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NO136430C - CIRCUIT DEVICE FOR USE WITH A MOVING SURFACE DETECTOR - Google Patents

CIRCUIT DEVICE FOR USE WITH A MOVING SURFACE DETECTOR

Info

Publication number
NO136430C
NO136430C NO4252/72A NO425272A NO136430C NO 136430 C NO136430 C NO 136430C NO 4252/72 A NO4252/72 A NO 4252/72A NO 425272 A NO425272 A NO 425272A NO 136430 C NO136430 C NO 136430C
Authority
NO
Norway
Prior art keywords
circuit device
moving surface
surface detector
detector
moving
Prior art date
Application number
NO4252/72A
Other languages
Norwegian (no)
Other versions
NO136430B (en
Inventor
Graham Morley 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
Priority claimed from GB5562671A external-priority patent/GB1366369A/en
Application filed by Ferranti Ltd filed Critical Ferranti Ltd
Publication of NO136430B publication Critical patent/NO136430B/no
Publication of NO136430C publication Critical patent/NO136430C/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Textile Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
NO4252/72A 1971-11-30 1972-11-21 CIRCUIT DEVICE FOR USE WITH A MOVING SURFACE DETECTOR NO136430C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5562671A GB1366369A (en) 1971-11-30 1971-11-30 Detection of faults on surfaces

Publications (2)

Publication Number Publication Date
NO136430B NO136430B (en) 1977-05-23
NO136430C true NO136430C (en) 1977-08-31

Family

ID=10474428

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4252/72A NO136430C (en) 1971-11-30 1972-11-21 CIRCUIT DEVICE FOR USE WITH A MOVING SURFACE DETECTOR

Country Status (5)

Country Link
JP (1) JPS5518858B2 (en)
FI (1) FI56452C (en)
IT (1) IT973745B (en)
NO (1) NO136430C (en)
SE (1) SE389916B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113783A (en) * 1975-03-31 1976-10-07 Asahi Chem Ind Co Ltd Defects detector of nonwoven fabric
US4247204A (en) * 1979-02-26 1981-01-27 Intec Corporation Method and apparatus for a web edge tracking flaw detection system
JPS57157622A (en) * 1981-03-24 1982-09-29 Hitachi Denshi Ltd Saw tooth wave generating circuit
SE456532B (en) * 1985-10-18 1988-10-10 Asea Ab ARRANGEMENTS FOR SURFACE SEQUENCE OF A PROVOB

Also Published As

Publication number Publication date
NO136430B (en) 1977-05-23
FI56452B (en) 1979-09-28
FI56452C (en) 1980-01-10
IT973745B (en) 1974-06-10
SE389916B (en) 1976-11-22
JPS4864983A (en) 1973-09-07
JPS5518858B2 (en) 1980-05-22

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