Plural frequency signal generator

Details Plural frequency signal generator Plural frequency signal generator

1979-04-17

1981-12-15

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 14, 328 15, 307271, H03K 380, H03K 3027, H03L 716

Patent

active

043061907

ABSTRACT:
For the purpose of generating oscillations having a plurality of different frequencies, a read-only memory stores a plurality of binary words which are read cyclically. The individual pulse signals supplied by the read-only memory, each such signal representing a succession of corresponding bits read from the read-only memory, are used to control latches and the required oscillations are obtained by filtering pulse signals supplied by the latches. To guard against equipment failure, the read-only memory and latches are duplicated, the pulse signals supplied by the two sets of latches being combined by means of gates before filtering.

REFERENCES:
patent: 3691471 (1972-09-01), Cicognani et al.
patent: 3701027 (1972-10-01), Belton
patent: 3913021 (1975-10-01), McCarthy et al.

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