US PATENT SUBCLASS 348 / 504
.~.~ With line rate switch (e.g., SECAM)

Current as of: June, 1999
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348 /   HD   TELEVISION

500  DF  SYNCHRONIZATION {11}
503  DF  .~ For sequential color components {1}
504.~.~ With line rate switch (e.g., SECAM)

DEFINITION

Classification: 348/504

With line rate switch (e.g., SECAM):

(under subclass 503) Subject matter wherein the sync is used to cause a switch to change state at a horizontal line rate.