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Ed Twitchell
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Quincy, IL, US
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Patents Grants
last 30 patents
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Patent Grant
System and method for transmitting advanced television signals
Patent number
6,335,766
Issue date
Jan 1, 2002
Harris Corporation
Ed Twitchell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for controlling a transmitter frequency
Patent number
6,281,935
Issue date
Aug 28, 2001
Harris Corporation
Ed Twitchell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for trellis encoding a digital signal
Patent number
6,269,125
Issue date
Jul 31, 2001
Harris Corporation
Joseph Seccia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and Method for exciting advanced television signals
Patent number
6,185,255
Issue date
Feb 6, 2001
Harris Corporation
Ed Twitchell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for obtaining synchronization to a digital frame
Patent number
6,055,021
Issue date
Apr 25, 2000
Harris Corporation
Ed Twitchell
H04 - ELECTRIC COMMUNICATION TECHNIQUE