Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit
Patent
1988-10-14
1990-04-10
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Transformer in the supply circuit
336 90, 174DIG2, 361377, H05K 504
Patent
active
049163639
ABSTRACT:
An improved ballast for a fluorescent lamp comprising a base having a core mounted thereon with a plurality of coils operatively electrically associated with the core with each of the coils having at least one conductor extending therefrom. An electrical connector is positioned adjacent the coils and has a plurality of connectors associated therewith which are electrically connected to predetermined conductors. A component subassembly is electrically connected to predetermined connectors. A case is positioned over the core, coils, connectors and the component subassembly. The case is provided with an access opening formed therein for providing access to at least a portion of the connectors so at least a portion of a wiring harness may be inserted therethrough for selective connection to predetermined connectors.
REFERENCES:
patent: 2489245 (1949-11-01), Sola
patent: 3360687 (1967-12-01), Riesland
patent: 3655906 (1972-04-01), Robb
Burton Charles A.
Costa Larry J.
Swanson Dail L.
LaRoche Eugene R.
Pascal Robert J.
Valmont Industries, Inc.
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