RU2002117079A - ELECTROMAGNETIC ACOUSTIC CONVERTER - Google Patents
ELECTROMAGNETIC ACOUSTIC CONVERTERInfo
- Publication number
- RU2002117079A RU2002117079A RU2002117079/28A RU2002117079A RU2002117079A RU 2002117079 A RU2002117079 A RU 2002117079A RU 2002117079/28 A RU2002117079/28 A RU 2002117079/28A RU 2002117079 A RU2002117079 A RU 2002117079A RU 2002117079 A RU2002117079 A RU 2002117079A
- Authority
- RU
- Russia
- Prior art keywords
- concentrator
- inductor
- coil
- electromagnetic
- face
- Prior art date
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2002117079/28A RU2223487C1 (en) | 2002-06-28 | 2002-06-28 | Electromagnetic-acoustic converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2002117079/28A RU2223487C1 (en) | 2002-06-28 | 2002-06-28 | Electromagnetic-acoustic converter |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2223487C1 RU2223487C1 (en) | 2004-02-10 |
RU2002117079A true RU2002117079A (en) | 2004-03-20 |
Family
ID=32172923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2002117079/28A RU2223487C1 (en) | 2002-06-28 | 2002-06-28 | Electromagnetic-acoustic converter |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2223487C1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2348927C1 (en) * | 2007-05-24 | 2009-03-10 | Андрей Васильевич Кириков | Electro-magnetic acoustic transformer |
RU2762521C1 (en) * | 2021-08-04 | 2021-12-21 | Закрытое акционерное общество «Ультракрафт» | Device for non-destructive testing of rolled metal |
-
2002
- 2002-06-28 RU RU2002117079/28A patent/RU2223487C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2223487C1 (en) | 2004-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC4A | Invention patent assignment |
Effective date: 20070125 |
|
PC4A | Invention patent assignment |
Effective date: 20080828 |
|
QB4A | Licence on use of patent |
Effective date: 20090810 |
|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20130629 |