CA1080324A - Electro-optical monitoring system - Google Patents

Electro-optical monitoring system

Info

Publication number
CA1080324A
CA1080324A CA266,077A CA266077A CA1080324A CA 1080324 A CA1080324 A CA 1080324A CA 266077 A CA266077 A CA 266077A CA 1080324 A CA1080324 A CA 1080324A
Authority
CA
Canada
Prior art keywords
view
field
detector means
detector
zone
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
CA266,077A
Other languages
English (en)
French (fr)
Inventor
Richard L. Stratton
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.)
Kockums Automation AB
Original Assignee
Kockums Automation AB
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 Kockums Automation AB filed Critical Kockums Automation AB
Application granted granted Critical
Publication of CA1080324A publication Critical patent/CA1080324A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/08Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/10Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
    • G01B11/105Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/06Adjusting equipment, e.g. using optical projection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16PSAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00Safety 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
    • F16P3/12Safety 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
    • F16P3/14Safety 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
    • F16P3/144Safety 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Wood Science & Technology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control Of Conveyors (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Optical Communication System (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA266,077A 1975-11-21 1976-11-19 Electro-optical monitoring system Expired CA1080324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63406675A 1975-11-21 1975-11-21

Publications (1)

Publication Number Publication Date
CA1080324A true CA1080324A (en) 1980-06-24

Family

ID=24542300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA266,077A Expired CA1080324A (en) 1975-11-21 1976-11-19 Electro-optical monitoring system

Country Status (6)

Country Link
AU (1) AU508268B2 (en。)
CA (1) CA1080324A (en。)
DE (1) DE2648181A1 (en。)
FI (1) FI73522C (en。)
NO (1) NO144026C (en。)
SE (1) SE406825B (en。)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013400152B2 (en) * 2013-09-11 2017-06-15 Halliburton Energy Services, Inc. Method and apparatus for aligning components of integrated optical sensors

Also Published As

Publication number Publication date
NO763930L (en。) 1977-05-24
FI73522C (fi) 1987-10-09
DE2648181A1 (de) 1977-06-08
SE406825B (sv) 1979-02-26
FI763296A7 (en。) 1977-05-22
AU508268B2 (en) 1980-03-13
NO144026B (no) 1981-02-23
SE7611567L (sv) 1977-05-22
NO144026C (no) 1981-06-03
AU1985676A (en) 1978-06-01
FI73522B (fi) 1987-06-30

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Legal Events

Date Code Title Description
MKEX Expiry