BE685330A - - Google Patents

Info

Publication number: BE685330A
Authority: BE; Belgium

Application number

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.)

1965-08-20

Filing date

1966-08-10

Publication date

1967-01-16

1966-08-10 Application filed filed Critical

1967-01-16 Publication of BE685330A publication Critical patent/BE685330A/xx

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)

BE685330D 1965-08-20 1966-08-10 BE685330A (de)

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
BE685330A true BE685330A (de)	1967-01-16

Family

ID=8586988

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE685330D BE685330A (de)	1965-08-20	1966-08-10

Country Status (8)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2027408C3 (de) *	1970-06-04	1974-12-12	8728 Hassfurt Voll Christl	Metallsuchgerät in einem handlichen, tragbaren Gehäuse zur Auffindung von verdeckten metallischen Einschlüssen
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
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

1965
- 1965-08-20 FR FR28987A patent/FR1507154A/fr not_active Expired
1966
- 1966-08-10 BE BE685330D patent/BE685330A/xx unknown
- 1966-08-19 ES ES0330403A patent/ES330403A1/es not_active Expired
- 1966-08-19 US US573553A patent/US3457465A/en not_active Expired - Lifetime
- 1966-08-19 CH CH1198066A patent/CH443504A/fr unknown
- 1966-08-19 GB GB3729066A patent/GB1084348A/en not_active Expired
- 1966-08-19 DE DET31874A patent/DE1299429B/de active Pending
- 1966-08-19 SE SE11256/66A patent/SE346628B/xx unknown

Also Published As

Publication number	Publication date
SE346628B (de)	1972-07-10
FR1507154A (fr)	1967-12-29
ES330403A1 (es)	1967-06-16
GB1084348A (en)	1967-09-20
US3457465A (en)	1969-07-22
DE1299429B (de)	1969-07-17
CH443504A (fr)	1967-09-15

Publication	Publication Date	Title
BE674694A (de)	1966-05-03
JPS4927085B1 (de)	1974-07-15
JPS4414543Y1 (de)	1969-06-20
JPS446198Y1 (de)	1969-03-06
JPS4316562Y1 (de)	1968-07-10
JPS4219798Y1 (de)	1967-11-16
JPS5017575B1 (de)	1975-06-21
JPS4415536Y1 (de)	1969-07-04
JPS4220460Y1 (de)	1967-11-28
JPS4220226Y1 (de)	1967-11-24
BE675553A (de)	1966-05-16
BE675116A (de)	1966-05-03
NL6602658A (de)	1966-09-12
NL6511741A (de)	1967-03-10
SE346628B (de)	1972-07-10
BE687586A (de)	1967-03-29
BE680141A (de)	1966-10-27
BE676014A (de)	1966-08-03
BE675986A (de)	1966-08-02
BE675959A (de)	1966-06-16
BE675938A (de)	1966-08-02
BE675920A (de)	1966-06-16
BE675843A (de)	1966-06-16
BE675816A (de)	1966-05-16
BE675010A (de)	1966-05-03