Key generator

Details Key generator Key generator

1955-08-23

1980-02-05

Hubler, Malcolm F.

Telegraphy

Systems

Printing

35 4, 340348, 340354, 340357, G09C 500, H04L 904

Patent

active

041873939

ABSTRACT:
2. An apparatus for producing a substantially noncyclic sequence of binary electric values, including a driving gear, a plurality of driven gears associated with said driving gear, each of said driven gears having a pattern disc carried thereby, each said disc having a plurality of radial slots in its periphery, means for utilizing the slots of each said disc to produce a sequence of binary electric values, means for substantially combining pairs of sequences so produced, value by value, to produce a lesser number of new sequences of binary electric values, and means for combining said new sequences in pairs, value by value.

REFERENCES:
patent: 1356546 (1920-10-01), Morehouse
patent: 1912983 (1933-06-01), Jipp et al.
patent: 2139676 (1938-12-01), Friedman
patent: 2425616 (1947-08-01), Hallborg et al.

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