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GB2084721B - Automatic measurement of areas or dimension - Google Patents

Automatic measurement of areas or dimension

Info

Publication number
GB2084721B
GB2084721B GB8125775A GB8125775A GB2084721B GB 2084721 B GB2084721 B GB 2084721B GB 8125775 A GB8125775 A GB 8125775A GB 8125775 A GB8125775 A GB 8125775A GB 2084721 B GB2084721 B GB 2084721B
Authority
GB
United Kingdom
Prior art keywords
dimension
areas
automatic measurement
automatic
measurement
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
GB8125775A
Other versions
GB2084721A (en
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.)
University of Birmingham
Original Assignee
University of Birmingham
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 University of Birmingham filed Critical University of Birmingham
Priority to GB8125775A priority Critical patent/GB2084721B/en
Publication of GB2084721A publication Critical patent/GB2084721A/en
Application granted granted Critical
Publication of GB2084721B publication Critical patent/GB2084721B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
    • G01B11/285—Measuring arrangements characterised by the use of optical techniques for measuring areas using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0076—Hardness, compressibility or resistance to crushing
    • G01N2203/0078—Hardness, compressibility or resistance to crushing using indentation
    • G01N2203/008—Residual indentation measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0098—Tests specified by its name, e.g. Charpy, Brinnel, Mullen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
    • G01N2203/0647—Image analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0682—Spatial dimension, e.g. length, area, angle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
GB8125775A 1980-09-23 1981-08-24 Automatic measurement of areas or dimension Expired GB2084721B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8125775A GB2084721B (en) 1980-09-23 1981-08-24 Automatic measurement of areas or dimension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8030640 1980-09-23
GB8125775A GB2084721B (en) 1980-09-23 1981-08-24 Automatic measurement of areas or dimension

Publications (2)

Publication Number Publication Date
GB2084721A GB2084721A (en) 1982-04-15
GB2084721B true GB2084721B (en) 1984-10-17

Family

ID=26276961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125775A Expired GB2084721B (en) 1980-09-23 1981-08-24 Automatic measurement of areas or dimension

Country Status (1)

Country Link
GB (1) GB2084721B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607466A1 (en) * 1992-12-18 1994-07-27 José Maria Las Navas Garcia Automatic system to measure hardness or microhardness using a load cell and image analysis
EP3851789B1 (en) * 2020-01-15 2021-12-01 Sick IVP AB Method for calibrating an imaging system with a calibration target object
US20240201059A1 (en) * 2022-12-20 2024-06-20 Saudi Arabian Oil Company Hardness testing system

Also Published As

Publication number Publication date
GB2084721A (en) 1982-04-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee