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FR2452101B1 - - Google Patents

Info

Publication number
FR2452101B1
FR2452101B1 FR8005292A FR8005292A FR2452101B1 FR 2452101 B1 FR2452101 B1 FR 2452101B1 FR 8005292 A FR8005292 A FR 8005292A FR 8005292 A FR8005292 A FR 8005292A FR 2452101 B1 FR2452101 B1 FR 2452101B1
Authority
FR
France
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
FR8005292A
Other languages
French (fr)
Other versions
FR2452101A1 (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.)
RCA Corp
Original Assignee
RCA Corp
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
Priority claimed from US06/021,822 external-priority patent/US4292672A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2452101A1 publication Critical patent/FR2452101A1/en
Application granted granted Critical
Publication of FR2452101B1 publication Critical patent/FR2452101B1/fr
Granted legal-status Critical Current

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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects

Landscapes

  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
FR8005292A 1979-03-19 1980-03-10 INSPECTION SYSTEM FOR DETECTING DEFECTS IN REGULAR DRAWINGS IN PARTICULAR IN PHOTOGRAPHIC MODEL PLATES USED FOR MAKING SHADOW MASKS FOR COLOR TELEVISION IMAGE TUBES Granted FR2452101A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2182679A 1979-03-19 1979-03-19
US06/021,822 US4292672A (en) 1979-03-19 1979-03-19 Inspection system for detecting defects in regular patterns

Publications (2)

Publication Number Publication Date
FR2452101A1 FR2452101A1 (en) 1980-10-17
FR2452101B1 true FR2452101B1 (en) 1984-07-20

Family

ID=26695138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005292A Granted FR2452101A1 (en) 1979-03-19 1980-03-10 INSPECTION SYSTEM FOR DETECTING DEFECTS IN REGULAR DRAWINGS IN PARTICULAR IN PHOTOGRAPHIC MODEL PLATES USED FOR MAKING SHADOW MASKS FOR COLOR TELEVISION IMAGE TUBES

Country Status (9)

Country Link
KR (1) KR830001829B1 (en)
CA (1) CA1140251A (en)
DD (1) DD149585A5 (en)
DE (1) DE3010559C2 (en)
FI (1) FI800767A (en)
FR (1) FR2452101A1 (en)
GB (1) GB2044925B (en)
IT (1) IT1130315B (en)
PL (1) PL137040B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1196085A (en) * 1980-11-07 1985-10-29 John W.V. Miller Method and apparatus for detecting defects in glass bottles using event proximity
DE3578768D1 (en) * 1985-03-14 1990-08-23 Toppan Printing Co Ltd DEVICE FOR CHECKING PRINTING.
DE3522179A1 (en) * 1985-06-21 1987-01-02 Forschungsgemeinschaft Aut Sic Device for carrying out optical measurements on installed windscreens
DE3737869A1 (en) * 1987-11-09 1989-05-24 Wagner Hans Juergen Dipl Ing Method and device for the optical testing of objects

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234941A (en) * 1967-08-16 1971-06-09 Emi Ltd Improvements in or relating to pattern recognition devices
US3620630A (en) * 1969-05-28 1971-11-16 Raytheon Co Radiation-sensitive mesh defect inspection system

Also Published As

Publication number Publication date
PL137040B1 (en) 1986-04-30
IT1130315B (en) 1986-06-11
PL222821A1 (en) 1981-01-30
DE3010559C2 (en) 1984-07-12
DD149585A5 (en) 1981-07-15
FR2452101A1 (en) 1980-10-17
KR830001829B1 (en) 1983-09-12
GB2044925B (en) 1983-02-09
FI800767A (en) 1980-09-20
DE3010559A1 (en) 1980-10-23
CA1140251A (en) 1983-01-25
GB2044925A (en) 1980-10-22
IT8020392A0 (en) 1980-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse