SE7601243L - Sett for klassificering eller sortering av virke - Google Patents

Sett for klassificering eller sortering av virke

Info

Publication number
SE7601243L
SE7601243L SE7601243A SE7601243A SE7601243L SE 7601243 L SE7601243 L SE 7601243L SE 7601243 A SE7601243 A SE 7601243A SE 7601243 A SE7601243 A SE 7601243A SE 7601243 L SE7601243 L SE 7601243L
Authority
SE
Sweden
Prior art keywords
timber
feb
micro
antenna
frequency
Prior art date
Application number
SE7601243A
Other languages
Unknown language ( )
English (en)
Other versions
SE407982B (sv
Inventor
I Kinanen
J Duncker
Original Assignee
Innotec Oy
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
Priority claimed from FI750407A external-priority patent/FI52405C/sv
Priority claimed from FI753249A external-priority patent/FI53504C/fi
Application filed by Innotec Oy filed Critical Innotec Oy
Publication of SE7601243L publication Critical patent/SE7601243L/sv
Publication of SE407982B publication Critical patent/SE407982B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/02—Investigating the presence of flaws
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
SE7601243A 1975-02-14 1976-02-05 Sett att for klassificering eller sortering av virke undersoka forekomsten av kvistar deri SE407982B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI750407A FI52405C (sv) 1975-02-14 1975-02-14 Förfarande för klassificering och mätning av virke.
FI753249A FI53504C (fi) 1975-11-19 1975-11-19 Foerfarande foer virkesklassning och -maetning medelst reflexionsfoerfarande

Publications (2)

Publication Number Publication Date
SE7601243L true SE7601243L (sv) 1976-08-15
SE407982B SE407982B (sv) 1979-04-30

Family

ID=26156714

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601243A SE407982B (sv) 1975-02-14 1976-02-05 Sett att for klassificering eller sortering av virke undersoka forekomsten av kvistar deri

Country Status (4)

Country Link
JP (1) JPS51107163A (sv)
DE (1) DE2605448A1 (sv)
GB (1) GB1489554A (sv)
SE (1) SE407982B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712600C2 (de) * 1976-03-22 1986-06-19 Insinööritoimisto Innotec Oy, Espoo Vorrichtung zum Erfassen einer plötzlichen Veränderung der von Holzgut durchgelassenen oder reflektierten Energie mit Hochfrequenz
NL175344C (nl) * 1976-12-17 1984-10-16 Jahn H H O Werkwijze voor het onderzoeken van een muurconstructie.
FI57490C (fi) * 1978-06-01 1980-08-11 Innotec Oy Foerfarande foer bestaemning av snedfibrigheten i virke i synnerhet i saogat virke
JPS59187247A (ja) * 1983-04-06 1984-10-24 Nippon Denso Co Ltd アルコ−ル含有率センサ
JPS59195145A (ja) * 1983-04-20 1984-11-06 Nippon Denso Co Ltd アルコ−ル含有率センサ
JPS6176942A (ja) * 1984-09-22 1986-04-19 Kanzaki Paper Mfg Co Ltd 誘電体シートの配向性又は誘電特性の測定方法
AU603456B2 (en) * 1987-06-23 1990-11-15 De Beers Industrial Diamond Division (Proprietary) Limited Sorting method and apparatus
US5619143A (en) * 1989-02-14 1997-04-08 Commonwealth Scientific And Industrial Research Organisation Microwave scanning apparatus
US5585732A (en) * 1995-06-07 1996-12-17 Mississippi State University Detector for heterogeneous materials
US6756789B1 (en) 1999-05-27 2004-06-29 New Zealand Forest Research Institute Limited Method for imaging logs or stems and apparatus
NZ530619A (en) 2001-06-15 2005-12-23 Univ Mississippi Apparatus and method for detecting a knot in a wood piece using electrodes and measurement device
EP2295963B1 (en) * 2009-09-11 2013-12-25 MICROTEC S.r.l. Method and apparatus for determining the knot-to-volume ratio of wooden planks
DE102011110011B4 (de) * 2011-08-11 2014-05-22 Fagus-Grecon Greten Gmbh & Co. Kg Vorrichtung zum Überprüfen eines Holzwerkstoffes, insbesondere einer Holzwerkstoffplatte in einem fortlaufenden Strang während ihrer Herstellung
RU2577886C2 (ru) * 2014-05-05 2016-03-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный технологический университет" Устройство для экспресс-диагностики резонансных свойств древесины на корню

Also Published As

Publication number Publication date
JPS51107163A (ja) 1976-09-22
GB1489554A (en) 1977-10-19
SE407982B (sv) 1979-04-30
DE2605448A1 (de) 1976-08-26

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