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David K. Yoo
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Collingswood, NJ, US
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Patents Grants
last 30 patents
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Patent Grant
Optical domain frequency down-conversion of microwave signals
Patent number
7,835,650
Issue date
Nov 16, 2010
Drexel University
Yifei Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Photonic phase locked loop detector/discriminator
Patent number
7,653,318
Issue date
Jan 26, 2010
F & H Applied Science Associates, Inc.
Yifei Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPTICAL DOMAIN FREQUENCY DOWN-CONVERSION OF MICROWAVE SIGNALS
Publication number
20080013150
Publication date
Jan 17, 2008
Drexel University
Yifei Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Photonic phase locked loop detector/discriminator
Publication number
20060251420
Publication date
Nov 9, 2006
Yifei Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE