Remotely-controllable relays

Details Remotely-controllable relays Remotely-controllable relays

1980-10-15

1982-11-30

Rubinson, G. Z.

Electrical transmission or interconnection systems

Superimposed unlike currents

Different frequencies or phase

307 40, 340310A, 364492, H04Q 900

Patent

active

043617662

ABSTRACT:
A ripple control relay is arranged (i) to delay implementation of a received command until the end of a predetermined time interval following reception of the command; (ii) to delay implementation as in (i), and to implement the complementary command automatically after a further predetermined interval; or (iii) to repeat the sequence as in (ii) cyclically.

REFERENCES:
patent: 4264960 (1981-04-01), Gurr

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