KR860009095U - Single composite speaker - Google Patents
Single composite speakerInfo
- Publication number
- KR860009095U KR860009095U KR2019840014642U KR840014642U KR860009095U KR 860009095 U KR860009095 U KR 860009095U KR 2019840014642 U KR2019840014642 U KR 2019840014642U KR 840014642 U KR840014642 U KR 840014642U KR 860009095 U KR860009095 U KR 860009095U
- Authority
- KR
- South Korea
- Prior art keywords
- single composite
- composite speaker
- speaker
- composite
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019840014642U KR870000732Y1 (en) | 1984-12-29 | 1984-12-29 | A speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019840014642U KR870000732Y1 (en) | 1984-12-29 | 1984-12-29 | A speaker |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860009095U true KR860009095U (en) | 1986-07-31 |
KR870000732Y1 KR870000732Y1 (en) | 1987-02-25 |
Family
ID=70162181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019840014642U KR870000732Y1 (en) | 1984-12-29 | 1984-12-29 | A speaker |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR870000732Y1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012121533A2 (en) * | 2011-03-07 | 2012-09-13 | Kim Dong Wan | Composite speaker system |
KR101188921B1 (en) | 2010-03-08 | 2012-10-08 | 김동완 | Layered Sound Speaker System |
-
1984
- 1984-12-29 KR KR2019840014642U patent/KR870000732Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR870000732Y1 (en) | 1987-02-25 |
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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: 19910225 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |