FR2069347A5 - - Google Patents
Info
- Publication number
- FR2069347A5 FR2069347A5 FR7040649A FR7040649A FR2069347A5 FR 2069347 A5 FR2069347 A5 FR 2069347A5 FR 7040649 A FR7040649 A FR 7040649A FR 7040649 A FR7040649 A FR 7040649A FR 2069347 A5 FR2069347 A5 FR 2069347A5
- 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
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/10—Measuring characteristics of vibrations in solids by using direct conduction to the detector of torsional vibrations
-
- 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
- H03K17/28—Modifications for introducing a time delay before switching
-
- 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
-
- 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
- H03K17/955—Proximity switches using a capacitive detector
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Geophysics And Detection Of Objects (AREA)
- Electronic Switches (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87677469A | 1969-11-14 | 1969-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2069347A5 true FR2069347A5 (fr) | 1971-09-03 |
Family
ID=25368551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7040649A Expired FR2069347A5 (fr) | 1969-11-14 | 1970-11-13 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3609580A (fr) |
JP (1) | JPS4916155B1 (fr) |
CA (1) | CA939039A (fr) |
CH (1) | CH531702A (fr) |
DE (1) | DE2054143A1 (fr) |
FR (1) | FR2069347A5 (fr) |
GB (1) | GB1318907A (fr) |
NL (1) | NL7016610A (fr) |
SE (1) | SE356816B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0762147A1 (fr) * | 1995-09-08 | 1997-03-12 | Schneider Electric Sa | Détecteur de proximité inductif universel |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2021102C3 (de) * | 1970-04-29 | 1974-01-03 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Induktiver Meßumformer zum berührungslosen Registrieren von Gegenständen |
DE2046336A1 (de) * | 1970-09-19 | 1972-04-27 | Daimler Benz Ag | Elektronischer Weggeber |
US3883796A (en) * | 1972-09-05 | 1975-05-13 | Acme Cleveland Corp | Proximity probe with output proportional to target distance |
US3870948A (en) * | 1972-09-05 | 1975-03-11 | Acme Cleveland Corp | Proximity circuit with active device feedback |
GB1512799A (en) * | 1974-11-06 | 1978-06-01 | Nippon Kokan Kk | Apparatus for non-contact measurement of distance between a metallic body and a detection coil |
US4001718A (en) * | 1975-05-12 | 1977-01-04 | Electro Corporation | Linear oscillator for proximity sensor |
US4580097A (en) * | 1981-10-15 | 1986-04-01 | Automation Systems, Inc. | Electronic proximity sensor which is responsive to induced resistance |
US4678992A (en) * | 1983-07-12 | 1987-07-07 | Hi-Tech Systems, Corp. | Electronic metal detector |
US4859940A (en) * | 1987-09-09 | 1989-08-22 | Westinghouse Electric Corp. | Apparatus for detecting onset of slag entrainment in a molten metal stream |
GB2263025B (en) * | 1991-12-31 | 1996-01-03 | Square D Co | Improvements in or relating to proximity switches |
US5291782A (en) * | 1993-02-16 | 1994-03-08 | Taylor Howard E | Eddy current position sensor |
US5528142A (en) * | 1995-06-19 | 1996-06-18 | Feickert; Carl A. | Resonant eddy analysis- a contactless, inductive method for deriving quantitative information about the conductivity and permeability of a test sample |
WO1997021070A1 (fr) * | 1995-12-05 | 1997-06-12 | Skf Condition Monitoring | Circuit d'attaque pour sonde de proximite a courant de foucault |
US5854553A (en) * | 1996-06-19 | 1998-12-29 | Skf Condition Monitoring | Digitally linearizing eddy current probe |
DE19652146B4 (de) * | 1996-12-14 | 2006-06-29 | Sennheiser Electronic Gmbh & Co. Kg | Rauscharme Oszillatorschaltung |
US6215365B1 (en) * | 1999-06-04 | 2001-04-10 | Pepperl + Fuchs | Inductive proximity sensor oscillator |
US6359449B1 (en) | 1999-06-29 | 2002-03-19 | Intellectual Property Llc | Single coil conductance measuring apparatus |
US6650111B2 (en) * | 2001-07-18 | 2003-11-18 | Eaton Corporation | Pulsed excited proximity sensor |
US6471106B1 (en) | 2001-11-15 | 2002-10-29 | Intellectual Property Llc | Apparatus and method for restricting the discharge of fasteners from a tool |
US7528597B2 (en) * | 2004-03-08 | 2009-05-05 | Digisensors, Inc. | Induction sensor |
US20050229878A1 (en) * | 2004-03-08 | 2005-10-20 | Taylor G B | Electronic valve actuator |
US7129701B2 (en) * | 2004-11-18 | 2006-10-31 | Simmonds Precision Products, Inc. | Method of inductive proximity sensing |
US7511476B2 (en) * | 2005-01-04 | 2009-03-31 | Digisensors, Inc. | Electromagnetic sensor systems and methods of use thereof |
US7898244B2 (en) * | 2005-03-07 | 2011-03-01 | Digisensors, Inc. | Electromagnetic sensor systems |
US7816911B2 (en) * | 2005-03-07 | 2010-10-19 | Digisensors, Inc. | Electromagnetic sensor systems |
WO2007016045A1 (fr) * | 2005-07-27 | 2007-02-08 | Analog Devices, Inc. | Structure de transistor distribuee pour diviseur de puissance de teledistribution actif a linearite elevee |
DE102007051715B4 (de) * | 2007-10-30 | 2011-11-10 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Elektrostatisch angetriebener Mikroaktor |
CZ2013205A3 (cs) * | 2013-03-22 | 2014-10-22 | Rieter Cz S.R.O. | Zařízení pro snímání polohy otáčejícího se pracovního prostředku v aktivním magnetickém ložisku |
US20150022190A1 (en) * | 2013-07-19 | 2015-01-22 | Gordon Brandt Taylor | Inductive Position Sensor |
-
1969
- 1969-11-14 US US876774A patent/US3609580A/en not_active Expired - Lifetime
-
1970
- 1970-09-24 CA CA093921A patent/CA939039A/en not_active Expired
- 1970-10-28 GB GB5113570A patent/GB1318907A/en not_active Expired
- 1970-11-04 DE DE19702054143 patent/DE2054143A1/de active Pending
- 1970-11-04 JP JP45096546A patent/JPS4916155B1/ja active Pending
- 1970-11-11 CH CH1668570A patent/CH531702A/de not_active IP Right Cessation
- 1970-11-12 NL NL7016610A patent/NL7016610A/xx unknown
- 1970-11-13 FR FR7040649A patent/FR2069347A5/fr not_active Expired
- 1970-11-16 SE SE15487/70A patent/SE356816B/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0762147A1 (fr) * | 1995-09-08 | 1997-03-12 | Schneider Electric Sa | Détecteur de proximité inductif universel |
FR2738643A1 (fr) * | 1995-09-08 | 1997-03-14 | Schneider Electric Sa | Detecteur de proximite inductif universel |
US5767672A (en) * | 1995-09-08 | 1998-06-16 | Schneider Electric Sa | Inductive proximity sensor for detecting magnetic and non-magnetic metallic objects |
Also Published As
Publication number | Publication date |
---|---|
US3609580A (en) | 1971-09-28 |
NL7016610A (fr) | 1971-05-18 |
DE2054143A1 (de) | 1971-05-27 |
SE356816B (fr) | 1973-06-04 |
CH531702A (de) | 1972-12-15 |
JPS4916155B1 (fr) | 1974-04-19 |
GB1318907A (en) | 1973-05-31 |
CA939039A (en) | 1973-12-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |