US PATENT SUBCLASS 340 / 825.31
.~.~ Authorization control (e.g., entry into an area)


Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

825  DF  SELECTIVE {23}
825.3  DF  .~ Intelligence comparison {3}
825.31.~.~ Authorization control (e.g., entry into an area) {2}
825.32  DF  .~.~.~> With alarm or indication of improper access
825.33  DF  .~.~.~> Credit


DEFINITION

Classification: 340/825.31

Authorization control (e.g., entry into an area):

(under subclass 825.30) Subject matter wherein the comparison determines the operation of a controlled device to permit an individual to perform some action.

SEE OR SEARCH CLASS

235, Registers,

382, for similar subject matter where entry is controlled by a data bearing record.