Brief history of R & D
| Year 2001 | Mar. | Power Supply Unit(PSU) for SVR |
|---|---|---|
| Aug. | PSU for DVD(80W) | |
| Sep. | AC/DC PSU for Fiber-Optic MUX | |
| Oct. | Inverter for EL-LAMP | |
| Nov. | PSU for Transformer meter reader(25W) PSU for Security terminal(30W) PSU for AC/DC, DC/AC repeator for china (SMPS for repeator (20W,10W,5W,2W): PFC circuit internal |
| Year 2002. | Jan. | PSU for HDTV(180W) |
|---|---|---|
| Mar. | PSU for Medium size repeator for KTICOM | |
| Apr. | PSU for RF(20W,10W,5W,2W) for repeator | |
| May. | PSU for remote operational security devise for KTF | |
| Jun. | PSU for HDTV(200W) | |
| Jul. | PSU for SMPS AC/DC(50W) IMT2000 repeator PSU for micro wave repeator (15W) for china market PSU for small repeator (30W) for china market PSU for game console (80W AC24V) for Japan market DC/DC Converter(15W DC12V) for scanning detector sensor |
|
| Nov. | PSU(900W) for auto meter reader for KEPCO AC/DC PSU(800W) for relay for KTF-NOTECH |
|
| Dec. | PSU for DC/DC Converter(30W DC27V) for WCDMA PSU for KTICOM races L & M class relay |
| Year 2003 | Jan. | AC/DC PSU (250KEA) for micro relay(15W) for KTF |
|---|---|---|
| Mar. | AC/DC PSU for Gap-Filler for satelite wave receiver
repeator for SK telecom.
Indoor PSU(300KEA) for KTF SMPS ADAPTOR 1 MODEL for VOIP(12V5A) |
|
| Apr. | DC/DC MODULE 200W Class for measuring instrument for WCDMA for Inowireless. | |
| Jun. | SMPS(150W Class) for small repeator for KTF PSU( low voltage 3.3V) for VDSL |
|
| Jul. | Power Stabilizer for NOTCH Relay for LG telecom. | |
| Oct. | Power stabilizer for security device for KT LINKUS TELCAP. | |
| Dec. | SMPS(200W Class) for Medical appliances(Body fat analyzer) |
| Year 2004. | Jan. | SMPS(200W) CCTV camera driving unit for Samsung Techwin Power controller system for KTF Daejeon. |
|---|---|---|
| Mar. | SMPS(AC/DC,DC/DC) for fiber-optic repeator for India market. SMPS(200W) for electric sign board for Daegu subway. |
|
| May. | PSU for TETRA SYSTEM for Busan Subway | |
| Jul. | PSU for Game devices for USA market | |
| Oct. | PSU(250W) for TAiwan market PSU(150W) for Philippines market |
|
| Nov. | SMPS for Mobile phone Burn in equipmwnt for LG PSU(220W) for printer for LG |
| Year 2005. | Jan. | Break System Power(450W) for HyunDai Motor. |
|---|---|---|
| Feb. | Rectifier Power System(1.5KW) for TETRA System at Incheon Air Port. | |
| Mar. | Variable PSU for Samsung LCD BLU inspection equipment. | |
| Apr. | PSU for portable internet relay for LG telecom. | |
| Oct. | SMPS(Master, Slave) for TRS at Daegu Subway. | |
| Dec. | Internal PFC SMPS for EPCS for LG telecom. |
| Year 2006. | Apr. | PSU for POE |
|---|---|---|
| Jun. | PSU for bidet for Dongyang Magic | |
| Jul. | DC/DC Converter for Metal Cell (USA defense ministry test ) | |
| Sep. | PSU(700W) for thermo-element. |
| Year 2007. | Mar. | PSU system for constant temperature Pouch. |
|---|---|---|
| Jun. | DC/DC Converter for microwave repeator for SK telecom. | |
| Jul. | High voltage generation Inverter for video-Amplifier Tube for NDS(National Defense Standard) |
| Year 2008. | Jan. | Small PSU for home network . |
|---|---|---|
| Apr. | PSU(600W) for Karaoke Equipment. | |
| May. | PSU(520W) for Fire Fighting System DC/DC Converter for SKT WIBRO. |
|
| Sep. | LED fluorescent light(20W) for 1 lamp & 2 lamps. | |
| Nov. | LED Illumination light(24V 100W) for plane surface. |
| Year 2009. | Jan. | PSU for LED Illumination light(15W) for Lotte Shopping. |
|---|---|---|
| Feb. | PSU(24V 200W) for semiconductor equipment. DC/DC Converter(20W) for DVR for inside of BUS. Tracking Power(15W) for Samsung DMC. |
| Year 2011. | May. | Tracking Power(25W) for Samsung DMC. |
|---|---|---|
| Jun. | Tracking Power(15W, 25W) for Samsung DMC. | |
| Jul. | DC/DC Converter(60W) for Samsung advanced Institute of Technology. | |
| Aug. | PSU(100W) for LED Street Lighting system. | |
| Sep. | Inverter for EL-LAMP Tracking Power(45W) for Samsung AIT |
|
| Year 2012. | Oct. | Tracking Power(250W) for Samsung AIT. 2CH Traking Power(45W) for Samsung AIT. |
| Dec. | Tracking Power(25W) for Samsung DMC. PWM Controller for BIO LED Fluorescent Stand. |
| Year 2012. | Feb. | Magnetron Power |
|---|---|---|
| Mar. | PFC MODULE(6.6KW) for Samsung AIT DC/DC Converter for fuel saver. Inverter for light line. |
|
| Apr. | Resonant Power(300W) for Amplifier for karaoke | |
| May. | Tracking Power(110W/180W0 for Samsung AIT Power System for fire detector for SIMENS. Battery Charger for COCAM. |
|
| Jul. | AC/DC Converter for Charger for electric battery car. | |
| Oct. | Tracking Power(60W) for wireless eletricity transmitter for Samsung AIT. |
| Year 2013. | May. | PSU(400W) for broadcasting equipment for Inter-M Japan. |
|---|---|---|
| Jun. | Power(13W) for LED illuminating Bulb for Export. | |
| Aug. | Power(190W) for LED Street Light. Internal Power(18W) for LED Fluorescent light for Japan market. |
|
| Dec. | RGB Controller for LED illuminating light. |
| Year 2014. | Feb. | LED light for iside elevator. |
|---|---|---|
| Mar. | Power & Controller for LED light for Mirror. Controller for portable hydrogen water purifier. |
|
| May. | Converter (DC/DC 3KW) for pan-controller for KTX. | |
| Jun. | UV Controller for LCD Panel. | |
| Oct. | Power(36W) for LED Fluorescent light for Guam Market. |
| Year 2015. | Jan. | Power(150W) LED Street Light. |
|---|---|---|
| Apr. | High Efficiency Power(50W) for LED indoor light , Achieved Korea Certification. | |
| Aug. | Emergency Power Controller for Metal Cell. | |
| Sep. | No-Flicker type Power for indoor light, Achieved Korea Certification. | |
| Oct. | Controller for filter exchange indicator for hydrogen water purifier. | |
| Nov. | . Variable Power for LED security light. |
| Year 2016. | Jan. | Internal Power for LED fluorescent light for Japan Market. |
|---|---|---|
| May. | Battery Monitoring Panel for Metal Cell. | |
| Dec. | Coil Conrol Circuit for Motor Car. RGB Dimming Bulb(15W) |
| Year 2017. | Apr. | Leaf type LED lighting module(45W) |
|---|---|---|
| May. | LED lightinh Converter for 2CH
WIFI dimming. Power for remote meter reader for 3 phase PLC for KEPCO |
|
| Aug. | Constant current charger for super capacitor. | |
| Sep. | Dimming Power for Micro-wave Sensor, and Achieved Korea Certification. | |
| Dec. | 2CH USB charger , Achieved certification. |
| Year 2018. | Mar. | Multi-Power Charger for AI-Robot. |
|---|---|---|
| Jul. | Power(120W) for Air Purifier(including Motor driver) | |
| Aug. | UV-C LED Module ( self commercialized) |
| Year 2019. | Feb. | Plant light(112W) for USA Export. |
|---|---|---|
| Apr. | LED light(15W) using SPFDT(Smart Power Failure Detection Technology) | |
| Jul. | LED light(7W class) for advertizing Board Small Search Light System(5W) |
|
| Oct. | Micro-Wave(10.525Ghz) sensor light(15W) | |
| Dec. | Charger for AC380V, DC27V, 20A 600W Class. |
| Year 2020. | Feb. | AC Explosion proof Light(120W) |
|---|---|---|
| Jun. | Completed Developing S.P.F.D.T SOLAR Charger (600W) |
|
| Oct. | Wireless Switch(AC 600W) Micro-wave sensor light (S.P.F.D.T. 15W) |