DK348480A - APPLICATION FOR USE IN ULTRAS SOUND - Google Patents
APPLICATION FOR USE IN ULTRAS SOUNDInfo
- Publication number
- DK348480A DK348480A DK348480A DK348480A DK348480A DK 348480 A DK348480 A DK 348480A DK 348480 A DK348480 A DK 348480A DK 348480 A DK348480 A DK 348480A DK 348480 A DK348480 A DK 348480A
- Authority
- DK
- Denmark
- Prior art keywords
- sound
- sound head
- head
- light beams
- light
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
In an ultrasound investigation apparatus, which makes use of an angular sound head 4, which can be moved and turned in a free two-dimensional movement over the surface 3 of a material 1, means are required to determine the position of the sound emission point 8 of the sound head and the direction of the projection 7 of the sound path 5 on the surface of the material in order to use this to calculate the position of a point of reflection 2 in the interior of the material. These means consist of at least one light source 17 arranged on the sound head to emit at least three narrow light beams 18, 19, 20 with fixed mutual angles 21, 22 and fixed directions in relation to the sound head and at least one rectilinear line 23 of light-sensitive elements, which are struck by the light beams. In this way, the position and direction of the sound head can be determined with great precision, even if the sound head is moved quickly over the surface of the material. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK348480A DK145649C (en) | 1980-08-12 | 1980-08-12 | APPLICATION FOR USE IN ULTRAS SOUND |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK348480A DK145649C (en) | 1980-08-12 | 1980-08-12 | APPLICATION FOR USE IN ULTRAS SOUND |
DK348480 | 1980-08-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK348480A true DK348480A (en) | 1982-02-13 |
DK145649B DK145649B (en) | 1983-01-10 |
DK145649C DK145649C (en) | 1983-06-06 |
Family
ID=8123421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK348480A DK145649C (en) | 1980-08-12 | 1980-08-12 | APPLICATION FOR USE IN ULTRAS SOUND |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK145649C (en) |
-
1980
- 1980-08-12 DK DK348480A patent/DK145649C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK145649B (en) | 1983-01-10 |
DK145649C (en) | 1983-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |