Browse "EE-Patent(특허)" by Author Lee, Chang-Hee

Showing results 1 to 17 of 17

1
Apparatus and method for measuring optical signal-to-noise ratio

Lee, Chang-Hee; Shin, Sang-Yung; Chu, Kwang Uk

2
Apparatus and method for monitoring the qualities of optical signal using clock amplitude

Lee, Chang-Hee; Chung, Yun-Chur; Shin, Sang-Young; Lee, Jong-Nam, 2002-12-31

3
Automatic retrieval of wavelength-division multiplexed ring networks

Lee, Chang-Hee; Kim, Hyun Deok; Shin, Jeong Hun

4
Dynamically tunable optical amplifier and fiber optic light source

Kim, Byoung-Yoon; Lee, Chang-Hee; Yun, Seok-Hyun; Kim, Hyo-Sang; Baik, Jin-Serk; Park, Kun-Youl; Sorin, Wayne V., 2004-04-27

5
Method and device for reducing and compensating transmission loss of passive optical network of WDM

Lee, Chang-Hee; Chu, Gwang Uk; O, Tae Won

6
Multicast-capable optical cross-connect with layered modularity

Lee, Chang-Hee; Chung, Yun-Chur; Kim, Hyun-Deok, 2003-03-25

7
MULTIPLE STAR WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORKS USING A WAVELENGTH ASSIGNMENT METHOD

Lee, Chang-Hee; LEE, Sang-Mook; MUN, Sil-Gu, 2013-05-22

8
Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method

Lee, Chang-Hee; Lee, Sang-Mook; Mun, Sil-Gu

9
Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method

Lee, Chang-Hee; Lee, Sang-Mook; Mun, Sil-Gu

10
Receiver having an apparatus for varying decision threshold level and an optical transmission system having the same

Lee, Chang-Hee; Mun, Sil-Gu, 2011-04-05

11
Receiver having an apparatus for varying decision threshold level and an optical transmission system having the same

Lee, Chang-Hee; Mun, Sil-gu

12
Simple bidirectional add/drop amplifier module based on a single multiplexer

Lee, Chang-Hee; Chung, Yun-Chur; Kim, Chul-Han, 2001-02-13

13
WAVELENGTH DIVISION MULTIPLEXED-PASSIVE OPTICAL NETWORK CAPABLE OF HIGH-SPEED TRANSMISSION OF AN OPTICAL SIGNAL BY USING MODULATION FORMAT HAVING HIGH SPECTRAL EFFICIENCY

Lee, Chang-Hee; Choi, Ki-Man; Mun, Sil-Gu; Moon, Jung-Hyung, 2013-05-14

14
Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency

Lee, Chang-Hee; Choi, Ki-Man; Mun, Sil-Gu; Moon, Jung-Hyung, 2011-12-13

15
Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency

Lee, Chang-Hee; Choi, Ki-man; Mun, Sil-gu; Moon, Jung-hyung

16
Wide band optical amplifier

Lee, Chang-Hee; Kim, Hyun Deok; Shin, Jeong Hun; Cho, Yun Hee

17
파장 할당 방법을 이용한 다단 분기 파장분할 다중방식 수동형 광 가입자망 장치

Lee, Chang-Hee; Lee, Sang-Mook; Mun, Sil-Gu, 2014-08-26

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