AU2493277A - Optoelectronic detection apparatus - Google Patents

Optoelectronic detection apparatus

Info

Publication number
AU2493277A
AU2493277A AU24932/77A AU2493277A AU2493277A AU 2493277 A AU2493277 A AU 2493277A AU 24932/77 A AU24932/77 A AU 24932/77A AU 2493277 A AU2493277 A AU 2493277A AU 2493277 A AU2493277 A AU 2493277A
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
AU509436B2 (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
CIRCLE E IND 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 CIRCLE E IND Pty Ltd filed Critical CIRCLE E IND 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
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 true AU2493277A (en) 1978-11-09
AU509436B2 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853531A (en) * 1986-02-07 1989-08-01 Efaflex Transport Und Lagertechnik Gmbh Apparatus for controllng the opening and/or closing of high-speed shutter doors
WO1997025568A1 (en) * 1996-01-05 1997-07-17 Appleyard, Thomas, John Optical safety device for mounting on a moving member

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603927A1 (en) * 1986-02-07 1987-08-13 Efaflex Transport Lager DEVICE FOR DETECTING A SHADOW OF A SIGNAL SENDED BY AT LEAST ONE TRANSMITTER IN AN INTERMEDIATE SPACE BETWEEN THE TRANSMITTER AND RECEIVER
DE3728354A1 (en) * 1987-08-25 1989-03-09 Azovskoe Sp K B Kuznechno Pres Light-barrier arrangement
GB2221294B (en) * 1988-07-26 1993-03-03 Formula Systems Ltd Detection circuitry
AT396188B (en) * 1989-03-13 1993-06-25 Witronic Elektronische Geraete METHOD FOR MONITORING THE SPACE BETWEEN FORCE-MOVING DEVICES
FR2673019B1 (en) * 1991-02-19 1995-06-23 Elcowa Sa PHOTOELECTRIC SENSOR.
AU667057B2 (en) * 1991-10-18 1996-03-07 Thomas John Appleyard Brake press safety apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853531A (en) * 1986-02-07 1989-08-01 Efaflex Transport Und Lagertechnik Gmbh Apparatus for controllng the opening and/or closing of high-speed shutter doors
WO1997025568A1 (en) * 1996-01-05 1997-07-17 Appleyard, Thomas, John Optical safety device for mounting on a moving member

Also Published As

Publication number Publication date
AU509436B2 (en) 1980-05-15

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