Sequential two tone detector

Details Sequential two tone detector Sequential two tone detector

1978-07-21

1980-06-10

Hix, L. T.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

340171PF, H04Q 912

Patent

active

042074746

ABSTRACT:
A power management central controller is operable to transmit a sequential two tone load shed command to a plurality of power loads should power consumption become excessive. An improved detector at the load site detects the presence of the two tone signal and initiates the load shedding interval.

REFERENCES:
patent: Re28739 (1976-03-01), Wycoff
patent: 3355709 (1967-11-01), Hanus
patent: 3396370 (1968-08-01), Agnew
patent: 3465294 (1969-09-01), Carsello et al.
patent: 3581283 (1971-05-01), Reddel
patent: 4069477 (1978-01-01), Maben

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