High intensity discharge lighting system

Details High intensity discharge lighting system High intensity discharge lighting system

1978-08-11

1981-03-24

Moore, David K.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural cathode and/or anode discharge device load

315200R, H05B 3700

Patent

active

042582938

ABSTRACT:
An apparatus for connecting a high intensity discharge light to an electrical outlet has a plurality of end plates adapted to be electrically connected to an electrical outlet and to provide an electrical connection to the light. A heat sink means, and a cover means together with the end plates provide a protective enclosure for a circuit board having a ballast circuit thereon. The ballast circuit maintains a constant current flow through the light as the light becomes operational and comprises a plurality of transistor means biased both simultaneously and alternatively into conduction as the light becomes operational.

REFERENCES:
patent: 3675073 (1970-03-01), Hogue

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