US PATENT SUBCLASS 348 / 547
.~.~ Vertical sync component

Current as of: June, 1999
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500  DF  SYNCHRONIZATION {11}
536  DF  .~ Automatic phase or frequency control {4}
547.~.~ Vertical sync component {1}
548  DF  .~.~.~> Countdown

DEFINITION

Classification: 348/547

Vertical sync component:

(under subclass 536) Subject matter wherein the sync signal components are the vertical sync.