A (OSRAM) |
| FR (1) | FR2658014A1 (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225172A1 (de) * | 1992-07-30 | 1994-02-03 | Bosch Gmbh Robert | Meßeinrichtung zur berührungsfreien Erfassung eines Meßsignals |
| US5801530A (en) * | 1995-04-17 | 1998-09-01 | Namco Controls Corporation | Proximity sensor having a non-ferrous metal shield for enhanced sensing range |
| US5952822A (en) * | 1996-10-24 | 1999-09-14 | Allen-Bradley Company, Llc | Method and apparatus for proximity sensing in the presence of an external field |
| DE10057773B4 (de) | 2000-11-22 | 2021-05-27 | Werner Turck Gmbh & Co. Kg | Näherungsschalter |
| NO20080077L (no) * | 2008-01-04 | 2009-07-06 | Harald Benestad | Sensor og deteksjonsanordning for anvendelse av sensoren |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2241094A1 (de) * | 1972-08-21 | 1974-03-07 | Siemens Ag | Spule |
| DE8132269U1 (de) * | 1981-11-04 | 1985-11-28 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches Erregersystem |
| EP0218042A2 (de) * | 1985-10-02 | 1987-04-15 | Werner Turck GmbH & Co. KG | Magnetfeldabhängiger, elektronischer Annäherungsschalter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011510A (en) * | 1975-01-23 | 1977-03-08 | The Foxboro Company | Signal-responsive apparatus having magnetic-particle-friction memory |
| DE3133048A1 (de) * | 1980-08-29 | 1982-04-08 | Aisin Seiki K.K., Kariya, Aichi | Stellungsfuehler |
| DE3704893A1 (de) * | 1987-02-17 | 1988-08-25 | Turck Werner Kg | Anordnung fuer naeherungsschalter zum schutz gegen signalverfaelschung durch magnetische wechselfelder |
-
1991
- 1991-01-31 FR FR9101093A patent/FR2658014A1/fr active Granted
- 1991-02-05 US US07/650,892 patent/US5239204A/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2241094A1 (de) * | 1972-08-21 | 1974-03-07 | Siemens Ag | Spule |
| DE8132269U1 (de) * | 1981-11-04 | 1985-11-28 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches Erregersystem |
| EP0218042A2 (de) * | 1985-10-02 | 1987-04-15 | Werner Turck GmbH & Co. KG | Magnetfeldabhängiger, elektronischer Annäherungsschalter |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 14, no. 130 (E-901)12 Mars 1990 & JP-A-13 21 607 ( MATSUSHITA ELECTRIC IND CO LTD ) 27 Décembre 1989 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US5239204A (en) | 1993-08-24 |
| FR2658014B1 (OSRAM) | 1994-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20060929 |