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Patent applications and USPTO patent grants for Yu; Zhengchen.The latest application filed is for "terminals having sub-band substitute signal control in optical communication systems".
Patent | Date |
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Methods of signal substitution for maintenance of amplifier saturation Grant 6,944,399 - Yu , et al. September 13, 2 | 2005-09-13 |
Terminals having sub-band substitute signal control in optical communication systems Grant 6,907,195 - Yu , et al. June 14, 2 | 2005-06-14 |
Methods of signal substitution for maintenance of amplifier saturation App 20030048502 - Yu, Zhengchen ;   et al. | 2003-03-13 |
Terminals having sub-band substitute signal control in optical communication systems App 20030048508 - Yu, Zhengchen ;   et al. | 2003-03-13 |
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