US PATENT SUBCLASS 348 / 355
.~.~.~.~.~ Plural high frequencies

Current as of: June, 1999
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348 /   HD   TELEVISION

207  DF  CAMERA, SYSTEM AND DETAIL {19}
335  DF  .~ Optics {12}
345  DF  .~.~ Focus control {5}
349  DF  .~.~.~ Using image signal {5}
354  DF  .~.~.~.~ By analyzing high frequency component {2}
355.~.~.~.~.~ Plural high frequencies

DEFINITION

Classification: 348/355

Plural high frequencies:

(under subclass 354) Subject matter wherein more than one high frequency component is analyzed.