NO136594B - - Google Patents

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Publication number
NO136594B
NO136594B NO291973A NO291973A NO136594B NO 136594 B NO136594 B NO 136594B NO 291973 A NO291973 A NO 291973A NO 291973 A NO291973 A NO 291973A NO 136594 B NO136594 B NO 136594B
Authority
NO
Norway
Prior art keywords
signal
edge
transverse
detector
zero
Prior art date
Application number
NO291973A
Other languages
English (en)
Norwegian (no)
Other versions
NO136594C (no
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 NO136594B publication Critical patent/NO136594B/no
Publication of NO136594C publication Critical patent/NO136594C/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

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)
  • Length Measuring Devices By Optical Means (AREA)
NO291973A 1972-07-29 1973-07-17 Detektor til p}visning av feil i en overflate. NO136594C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3561172A GB1433126A (en) 1972-07-29 1972-07-29 Detection of blemishes in surfaces

Publications (2)

Publication Number Publication Date
NO136594B true NO136594B (enrdf_load_stackoverflow) 1977-06-20
NO136594C NO136594C (no) 1977-09-28

Family

ID=10379647

Family Applications (1)

Application Number Title Priority Date Filing Date
NO291973A NO136594C (no) 1972-07-29 1973-07-17 Detektor til p}visning av feil i en overflate.

Country Status (8)

Country Link
JP (1) JPS4986083A (enrdf_load_stackoverflow)
DE (1) DE2338293A1 (enrdf_load_stackoverflow)
DK (1) DK132197C (enrdf_load_stackoverflow)
FR (1) FR2194947B1 (enrdf_load_stackoverflow)
GB (1) GB1433126A (enrdf_load_stackoverflow)
IT (1) IT990025B (enrdf_load_stackoverflow)
NO (1) NO136594C (enrdf_load_stackoverflow)
SE (1) SE388044B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7451872B1 (en) 2006-07-27 2008-11-18 Boyt Harness Company, Llc Weaponry container having a rigid outer surface

Also Published As

Publication number Publication date
DK132197B (da) 1975-11-03
GB1433126A (en) 1976-04-22
DE2338293A1 (de) 1974-02-07
FR2194947A1 (enrdf_load_stackoverflow) 1974-03-01
JPS4986083A (enrdf_load_stackoverflow) 1974-08-17
FR2194947B1 (enrdf_load_stackoverflow) 1978-05-26
NO136594C (no) 1977-09-28
SE388044B (sv) 1976-09-20
DK132197C (da) 1976-04-05
IT990025B (it) 1975-06-20

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