CA1093192A - Dispositif de protection a cellules photoelectriques a infrarouge - Google Patents

Dispositif de protection a cellules photoelectriques a infrarouge

Info

Publication number
CA1093192A
CA1093192A CA304,624A CA304624A CA1093192A CA 1093192 A CA1093192 A CA 1093192A CA 304624 A CA304624 A CA 304624A CA 1093192 A CA1093192 A CA 1093192A
Authority
CA
Canada
Prior art keywords
light
machine
photodetector
obstructed
presence sensor
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
CA304,624A
Other languages
English (en)
Inventor
Robert P. Harris
Original Assignee
Canadian General Electric Co Ltd
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 Canadian General Electric Co Ltd filed Critical Canadian General Electric Co Ltd
Priority to CA304,624A priority Critical patent/CA1093192A/fr
Application granted granted Critical
Publication of CA1093192A publication Critical patent/CA1093192A/fr
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
    • F16P3/144—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 light grids
    • 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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Presses And Accessory Devices Thereof (AREA)
CA304,624A 1978-06-01 1978-06-01 Dispositif de protection a cellules photoelectriques a infrarouge Expired CA1093192A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA304,624A CA1093192A (fr) 1978-06-01 1978-06-01 Dispositif de protection a cellules photoelectriques a infrarouge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA304,624A CA1093192A (fr) 1978-06-01 1978-06-01 Dispositif de protection a cellules photoelectriques a infrarouge

Publications (1)

Publication Number Publication Date
CA1093192A true CA1093192A (fr) 1981-01-06

Family

ID=4111605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304,624A Expired CA1093192A (fr) 1978-06-01 1978-06-01 Dispositif de protection a cellules photoelectriques a infrarouge

Country Status (1)

Country Link
CA (1) CA1093192A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0789182A1 (fr) * 1996-02-10 1997-08-13 Hermann Wegener Dispositif de sécurité dans une machine-outil à main, notamment d'une presse plieuse
EP1494048A1 (fr) * 2003-07-02 2005-01-05 Sick AG Rideau de lumière
EP2108879A1 (fr) * 2008-04-08 2009-10-14 Sick Ag Procédé et dispositif destinés à la surveillance d'un passage
CN110685531A (zh) * 2019-10-22 2020-01-14 上海索迪龙自动化有限公司 一种安全光幕
CN111486332A (zh) * 2019-01-28 2020-08-04 皮尔茨公司 用于保护机器或设施的改进的访问保护系统和方法
CN112651480A (zh) * 2020-12-14 2021-04-13 青岛大牧人机械股份有限公司 一种鸡蛋快速计数方法及其装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0789182A1 (fr) * 1996-02-10 1997-08-13 Hermann Wegener Dispositif de sécurité dans une machine-outil à main, notamment d'une presse plieuse
EP1494048A1 (fr) * 2003-07-02 2005-01-05 Sick AG Rideau de lumière
US7034280B2 (en) 2003-07-02 2006-04-25 Sick Ag Light grid
EP2108879A1 (fr) * 2008-04-08 2009-10-14 Sick Ag Procédé et dispositif destinés à la surveillance d'un passage
CN111486332A (zh) * 2019-01-28 2020-08-04 皮尔茨公司 用于保护机器或设施的改进的访问保护系统和方法
CN111486332B (zh) * 2019-01-28 2024-03-19 皮尔茨公司 用于保护机器或设施的改进的访问保护系统和方法
CN110685531A (zh) * 2019-10-22 2020-01-14 上海索迪龙自动化有限公司 一种安全光幕
CN112651480A (zh) * 2020-12-14 2021-04-13 青岛大牧人机械股份有限公司 一种鸡蛋快速计数方法及其装置

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Legal Events

Date Code Title Description
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