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CH543088A - Device for the continuous inspection of a photographic film for cracks - Google Patents

Device for the continuous inspection of a photographic film for cracks

Info

Publication number
CH543088A
CH543088A CH1406270A CH1406270A CH543088A CH 543088 A CH543088 A CH 543088A CH 1406270 A CH1406270 A CH 1406270A CH 1406270 A CH1406270 A CH 1406270A CH 543088 A CH543088 A CH 543088A
Authority
CH
Switzerland
Prior art keywords
cracks
photographic film
continuous inspection
inspection
continuous
Prior art date
Application number
CH1406270A
Other languages
German (de)
Inventor
Vogt Horst-Dieter
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to CH1406270A priority Critical patent/CH543088A/en
Priority to DE19712146947 priority patent/DE2146947C3/en
Publication of CH543088A publication Critical patent/CH543088A/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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D15/00—Apparatus for treating processed material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (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)
CH1406270A 1970-09-23 1970-09-23 Device for the continuous inspection of a photographic film for cracks CH543088A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1406270A CH543088A (en) 1970-09-23 1970-09-23 Device for the continuous inspection of a photographic film for cracks
DE19712146947 DE2146947C3 (en) 1970-09-23 1971-09-20 Device for the continuous inspection of a photographic film for cracks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1406270A CH543088A (en) 1970-09-23 1970-09-23 Device for the continuous inspection of a photographic film for cracks

Publications (1)

Publication Number Publication Date
CH543088A true CH543088A (en) 1973-10-15

Family

ID=4397625

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1406270A CH543088A (en) 1970-09-23 1970-09-23 Device for the continuous inspection of a photographic film for cracks

Country Status (2)

Country Link
CH (1) CH543088A (en)
DE (1) DE2146947C3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445544C2 (en) * 1974-09-24 1986-12-18 Agfa-Gevaert Ag, 5090 Leverkusen Method and device for checking a photographic film for cracks
DE2812633C2 (en) * 1978-03-22 1981-10-01 Agfa-Gevaert Ag, 5090 Leverkusen Method and device for non-contact, continuous measurement and monitoring of magnetic tracks on moving film tapes
DE3739436C1 (en) * 1987-11-20 1989-03-30 Sick Optik Elektronik Erwin Optical hole finder
US5141768A (en) * 1989-08-02 1992-08-25 Asmo Co., Ltd. Method and apparatus for correcting dynamic balance of rotating body
DE102024117705A1 (en) * 2024-06-24 2025-08-21 Voith Patent Gmbh Single-row dryer group with a web break detection system

Also Published As

Publication number Publication date
DE2146947C3 (en) 1980-10-23
DE2146947B2 (en) 1979-08-16
DE2146947A1 (en) 1972-03-30

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Legal Events

Date Code Title Description
PL Patent ceased