DIGITAL AND ANALOG CO LTD has a total of 15 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, United States and Australia. Its main competitors in its focus markets basic communication technologies, audio-visual technology and telecommunications are WIMPENNY GERARD, NETCOM INC and SIGE SEMICONDUCTOR U S CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 10 | |
#2 | United States | 2 | |
#3 | Australia | 1 | |
#4 | China | 1 | |
#5 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Audio-visual technology | |
#3 | Telecommunications | |
#4 | Computer technology | |
#5 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Amplifiers | |
#2 | Resonators | |
#3 | Foundations and excavations | |
#4 | Loudspeakers and microphones | |
#5 | Amplification control | |
#6 | Electric digital data processing | |
#7 | Waveguides |
# | Name | Total Patents |
---|---|---|
#1 | Jung Jae Hun | 8 |
#2 | Cho Guk Chun | 5 |
#3 | Cho Goog-Chun | 4 |
#4 | Park Jong-Hu | 3 |
#5 | Cho Bo-Hyung | 3 |
#6 | Kim Chang-Gyun | 3 |
#7 | Jeong Jae-Hoon | 3 |
#8 | Lee Yeong Jae | 1 |
#9 | Cho Bo Hyeong | 1 |
#10 | Yang Jeong Gil | 1 |
Publication | Filing date | Title |
---|---|---|
KR20080057000A | Resistor attenuator by recursive method | |
KR20040096719A | Class-D power amplifier providing for removing excessive response phenomenon in returning to steady state from abnormal state and method thereof | |
KR20040094180A | Signal generating apparatus and signal generating method | |
KR20040081221A | Apparatus for Reducing Quantization Error by Using Sigma-Delta Modulation in Case of Duty Ratio's Increase in PWM Modulator | |
KR20030036363A | Digital graphic equalizer system and method of designing the system | |
KR20030066847A | Digital pwm input d class amplifier by pwm negative feedback | |
KR20010083814A | Apparatus for reducing noise in a class d amplifier | |
KR20010078432A | Amplification apparatus for sticking at personal computer slot | |
KR20020039481A | Audio output apparatus of digital amplifier | |
KR20000072376A | Class d acoustic amplifier applied dual negative feedback |