KR860015554U - 음향트랜스듀서 - Google Patents
음향트랜스듀서Info
- Publication number
- KR860015554U KR860015554U KR2019850006359U KR850006359U KR860015554U KR 860015554 U KR860015554 U KR 860015554U KR 2019850006359 U KR2019850006359 U KR 2019850006359U KR 850006359 U KR850006359 U KR 850006359U KR 860015554 U KR860015554 U KR 860015554U
- Authority
- KR
- South Korea
- Prior art keywords
- acoustic transducer
- acoustic
- transducer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850006359U KR870002810Y1 (ko) | 1985-05-29 | 1985-05-29 | 음향트랜스듀서 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850006359U KR870002810Y1 (ko) | 1985-05-29 | 1985-05-29 | 음향트랜스듀서 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860015554U true KR860015554U (ko) | 1986-12-30 |
KR870002810Y1 KR870002810Y1 (ko) | 1987-08-20 |
Family
ID=19242520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019850006359U KR870002810Y1 (ko) | 1985-05-29 | 1985-05-29 | 음향트랜스듀서 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR870002810Y1 (ko) |
-
1985
- 1985-05-29 KR KR2019850006359U patent/KR870002810Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR870002810Y1 (ko) | 1987-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19910820 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |