FR1345555A - Approach switch - Google Patents

Approach switch

Info

Publication number
FR1345555A
FR1345555A FR844885A FR844885A FR1345555A FR 1345555 A FR1345555 A FR 1345555A FR 844885 A FR844885 A FR 844885A FR 844885 A FR844885 A FR 844885A FR 1345555 A FR1345555 A FR 1345555A
Authority
FR
France
Prior art keywords
approach switch
approach
switch
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
FR844885A
Other languages
French (fr)
Inventor
Kazuma Tateisi
Mititaka Yamamoto
Akira Abe
Takuzo Ueda
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 to DET32896A priority Critical patent/DE1302191B/de
Application filed filed Critical
Priority to FR844885A priority patent/FR1345555A/en
Application granted granted Critical
Publication of FR1345555A publication Critical patent/FR1345555A/en
Expired legal-status Critical Current

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
    • H03K17/9537—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
    • H03K17/9545—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable frequency
    • 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
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
FR844885A 1960-11-24 1960-11-24 Approach switch Expired FR1345555A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DET32896A DE1302191B (en) 1960-11-24
FR844885A FR1345555A (en) 1960-11-24 1960-11-24 Approach switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844885A FR1345555A (en) 1960-11-24 1960-11-24 Approach switch

Publications (1)

Publication Number Publication Date
FR1345555A true FR1345555A (en) 1963-12-13

Family

ID=8743360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844885A Expired FR1345555A (en) 1960-11-24 1960-11-24 Approach switch

Country Status (2)

Country Link
DE (1) DE1302191B (en)
FR (1) FR1345555A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422210A1 (en) * 1978-04-04 1979-11-02 Radioelectrique Comp Ind METHOD AND DEVICE FOR DETECTION OF THE PRESENCE OF A METAL WIRE IN A PAPER

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527442A1 (en) * 1985-07-31 1987-02-12 Pepperl & Fuchs Method and device for modifying the quality factor of a coil
DE3714433C2 (en) * 1987-04-30 1994-04-28 Turck Werner Kg Inductive proximity switch
JPH02312316A (en) * 1989-05-26 1990-12-27 Omron Corp High frequency oscillation type proximity switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422210A1 (en) * 1978-04-04 1979-11-02 Radioelectrique Comp Ind METHOD AND DEVICE FOR DETECTION OF THE PRESENCE OF A METAL WIRE IN A PAPER

Also Published As

Publication number Publication date
DE1302191B (en) 1971-01-14

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