NO134926C - - Google Patents

Info

Publication number
NO134926C
NO134926C NO2918/73A NO291873A NO134926C NO 134926 C NO134926 C NO 134926C NO 2918/73 A NO2918/73 A NO 2918/73A NO 291873 A NO291873 A NO 291873A NO 134926 C NO134926 C NO 134926C
Authority
NO
Norway
Application number
NO2918/73A
Other languages
Norwegian (no)
Other versions
NO134926B (fr
Inventor
G M Clarke
Original Assignee
Ferranti 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 Ferranti Ltd filed Critical Ferranti Ltd
Publication of NO134926B publication Critical patent/NO134926B/no
Publication of NO134926C publication Critical patent/NO134926C/no

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
    • G01N21/8901—Optical details; Scanning details
NO2918/73A 1972-07-29 1973-07-17 NO134926C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3561072A GB1436124A (en) 1972-07-29 1972-07-29 Detection of blemishes in surfaces

Publications (2)

Publication Number Publication Date
NO134926B NO134926B (fr) 1976-09-27
NO134926C true NO134926C (fr) 1977-01-05

Family

ID=10379635

Family Applications (1)

Application Number Title Priority Date Filing Date
NO2918/73A NO134926C (fr) 1972-07-29 1973-07-17

Country Status (8)

Country Link
US (1) US3836261A (fr)
JP (1) JPS5433550B2 (fr)
DE (1) DE2338295C2 (fr)
DK (1) DK136281B (fr)
FR (1) FR2195346A5 (fr)
GB (1) GB1436124A (fr)
IT (1) IT990024B (fr)
NO (1) NO134926C (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932042A (en) * 1974-05-20 1976-01-13 Barry-Wehmiller Company Container inspection apparatus and method of inspection
JPS5218123A (en) * 1975-08-01 1977-02-10 Agency Of Ind Science & Technol Hologram memory unit
CH608628A5 (fr) * 1975-11-21 1979-01-15 Sick Optik Elektronik Erwin
CA1043463A (fr) * 1975-12-05 1978-11-28 Paul A. Mueller Systeme de controle et d'optimisation du bois d'oeuvre
US4025198A (en) * 1976-03-17 1977-05-24 Hutchins Thomas B Opposite-sides object inspection system
JPS5766345A (en) * 1980-10-09 1982-04-22 Hitachi Ltd Inspection device for defect
DE3446354A1 (de) * 1984-12-19 1986-06-26 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optoelektronische vergleichsvorrichtung fuer strukturen auf ebenen oberflaechen oder fuer flaechige strukturen
JP2576484B2 (ja) * 1987-01-26 1997-01-29 キヤノン株式会社 走査光学系
US4875780A (en) * 1988-02-25 1989-10-24 Eastman Kodak Company Method and apparatus for inspecting reticles
US6252242B1 (en) * 1992-12-03 2001-06-26 Brown & Sharpe Surface Inspection Systems, Inc. High speed optical inspection apparatus using Gaussian distribution analysis and method therefore
US6294793B1 (en) * 1992-12-03 2001-09-25 Brown & Sharpe Surface Inspection Systems, Inc. High speed optical inspection apparatus for a transparent disk using gaussian distribution analysis and method therefor
US6262432B1 (en) * 1992-12-03 2001-07-17 Brown & Sharpe Surface Inspection Systems, Inc. High speed surface inspection optical apparatus for a reflective disk using gaussian distribution analysis and method therefor
US5936725A (en) * 1997-10-28 1999-08-10 Materials Technologies Corp. Apparatus and method for viewing and inspecting a circumferential surface area of a test object
US6122045A (en) * 1997-10-28 2000-09-19 Materials Technologies Corporation Apparatus and method for viewing and inspecting a circumferential surface area of an object
US20030121289A1 (en) * 2002-01-02 2003-07-03 Benda John A. Long period fiber Bragg gratings written with alternate side IR laser illumination
US20040207836A1 (en) * 2002-09-27 2004-10-21 Rajeshwar Chhibber High dynamic range optical inspection system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL106466C (fr) * 1954-12-16
US3515475A (en) * 1966-12-30 1970-06-02 House Of Coins Inc Apparatus for viewing coins or the like
US3646353A (en) * 1970-10-19 1972-02-29 Eastman Kodak Co Flying spot scanner blanking
GB1376135A (en) * 1971-02-26 1974-12-04 Ferranti Ltd Detection of blemishes in surfaces

Also Published As

Publication number Publication date
IT990024B (it) 1975-06-20
NO134926B (fr) 1976-09-27
DK136281B (da) 1977-09-19
DE2338295C2 (de) 1982-04-22
JPS4986084A (fr) 1974-08-17
DE2338295A1 (de) 1974-02-07
US3836261A (en) 1974-09-17
JPS5433550B2 (fr) 1979-10-22
FR2195346A5 (fr) 1974-03-01
GB1436124A (en) 1976-05-19
DK136281C (fr) 1978-02-20

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