JPS52138197A - Observing apparatus for rapid change in reflection or transmission energy by wood in radio frequency range - Google Patents

Observing apparatus for rapid change in reflection or transmission energy by wood in radio frequency range

Info

Publication number
JPS52138197A
JPS52138197A JP3145777A JP3145777A JPS52138197A JP S52138197 A JPS52138197 A JP S52138197A JP 3145777 A JP3145777 A JP 3145777A JP 3145777 A JP3145777 A JP 3145777A JP S52138197 A JPS52138197 A JP S52138197A
Authority
JP
Japan
Prior art keywords
wood
reflection
radio frequency
frequency range
rapid change
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.)
Granted
Application number
JP3145777A
Other languages
Japanese (ja)
Other versions
JPS628741B2 (en
Inventor
Touiri Marutei
Kinanen Irumari
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.)
INNOTEC Oy
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/en
Priority claimed from FI762851A external-priority patent/FI53365C/en
Priority claimed from FI762850A external-priority patent/FI53364C/en
Application filed by INNOTEC Oy filed Critical INNOTEC Oy
Publication of JPS52138197A publication Critical patent/JPS52138197A/en
Publication of JPS628741B2 publication Critical patent/JPS628741B2/ja
Granted legal-status Critical Current

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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP3145777A 1976-03-22 1977-03-22 Observing apparatus for rapid change in reflection or transmission energy by wood in radio frequency range Granted JPS52138197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI760753A FI52406C (en) 1976-03-22 1976-03-22 Device for detecting a sudden change in radio frequency energy reflected or transmitted from timber
FI762851A FI53365C (en) 1976-10-06 1976-10-06 ANORDING FOR THE FREON VIRKE VIRKE REFLECTOR ELLER GENOM DETTA PASSER RADIO FREQUENCY ENERGY VIDEO DETECTER AV SNEDFIBRIGHET I VIRKE
FI762850A FI53364C (en) 1976-10-06 1976-10-06 ANORDINATION FOR IAKTTAGANDE AV PLOETSLIG AENDRING I FRAON VIRKE REFLEKTERAD ELLER GENOM DETTA PASSERAD FRAON ETT ANTENNPAR ERHAOLLEN RADIOFREKVENT ENERGI

Publications (2)

Publication Number Publication Date
JPS52138197A true JPS52138197A (en) 1977-11-18
JPS628741B2 JPS628741B2 (en) 1987-02-24

Family

ID=27240969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3145777A Granted JPS52138197A (en) 1976-03-22 1977-03-22 Observing apparatus for rapid change in reflection or transmission energy by wood in radio frequency range

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5886443A (en) * 1981-11-18 1983-05-24 Agency Of Ind Science & Technol Measuring method for directivity of anisotropic material

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI57490C (en) * 1978-06-01 1980-08-11 Innotec Oy FOERFARANDE FOER BESTAEMNING AV SNEDFIBRIGHETEN I VIRKE I SYNNERHET I SAOGAT VIRKE
LU84307A1 (en) * 1982-07-29 1984-03-22 Bekaert Sa Nv SYSTEM FOR THE IDENTIFICATION OF MICROWAVE SHEET ITEMS
LU84308A1 (en) * 1982-07-29 1984-03-22 Bekaert Sa Nv SYSTEM FOR THE IDENTIFICATION OF MICROWAVE SHEET ITEMS
US4514680A (en) * 1983-01-28 1985-04-30 A.Ahlstrom Osakeyhtio Flaw detection system using microwaves
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
FR2578983B2 (en) * 1985-03-12 1988-04-01 Centre Nat Rech Scient IMPROVEMENTS IN CORRELATION SIGNAL PROCESSING PROCESS
AU603456B2 (en) * 1987-06-23 1990-11-15 De Beers Industrial Diamond Division (Proprietary) Limited Sorting method and apparatus
JPH0727713Y2 (en) * 1989-04-14 1995-06-21 株式会社東芝 Cover opening and closing device for telephones, etc.
WO2001036951A2 (en) * 1999-11-19 2001-05-25 Rhino Analytics, Llc Interferometric microwave sensor
DE10149317B4 (en) * 2001-10-05 2015-02-19 Albert-Ludwigs-Universität Freiburg Device for measuring the dielectric properties of a substrate
CA2636495C (en) * 2006-01-17 2016-09-06 University Of Northern British Columbia Methods and apparatus for determining fibre orientation
DE102011110011B4 (en) * 2011-08-11 2014-05-22 Fagus-Grecon Greten Gmbh & Co. Kg Device for checking a wood material, in particular a wood-based panel in a continuous strand during its manufacture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE407982B (en) * 1975-02-14 1979-04-30 Innotec Oy ASSUMED THAT FOR CLASSIFICATION OR SORTING OF TIMES INVESTIGATE THE PRESENCE OF TWINS IN IT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5886443A (en) * 1981-11-18 1983-05-24 Agency Of Ind Science & Technol Measuring method for directivity of anisotropic material
JPS6359459B2 (en) * 1981-11-18 1988-11-18

Also Published As

Publication number Publication date
SE7703300L (en) 1977-09-23
DE2712600A1 (en) 1977-09-29
DE2712600C2 (en) 1986-06-19
SE418774B (en) 1981-06-22
JPS628741B2 (en) 1987-02-24

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