US PATENT SUBCLASS 348 / 156
.~.~ Access control

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}
156.~.~ Access control

DEFINITION

Classification: 348/156

Access control:

(under subclass 143) Subject matter wherein a camera is used to permit entrance or exit of an authorized person or vehicle.

SEE OR SEARCH CLASS

340, Communications: Electrical,

825.31+, for authorization control (e.g., entry into an area).

382, Image Analysis,

115+, for personnel identification using image analysis.