KR890022177U - Speaker's Shield Case - Google Patents
Speaker's Shield CaseInfo
- Publication number
- KR890022177U KR890022177U KR2019880006257U KR880006257U KR890022177U KR 890022177 U KR890022177 U KR 890022177U KR 2019880006257 U KR2019880006257 U KR 2019880006257U KR 880006257 U KR880006257 U KR 880006257U KR 890022177 U KR890022177 U KR 890022177U
- Authority
- KR
- South Korea
- Prior art keywords
- speaker
- shield case
- shield
- case
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880006257U KR910001473Y1 (en) | 1988-04-30 | 1988-04-30 | Speaker shield case |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880006257U KR910001473Y1 (en) | 1988-04-30 | 1988-04-30 | Speaker shield case |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890022177U true KR890022177U (en) | 1989-11-03 |
KR910001473Y1 KR910001473Y1 (en) | 1991-03-04 |
Family
ID=19274714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880006257U KR910001473Y1 (en) | 1988-04-30 | 1988-04-30 | Speaker shield case |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910001473Y1 (en) |
-
1988
- 1988-04-30 KR KR2019880006257U patent/KR910001473Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910001473Y1 (en) | 1991-03-04 |
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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 | ||
LAPS | Lapse due to unpaid annual fee |