JPS5021163Y1 - - Google Patents

Info

Publication number
JPS5021163Y1
JPS5021163Y1 JP3894070U JP3894070U JPS5021163Y1 JP S5021163 Y1 JPS5021163 Y1 JP S5021163Y1 JP 3894070 U JP3894070 U JP 3894070U JP 3894070 U JP3894070 U JP 3894070U JP S5021163 Y1 JPS5021163 Y1 JP S5021163Y1
Authority
JP
Japan
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
JP3894070U
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 JP3894070U priority Critical patent/JPS5021163Y1/ja
Priority to CA110687A priority patent/CA932425A/en
Priority to US3725808D priority patent/US3725808A/en
Publication of JPS5021163Y1 publication Critical patent/JPS5021163Y1/ja
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/148—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using capacitive technology
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/064—Circuit arrangements for actuating electromagnets
    • 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
    • H03K17/955—Proximity switches using a capacitive detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electronic Switches (AREA)
  • Electric Ovens (AREA)
JP3894070U 1970-04-20 1970-04-20 Expired JPS5021163Y1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3894070U JPS5021163Y1 (ja) 1970-04-20 1970-04-20
CA110687A CA932425A (en) 1970-04-20 1971-04-19 Proximity switch
US3725808D US3725808A (en) 1970-04-20 1971-04-19 Proximity sensitive on-off transistor oscillator for controlling a relay circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3894070U JPS5021163Y1 (ja) 1970-04-20 1970-04-20

Publications (1)

Publication Number Publication Date
JPS5021163Y1 true JPS5021163Y1 (ja) 1975-06-26

Family

ID=33053935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3894070U Expired JPS5021163Y1 (ja) 1970-04-20 1970-04-20

Country Status (3)

Country Link
US (1) US3725808A (ja)
JP (1) JPS5021163Y1 (ja)
CA (1) CA932425A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639824A (en) * 1982-03-01 1987-01-27 The Boeing Company Touch sensor for wire stripper
US4679117A (en) * 1982-03-25 1987-07-07 The Boeing Company Touch sensor for wire stripper
US4650314A (en) * 1983-10-07 1987-03-17 Grunwald Robert F Film inspection machine
US4682272A (en) * 1984-09-28 1987-07-21 The Boeing Company Method of testing and adjusting a picofarad detecto circuit
US5801340A (en) * 1995-06-29 1998-09-01 Invotronics Manufacturing Proximity sensor
GB2411278B (en) * 2004-02-20 2008-05-07 Pelikon Ltd Improved displays
IT202100007166A1 (it) * 2021-03-24 2022-09-24 Elemento Soc A Responsabilita Limitata Semplificata Sensore capacitivo

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782308A (en) * 1953-05-13 1957-02-19 Sylvania Electric Prod Capacity operated control system
US3422415A (en) * 1965-12-20 1969-01-14 Masuo Ichimori Proximity detecting apparatus

Also Published As

Publication number Publication date
CA932425A (en) 1973-08-21
US3725808A (en) 1973-04-03

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