SE333255B - DEVICE FOR DETECTING DEFECTS ON THE SURFACE OF A MATERIAL - Google Patents

DEVICE FOR DETECTING DEFECTS ON THE SURFACE OF A MATERIAL

Info

Publication number
SE333255B
SE333255B SE16945/66A SE1694566A SE333255B SE 333255 B SE333255 B SE 333255B SE 16945/66 A SE16945/66 A SE 16945/66A SE 1694566 A SE1694566 A SE 1694566A SE 333255 B SE333255 B SE 333255B
Authority
SE
Sweden
Prior art keywords
detecting defects
defects
detecting
Prior art date
Application number
SE16945/66A
Other languages
Swedish (sv)
Inventor
G Watson
D Stradley
Original Assignee
G Watson
D Stradley
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 G Watson, D Stradley filed Critical G Watson
Publication of SE333255B publication Critical patent/SE333255B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/939—Video scanning

Landscapes

  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
SE16945/66A 1965-12-10 1966-12-09 DEVICE FOR DETECTING DEFECTS ON THE SURFACE OF A MATERIAL SE333255B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US512874A US3389789A (en) 1965-12-10 1965-12-10 Detecting and sorting means for sheets having flaws

Publications (1)

Publication Number Publication Date
SE333255B true SE333255B (en) 1971-03-08

Family

ID=24040967

Family Applications (1)

Application Number Title Priority Date Filing Date
SE16945/66A SE333255B (en) 1965-12-10 1966-12-09 DEVICE FOR DETECTING DEFECTS ON THE SURFACE OF A MATERIAL

Country Status (5)

Country Link
US (1) US3389789A (en)
DE (1) DE1573955A1 (en)
GB (1) GB1171142A (en)
NO (1) NO120335B (en)
SE (1) SE333255B (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1285216B (en) * 1966-07-15 1968-12-12 Rheinische Kalksteinwerke Device for sorting bulk goods
GB1240263A (en) * 1967-07-10 1971-07-21 British Insulated Callenders Improvements in or relating to testing insulated conductors
US3579249A (en) * 1969-08-08 1971-05-18 Reynolds Metals Co Feature counter having between limits amplitude and/or width discrimination
US3578904A (en) * 1968-10-15 1971-05-18 Reynolds Metals Co Feature counter with feature discrimination and/or masking
US3715476A (en) * 1969-01-16 1973-02-06 Nippon Steel Corp Method and apparatus for detecting pinholes on sheet articles
US3641257A (en) * 1970-01-16 1972-02-08 Hughes Aircraft Co Noise suppressor for surveillance and intrusion-detecting system
US3647961A (en) * 1970-04-09 1972-03-07 Western Electric Co T.v. -aided flaw detection using rotating image techniques
US3729635A (en) * 1970-10-14 1973-04-24 Lindly & Co Yarn inspector
US3694658A (en) * 1970-10-22 1972-09-26 Morvue Inc Veneer inspection system
US3689830A (en) * 1971-04-05 1972-09-05 Us Army Exploding bridgewire tester with square wave generator
GB1395147A (en) * 1971-05-06 1975-05-21 Image Analysing Computers Ltd Feature classifiaction in image analysis
US3872243A (en) * 1971-05-18 1975-03-18 Image Analysing Computers Ltd Method and apparatus for checking measurements made in image analysis systems
US3882316A (en) * 1973-05-24 1975-05-06 Smithkline Corp Quality control monitor for medicinal capsule packaging apparatus
US3911360A (en) * 1974-02-11 1975-10-07 Gene A Kimzey Variable time delay voltage dropout detector
US4011457A (en) * 1975-08-06 1977-03-08 E. I. Du Pont De Nemours And Company Web defect monitor for abrupt changes in web density
US4207472A (en) * 1975-12-05 1980-06-10 The Bendix Corporation Lumber inspection and optimization system
JPS52114212A (en) * 1976-03-22 1977-09-24 Fujitsu Ltd Information density determining circuit
DE2728717C2 (en) * 1977-06-25 1983-11-10 Pfister Gmbh, 8900 Augsburg Method and device for the non-contact determination of quality features of a test object of the meat product category, in particular a carcass or parts thereof
FR2402868A1 (en) * 1977-09-12 1979-04-06 Usinor METHOD AND APPARATUS FOR DETECTION OF SURFACE FAULTS ON A HIGH SPEED TRAVELING BELT
US4237539A (en) * 1977-11-21 1980-12-02 E. I. Du Pont De Nemours And Company On-line web inspection system
US4173736A (en) * 1978-03-06 1979-11-06 Western Electric Company, Incorporated Capacitance detecting system and method for testing wire connections
US4205769A (en) * 1978-05-05 1980-06-03 Western Electric Company, Inc. Methods of and system for counting holes and for detecting missing holes in a web
US4287990A (en) * 1979-07-30 1981-09-08 Libbey-Owens-Ford Company Glass sheet shipping packages
DE2952712C2 (en) * 1979-12-29 1984-07-12 Hoesch Werke Ag, 4600 Dortmund Device for detecting errors
US4500202A (en) * 1982-05-24 1985-02-19 Itek Corporation Printed circuit board defect detection of detecting maximum line width violations
US4578810A (en) * 1983-08-08 1986-03-25 Itek Corporation System for printed circuit board defect detection
GB2175396B (en) * 1985-05-22 1989-06-28 Filler Protection Developments Apparatus for examining objects
US4675730A (en) * 1985-09-06 1987-06-23 Aluminum Company Of America Video surface inspection system
ATE54027T1 (en) * 1986-02-22 1990-07-15 Pinsch Gmbh & Co Helmut K LUMBER TESTING DEVICE.
US5113454A (en) * 1988-08-19 1992-05-12 Kajaani Electronics Ltd. Formation testing with digital image analysis
US5033095A (en) * 1988-09-30 1991-07-16 Marcantonio Jeffrey J Scanning image analyzer for accumulating quantifiable contaminants of webs
US4931657A (en) * 1989-04-13 1990-06-05 Macmillan Bloedel Limited On-line texture sensing
DE19544481A1 (en) * 1995-11-29 1997-06-05 Laser Sorter Gmbh Lighting device with metal halide lamps
FI110545B (en) * 1998-10-28 2003-02-14 Valtion Teknillinen Method and arrangement for measuring wood material
US20080306702A1 (en) * 2005-11-28 2008-12-11 Navy Island Plywood, Inc. Method of Rating Wood Product Quality
WO2010008074A1 (en) * 2008-07-18 2010-01-21 瀬戸製材株式会社 Wood management system
US20120050522A1 (en) * 2010-08-24 2012-03-01 Research In Motion Limited Method of and apparatus for verifying assembly components of a mobile 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
US2975293A (en) * 1955-02-18 1961-03-14 Diamond Power Speciality Optical defect detector
US2947212A (en) * 1956-04-30 1960-08-02 American Brass Co Method of detecting surface conditions of sheet metal
US3019346A (en) * 1960-03-28 1962-01-30 Jones & Laughlin Steel Corp Electronic surface inspection system
US3096443A (en) * 1960-06-20 1963-07-02 Jones & Laughlin Steel Corp Electronic surface inspection system
US3264480A (en) * 1962-01-15 1966-08-02 Linen Supply Ass Of America Photoelectric inspection apparatus for material having variations in reflectivity

Also Published As

Publication number Publication date
US3389789A (en) 1968-06-25
NO120335B (en) 1970-10-05
GB1171142A (en) 1969-11-19
DE1573955A1 (en) 1971-01-14

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