CH595669A5 - - Google Patents

Info

Publication number
CH595669A5
CH595669A5 CH242774A CH242774A CH595669A5 CH 595669 A5 CH595669 A5 CH 595669A5 CH 242774 A CH242774 A CH 242774A CH 242774 A CH242774 A CH 242774A CH 595669 A5 CH595669 A5 CH 595669A5
Authority
CH
Switzerland
Application number
CH242774A
Inventor
August Schmid
Original Assignee
Schmid & 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
Application filed by Schmid & Co filed Critical Schmid & Co
Priority to CH242774A priority Critical patent/CH595669A5/xx
Priority to DE19752500734 priority patent/DE2500734A1/de
Priority to US05/550,263 priority patent/US4013886A/en
Priority to SU7502119244A priority patent/SU580855A3/ru
Priority to JP50021087A priority patent/JPS5118498A/ja
Publication of CH595669A5 publication Critical patent/CH595669A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • 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
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Audible And Visible Signals (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CH242774A 1974-02-21 1974-02-21 CH595669A5 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH242774A CH595669A5 (de) 1974-02-21 1974-02-21
DE19752500734 DE2500734A1 (de) 1974-02-21 1975-01-10 Lichtschranke
US05/550,263 US4013886A (en) 1974-02-21 1975-02-18 Light projector and detector unit
SU7502119244A SU580855A3 (ru) 1974-02-21 1975-02-20 Фотоэлектрическое пороговое устройство
JP50021087A JPS5118498A (de) 1974-02-21 1975-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH242774A CH595669A5 (de) 1974-02-21 1974-02-21

Publications (1)

Publication Number Publication Date
CH595669A5 true CH595669A5 (de) 1978-02-15

Family

ID=4233548

Family Applications (1)

Application Number Title Priority Date Filing Date
CH242774A CH595669A5 (de) 1974-02-21 1974-02-21

Country Status (5)

Country Link
US (1) US4013886A (de)
JP (1) JPS5118498A (de)
CH (1) CH595669A5 (de)
DE (1) DE2500734A1 (de)
SU (1) SU580855A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222954A1 (de) * 1982-06-18 1983-12-22 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lichtschranke

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558323C2 (de) * 1975-12-23 1981-03-12 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur handbetätigten Notabschaltung eines Förderbandes im Bergbau unter Tage
GB1583851A (en) * 1977-03-26 1981-02-04 Omron Tateisi Electronics Co Device for use in a switching system
DE2824311C2 (de) * 1978-06-02 1983-03-03 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Justieranordnung zur Ausrichtung einer Gruppe zyklisch geschalteter Lichtsender oder Lichtempfänger
US4278870A (en) * 1979-07-06 1981-07-14 Carleton John S Dental mirror warmer
US4356393A (en) * 1980-05-29 1982-10-26 Banner Engineering Corp. Alignment indicator for photoelectric scanners
US4626683A (en) * 1982-11-12 1986-12-02 Eaton Corporation Through-beam optical detector system with alignment aid
US4633235A (en) * 1984-12-20 1986-12-30 Degennaro Charles S Optical cable security system with standby and automatic re-arming features
DE3513475A1 (de) * 1985-04-15 1986-10-16 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lumineszenztaster
US4931631A (en) * 1987-09-14 1990-06-05 Opcon Incorporated Long range, thru-beam photoelectric alignment indicator
US4812810A (en) * 1988-01-25 1989-03-14 Whirlpool Corporation Fiber optic door sensor for a domestic appliance
JP2688361B2 (ja) * 1988-08-02 1997-12-10 正己 山川 光電センサ
WO2024002487A1 (en) * 2022-06-30 2024-01-04 Avancon Sa Light barrier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041461A (en) * 1958-05-27 1962-06-26 Lindly & Company Inc Photo electric inspecting apparatus
US3619629A (en) * 1969-04-30 1971-11-09 Laser Systems Corp Security system
US3578978A (en) * 1969-05-05 1971-05-18 Cometa S A R L Optical projector including photo-sensitive device
US3816745A (en) * 1972-11-20 1974-06-11 Innovation Ind Inc Optically-coupled sensing and control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222954A1 (de) * 1982-06-18 1983-12-22 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lichtschranke
US4568827A (en) * 1982-06-18 1986-02-04 Erwin Sick Gmbh Optik-Elektronik Light barrier apparatus

Also Published As

Publication number Publication date
JPS5118498A (de) 1976-02-14
SU580855A3 (ru) 1977-11-15
US4013886A (en) 1977-03-22
DE2500734A1 (de) 1975-08-28

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Legal Events

Date Code Title Description
PL Patent ceased