Electric fence energizer output control circuits

Details Electric fence energizer output control circuits Electric fence energizer output control circuits

1980-03-14

1982-01-12

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Electric charge generating or conducting means

For application to living beings

H01T 2000

Patent

active

043108695

ABSTRACT:
An electric fence energizer output control circuit to which is applied an output voltage from an electric fence energizer which voltage comprises sequential pulses having a short duration high voltage period and a longer duration low voltage period of opposite polarity. A control circuit comprising first and second rails, a triac connected in the first rail by the main terminals thereof, the triac being conductive during high voltage pulse periods. Means to sense the end of the current flow due to the high voltage pulse period and to cause current to flow in the gate terminal of the triac thereby maintaining the triac in the conductive state during the low voltage pulse period, the arrangement being such that on the application of a relatively low voltage and relative low frequency AC sinusoidal voltage to the output of said control circuit said triac is non-conductive to the AC voltage.

REFERENCES:
patent: 2401815 (1946-06-01), Dalziel
patent: 3115610 (1963-12-01), Beguin
patent: 4114185 (1978-09-01), Gallagher

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