NL257509A - - Google Patents

Info

Publication number
NL257509A
NL257509A NL257509DA NL257509A NL 257509 A NL257509 A NL 257509A NL 257509D A NL257509D A NL 257509DA NL 257509 A NL257509 A NL 257509A
Authority
NL
Netherlands
Application number
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.)
Publication of NL257509A publication Critical patent/NL257509A/xx
Priority claimed from US850312A external-priority patent/US3199401A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901Optical details; Scanning details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/896Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
NL257509D 1959-11-02 NL257509A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85034759A 1959-11-02 1959-11-02
US85030459A 1959-11-02 1959-11-02
US850312A US3199401A (en) 1959-11-02 1959-11-02 Method and apparatus for optically detecting elongated defects in glass

Publications (1)

Publication Number Publication Date
NL257509A true NL257509A (en)

Family

ID=27420350

Family Applications (3)

Application Number Title Priority Date Filing Date
NL257509D NL257509A (en) 1959-11-02
NL6603092A NL6603092A (en) 1959-11-02 1966-03-09
NL6603093A NL6603093A (en) 1959-11-02 1966-03-09

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL6603092A NL6603092A (en) 1959-11-02 1966-03-09
NL6603093A NL6603093A (en) 1959-11-02 1966-03-09

Country Status (4)

Country Link
BE (1) BE596651A (en)
DE (2) DE1298736B (en)
GB (1) GB906947A (en)
NL (3) NL6603092A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688235A (en) * 1965-03-31 1972-08-29 Inst Nat Du Verre Apparatus for detecting the angular deflection imparted to a beam passing through a transparent sheet
US3815998A (en) * 1972-10-30 1974-06-11 Ibm Surface contrast system and method
US4097151A (en) * 1976-03-16 1978-06-27 Ppg Industries, Inc. Method of and apparatus for locating B type and point type defects in a glass ribbon
DE3800053A1 (en) * 1988-01-04 1989-07-13 Sick Optik Elektronik Erwin OPTICAL ERROR INSPECTION DEVICE
DE3806382A1 (en) * 1988-02-29 1989-09-07 Feldmuehle Ag Method and device for testing running transparent webs
CN111612020B (en) * 2019-02-22 2024-04-26 杭州海康威视数字技术股份有限公司 Positioning method for abnormal object to be detected, security inspection analysis equipment and security inspection analysis system
CN112683792B (en) * 2020-11-23 2023-08-29 光子(深圳)精密科技有限公司 Graphite flake appearance defect detection system
CN115355824B (en) * 2022-10-20 2023-01-17 长沙巨翊医疗科技有限公司 Light-transmitting tube image acquisition method, tube diameter measurement method and device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735017A (en) * 1956-02-14 beard ettal
US1874217A (en) * 1930-07-01 1932-08-30 Pittsburgh Plate Glass Co Glass inspection apparatus
US2393631A (en) * 1940-11-27 1946-01-29 Ilford Ltd Testing of photographic films, plates, and papers
DE748025C (en) * 1941-05-22 1944-10-25 Glastechnische Ges E V Deutsch Method for testing transparent or reflecting opaque bodies by numerical determination of the image distortions caused by them, in particular for testing flat glass
US2898801A (en) * 1955-06-09 1959-08-11 Robotron Corp Inspection device for detecting differences in two objects
US3199401A (en) * 1959-11-02 1965-08-10 Pittsburgh Plate Glass Co Method and apparatus for optically detecting elongated defects in glass

Also Published As

Publication number Publication date
DE1298306B (en) 1969-06-26
GB906947A (en) 1962-09-26
DE1298736B (en) 1969-07-03
NL6603093A (en) 1966-06-27
NL6603092A (en) 1966-06-27
BE596651A (en) 1961-05-02

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