ES330403A1 - Perfeccionamiento en la construccion de detectores de oscilador. - Google Patents

Perfeccionamiento en la construccion de detectores de oscilador.

Info

Publication number
ES330403A1
ES330403A1 ES0330403A ES330403A ES330403A1 ES 330403 A1 ES330403 A1 ES 330403A1 ES 0330403 A ES0330403 A ES 0330403A ES 330403 A ES330403 A ES 330403A ES 330403 A1 ES330403 A1 ES 330403A1
Authority
ES
Spain
Prior art keywords
coil
circuit
capacity
oscillator
whose
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.)
Expired
Application number
ES0330403A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of ES330403A1 publication Critical patent/ES330403A1/es
Expired legal-status Critical Current

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
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors

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)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
ES0330403A 1965-08-20 1966-08-19 Perfeccionamiento en la construccion de detectores de oscilador. Expired ES330403A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28987A FR1507154A (fr) 1965-08-20 1965-08-20 Détecteur à oscillateur

Publications (1)

Publication Number Publication Date
ES330403A1 true ES330403A1 (es) 1967-06-16

Family

ID=8586988

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0330403A Expired ES330403A1 (es) 1965-08-20 1966-08-19 Perfeccionamiento en la construccion de detectores de oscilador.

Country Status (8)

Country Link
US (1) US3457465A (en:Method)
BE (1) BE685330A (en:Method)
CH (1) CH443504A (en:Method)
DE (1) DE1299429B (en:Method)
ES (1) ES330403A1 (en:Method)
FR (1) FR1507154A (en:Method)
GB (1) GB1084348A (en:Method)
SE (1) SE346628B (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458740C3 (de) * 1970-06-04 1982-11-11 Geb. Kestler Christl 8728 Hassfurt Voll Metallsuchgerät in einem handlichen, tragbaren Gehäuse zur Auffindung von verdeckten metallischen Einschlüssen
DE2027408C3 (de) * 1970-06-04 1974-12-12 8728 Hassfurt Voll Christl Metallsuchgerät in einem handlichen, tragbaren Gehäuse zur Auffindung von verdeckten metallischen Einschlüssen
FR2522830B1 (fr) * 1982-03-05 1985-09-06 Petercem Sa Procede et dispositif de detection d'une cible magnetique dans une zone de proximite definie
FR2596643B1 (fr) * 1986-04-07 1988-06-24 Mtm Leader Guidage d'un mobile selon un trajet predetermine sur une aire support
US4839602A (en) * 1986-11-04 1989-06-13 Philip Morris Incorporated Means for detecting metal in a stream of particulate matter
CN108168950A (zh) * 2018-01-12 2018-06-15 杭州启绿科技有限公司 基于磁导传感的样液定值采样装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB815911A (en) * 1956-02-06 1959-07-01 Gen Electric Co Ltd Improvements in or relating to oscillator circuits incorporating junction transistors
DE1031532B (de) * 1953-12-23 1958-06-04 Siemens Ag Anordnung zur Umsetzung mechanischer Groessen in elektrische Groessen in der Fernmeldetechnik, fuer UEberwachungs-schaltungen, Messwertumformer, Messwertverstaerker od. dgl.
US2889496A (en) * 1954-07-09 1959-06-02 Honeywell Regulator Co Electrical control apparatus
US2907931A (en) * 1954-07-09 1959-10-06 Honeywell Regulator Co Control apparatus
DE1003465B (de) * 1955-04-07 1957-02-28 Nordwestdeutscher Rundfunk Ans Anordnung zum Hoerbarmachen von UEbersteuerungen
US2985848A (en) * 1957-08-16 1961-05-23 Gen Controls Co Vane controlled transistor oscillator
DE1086302B (de) * 1957-12-20 1960-08-04 Zd Y Prumyslove Automatisace N Transistor-Oszillator mit veraenderlicher Stromentnahme
US3034022A (en) * 1958-01-16 1962-05-08 Fielden Electronics Ltd Switching circuits
DE1058609B (de) * 1958-07-30 1959-06-04 Metrawatt Ag Transistoroszillator fuer induktive Zeigerabgriffeinrichtungen
US3100879A (en) * 1959-05-08 1963-08-13 United Aircraft Corp Capacitance sensing circuit

Also Published As

Publication number Publication date
GB1084348A (en) 1967-09-20
US3457465A (en) 1969-07-22
FR1507154A (fr) 1967-12-29
BE685330A (en:Method) 1967-01-16
CH443504A (fr) 1967-09-15
DE1299429B (de) 1969-07-17
SE346628B (en:Method) 1972-07-10

Similar Documents

Publication Publication Date Title
US2962603A (en) Electronic switch device
GB882126A (en) Improvements in or relating to electrical inverter systems
ES330403A1 (es) Perfeccionamiento en la construccion de detectores de oscilador.
GB1137437A (en) Arc suppressing circuits
US3158756A (en) Magnetic-field responsive electric switching device
US3863126A (en) Device for charging at a predetermined voltage, an element for storing electrical power
US4263637A (en) Ground fault receptacle
JPS62501601A (ja) 電力スイッチ
US3506908A (en) Elimination of short circuit current of power transistors in push-pull inverter circuits
GB1054470A (en:Method)
US3573494A (en) Differential transformer demodulating circuit
JPS58190131A (ja) 特に無接触動作する電子スイツチ装置
ES360100A1 (es) Mejoras en los sistemas de conexion electrica.
US3858057A (en) Solid state relay
US3597630A (en) Transient voltage suppressor
US3549907A (en) Vane operated solid state limit switch
GB842960A (en) Improvements in or relating to electric relays employing magnetic contacts in sealed protective-tubes
US3281716A (en) Transistor power supply
US3018456A (en) Switching devices
US3536990A (en) Device for on-load switching between taps of a multitap trans-former winding
GB803235A (en) Improvements in or relating to electromagnetic devices having variable reluctance
RU2020741C1 (ru) Бесконтактный путевой переключатель
GB1100881A (en) Electrical protective relays
US3125685A (en) Nonlinear sensing circuit
GB1033179A (en) Superconductive memory