FI58838C - Foerfarande och anordning foer detektering av defekter i virke - Google Patents
Foerfarande och anordning foer detektering av defekter i virke Download PDFInfo
- Publication number
- FI58838C FI58838C FI750114A FI750114A FI58838C FI 58838 C FI58838 C FI 58838C FI 750114 A FI750114 A FI 750114A FI 750114 A FI750114 A FI 750114A FI 58838 C FI58838 C FI 58838C
- Authority
- FI
- Finland
- Prior art keywords
- light
- wood
- light detector
- timber
- electrical signal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title description 8
- 230000002950 deficient Effects 0.000 title description 2
- 239000002023 wood Substances 0.000 claims description 50
- 230000007547 defect Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 18
- 238000007689 inspection Methods 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 20
- 230000004888 barrier function Effects 0.000 description 6
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 238000003909 pattern recognition Methods 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002538 fungal effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
- G01N21/8986—Wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
-
- 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
- G01N21/8901—Optical details; Scanning details
-
- 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
- G01N33/46—Wood
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/533—With photo-electric work-sensing means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Textile Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2472/74A GB1488841A (en) | 1974-01-18 | 1974-01-18 | Optical detection apparatus |
| GB247274 | 1974-01-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI750114A7 FI750114A7 (enExample) | 1975-07-19 |
| FI58838B FI58838B (fi) | 1980-12-31 |
| FI58838C true FI58838C (fi) | 1981-04-10 |
Family
ID=9740181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI750114A FI58838C (fi) | 1974-01-18 | 1975-01-17 | Foerfarande och anordning foer detektering av defekter i virke |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3976384A (enExample) |
| CA (1) | CA1047620A (enExample) |
| FI (1) | FI58838C (enExample) |
| GB (1) | GB1488841A (enExample) |
| SE (1) | SE400381B (enExample) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099051A (en) * | 1976-11-18 | 1978-07-04 | Automation Systems, Inc. | Inspection apparatus employing a circular scan |
| US4184175A (en) * | 1977-02-09 | 1980-01-15 | The Procter & Gamble Company | Method of and apparatus for optically detecting anomalous subsurface structure in translucent articles |
| US4286880A (en) * | 1979-07-30 | 1981-09-01 | The Bendix Corporation | Scanning light beam lumber defect position system and method of using same |
| FI63835C (fi) * | 1981-02-10 | 1983-08-10 | Altim Control Ky | Foerfarande foer identifiering av ett virkes ytegenskaper |
| US4555179A (en) * | 1982-11-08 | 1985-11-26 | John Langerholc | Detection and imaging of objects in scattering media by light irradiation |
| SE8304117L (sv) * | 1983-07-22 | 1985-01-23 | Tord Wadell | Forfarande och anordning for beroringsfri identifiering och strukturbeskrivning av virke |
| US4606645A (en) * | 1984-10-29 | 1986-08-19 | Weyerhaeuser Company | Method for determining localized fiber angle in a three dimensional fibrous material |
| US4745550A (en) * | 1985-08-16 | 1988-05-17 | Schlumberger Technology Corporation | Processing of oriented patterns |
| FI74815C (fi) * | 1986-01-20 | 1988-03-10 | Altim Control Ky | Foerfarande foer identifiering av en traeytas ytegenskaper. |
| DE3672163D1 (de) * | 1986-02-22 | 1990-07-26 | Pinsch Gmbh & Co Helmut K | Schnittholz-pruefvorrichtung. |
| IT1204492B (it) * | 1986-03-21 | 1989-03-01 | Cremona Lorenzo | Sistema per il rilevamento e l'eliminazione di difetti presenti in manufatti in lavorazione,in particolare pannelli di legno con cricche e ripieghi che devono essere stuccati |
| US4831545A (en) * | 1987-06-26 | 1989-05-16 | Weyerhaeuser Company | Method for determination of pith location relative to lumber surfaces |
| US4916629A (en) * | 1987-06-26 | 1990-04-10 | Weyerhaeuser Company | Method for determination of pith location relative to lumber surfaces |
| US4926350A (en) * | 1987-09-14 | 1990-05-15 | Metriguard, Inc. | Non-destructive testing methods for lumber |
| SE466420B (sv) * | 1989-11-14 | 1992-02-10 | Svenska Traeforskningsinst | Foerfarande och anordning foer detektering av bark samt bestaemning av barkningsgrad paa ved eller i flis |
| US5357112A (en) * | 1993-07-14 | 1994-10-18 | Mississippi State University: Forest Products Laboratory | Method for determining the presence of knots or voids in wood |
| SE9400849L (sv) * | 1994-03-08 | 1995-04-03 | Soliton Elektronik Ab | Anordning och förfarande för detektering av defekter i virke |
| NZ270892A (en) * | 1994-08-24 | 1997-01-29 | Us Natural Resources | Detecting lumber defects utilizing optical pattern recognition algorithm |
| JP3269288B2 (ja) * | 1994-10-31 | 2002-03-25 | 松下電器産業株式会社 | 光学的検査方法および光学的検査装置 |
| US5644392A (en) * | 1995-09-12 | 1997-07-01 | U.S. Natural Resources, Inc. | Scanning system for lumber |
| JP3618945B2 (ja) * | 1996-02-21 | 2005-02-09 | キヤノン株式会社 | 基板の切断方法及び基板切断装置 |
| DE19717488C2 (de) | 1997-04-25 | 2003-05-15 | Baumer Optronic Gmbh | Vorrichtung zur Inspektion der Oberfläche von Objekten |
| DE19745910C2 (de) * | 1997-10-17 | 1999-11-18 | Stn Atlas Elektronik Gmbh | Verfahren und Vorrichtung zum Überprüfen von Hartholzoberflächen auf Risse |
| FI110545B (fi) * | 1998-10-28 | 2003-02-14 | Valtion Teknillinen | Puuaineksen mittausmenetelmä ja -järjestely |
| AT407198B (de) * | 1998-10-28 | 2001-01-25 | Werth Peter Dipl Ing | Verfahren und anlage zum lokalisieren von harzeinschlüssen in holz |
| US6618155B2 (en) | 2000-08-23 | 2003-09-09 | Lmi Technologies Inc. | Method and apparatus for scanning lumber and other objects |
| US6825936B2 (en) | 2000-08-23 | 2004-11-30 | Lmi Technologies, Inc. | High speed camera based sensors |
| US6624883B1 (en) | 2000-09-28 | 2003-09-23 | National Research Council Of Canada | Method of and apparatus for determining wood grain orientation |
| SE0103279L (sv) * | 2001-10-02 | 2003-04-03 | Integrated Vision Prod | Förfarande för mätning av ljusspridning och geometrisk profil |
| US7369916B2 (en) | 2002-04-18 | 2008-05-06 | Black & Decker Inc. | Drill press |
| US7359762B2 (en) | 2002-04-18 | 2008-04-15 | Black & Decker Inc. | Measurement and alignment device including a display system |
| US7073268B1 (en) | 2002-04-18 | 2006-07-11 | Black & Decker Inc. | Level apparatus |
| US8004664B2 (en) | 2002-04-18 | 2011-08-23 | Chang Type Industrial Company | Power tool control system |
| US20060076385A1 (en) | 2002-04-18 | 2006-04-13 | Etter Mark A | Power tool control system |
| US20030233921A1 (en) | 2002-06-19 | 2003-12-25 | Garcia Jaime E. | Cutter with optical alignment system |
| US7137327B2 (en) | 2002-10-31 | 2006-11-21 | Black & Decker Inc. | Riving knife assembly for a dual bevel table saw |
| US7290474B2 (en) | 2003-04-29 | 2007-11-06 | Black & Decker Inc. | System for rapidly stopping a spinning table saw blade |
| GB0409691D0 (en) * | 2004-04-30 | 2004-06-02 | Titech Visionsort As | Apparatus and method |
| CA2478757A1 (fr) * | 2004-08-06 | 2006-02-06 | Mario Talbot | Detection du bois bleui et de la pourriture sur le bois d'oeuvre |
| US7243440B2 (en) | 2004-10-06 | 2007-07-17 | Black & Decker Inc. | Gauge for use with power tools |
| US7584652B2 (en) | 2005-12-21 | 2009-09-08 | Weyerhaeuser Nr Company | Methods of rapidly simulating in-service warp distortion of a wood product and/or rapidly estimating shrinkage properties using electromagnetic energy |
| DE102006044307A1 (de) * | 2006-09-17 | 2008-09-25 | Massen Machine Vision Systems Gmbh | Multisensorielle Inspektion von Naturholz-Oberflächen |
| US7304740B1 (en) * | 2006-09-27 | 2007-12-04 | Weyerhaeuser Company | Methods for detecting compression wood in lumber |
| US7630847B2 (en) | 2007-03-26 | 2009-12-08 | Weyerhaeuser Nr Company | Methods for predicting dimensional stability of a wood product based on differential characteristics |
| ATE494529T1 (de) | 2008-07-04 | 2011-01-15 | Sick Ivp Ab | Kalibrierung eines profilmesssystems |
| DE102009007114C5 (de) * | 2009-02-02 | 2014-03-13 | Guido Schulte | Verfahren zum Herstellen einer Oberfläche eines Bauteils, dessen Verwendung sowie Oberfläche eines Bauteils |
| US8780360B2 (en) | 2009-07-15 | 2014-07-15 | Microtec S.R.L. | Method and apparatus for identifying the orientation of wood fibres |
| FI125727B (fi) * | 2009-12-15 | 2016-01-29 | Upm Kymmene Corp | Menetelmä ja laitteisto sahatavarakappaleen ominaisuuksien määrittämiseksi |
| US20130144568A1 (en) | 2011-08-31 | 2013-06-06 | Rodrigo A. Palma-Amestoy | System and Method for Variable Detection in Objects |
| SE543138C2 (en) * | 2018-11-03 | 2020-10-13 | Tracy Of Sweden Ab | Arrangement and method for capturing image of log |
| US12318912B2 (en) | 2021-12-21 | 2025-06-03 | Omidreza Ghanadiof | System and method for inspecting and maintaining the exterior elevated elements of building structures |
| US12033314B2 (en) * | 2021-12-21 | 2024-07-09 | Omidreza Ghanadiof | System and method for inspecting and maintaining the exterior elevated elements of building structures |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3165961A (en) * | 1962-11-30 | 1965-01-19 | Weyerhaeuser Co | Apparatus for automatically cutting defective veneer sheets |
| US3760667A (en) * | 1969-01-15 | 1973-09-25 | Black Clawson Co | Veneer defect detector and clipper control |
| US3694658A (en) * | 1970-10-22 | 1972-09-26 | Morvue Inc | Veneer inspection system |
-
1974
- 1974-01-18 GB GB2472/74A patent/GB1488841A/en not_active Expired
-
1975
- 1975-01-16 SE SE7500465A patent/SE400381B/xx not_active IP Right Cessation
- 1975-01-16 US US05/541,573 patent/US3976384A/en not_active Expired - Lifetime
- 1975-01-17 CA CA218,094A patent/CA1047620A/en not_active Expired
- 1975-01-17 FI FI750114A patent/FI58838C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1488841A (en) | 1977-10-12 |
| SE400381B (sv) | 1978-03-20 |
| CA1047620A (en) | 1979-01-30 |
| US3976384A (en) | 1976-08-24 |
| FI750114A7 (enExample) | 1975-07-19 |
| FI58838B (fi) | 1980-12-31 |
| AU7726675A (en) | 1976-07-15 |
| SE7500465L (enExample) | 1975-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: PLESSEY HANDEL UND INVESTMENTS AG |