GB921362A - Improvements in or relating to the checking of sheet material for optically detectable irregularities - Google Patents

Improvements in or relating to the checking of sheet material for optically detectable irregularities

Info

Publication number
GB921362A
GB921362A GB1230759A GB1230759A GB921362A GB 921362 A GB921362 A GB 921362A GB 1230759 A GB1230759 A GB 1230759A GB 1230759 A GB1230759 A GB 1230759A GB 921362 A GB921362 A GB 921362A
Authority
GB
United Kingdom
Prior art keywords
photo
sheet
light
gap
scanning
Prior art date
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
GB1230759A
Other languages
English (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.)
Feldmuehle Papier und Zellstoffwerke AG
Original Assignee
Feldmuehle Papier und Zellstoffwerke 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 Feldmuehle Papier und Zellstoffwerke AG filed Critical Feldmuehle Papier und Zellstoffwerke AG
Publication of GB921362A publication Critical patent/GB921362A/en
Expired 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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/894—Pinholes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • 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
    • G01N33/346—Paper sheets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/0281—Details of scanning heads ; Means for illuminating the original for picture information pick-up with means for collecting light from a line or an area of the original and for guiding it to only one or a relatively low number of picture element detectors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Textile Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB1230759A 1958-04-11 1959-04-10 Improvements in or relating to the checking of sheet material for optically detectable irregularities Expired GB921362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0254701 1958-04-11

Publications (1)

Publication Number Publication Date
GB921362A true GB921362A (en) 1963-03-20

Family

ID=7115586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230759A Expired GB921362A (en) 1958-04-11 1959-04-10 Improvements in or relating to the checking of sheet material for optically detectable irregularities

Country Status (4)

Country Link
BE (1) BE571375A (ja)
CH (1) CH363175A (ja)
FR (1) FR1211664A (ja)
GB (1) GB921362A (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1126274A3 (en) * 2000-01-19 2002-09-11 Voith Paper Patent GmbH Scanner with interior gauging head and combined dust and drive belt
EP1411010A2 (en) * 2002-10-18 2004-04-21 Kabushiki Kaisha Toshiba Paper sheet detection apparatus
WO2006015965A1 (de) * 2004-08-05 2006-02-16 Binder + Co Ag Verfahren zum detektieren und entfernen von fremdkörpern
CN106881285A (zh) * 2015-12-16 2017-06-23 株式会社理光 片材搬送·积载装置、片材检查·区分装置及片材搬送·积载方法
CN107051895A (zh) * 2015-12-16 2017-08-18 株式会社理光 片材检查搬送装置及片材检查和区分装置
CN111762615A (zh) * 2020-08-10 2020-10-13 安徽美裕集团有限公司 一种口罩生产机口罩片夹送装置
CN112474431A (zh) * 2020-11-29 2021-03-12 龚海燕 一种具有色选剔除机构的输送设备及其实施方法
CN114535116A (zh) * 2022-01-27 2022-05-27 歌尔科技有限公司 一种视觉检测装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009012142U1 (de) * 2009-09-07 2011-02-03 Sick Ag Optoelektronischer Sensor zur Streifenerkennung
DE102012209896B4 (de) * 2012-06-13 2014-03-06 Bst International Gmbh Vorrichtung für die Farbmessung an einem Druckbild auf einer laufenden Materialbahn

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1126274A3 (en) * 2000-01-19 2002-09-11 Voith Paper Patent GmbH Scanner with interior gauging head and combined dust and drive belt
EP1411010A2 (en) * 2002-10-18 2004-04-21 Kabushiki Kaisha Toshiba Paper sheet detection apparatus
EP1411010A3 (en) * 2002-10-18 2004-06-09 Kabushiki Kaisha Toshiba Paper sheet detection apparatus
US7011307B2 (en) 2002-10-18 2006-03-14 Kabushiki Kaisha Toshiba Paper sheet detection apparatus
WO2006015965A1 (de) * 2004-08-05 2006-02-16 Binder + Co Ag Verfahren zum detektieren und entfernen von fremdkörpern
CN106881285A (zh) * 2015-12-16 2017-06-23 株式会社理光 片材搬送·积载装置、片材检查·区分装置及片材搬送·积载方法
CN107051895A (zh) * 2015-12-16 2017-08-18 株式会社理光 片材检查搬送装置及片材检查和区分装置
CN111762615A (zh) * 2020-08-10 2020-10-13 安徽美裕集团有限公司 一种口罩生产机口罩片夹送装置
CN112474431A (zh) * 2020-11-29 2021-03-12 龚海燕 一种具有色选剔除机构的输送设备及其实施方法
CN114535116A (zh) * 2022-01-27 2022-05-27 歌尔科技有限公司 一种视觉检测装置

Also Published As

Publication number Publication date
FR1211664A (fr) 1960-03-17
BE571375A (ja)
CH363175A (de) 1962-07-15

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