EP1057011A4 - Ultraschallgerät zur karakterisierung von holzteilen durch messung von wellenverformung - Google Patents

Ultraschallgerät zur karakterisierung von holzteilen durch messung von wellenverformung

Info

Publication number
EP1057011A4
EP1057011A4 EP99908387A EP99908387A EP1057011A4 EP 1057011 A4 EP1057011 A4 EP 1057011A4 EP 99908387 A EP99908387 A EP 99908387A EP 99908387 A EP99908387 A EP 99908387A EP 1057011 A4 EP1057011 A4 EP 1057011A4
Authority
EP
European Patent Office
Prior art keywords
characterizing
measurement
ultrasonic apparatus
wave distortion
wooden members
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.)
Withdrawn
Application number
EP99908387A
Other languages
English (en)
French (fr)
Other versions
EP1057011A1 (de
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 US09/197,165 external-priority patent/US6295907B1/en
Priority claimed from US09/196,674 external-priority patent/US6092418A/en
Application filed by USNR LLC filed Critical USNR LLC
Publication of EP1057011A1 publication Critical patent/EP1057011A1/de
Publication of EP1057011A4 publication Critical patent/EP1057011A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2493—Wheel shaped probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0238—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/103—Number of transducers one emitter, two or more receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/105—Number of transducers two or more emitters, two or more receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
EP99908387A 1998-02-26 1999-02-23 Ultraschallgerät zur karakterisierung von holzteilen durch messung von wellenverformung Withdrawn EP1057011A4 (de)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US7609098P 1998-02-26 1998-02-26
US76090P 1998-02-26
US8201298P 1998-04-16 1998-04-16
US8201898P 1998-04-16 1998-04-16
US82018P 1998-04-16
US82012P 1998-04-16
US09/151,432 US6029522A (en) 1998-02-26 1998-09-11 Ultrasonic apparatus for characterizing wooden members
US09/197,165 US6295907B1 (en) 1998-04-16 1998-11-20 Method and apparatus for on-line monitoring of log sawing
US196674 1998-11-20
US09/196,674 US6092418A (en) 1998-04-16 1998-11-20 Method and apparatus for detecting and characterizing splits in logs
US197165 1998-11-20
PCT/US1999/003919 WO1999044049A1 (en) 1998-02-26 1999-02-23 Ultrasonic apparatus for characterizing wooden members using a measurement of wave distortion
US151432 2002-05-20

Publications (2)

Publication Number Publication Date
EP1057011A1 EP1057011A1 (de) 2000-12-06
EP1057011A4 true EP1057011A4 (de) 2003-08-13

Family

ID=27557134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99908387A Withdrawn EP1057011A4 (de) 1998-02-26 1999-02-23 Ultraschallgerät zur karakterisierung von holzteilen durch messung von wellenverformung

Country Status (6)

Country Link
EP (1) EP1057011A4 (de)
AU (1) AU754908B2 (de)
CA (1) CA2321576C (de)
NO (1) NO20004275L (de)
NZ (1) NZ506565A (de)
WO (1) WO1999044049A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118013238B (zh) * 2024-04-09 2024-06-21 西安思坦仪器股份有限公司 油水井智能注采外置超声流量测量装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013257A (ja) * 1983-07-04 1985-01-23 Fujikura Ltd 超音波診断方法
US5097881A (en) * 1991-04-25 1992-03-24 Blount, Inc. Ultrasonic log grading
US5760308A (en) * 1994-09-07 1998-06-02 The Regents Of The University Of California Method and apparatus for non-destructively detecting hidden defects caused by bio-deterioration in living trees and round wood materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024091A (en) * 1986-03-25 1991-06-18 Washington State University Research Foundation, Inc. Non-destructive evaluation of structural members
GB8622731D0 (en) * 1986-09-20 1986-10-29 Bio Kil Chemicals Ltd Testing timbers
US5237870A (en) * 1991-09-20 1993-08-24 Metriguard Inc. Stress wave method and apparatus for estimating the structural quality of finger joints

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013257A (ja) * 1983-07-04 1985-01-23 Fujikura Ltd 超音波診断方法
US5097881A (en) * 1991-04-25 1992-03-24 Blount, Inc. Ultrasonic log grading
US5760308A (en) * 1994-09-07 1998-06-02 The Regents Of The University Of California Method and apparatus for non-destructively detecting hidden defects caused by bio-deterioration in living trees and round wood materials

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 129 (P - 361) 5 June 1985 (1985-06-05) *
SCHMOLDT D L, DUKE JR. J C, MORRONE M, AND JENNINGS C M: "Application of ultrasound nondestructive evaluation to grading pallet parts.", PROCEEDINGS OF THE 9TH INTERNATIONAL SYMPOSIUM ON NONDESTRUCTIVE TESTING OF WOOD, 22 September 1993 (1993-09-22) - 24 September 1993 (1993-09-24), Wisconsin, USA, pages 183 - 190, XP002243913 *
See also references of WO9944049A1 *

Also Published As

Publication number Publication date
NZ506565A (en) 2002-10-25
EP1057011A1 (de) 2000-12-06
NO20004275L (no) 2000-10-18
AU2783299A (en) 1999-09-15
CA2321576A1 (en) 1999-09-02
AU754908B2 (en) 2002-11-28
CA2321576C (en) 2007-12-04
WO1999044049A1 (en) 1999-09-02
NO20004275D0 (no) 2000-08-25

Similar Documents

Publication Publication Date Title
EP1173100A4 (de) Vorrichtung und verfahren zum abstimmen von ultraschallwandlern
EP1060728A4 (de) Bestrahlungsvorrichtung mit ultraschallwellen
FI952826A0 (fi) Menetelmä ja laite vastaanottavan antennin suuntaamiseksi kuultavaa ääntä käyttäen
DE69835843D1 (de) Pulswellen-Untersuchungsgerät
EE9800196A (et) Meetod ja seade intravaskulaarse ultraheliga saadud kujutise parendamiseks
AU3566099A (en) Apparatus and methods for performing acoustical measurements
PL343767A1 (en) Method and apparatus for locating bending wave transducer means
IL145942A0 (en) Method and apparatus for measuring cardiac flow output
AU8682598A (en) Ultrasonic imaging using fundamental frequency
EP0709999A3 (de) Verfahren und Einrichtung zur mehrkanaligen Kompensation eines akustischen Echos
PL346418A1 (en) Panel form acoustic apparatus using bending waves modes
AU2002335636A1 (en) Method and apparatus for generating specific frequency response for ultrasound testing
AU2001281313A1 (en) Apparatus and method for analysis of guided ultrasonic waves
AU1196299A (en) Apparatus for the concurrent ultrasonic inspection of partially completed welds
GB9413677D0 (en) Method of and apparatus for calibrating rotary position transducers
FI955383A (fi) Menetelmä ja järjestely äänen toistamista varten poistojen aikana
AU7960900A (en) Nondestructive inspection apparatus
BR9704237A (pt) Aparelho para medir a intensidade de ondas ultrasónicas
EP1092124A4 (de) Verfahren und gerät für ultraschall-laseruntersuchungen
AU7531098A (en) Method and apparatus for acoustic cleaning
NO20002111D0 (no) FremgangsmÕte og anordning for akkustisk ekkokansellering i stereo
EP1057011A4 (de) Ultraschallgerät zur karakterisierung von holzteilen durch messung von wellenverformung
EP0955726A4 (de) Akustische oberflächenwellenvorrichtung
FI19991977A (fi) Menetelmä ja laite signaalin tuottamiseksi
HK1038836A1 (en) Small-gap surface acoustic wave transducer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20000905

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ROSS, ROBERT, J.

Inventor name: SCHAFER, MARK, E.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PERCEPTRON, INC.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: U.S. NATURAL RESOURCES, INC.

RIC1 Information provided on ipc code assigned before grant

Ipc: 7G 01N 33/46 B

Ipc: 7G 01N 29/10 B

Ipc: 7G 01N 29/06 B

Ipc: 7G 01N 29/04 A

A4 Supplementary search report drawn up and despatched

Effective date: 20030627

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20030807