DE1573955A1 - Einrichtung und Verfahren zum Erfassen von optisch erkennbaren Oberflaechenfehlern,z.B.bei Holz - Google Patents
Einrichtung und Verfahren zum Erfassen von optisch erkennbaren Oberflaechenfehlern,z.B.bei HolzInfo
- Publication number
- DE1573955A1 DE1573955A1 DE19661573955 DE1573955A DE1573955A1 DE 1573955 A1 DE1573955 A1 DE 1573955A1 DE 19661573955 DE19661573955 DE 19661573955 DE 1573955 A DE1573955 A DE 1573955A DE 1573955 A1 DE1573955 A1 DE 1573955A1
- Authority
- DE
- Germany
- Prior art keywords
- output
- counter
- discriminator
- scans
- television camera
- 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.)
- Pending
Links
- 230000007547 defect Effects 0.000 title description 9
- 239000002023 wood Substances 0.000 title description 6
- 238000000034 method Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims description 91
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000011093 chipboard Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000012795 verification Methods 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S209/00—Classifying, separating, and assorting solids
- Y10S209/939—Video scanning
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)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US512874A US3389789A (en) | 1965-12-10 | 1965-12-10 | Detecting and sorting means for sheets having flaws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1573955A1 true DE1573955A1 (de) | 1971-01-14 |
Family
ID=24040967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661573955 Pending DE1573955A1 (de) | 1965-12-10 | 1966-12-06 | Einrichtung und Verfahren zum Erfassen von optisch erkennbaren Oberflaechenfehlern,z.B.bei Holz |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3389789A (enrdf_load_html_response) |
| DE (1) | DE1573955A1 (enrdf_load_html_response) |
| GB (1) | GB1171142A (enrdf_load_html_response) |
| NO (1) | NO120335B (enrdf_load_html_response) |
| SE (1) | SE333255B (enrdf_load_html_response) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1285216B (de) * | 1966-07-15 | 1968-12-12 | Rheinische Kalksteinwerke | Vorrichtung zum Sortieren von Massenguetern |
| GB1240263A (en) * | 1967-07-10 | 1971-07-21 | British Insulated Callenders | Improvements in or relating to testing insulated conductors |
| US3578904A (en) * | 1968-10-15 | 1971-05-18 | Reynolds Metals Co | Feature counter with feature discrimination and/or masking |
| US3579249A (en) * | 1969-08-08 | 1971-05-18 | Reynolds Metals Co | Feature counter having between limits amplitude and/or width discrimination |
| US3715476A (en) * | 1969-01-16 | 1973-02-06 | Nippon Steel Corp | Method and apparatus for detecting pinholes on sheet articles |
| US3641257A (en) * | 1970-01-16 | 1972-02-08 | Hughes Aircraft Co | Noise suppressor for surveillance and intrusion-detecting system |
| US3647961A (en) * | 1970-04-09 | 1972-03-07 | Western Electric Co | T.v. -aided flaw detection using rotating image techniques |
| US3729635A (en) * | 1970-10-14 | 1973-04-24 | Lindly & Co | Yarn inspector |
| US3694658A (en) * | 1970-10-22 | 1972-09-26 | Morvue Inc | Veneer inspection system |
| US3689830A (en) * | 1971-04-05 | 1972-09-05 | Us Army | Exploding bridgewire tester with square wave generator |
| GB1395147A (en) * | 1971-05-06 | 1975-05-21 | Image Analysing Computers Ltd | Feature classifiaction in image analysis |
| US3872243A (en) * | 1971-05-18 | 1975-03-18 | Image Analysing Computers Ltd | Method and apparatus for checking measurements made in image analysis systems |
| US3882316A (en) * | 1973-05-24 | 1975-05-06 | Smithkline Corp | Quality control monitor for medicinal capsule packaging apparatus |
| US3911360A (en) * | 1974-02-11 | 1975-10-07 | Gene A Kimzey | Variable time delay voltage dropout detector |
| US4011457A (en) * | 1975-08-06 | 1977-03-08 | E. I. Du Pont De Nemours And Company | Web defect monitor for abrupt changes in web density |
| US4207472A (en) * | 1975-12-05 | 1980-06-10 | The Bendix Corporation | Lumber inspection and optimization system |
| JPS52114212A (en) * | 1976-03-22 | 1977-09-24 | Fujitsu Ltd | Information density determining circuit |
| DE2728717C2 (de) * | 1977-06-25 | 1983-11-10 | Pfister Gmbh, 8900 Augsburg | Verfahren und Vorrichtung zur berührungsfreien Bestimmung von Qualitätsmerkmalen eines Prüfobjektes der Fleischwaren-Kategorie, insbesondere eines Schlachttierkörpers oder Teilen davon |
| FR2402868A1 (fr) * | 1977-09-12 | 1979-04-06 | Usinor | Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse |
| US4237539A (en) * | 1977-11-21 | 1980-12-02 | E. I. Du Pont De Nemours And Company | On-line web inspection system |
| US4173736A (en) * | 1978-03-06 | 1979-11-06 | Western Electric Company, Incorporated | Capacitance detecting system and method for testing wire connections |
| US4205769A (en) * | 1978-05-05 | 1980-06-03 | Western Electric Company, Inc. | Methods of and system for counting holes and for detecting missing holes in a web |
| US4287990A (en) * | 1979-07-30 | 1981-09-08 | Libbey-Owens-Ford Company | Glass sheet shipping packages |
| DE2952712C2 (de) * | 1979-12-29 | 1984-07-12 | Hoesch Werke Ag, 4600 Dortmund | Vorrichtung zur Erkennung von Fehlern |
| US4500202A (en) * | 1982-05-24 | 1985-02-19 | Itek Corporation | Printed circuit board defect detection of detecting maximum line width violations |
| US4578810A (en) * | 1983-08-08 | 1986-03-25 | Itek Corporation | System for printed circuit board defect detection |
| GB2175396B (en) * | 1985-05-22 | 1989-06-28 | Filler Protection Developments | Apparatus for examining objects |
| US4675730A (en) * | 1985-09-06 | 1987-06-23 | Aluminum Company Of America | Video surface inspection system |
| ATE54027T1 (de) * | 1986-02-22 | 1990-07-15 | Pinsch Gmbh & Co Helmut K | Schnittholz-pruefvorrichtung. |
| US5113454A (en) * | 1988-08-19 | 1992-05-12 | Kajaani Electronics Ltd. | Formation testing with digital image analysis |
| US5033095A (en) * | 1988-09-30 | 1991-07-16 | Marcantonio Jeffrey J | Scanning image analyzer for accumulating quantifiable contaminants of webs |
| US4931657A (en) * | 1989-04-13 | 1990-06-05 | Macmillan Bloedel Limited | On-line texture sensing |
| DE19544481A1 (de) * | 1995-11-29 | 1997-06-05 | Laser Sorter Gmbh | Beleuchtungseinrichtung mit Halogen-Metalldampflampen |
| FI110545B (fi) * | 1998-10-28 | 2003-02-14 | Valtion Teknillinen | Puuaineksen mittausmenetelmä ja -järjestely |
| CA2631154A1 (en) * | 2005-11-28 | 2007-05-31 | Navy Island Plywood, Inc. | Method of rating wood product quality |
| WO2010008074A1 (ja) * | 2008-07-18 | 2010-01-21 | 瀬戸製材株式会社 | 木材の管理システム |
| US20120050522A1 (en) * | 2010-08-24 | 2012-03-01 | Research In Motion Limited | Method of and apparatus for verifying assembly components of a mobile device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735017A (en) * | 1956-02-14 | beard ettal | ||
| US2975293A (en) * | 1955-02-18 | 1961-03-14 | Diamond Power Speciality | Optical defect detector |
| US2947212A (en) * | 1956-04-30 | 1960-08-02 | American Brass Co | Method of detecting surface conditions of sheet metal |
| US3019346A (en) * | 1960-03-28 | 1962-01-30 | Jones & Laughlin Steel Corp | Electronic surface inspection system |
| US3096443A (en) * | 1960-06-20 | 1963-07-02 | Jones & Laughlin Steel Corp | Electronic surface inspection system |
| US3264480A (en) * | 1962-01-15 | 1966-08-02 | Linen Supply Ass Of America | Photoelectric inspection apparatus for material having variations in reflectivity |
-
1965
- 1965-12-10 US US512874A patent/US3389789A/en not_active Expired - Lifetime
-
1966
- 1966-12-01 GB GB53752/66A patent/GB1171142A/en not_active Expired
- 1966-12-06 DE DE19661573955 patent/DE1573955A1/de active Pending
- 1966-12-08 NO NO165907A patent/NO120335B/no unknown
- 1966-12-09 SE SE16945/66A patent/SE333255B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE333255B (sv) | 1971-03-08 |
| US3389789A (en) | 1968-06-25 |
| NO120335B (enrdf_load_html_response) | 1970-10-05 |
| GB1171142A (en) | 1969-11-19 |
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