CA2618545C - Methode et appareil pour la detection et la caracterisation de fentes dans des buches - Google Patents

Methode et appareil pour la detection et la caracterisation de fentes dans des buches Download PDF

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Publication number
CA2618545C
CA2618545C CA002618545A CA2618545A CA2618545C CA 2618545 C CA2618545 C CA 2618545C CA 002618545 A CA002618545 A CA 002618545A CA 2618545 A CA2618545 A CA 2618545A CA 2618545 C CA2618545 C CA 2618545C
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CA
Canada
Prior art keywords
wooden member
wooden
ultrasonic
transducers
along
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.)
Expired - Lifetime
Application number
CA002618545A
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English (en)
Other versions
CA2618545A1 (fr
Inventor
Mark E. Schafer
Robert J. Ross
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.)
USNR LLC
Original Assignee
USNR LLC
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 US09/151,432 external-priority patent/US6029522A/en
Priority claimed from US09/196,674 external-priority patent/US6092418A/en
Application filed by USNR LLC filed Critical USNR LLC
Priority claimed from CA002321576A external-priority patent/CA2321576C/fr
Publication of CA2618545A1 publication Critical patent/CA2618545A1/fr
Application granted granted Critical
Publication of CA2618545C publication Critical patent/CA2618545C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA002618545A 1998-02-26 1999-02-23 Methode et appareil pour la detection et la caracterisation de fentes dans des buches Expired - Lifetime CA2618545C (fr)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US7609098P 1998-02-26 1998-02-26
US60/076,090 1998-02-26
US8201298P 1998-04-16 1998-04-16
US8201898P 1998-04-16 1998-04-16
US60/082,012 1998-04-16
US60/082,118 1998-04-16
US09/151,432 US6029522A (en) 1998-02-26 1998-09-11 Ultrasonic apparatus for characterizing wooden members
US09/151,432 1998-09-11
US09/196,674 US6092418A (en) 1998-04-16 1998-11-20 Method and apparatus for detecting and characterizing splits in logs
US09/196,674 1998-11-20
CA002321576A CA2321576C (fr) 1998-02-26 1999-02-23 Appareil ultrasonore pour caracteriser des elements en bois au moyen d'une mesure par distorsion d'onde

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002321576A Division CA2321576C (fr) 1998-02-26 1999-02-23 Appareil ultrasonore pour caracteriser des elements en bois au moyen d'une mesure par distorsion d'onde

Publications (2)

Publication Number Publication Date
CA2618545A1 CA2618545A1 (fr) 1999-09-02
CA2618545C true CA2618545C (fr) 2009-04-21

Family

ID=39430078

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002618545A Expired - Lifetime CA2618545C (fr) 1998-02-26 1999-02-23 Methode et appareil pour la detection et la caracterisation de fentes dans des buches

Country Status (1)

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CA (1) CA2618545C (fr)

Also Published As

Publication number Publication date
CA2618545A1 (fr) 1999-09-02

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