KR970020237U - Power device of wireless headphone transmitter - Google Patents
Power device of wireless headphone transmitterInfo
- Publication number
- KR970020237U KR970020237U KR2019950029137U KR19950029137U KR970020237U KR 970020237 U KR970020237 U KR 970020237U KR 2019950029137 U KR2019950029137 U KR 2019950029137U KR 19950029137 U KR19950029137 U KR 19950029137U KR 970020237 U KR970020237 U KR 970020237U
- Authority
- KR
- South Korea
- Prior art keywords
- power device
- wireless headphone
- headphone transmitter
- transmitter
- wireless
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Transmitters (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950029137U KR0123018Y1 (en) | 1995-10-17 | 1995-10-17 | An source apparatus of wireless headphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950029137U KR0123018Y1 (en) | 1995-10-17 | 1995-10-17 | An source apparatus of wireless headphone |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970020237U true KR970020237U (en) | 1997-05-26 |
KR0123018Y1 KR0123018Y1 (en) | 1998-10-01 |
Family
ID=19426209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019950029137U KR0123018Y1 (en) | 1995-10-17 | 1995-10-17 | An source apparatus of wireless headphone |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0123018Y1 (en) |
-
1995
- 1995-10-17 KR KR2019950029137U patent/KR0123018Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0123018Y1 (en) | 1998-10-01 |
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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 | ||
FPAY | Annual fee payment |
Payment date: 20070427 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |