US PATENT SUBCLASS 380 / 25
.~.~ Computer
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
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.