US PATENT SUBCLASS 380 / 25
.~.~ Computer


Current as of: June, 1999
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380 /   HD   CRYPTOGRAPHY

9  DF  ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) {18}
23  DF  .~ With user or record actuated authentication {2}
25.~.~ Computer


DEFINITION

Classification: 380/25

Computer:

(under subclass 23) Subject matter which encrypts and transmits authorization for access to computing or data processing equipment.

SEE OR SEARCH CLASS

364, Electrical Computers and Data Processing Systems, appropriate subclasses for computer access authorization absent encryption.

379, Telephonic Communications,

93.02+, for computer access restriction over a telephone line absent encryption.

705, Data Processing: Financial, Business Practice, Management, or Cost/price Determination,

18+, for a business management data processing system not including a cryptos:graphic limitation.