KR880007221U - 압전형 필름 스피커 - Google Patents
압전형 필름 스피커Info
- Publication number
- KR880007221U KR880007221U KR2019860014342U KR860014342U KR880007221U KR 880007221 U KR880007221 U KR 880007221U KR 2019860014342 U KR2019860014342 U KR 2019860014342U KR 860014342 U KR860014342 U KR 860014342U KR 880007221 U KR880007221 U KR 880007221U
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric film
- film speaker
- speaker
- piezoelectric
- film
- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860014342U KR900003307Y1 (ko) | 1986-09-16 | 1986-09-16 | 압전형 필름 스피커 |
US07/097,628 US4820952A (en) | 1986-09-16 | 1987-09-16 | Film speaker using a piezo-electric element |
JP1987140140U JPH0416558Y2 (ko) | 1986-09-16 | 1987-09-16 | |
DE19873731132 DE3731132A1 (de) | 1986-09-16 | 1987-09-16 | Filmmembran-lautsprecher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860014342U KR900003307Y1 (ko) | 1986-09-16 | 1986-09-16 | 압전형 필름 스피커 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880007221U true KR880007221U (ko) | 1988-05-31 |
KR900003307Y1 KR900003307Y1 (ko) | 1990-04-20 |
Family
ID=19255754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860014342U KR900003307Y1 (ko) | 1986-09-16 | 1986-09-16 | 압전형 필름 스피커 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900003307Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100851036B1 (ko) * | 2006-05-08 | 2008-08-12 | (주)필스 | 필름스피커 |
-
1986
- 1986-09-16 KR KR2019860014342U patent/KR900003307Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100851036B1 (ko) * | 2006-05-08 | 2008-08-12 | (주)필스 | 필름스피커 |
Also Published As
Publication number | Publication date |
---|---|
KR900003307Y1 (ko) | 1990-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20010330 Year of fee payment: 12 |
|
EXPY | Expiration of term |