US PATENT SUBCLASS 348 / 500
SYNCHRONIZATION

Current as of: June, 1999
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348 /   HD   TELEVISION

500SYNCHRONIZATION {11}
501  DF  .~> Reprocessing {1}
503  DF  .~> For sequential color components {1}
505  DF  .~> Phase locking regenerated subcarrier to color burst {2}
510  DF  .~> Locking of computer to video timebase
511  DF  .~> Control of picture position
512  DF  .~> Locking of video or audio to reference timebase {5}
521  DF  .~> Sync generation {3}
525  DF  .~> Sync separation {6}
536  DF  .~> Automatic phase or frequency control {4}
550  DF  .~> To achieve interlaced scanning
551  DF  .~> Of mechanical scan

DEFINITION

Classification: 348/500

SYNCHRONIZATION:

(under the class definition) Subject matter including particular techniques or apparatus for utilizing synchronizing signal components to maintain proper time or phase correspondence between scanning components of the television system.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

141+, for miscellaneous synchronizing circuits.

331, Oscillators,

20, 21, 145, 149, 153, and 172 for TV sync type oscillators and oscillators with sync circuits.

361, Electricity: Electrical Systems and Devices, 243+, for electrical systems including synchronization of shafts.