Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1983-05-12
1990-05-08
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307511, 307471, 307355, 371 571, 371 63, H03K 3013, H03K 1716, H03K 19003, H03K 19086
Patent
active
049241176
ABSTRACT:
A logic circuit has two pairs of input terminals to each of which is applied a pair of input signals opposite in phase and a pair of output terminals for deriving a pair of output signals corresponding to the logical states of the two pairs of input signals. The logic circuit is further provided with a holding circuit which is adapted to hold the output signals in the same logical state when a pair of input signal having the same phase are applied to the input terminals.
REFERENCES:
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patent: 3634665 (1972-01-01), Carter et al.
patent: 3649852 (1972-03-01), Bohley
patent: 3655998 (1972-04-01), Wilhelm
patent: 4041326 (1977-08-01), Robinson
patent: 4074151 (1978-02-01), Buckley, III et al.
J. H. Underwood, "Cascode Current Switch Alu", IBM Technical Disclosure Bulletin, vol. 21, No. 12, May 1979.
"Synchronizing Type Logic Circuit", Patent Abstracts of Japan, vol. 5, No. 44, Mar. 1981.
M. Auer et al., "Komplexe ECL-Schaltkreise", Radio Fernsehen Elektronik, 26 (1977), H.1.
Bertelson David R.
Heyman John S.
Tokyo Shibaura Denki Kabushiki Kaisha
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