IT993800B - Circuito per la trasformazione di una grandezza fisica in un segnale elettrico - Google Patents

Circuito per la trasformazione di una grandezza fisica in un segnale elettrico

Info

Publication number
IT993800B
IT993800B IT28310/73A IT2831073A IT993800B IT 993800 B IT993800 B IT 993800B IT 28310/73 A IT28310/73 A IT 28310/73A IT 2831073 A IT2831073 A IT 2831073A IT 993800 B IT993800 B IT 993800B
Authority
IT
Italy
Prior art keywords
transformation
circuit
electrical signal
physical quantity
physical
Prior art date
Application number
IT28310/73A
Other languages
English (en)
Italian (it)
Original Assignee
Weber G
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
Priority claimed from DE19722242490 external-priority patent/DE2242490C3/de
Application filed by Weber G filed Critical Weber G
Application granted granted Critical
Publication of IT993800B publication Critical patent/IT993800B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—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
    • H03K17/95—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
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/9401—Calibration techniques
    • H03K2217/94021—Calibration techniques with human activation, e.g. processes requiring or being triggered by human intervention, user-input of digital word or analog voltage
IT28310/73A 1972-08-29 1973-08-29 Circuito per la trasformazione di una grandezza fisica in un segnale elettrico IT993800B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722242490 DE2242490C3 (de) 1972-08-29 Elektronisches, berührungslos arbeitendes Schaltgerät

Publications (1)

Publication Number Publication Date
IT993800B true IT993800B (it) 1975-09-30

Family

ID=5854913

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28310/73A IT993800B (it) 1972-08-29 1973-08-29 Circuito per la trasformazione di una grandezza fisica in un segnale elettrico

Country Status (4)

Country Link
US (1) US3833850A (en:Method)
FR (1) FR2198623A5 (en:Method)
IT (1) IT993800B (en:Method)
SE (1) SE396248B (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305809A1 (fr) * 1975-03-25 1976-10-22 Crouzet Sa Dispositif d'authentification de titres monetaires
CH625619A5 (en:Method) * 1977-12-07 1981-09-30 Bbc Brown Boveri & Cie
US4514692A (en) * 1982-05-03 1985-04-30 Frl, Inc. Metal detector and discriminator using differentiation for background signal suppression
US4797614A (en) * 1984-11-02 1989-01-10 Sierracin Corporation Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding
FR2619454B1 (fr) * 1987-08-14 1990-06-29 Automatisme Tech Avancees Procedes et portiques ou sas pour detecter le passage de masses metalliques
US4859940A (en) * 1987-09-09 1989-08-22 Westinghouse Electric Corp. Apparatus for detecting onset of slag entrainment in a molten metal stream
US5493221A (en) * 1993-06-04 1996-02-20 Alltrista Corporation Method and apparatus for detecting weld junctions in steel sheets using an inductive sensor to detect thickness variations in the sheet
JP3440566B2 (ja) * 1993-11-08 2003-08-25 オムロン株式会社 近接スイッチ
FR2733617B1 (fr) * 1995-04-28 1997-06-06 Schneider Electric Sa Detecteur de proximite a apprentissage

Also Published As

Publication number Publication date
SE396248B (sv) 1977-09-12
DE2242490A1 (de) 1974-04-04
FR2198623A5 (en:Method) 1974-03-29
US3833850A (en) 1974-09-03
DE2242490B2 (de) 1975-10-23

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