US PATENT SUBCLASS 380 / 36
.~ Time segment interchange

Current as of: June, 1999
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380 /   HD   CRYPTOGRAPHY

9  DF  ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) {18}
36.~ Time segment interchange {1}
37  DF  .~.~> Block/data stream enciphering

DEFINITION

Classification: 380/36

Time segment interchange:

(under subclass 9) Subject matter which divides the message signal into time interval segments the order of which are interchanged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

22, for this subject matter which interchanges time segments by use of a magnetic record carrier.