AU509436B2 - Optoelectronic detection apparatus - Google Patents

Optoelectronic detection apparatus

Info

Publication number
AU509436B2
AU509436B2 AU24932/77A AU2493277A AU509436B2 AU 509436 B2 AU509436 B2 AU 509436B2 AU 24932/77 A AU24932/77 A AU 24932/77A AU 2493277 A AU2493277 A AU 2493277A AU 509436 B2 AU509436 B2 AU 509436B2
Authority
AU
Australia
Prior art keywords
detection apparatus
optoelectronic detection
optoelectronic
detection
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
AU24932/77A
Other versions
AU2493277A (en
Inventor
L. R. and Murray R. J Marshall
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.)
3M Australia Pty Ltd
Original Assignee
3M Australia Pty Ltd
Minnesota Mining and Manufacturing Australia Pty 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 3M Australia Pty Ltd, Minnesota Mining and Manufacturing Australia Pty Ltd filed Critical 3M Australia Pty Ltd
Priority to AU24932/77A priority Critical patent/AU509436B2/en
Publication of AU2493277A publication Critical patent/AU2493277A/en
Application granted granted Critical
Publication of AU509436B2 publication Critical patent/AU509436B2/en
Expired legal-status Critical Current

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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • 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
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
AU24932/77A 1976-05-05 1976-05-05 Optoelectronic detection apparatus Expired AU509436B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24932/77A AU509436B2 (en) 1976-05-05 1976-05-05 Optoelectronic detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU24932/77A AU509436B2 (en) 1976-05-05 1976-05-05 Optoelectronic detection apparatus

Publications (2)

Publication Number Publication Date
AU2493277A AU2493277A (en) 1978-11-09
AU509436B2 true AU509436B2 (en) 1980-05-15

Family

ID=3713803

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24932/77A Expired AU509436B2 (en) 1976-05-05 1976-05-05 Optoelectronic detection apparatus

Country Status (1)

Country Link
AU (1) AU509436B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236755A1 (en) * 1986-02-07 1987-09-16 EFAFLEX Transport- und Lagertechnik GmbH Device for detecting an interruption in a space between the emitter and the receiver of a light signal sent by at least one emitter
FR2620550A1 (en) * 1987-08-25 1989-03-17 Azovskoe Sp Konstruktor PHOTOELECTRIC PROTECTION CURTAIN
WO1990001173A1 (en) * 1988-07-26 1990-02-08 Formula Systems Limited Detection circuitry
EP0391883A2 (en) * 1989-03-13 1990-10-10 Witronic Elektronische Geräte Gesellschaft M.B.H. Optoelectronic obstacle detector
FR2673019A1 (en) * 1991-02-19 1992-08-21 Elcowa Sa Photoelectric sensor
AU667057B2 (en) * 1991-10-18 1996-03-07 Thomas John Appleyard Brake press safety apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603940A1 (en) * 1986-02-07 1987-08-13 Efaflex Transport Lager DEVICE FOR CONTROLLING THE OPENING AND / OR CLOSING PROCESS OF HIGH-SPEED GATES
AUPN744696A0 (en) * 1996-01-05 1996-02-01 Appleyard, Thomas John Safety apparatus and protection method for machines

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236755A1 (en) * 1986-02-07 1987-09-16 EFAFLEX Transport- und Lagertechnik GmbH Device for detecting an interruption in a space between the emitter and the receiver of a light signal sent by at least one emitter
FR2620550A1 (en) * 1987-08-25 1989-03-17 Azovskoe Sp Konstruktor PHOTOELECTRIC PROTECTION CURTAIN
WO1990001173A1 (en) * 1988-07-26 1990-02-08 Formula Systems Limited Detection circuitry
US5053616A (en) * 1988-07-26 1991-10-01 Formula Systems Limited Photoelectric array detection circuitry with dual gating means
EP0391883A2 (en) * 1989-03-13 1990-10-10 Witronic Elektronische Geräte Gesellschaft M.B.H. Optoelectronic obstacle detector
EP0391883A3 (en) * 1989-03-13 1991-08-07 Witronic Elektronische Geräte Gesellschaft M.B.H. Optoelectronic obstacle detector
FR2673019A1 (en) * 1991-02-19 1992-08-21 Elcowa Sa Photoelectric sensor
AU667057B2 (en) * 1991-10-18 1996-03-07 Thomas John Appleyard Brake press safety apparatus

Also Published As

Publication number Publication date
AU2493277A (en) 1978-11-09

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