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AU409238B2 - Improved electro-optical sensing arrangement - Google Patents

Improved electro-optical sensing arrangement

Info

Publication number
AU409238B2
AU409238B2 AU38365/68A AU3836568A AU409238B2 AU 409238 B2 AU409238 B2 AU 409238B2 AU 38365/68 A AU38365/68 A AU 38365/68A AU 3836568 A AU3836568 A AU 3836568A AU 409238 B2 AU409238 B2 AU 409238B2
Authority
AU
Australia
Prior art keywords
optical sensing
sensing arrangement
improved electro
electro
improved
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
AU38365/68A
Other versions
AU3836568A (en
Inventor
Vincent Selby Neville
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.)
F Ts Odonnell Griffin & Co Pty Ltd
Original Assignee
F Ts Odonnell Griffin & Co 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 F Ts Odonnell Griffin & Co Pty Ltd filed Critical F Ts Odonnell Griffin & Co Pty Ltd
Priority to AU38365/68A priority Critical patent/AU409238B2/en
Application granted granted Critical
Publication of AU409238B2 publication Critical patent/AU409238B2/en
Publication of AU3836568A publication Critical patent/AU3836568A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AU38365/68A 1969-01-16 1969-01-16 Improved electro-optical sensing arrangement Expired AU409238B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38365/68A AU409238B2 (en) 1969-01-16 1969-01-16 Improved electro-optical sensing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU38365/68A AU409238B2 (en) 1969-01-16 1969-01-16 Improved electro-optical sensing arrangement

Publications (2)

Publication Number Publication Date
AU409238B2 true AU409238B2 (en) 1970-10-30
AU3836568A AU3836568A (en) 1970-12-17

Family

ID=3725322

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38365/68A Expired AU409238B2 (en) 1969-01-16 1969-01-16 Improved electro-optical sensing arrangement

Country Status (1)

Country Link
AU (1) AU409238B2 (en)

Also Published As

Publication number Publication date
AU3836568A (en) 1970-12-17

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