US PATENT SUBCLASS 348 / 154
.~.~.~.~ Motion detection

Current as of: June, 1999
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348 /   HD   TELEVISION

61  DF  SPECIAL APPLICATIONS {15}
143  DF  .~ Observation of or from a specific location (e.g., surveillance) {10}
152  DF  .~.~ Intrusion detection {2}
153  DF  .~.~.~ Using plural cameras {1}
154.~.~.~.~ Motion detection

DEFINITION

Classification: 348/154

Motion detection:

(under subclass 153) Subject matter including apparatus for utilizing a television picture signal to develop signals indicative of whether movement has taken place in a selected scene or area over a given period of time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

700, for signal processing circuitry involving motion dependent key signal generation or scene change detection.