Electric fence controllers

Details Electric fence controllers Electric fence controllers

1977-01-06

1978-09-12

Pellinen, A. D.

Electricity: electrical systems and devices

Electric charge generating or conducting means

For application to living beings

323 19, 323 81, 340 56, H05C 104

Patent

active

041141857

ABSTRACT:
An electric fence controller having a capacitor which can be charged to a predetermined voltage. A timer which discharges the capacitor at fixed intervals of time and a transformer, the primary of which is connected across the capacitor and the secondary of which is connected to a load and to an impedance connected to the primary or secondary of the transformer. The impedance when measured at the operating voltage from the secondary terminals of the transformer is less than the normal fence line impedance.

REFERENCES:
patent: 2981854 (1961-04-01), Grace et al.
patent: 3422280 (1969-01-01), Olson
patent: 3450982 (1969-06-01), Dvorak
patent: 3478259 (1969-11-01), Bradley
patent: 3581299 (1971-05-01), Schmit
patent: 3900786 (1975-08-01), Jordan
N.Z.S.S. 1525:1962, New Zealand Standard Specification for Mains Operated Electric Fence Controllers, New Zealand Standards Institute, Nov. 1962, pp. 3-20.

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