SE418774B - Anordning for indikering av den genom trevaror genomgaende eller den fran trevaror reflekterande radiofrekventa energins plotsliga forendring - Google Patents

Anordning for indikering av den genom trevaror genomgaende eller den fran trevaror reflekterande radiofrekventa energins plotsliga forendring

Info

Publication number
SE418774B
SE418774B SE7703300A SE7703300A SE418774B SE 418774 B SE418774 B SE 418774B SE 7703300 A SE7703300 A SE 7703300A SE 7703300 A SE7703300 A SE 7703300A SE 418774 B SE418774 B SE 418774B
Authority
SE
Sweden
Prior art keywords
indicating
transmission
sudden change
frequency energy
reflecting radio
Prior art date
Application number
SE7703300A
Other languages
English (en)
Swedish (sv)
Other versions
SE7703300L (sv
Inventor
M Tiuri
I Kinanen
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 FI760753A external-priority patent/FI52406C/fi
Priority claimed from FI762850A external-priority patent/FI53364C/fi
Priority claimed from FI762851A external-priority patent/FI53365C/fi
Application filed by Innotec Oy filed Critical Innotec Oy
Publication of SE7703300L publication Critical patent/SE7703300L/
Publication of SE418774B publication Critical patent/SE418774B/xx

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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Electromagnetism (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
SE7703300A 1976-03-22 1977-03-22 Anordning for indikering av den genom trevaror genomgaende eller den fran trevaror reflekterande radiofrekventa energins plotsliga forendring SE418774B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI760753A FI52406C (fi) 1976-03-22 1976-03-22 Laite puutavarasta heijastuneen tai läpi kulkeneen radiotaajuisen ener gian äkillisen muutoksen havaitsemiseksi
FI762850A FI53364C (fi) 1976-10-06 1976-10-06 Anordning foer iakttagande av ploetslig aendring i fraon virke reflekterad eller genom detta passerad fraon ett antennpar erhaollen radiofrekvent energi
FI762851A FI53365C (fi) 1976-10-06 1976-10-06 Anordning foer utnyttjande av fraon virke reflekterad eller genom detta passerad radiofrekvent energi vid detektering av snedfibrighet i virke

Publications (2)

Publication Number Publication Date
SE7703300L SE7703300L (sv) 1977-09-23
SE418774B true SE418774B (sv) 1981-06-22

Family

ID=27240969

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7703300A SE418774B (sv) 1976-03-22 1977-03-22 Anordning for indikering av den genom trevaror genomgaende eller den fran trevaror reflekterande radiofrekventa energins plotsliga forendring

Country Status (3)

Country Link
JP (1) JPS52138197A (enExample)
DE (1) DE2712600C2 (enExample)
SE (1) SE418774B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI57490C (fi) * 1978-06-01 1980-08-11 Innotec Oy Foerfarande foer bestaemning av snedfibrigheten i virke i synnerhet i saogat virke
JPS5886443A (ja) * 1981-11-18 1983-05-24 Agency Of Ind Science & Technol 異方性材料の方向性測定方法
LU84307A1 (fr) * 1982-07-29 1984-03-22 Bekaert Sa Nv Systeme pour l'identification d'articles en feuilles par micro-ondes
LU84308A1 (fr) * 1982-07-29 1984-03-22 Bekaert Sa Nv Systeme pour l'identification d'articles en feuilles par micro-ondes
US4514680A (en) * 1983-01-28 1985-04-30 A.Ahlstrom Osakeyhtio Flaw detection system using microwaves
FR2578983B2 (fr) * 1985-03-12 1988-04-01 Centre Nat Rech Scient Perfectionnements au procede de traitement du signal par correlation
US4659982A (en) * 1984-06-21 1987-04-21 Centre National De La Recherches Scientifique Microwave apparatus and method of operation to determine position and/or speed of a movable body or discontinuity or change in a material
AU603456B2 (en) * 1987-06-23 1990-11-15 De Beers Industrial Diamond Division (Proprietary) Limited Sorting method and apparatus
ATE362104T1 (de) * 1999-11-19 2007-06-15 Rhino Analytics Llc Interferometrischer mikrowellensensor
DE10149317B4 (de) * 2001-10-05 2015-02-19 Albert-Ludwigs-Universität Freiburg Vorrichtung zur Messung der dielektrischen Eigenschaften eines Substrats
WO2007082371A1 (en) * 2006-01-17 2007-07-26 University Of Northern British Columbia Methods and apparatus for determining fibre orientation
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
CN115144438B (zh) * 2022-06-30 2024-11-29 青岛理工大学 一种无线微带贴片天线传感器及在脱粘缺陷检测领域的应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE407982B (sv) * 1975-02-14 1979-04-30 Innotec Oy Sett att for klassificering eller sortering av virke undersoka forekomsten av kvistar deri

Also Published As

Publication number Publication date
DE2712600C2 (de) 1986-06-19
SE7703300L (sv) 1977-09-23
JPS628741B2 (enExample) 1987-02-24
JPS52138197A (en) 1977-11-18
DE2712600A1 (de) 1977-09-29

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