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Patent applications and USPTO patent grants for Dugan; John M..The latest application filed is for "method and system for indicating an optical transmit amplifier fault".
Patent | Date |
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Method and system for indicating an optical transmit amplifier fault Grant 5,557,265 - Moothart , et al. September 17, 1 | 1996-09-17 |
Optical amplifier Grant 5,374,973 - Maxham , et al. December 20, 1 | 1994-12-20 |
Multiple wavelength division multiplexing signal compensation system and method using same Grant 5,224,183 - Dugan June 29, 1 | 1993-06-29 |
Fiber-optic cable system and method for dispersion compensation at nodes between end points Grant 5,218,662 - Dugan June 8, 1 | 1993-06-08 |
NRZ Data phase detector Grant 4,371,974 - Dugan February 1, 1 | 1983-02-01 |
Sampling NRZ data phase detector Grant 4,371,975 - Dugan February 1, 1 | 1983-02-01 |
Apparatus for deriving clock pulses from return-to-zero data pulses Grant 4,321,483 - Dugan March 23, 1 | 1982-03-23 |
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