KR910013577U - 다중 스피커 헤드폰 - Google Patents
다중 스피커 헤드폰Info
- Publication number
- KR910013577U KR910013577U KR2019890020474U KR890020474U KR910013577U KR 910013577 U KR910013577 U KR 910013577U KR 2019890020474 U KR2019890020474 U KR 2019890020474U KR 890020474 U KR890020474 U KR 890020474U KR 910013577 U KR910013577 U KR 910013577U
- Authority
- KR
- South Korea
- Prior art keywords
- multi speaker
- speaker headphones
- headphones
- speaker
- 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
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic Arrangements (AREA)
- Stereophonic System (AREA)
- Headphones And Earphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890020474U KR920002607Y1 (ko) | 1989-12-29 | 1989-12-29 | 다중 스피커 헤드폰 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890020474U KR920002607Y1 (ko) | 1989-12-29 | 1989-12-29 | 다중 스피커 헤드폰 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910013577U true KR910013577U (ko) | 1991-07-30 |
KR920002607Y1 KR920002607Y1 (ko) | 1992-04-25 |
Family
ID=19294514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890020474U KR920002607Y1 (ko) | 1989-12-29 | 1989-12-29 | 다중 스피커 헤드폰 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920002607Y1 (ko) |
-
1989
- 1989-12-29 KR KR2019890020474U patent/KR920002607Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920002607Y1 (ko) | 1992-04-25 |
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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: 20030328 Year of fee payment: 12 |
|
LAPS | Lapse due to unpaid annual fee |