LNB (11.7 GHz ~ 12.25 GHz) for DBS reception
(Honorable Mention at 1990 Korea Electronics Industry Development
Association Award, Component Category)
Circular Polarizer (X-Band) using circular waveguide
OMT (Ortho Mode Transducer) for X Band
3 dB, 90¡Æ Hybrid Coupler for L Band
Diplexer for C and Ku Bands
Corrugated Feed Horn for C Band
Multi-Mode Feed Horn for Ku Band
Propagating Waveguide Slot Array Antenna
16-Way Power Divider using waveguide
Microwave and RF components; Ministry of Post and
Communication¡¯s Program to Increase International Competitiveness
Design and Manufacturing Technologies of Filters for Satellite
Communications; Ministry of the Commerce, Industries and Natural
Resources Development Program for Industrial Infrastructure
Highly Efficient HPT for Base-Stations for Wireless Communications;
Ministry of the Commerce, Industries and Natural Resources
Development Program for Industrial Infrastructure
Microwave Circulator / Isolator: Ministry of Information and
Communications Program for Improving Manufacturing Industry Competitiveness
High Gain Antennas; Ministry of Information and Communications
Program for Development of Core Components for Wireless Communications
Power Amplifier; Ministry of Information and Communications
Program for Development of Core Components for Wireless Communications
Cellular Repeater System; Ministry of the Commerce and Industries
Development Program for Industrial Infrastructure
Studied Models for Antenna Installation to Improve Signal Quality of
Wireless Paging System; May 1994, Korea Mobile Telecom (SK Telecom)
Studied Dynamics Influence Dynamics of Steel and F.R.P. Antenna
Towers on EM Wave Characteristics; Nov. 1994, Korea Mobile Telecom
(SK Telecom)
Study and Evaluation of Electro Magnetic Interference (EMI) by
Metropolitan Electrical Railroad System; Dec. 1994, Electronics and
Telecommunications Research Institute (ETRI)
Study of Measures to High-Speed Data Transmission by ATM System
Measurement and Analysis of EM Wave Environment Near Base
Stations for Wireless Communications; Apr. 1995, Korea Mobile
Telecom (SK Telecom)
Situational Study of EM Wave Environment Near Base Stations for
Wireless Communications; 1996, Shinsegi Telecom
Study of Hybrid Mode Solutions of Planar Waveguide Model to
Calculate Dissipation Characteristics of Microstrip Circuits; Masters
Degree Dissertation
Calculation of Dissipation Characteristics of Microstrip Circuits Using
Hybrid Mode Solutions of Planar Waveguide Model; Korea
Communications Society Journal Volume 12 Issue 1, pp. 36 -49



Honorable Mention, Korea Association for Development of Electronics
Industries New Products Contest (1990)
Award of Excellence, , Korea Association for Development of
Electronics Industries New Products Contest (1991)
Certificate of Appreciation for the Best Vendors, AT & T (1993)
Minister of the Commerce and Industries Award, Industrial
Technologies Product Development Contest (1995)
Minister of Information and Communications Award (1995)
IR52 Jang Young Sil Award for 24 Channel Combiner for Wireless
Paging System (1996)
Special Award for New Management, Samsung Electronics¡¯ Best
Affiliated Companies (1996)
Minister of the Commerce and Industries Award, Individual Category
Electronics Component Product Development Contest (1997)
Grand Prize for Technical Research Laboratory for Achievement in
Technical Research, Science and Technology Agency Institute of
Technical Research (1997)
Bronze Medal, Institute of Production Technologies Precision
Technology Contest (1997)
$ 10 Million Export Award (1997)
Suk Tap Medal of Industries (1997)



Patents and Practical Novel Use (24 total as of March 1, 2000)

Antenna housing of a portable transceiver (US Patent No. 5526005)
An antenna housing for a portable transceiver (U.K. patent No. 2291270)
Capacitive coupled extendable antenna (US Patent No.5661491)
Antenna system having a choke reflector for minimizing sideward radiation
(US Patent No. 5710569)
Antenna system having a choke reflector for minimizing
sideward radiation (Europe Patent No. 730319)
Capacitive coupled extendable antenna (Europe Patent No. 734092)
Capacitive coupled extendable antenna for portable
communication device (US Patent No. 5969684)
Collinear array antenna which uses self-matching radiation elements
(Korea Patent No. 148027)
Collinear array antenna which uses self-matching omni-directional sleeve
(Korea Patent 162889)
Antenna with Minimized Side Radiation Energy (Korea Patent No. 185962)
Capacitive Coupled Retractable Antenna (Korea Patent No. 162679)
Wireless phone which uses flip open and close (Korea Patent 211553)
Lightning Arrestor for wireless communication base station
(Korea Patent 254050)
Means to extend wireless phone's antenna (PNU (Practical Novel Use) 68028)
Structure of antennas for wireless communication devices (PNU 91754)
Combiners for base stations for wireless communication (PNU 98512)
Cavity Filter (PNU 98513)
Omni-directional array antenna (PNU 140856)
Coaxial Bandpass Filter (PNU 153044)
Combiner which uses High-Q Dielectric Resonator Filter (PNU 153043)
Dielectric Resonator Cavity Filter (PNU 153042)
Self-matched radiation elements for directional antennas (PNU 140857)
Wireless Hands-Free Device (PNU 149506)
Hands-Free Device (PNU 149507)

Others: 6 Copyrights, 2 Trademarks, and 25 Programs


Phase transformation beam-tilt type omni-directional antenna
for wireless phones
Bandpass Filter for VHF and UHF (Combine and Cavity types)
Coaxial Bandpass Filter Technology
Directional Antennas having a choke reflector
Cavity Filter technology which uses High-Q Dielectric Resonator




Dec. 1994 Attained ISO 9002 Certification
Oct. 1998 Received ISO 9001 Certification
 May 2000 Attained ISO 14001 Certification
Copyright (C) 2002 by ACE Technology.All rights reserved