JPH0119101B2 - - Google Patents
Info
- Publication number
- JPH0119101B2 JPH0119101B2 JP56116643A JP11664381A JPH0119101B2 JP H0119101 B2 JPH0119101 B2 JP H0119101B2 JP 56116643 A JP56116643 A JP 56116643A JP 11664381 A JP11664381 A JP 11664381A JP H0119101 B2 JPH0119101 B2 JP H0119101B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- signal
- circuit
- period
- detects
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Wood Science & Technology (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)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11664381A JPS5818165A (ja) | 1981-07-24 | 1981-07-24 | 木柱腐朽試験器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11664381A JPS5818165A (ja) | 1981-07-24 | 1981-07-24 | 木柱腐朽試験器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5818165A JPS5818165A (ja) | 1983-02-02 |
| JPH0119101B2 true JPH0119101B2 (ru) | 1989-04-10 |
Family
ID=14692282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11664381A Granted JPS5818165A (ja) | 1981-07-24 | 1981-07-24 | 木柱腐朽試験器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5818165A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501841C2 (de) * | 1985-01-22 | 1994-04-14 | Kamm Willibald F G Dipl Ing | Verfahren und Vorrichtung zur Feststellung des inneren Zustandes von Bäumen oder Holzbauteilen |
| DE19617307B4 (de) * | 1996-04-30 | 2004-07-08 | Wenzel, Jürgen-Michael, Dr.-Ing. | Holzkernbohrer und Verfahren zur Prüfung des inneren Zustandes von Holzwerkstoffen und Bäumen |
| EP2028473B1 (de) * | 2007-08-20 | 2012-05-02 | BEA Electrics Energietechnik GmbH | Verfahren zur Untersuchung und Beurteilung der Standfestigkeit von Holzmasten |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579736Y2 (ru) * | 1976-11-19 | 1982-02-24 |
-
1981
- 1981-07-24 JP JP11664381A patent/JPS5818165A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5818165A (ja) | 1983-02-02 |
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