4. Television
  5. Synchronization
  6. Locking of video or audio to reference timebase

Ed Twitchell

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System and method for controlling a transmitter frequency

Television – Format – Adapted to reduce noise or for frequency modulation
Reexamination Certificate

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System and Method for exciting advanced television signals

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate

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System and method for obtaining synchronization to a digital fra

Television – Synchronization – Locking of video or audio to reference timebase
Patent

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System and method for transmitting advanced television signals

Television – Image signal processing circuitry specific to television – Noise or undesired signal reduction
Reexamination Certificate

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System and method for trellis encoding a digital signal

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1160954

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