UBI SOUND CO LTD has a total of 12 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets basic communication technologies, audio-visual technology and digital networks are LARSEN CHRISTIAN, JM ELECTRONICS LTD LLC and ST MICROELECTRONICS RES DEV SHENZHEN CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 8 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Audio-visual technology | |
#3 | Digital networks | |
#4 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Amplifiers | |
#2 | Pulse technique | |
#3 | Loudspeakers and microphones | |
#4 | Amplification control | |
#5 | Digital information transmission | |
#6 | AC and DC conversion devices | |
#7 | Stereophonic systems |
# | Name | Total Patents |
---|---|---|
#1 | Cho Yong Hun | 12 |
#2 | Park Sang Jin | 10 |
#3 | Kim Yun Do | 4 |
#4 | Shin Dong Hyek | 1 |
Publication | Filing date | Title |
---|---|---|
KR101942044B1 | Apparatus and method for processing signal of dynamic boost audio | |
KR20190134434A | Test device | |
KR101683823B1 | Device for controllng audio output of multi channel | |
KR20090014722A | Apparatus for automatic gain control of audio processor and method using the same | |
KR20080078936A | Switching amplifier driver for reducing the start and stop noise and audio amplifier including the driver | |
KR100758202B1 | Start and stop noise reduction device of audio amplifier and the reduction method of start and stop noise | |
KR100626987B1 | A headphone driver and the method for driving the driver | |
KR100565103B1 | Method of pulse width modulation in a switching amplifier, and apparatus thereof |