GB1548418A - Proximity detector - Google Patents

Proximity detector

Info

Publication number
GB1548418A
GB1548418A GB3253776A GB3253776A GB1548418A GB 1548418 A GB1548418 A GB 1548418A GB 3253776 A GB3253776 A GB 3253776A GB 3253776 A GB3253776 A GB 3253776A GB 1548418 A GB1548418 A GB 1548418A
Authority
GB
United Kingdom
Prior art keywords
proximity detector
proximity
detector
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
GB3253776A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1548418A publication Critical patent/GB1548418A/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
GB3253776A 1975-08-06 1976-08-04 Proximity detector Expired GB1548418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7524506A FR2320663A1 (en) 1975-08-06 1975-08-06 PROXIMITY DETECTOR OF OBJECTS OF ANY KIND

Publications (1)

Publication Number Publication Date
GB1548418A true GB1548418A (en) 1979-07-11

Family

ID=9158822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3253776A Expired GB1548418A (en) 1975-08-06 1976-08-04 Proximity detector

Country Status (3)

Country Link
DE (1) DE2632295A1 (en)
FR (1) FR2320663A1 (en)
GB (1) GB1548418A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH624220A5 (en) * 1978-04-04 1981-07-15 Radioelectrique Comp Ind
JPH02312316A (en) * 1989-05-26 1990-12-27 Omron Corp High frequency oscillation type proximity switch
JP2739742B2 (en) * 1989-12-20 1998-04-15 オムロン株式会社 Differential coil proximity switch

Also Published As

Publication number Publication date
DE2632295A1 (en) 1977-02-17
FR2320663B1 (en) 1980-06-27
FR2320663A1 (en) 1977-03-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee