Pulse or digital communications – Repeaters – Testing
Patent
1972-05-11
1982-03-16
Birmiel, Howard A.
Pulse or digital communications
Repeaters
Testing
331 78, 364717, G06F 758
Patent
active
043205135
ABSTRACT:
An electric circuit, in particular for devices and systems operating on an SSMA basis, for the production of a number of different codes according to a linear law of formation and having practically negligible values of cross correlation coefficients and autocorrelation coefficients during a shifting time and characterized by the provision of two basic code generators respectively consisting of a sequential network, at least one-half adder and at least one delay network, the half adder representing the output circuit, wherein one of the two codes is respectively given at both outputs of the half adder and the delay network is arranged in the connection path which extends between one of the two basic code generators and the half adder.
REFERENCES:
patent: 3439279 (1969-04-01), Guanella
patent: 3515805 (1970-06-01), Fracassi et al.
patent: 3521185 (1970-07-01), Ley
patent: 3617723 (1971-11-01), Melvin
patent: 3665171 (1972-05-01), Morrow
patent: 3700806 (1972-10-01), Vasseur
patent: 3728528 (1973-04-01), Kartchner
patent: 3751648 (1973-08-01), Wu
patent: 3761696 (1973-09-01), Russell
Birmiel Howard A.
Siemens Aktiengesellschaft
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