Douglas D. Tang

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Chelmsford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Reconfigurable ring system for the transport of RF signals over opt...
- Patent number 5,880,863
- Issue date Mar 9, 1999
- GTE Laboratories Incorporated
- William C. Rideout
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency hopping synthesizer using dual gate amplifiers
- Patent number 5,661,424
- Issue date Aug 26, 1997
- GTE Laboratories Incorporated
- Douglas D. Tang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Secure anti-jamming wireless party line
- Patent number 5,553,126
- Issue date Sep 3, 1996
- GTE Laboratories Incorporated
- Douglas D. Tang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber optic antenna remoting for multi-sector cell sites
- Patent number 5,339,184
- Issue date Aug 16, 1994
- GTE Laboratories Incorporated
- Douglas D. Tang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microwave subcarrier generation for fiber optic systems
- Patent number 5,016,242
- Issue date May 14, 1991
- GTE Laboratories Incorporated
- Douglas D. Tang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjustable waveguide short circuit
- Patent number 4,686,497
- Issue date Aug 11, 1987
- GTE Laboratories Incorporated
- Douglas D. Tang
- H01 - BASIC ELECTRIC ELEMENTS