DE2552310C3 - - Google Patents

Info

Publication number
DE2552310C3
DE2552310C3 DE19752552310 DE2552310A DE2552310C3 DE 2552310 C3 DE2552310 C3 DE 2552310C3 DE 19752552310 DE19752552310 DE 19752552310 DE 2552310 A DE2552310 A DE 2552310A DE 2552310 C3 DE2552310 C3 DE 2552310C3
Authority
DE
Germany
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
DE19752552310
Other versions
DE2552310A1 (de
DE2552310B2 (de
Inventor
John Arscott Loughborough Leicester Gb Colwill
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 GB5063974A external-priority patent/GB1474210A/en
Application filed by Square D Co filed Critical Square D Co
Publication of DE2552310A1 publication Critical patent/DE2552310A1/de
Publication of DE2552310B2 publication Critical patent/DE2552310B2/de
Application granted granted Critical
Publication of DE2552310C3 publication Critical patent/DE2552310C3/de
Granted 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
    • H03K17/951—Measures for supplying operating voltage to the detector circuit
DE2552310A 1974-11-22 1975-11-21 Elektrischer Annäherungsschalter Granted DE2552310B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5063974A GB1474210A (en) 1974-08-23 1974-11-22 End attachment for watch bands

Publications (3)

Publication Number Publication Date
DE2552310A1 DE2552310A1 (de) 1976-05-26
DE2552310B2 DE2552310B2 (de) 1978-05-18
DE2552310C3 true DE2552310C3 (de) 1988-02-11

Family

ID=10456727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2552310A Granted DE2552310B2 (de) 1974-11-22 1975-11-21 Elektrischer Annäherungsschalter

Country Status (1)

Country Link
DE (1) DE2552310B2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373037A1 (fr) * 1976-12-03 1978-06-30 Telemecanique Electrique Detecteur de proximite a deux fils
JPS63134965A (ja) * 1986-11-11 1988-06-07 シーメンス、アクチエンゲゼルシヤフト 電気的振動回路の測定方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS422278Y1 (de) * 1964-09-18 1967-02-10
DE1924279C3 (de) * 1969-05-13 1975-06-12 Hans 4330 Muelheim Turck Zweipolige Thyristor-Schaltvorrichtung für Wechselstromkreise
DE1951137B2 (de) * 1969-10-10 1973-03-01 lfm electronic gerate GmbH & Co KG, 4300 Essen Elektronisches, beruehrungslos arbeitendes schaltgeraet
DE2054100B1 (de) * 1970-11-04 1972-05-25 Siemens Ag Kontakt- und berührunglos arbeitende Schaltvorrichtung
DE2203038C3 (de) * 1972-01-22 1975-10-09 Robert 7995 Neukirch Buck Elektronisches, berührungslos arbeitendes Schaltgerät

Also Published As

Publication number Publication date
DE2552310A1 (de) 1976-05-26
DE2552310B2 (de) 1978-05-18

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee