Magnetic transformer switch and combination thereof with a disch

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...

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Details

315106, 315278, 315282, 315DIG7, 336165, 336214, H05B 4129

Patent

active

044531095

ABSTRACT:
A magnetic transformer switch which switches its primary flux path upon conduction in its secondary and the combination thereof with a fluorescent lamp in which the heater current is reduced upon lamp ignition by reason of the current in the heater winding in the secondary being reduced upon the primary flux path being switched. A unique construction minimizes both electromagnetic interference and induction losses.

REFERENCES:
patent: 3710177 (1973-01-01), Ward
patent: 4213076 (1980-07-01), Walz
patent: 4288724 (1981-09-01), Sherman
patent: 4388562 (1983-06-01), Josephson

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