US PATENT SUBCLASS 380 / 50
.~.~ Including shift register or memory

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}
49  DF  .~ With digital signal handling (e.g., digital control, digital computer communication) {1}
50.~.~ Including shift register or memory

DEFINITION

Classification: 380/50

Including shift register or memory:

(under subclass 49) Subject matter which uses digital information storage equipment for encryption or decryption of the information signal.

SEE OR SEARCH CLASS

365, Static Information Storage and Retrieval,

80+, for a magnetic shift register.

377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,

64+, for a shift register.