KR970025328U
(en )
1997-06-20
Background music output circuit of audio equipment
KR970026194U
(en )
1997-06-20
Audio mute circuit
KR970047676U
(en )
1997-07-31
Output control circuit of sound equipment
KR970003503U
(en )
1997-01-24
Mute circuit of sound equipment using telephone
KR960035506U
(en )
1996-11-21
Scented Audio Equipment
KR970019988U
(en )
1997-05-26
Automatic voice output control circuit of sound equipment
KR950022191U
(en )
1995-07-28
Headphones capable of surround sound effects
KR970025403U
(en )
1997-06-20
Melody output device of sound equipment
NO951668L
(en )
1996-10-29
Operating calibration of listening equipment
KR970011002U
(en )
1997-03-29
Audio output device that maintains the same output level regardless of headphone type
KR930024245U
(en )
1993-11-27
Rear reverberation sound generation circuit of audio equipment
KR970019986U
(en )
1997-05-26
Audio circuit
KR950002060U
(en )
1995-01-04
Audio accompaniment output device of voice multiple accompaniment system
KR970019376U
(en )
1997-05-26
Dubbing of hi-fi audio signals
KR970025038U
(en )
1997-06-20
Demultiplexing Circuit of Acoustic Signal
KR970002922U
(en )
1997-01-24
Audio output control circuit of car audio
KR970011565U
(en )
1997-03-29
Sound generation circuit of monitor
SE9502959D0
(en )
1995-08-26
Ways of arranging audio generators
KR970063725U
(en )
1997-12-11
Speaker sound output structure of multimedia computer
KR970019991U
(en )
1997-05-26
Audio automatic sound balance circuit
KR970047489U
(en )
1997-07-31
Alarm sound generation circuit of switchboard
KR960006080U
(en )
1996-02-17
Microphone input control circuit of karaoke equipment
KR960018760U
(en )
1996-06-19
Audio output limiting circuit
KR960015761U
(en )
1996-05-17
Audio mute circuit
KR970045931U
(en )
1997-07-31
Alarm sound output circuit