DE1809100B2 - SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING - Google Patents

SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING

Info

Publication number
DE1809100B2
DE1809100B2 DE19681809100 DE1809100A DE1809100B2 DE 1809100 B2 DE1809100 B2 DE 1809100B2 DE 19681809100 DE19681809100 DE 19681809100 DE 1809100 A DE1809100 A DE 1809100A DE 1809100 B2 DE1809100 B2 DE 1809100B2
Authority
DE
Germany
Prior art keywords
limit switch
safety limit
contactless switching
contactless
switching
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.)
Withdrawn
Application number
DE19681809100
Other languages
German (de)
Other versions
DE1809100A1 (en
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
Priority to DE19681809100 priority Critical patent/DE1809100B2/en
Priority to CH1332769A priority patent/CH532833A/en
Priority to GB48025/69A priority patent/GB1282038A/en
Priority to US862897A priority patent/US3636543A/en
Publication of DE1809100A1 publication Critical patent/DE1809100A1/en
Publication of DE1809100B2 publication Critical patent/DE1809100B2/en
Withdrawn legal-status Critical Current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
    • H03K17/9502—Measures for increasing reliability
    • 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
    • H03K17/9505—Constructional details
    • 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
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
    • 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
DE19681809100 1968-11-15 1968-11-15 SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING Withdrawn DE1809100B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19681809100 DE1809100B2 (en) 1968-11-15 1968-11-15 SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING
CH1332769A CH532833A (en) 1968-11-15 1969-09-03 Safety limit switch for contactless switching
GB48025/69A GB1282038A (en) 1968-11-15 1969-09-30 Safety limit switch operating without physical contact
US862897A US3636543A (en) 1968-11-15 1969-10-01 Safety limit feeler for contactless control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681809100 DE1809100B2 (en) 1968-11-15 1968-11-15 SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING

Publications (2)

Publication Number Publication Date
DE1809100A1 DE1809100A1 (en) 1970-07-23
DE1809100B2 true DE1809100B2 (en) 1971-09-02

Family

ID=5713420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681809100 Withdrawn DE1809100B2 (en) 1968-11-15 1968-11-15 SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING

Country Status (4)

Country Link
US (1) US3636543A (en)
CH (1) CH532833A (en)
DE (1) DE1809100B2 (en)
GB (1) GB1282038A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569099A (en) * 1979-07-03 1981-01-29 Toyo Tokushu Kiki Kk Abnormality detecting method of automatic press
NO802936L (en) * 1979-10-08 1981-04-09 Duraplug Elect Ltd ELECTRICAL SWITCH DEVICE
DE3220111C1 (en) * 1982-05-28 1983-06-09 Honeywell Gmbh, 6050 Offenbach Monitoring device for proximity switches
CH668872A5 (en) * 1985-07-05 1989-01-31 Baumer Electric Ag PROXIMITY SWITCH.
EP0219017A1 (en) * 1985-10-07 1987-04-22 Maschinenfabrik Rieter Ag Locating systems
ES2050185T3 (en) * 1988-08-23 1994-05-16 Inventio Ag PROCEDURE AND DEVICE FOR THE CREATION OF A LIFT BOX INFORMATION.
JPH0812994B2 (en) * 1988-09-22 1996-02-07 三菱自動車工業株式会社 Self-diagnosis type proximity switch
FI81700C (en) * 1988-12-22 1990-11-12 Kone Oy FOERFARANDE FOER ATT FORMA STYRSIGNALER I EN TRYCKKNAPPSTYRANORDNING SAMT EN TRYCKKNAPPSTYRANORDNING FOER TILLAEMPNING AV FOERFARANDET.
WO1990013180A1 (en) * 1989-04-14 1990-11-01 Eja Engineering Company Limited Safety switch assembly
ES2124144B1 (en) * 1995-08-11 1999-08-16 Irausa Ing Sa ANTI-PINCH DEVICE.
US6114690A (en) * 1998-01-23 2000-09-05 Penn Engineering & Manufacturing Corp. Light-controlled safety switch for a punch press

Also Published As

Publication number Publication date
DE1809100A1 (en) 1970-07-23
GB1282038A (en) 1972-07-19
CH532833A (en) 1973-01-15
US3636543A (en) 1972-01-18

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee