KR890018431U - Speaker with flat diaphragm - Google Patents
Speaker with flat diaphragmInfo
- Publication number
- KR890018431U KR890018431U KR2019880002573U KR880002573U KR890018431U KR 890018431 U KR890018431 U KR 890018431U KR 2019880002573 U KR2019880002573 U KR 2019880002573U KR 880002573 U KR880002573 U KR 880002573U KR 890018431 U KR890018431 U KR 890018431U
- Authority
- KR
- South Korea
- Prior art keywords
- speaker
- flat diaphragm
- diaphragm
- flat
- 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
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- 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
- H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880002573U KR900007921Y1 (en) | 1988-02-29 | 1988-02-29 | A speaker with a plane diaphram |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880002573U KR900007921Y1 (en) | 1988-02-29 | 1988-02-29 | A speaker with a plane diaphram |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890018431U true KR890018431U (en) | 1989-09-09 |
KR900007921Y1 KR900007921Y1 (en) | 1990-08-25 |
Family
ID=19272784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880002573U KR900007921Y1 (en) | 1988-02-29 | 1988-02-29 | A speaker with a plane diaphram |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900007921Y1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030075757A (en) * | 2002-03-20 | 2003-09-26 | 박치순 | a heating and massage shoe-pad |
-
1988
- 1988-02-29 KR KR2019880002573U patent/KR900007921Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900007921Y1 (en) | 1990-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
O032 | Opposition [utility model]: request for opposition | ||
E701 | Decision to grant or registration of patent right | ||
O071 | Decision to grant registration after opposition [utility model]: decision to grant registration | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19961121 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |