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
- 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.)
- Granted
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 Expired 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 Expired
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 | ||
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19850529 |
|
| UA0201 | Request for examination |
Patent event date: 19850529 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
| UG1501 | Laying open of application | ||
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19870721 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19871029 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19871119 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19871119 |
|
| UR1001 | Payment of annual fee |
Payment date: 19900723 Start annual number: 4 End annual number: 4 |
|
| FPAY | Annual fee payment |
Payment date: 19910820 Year of fee payment: 5 |
|
| UR1001 | Payment of annual fee |
Payment date: 19910820 Start annual number: 5 End annual number: 5 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
Termination date: 19941008 Termination category: Default of registration fee |