Chang-Soo Choi

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Yongin, KR

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Patents Grantslast 30 patents

Information Patent Grant
Vector modulator using time delay and phase shifter
- Patent number 8,400,229
- Issue date Mar 19, 2013
- LS Industrial Systems Co., Ltd.
- Heon soo Choi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
VECTOR MODULATOR USING TIME DELAY AND PHASE SHIFTER
- Publication number 20120229227
- Publication date Sep 13, 2012
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon Soo Choi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR DETECTING OFFSET SIGNAL OF TRANSMISSION LE...
- Publication number 20110216815
- Publication date Sep 8, 2011
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon Soo CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bundle type fluorescent lamp adaptable for low temperature atmosphere
- Publication number 20070285016
- Publication date Dec 13, 2007
- June-Gill Kang
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...