BE679674A - - Google Patents

Info

Publication number
BE679674A
BE679674A BE679674DA BE679674A BE 679674 A BE679674 A BE 679674A BE 679674D A BE679674D A BE 679674DA BE 679674 A BE679674 A BE 679674A
Authority
BE
Belgium
Prior art keywords
oscillator
head
detection
capacitive
collector
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE679674A publication Critical patent/BE679674A/fr

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945Proximity switches
    • H03K17/955Proximity switches using a capacitive detector
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/24Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device

Landscapes

  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
BE679674D 1966-04-18 1966-04-18 BE679674A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE679674 1966-04-18

Publications (1)

Publication Number Publication Date
BE679674A true BE679674A (enrdf_load_stackoverflow) 1966-10-03

Family

ID=3848537

Family Applications (1)

Application Number Title Priority Date Filing Date
BE679674D BE679674A (enrdf_load_stackoverflow) 1966-04-18 1966-04-18

Country Status (1)

Country Link
BE (1) BE679674A (enrdf_load_stackoverflow)

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