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( 75066 of 75066 ) |
United States Patent | 3,557,356 |
January 19, 1971 |
Electronic apparatus for generating pseudo-random sequences of 4-level signals, comprising combinations of electronic devices capable of simulating the two possible operations on a 4-element Galois' field. The combinations include various logic circuits of the "AND, EXCLUSIVE OR" and "INVERTER" types.
Inventors: | Claude Balza, Conflans-Sainte-Honorine (Yvelines, FR), Maurice Auguste Francois Joseph Maniere, (N/A), Conflans-Sainte-Honorine (Yvelines, FR) |
Assignee: |
Lignes Telegraphiques & Telephoniques, Paris, FR
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Appl. No.: | 04/726,686 |
Filed: | May 6, 1968 |
May 12, 1967 [FR] | 106,302 | |||
Current U.S. Class: | 708/256 ; 327/164 |
Current International Class: | G06F 7/58 (20060101); G06f 007/38 () |
Field of Search: | 235/152,197 328/60,61 |
3171082 | February 1965 | Dillard et al. |
3124753 | March 1964 | Gieseler |
Barter & Schneider COMPUTATION WITH FINITE FIELDS Information & Control . Vol. 6 June 1963 pp 79--98 R & D Q350 I5 . Elspas, B. THE THEORY OF AUTONOMOUS LINEAR SEQUENTIAL NETWORKS IRE Trans. . Circuit Theory Vol. 6 Mar. 1959 pp 45--60 Group 255 TK 3226 I17. |
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