SE418774B - DEVICE FOR INDICATING THE TRANSMISSION THROUGH OR THROUGH THE REFLECTING RADIO-FREQUENCY ENERGY'S sudden change - Google Patents

DEVICE FOR INDICATING THE TRANSMISSION THROUGH OR THROUGH THE REFLECTING RADIO-FREQUENCY ENERGY'S sudden change

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
Swedish (sv)
Other versions
SE7703300L (en
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/en
Priority claimed from FI762850A external-priority patent/FI53364C/en
Priority claimed from FI762851A external-priority patent/FI53365C/en
Application filed by Innotec Oy filed Critical Innotec Oy
Publication of SE7703300L publication Critical patent/SE7703300L/en
Publication of SE418774B publication Critical patent/SE418774B/en

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)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
SE7703300A 1976-03-22 1977-03-22 DEVICE FOR INDICATING THE TRANSMISSION THROUGH OR THROUGH THE REFLECTING RADIO-FREQUENCY ENERGY'S sudden change SE418774B (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
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
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

Publications (2)

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

Family

ID=27240969

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7703300A SE418774B (en) 1976-03-22 1977-03-22 DEVICE FOR INDICATING THE TRANSMISSION THROUGH OR THROUGH THE REFLECTING RADIO-FREQUENCY ENERGY'S sudden change

Country Status (3)

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

Families Citing this family (13)

* 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
JPS5886443A (en) * 1981-11-18 1983-05-24 Agency Of Ind Science & Technol Measuring method for directivity of anisotropic material
LU84308A1 (en) * 1982-07-29 1984-03-22 Bekaert Sa Nv SYSTEM FOR THE IDENTIFICATION OF MICROWAVE SHEET ITEMS
LU84307A1 (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
FR2578983B2 (en) * 1985-03-12 1988-04-01 Centre Nat Rech Scient IMPROVEMENTS IN CORRELATION SIGNAL PROCESSING PROCESS
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
JPH0727713Y2 (en) * 1989-04-14 1995-06-21 株式会社東芝 Cover opening and closing device for telephones, etc.
AU776712B2 (en) 1999-11-19 2004-09-16 Rhino Analytics, Llc A deltal microwave sensor having improved sensitivity
DE10149317B4 (en) * 2001-10-05 2015-02-19 Albert-Ludwigs-Universität Freiburg Device for measuring the dielectric properties of a substrate
WO2007082371A1 (en) * 2006-01-17 2007-07-26 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

Also Published As

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

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