SYSTEME D'ECLAIRAGE DE SECOURS
An emergency lighting system for electric discharge lamps utilizing an AC - DC inverter to supply emergency power and having a normally non-conductive switching element in the feedback circuit of the inverter which enables the inverter upon failure of line power.
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Format: | Patent |
Sprache: | fre |
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Zusammenfassung: | An emergency lighting system for electric discharge lamps utilizing an AC - DC inverter to supply emergency power and having a normally non-conductive switching element in the feedback circuit of the inverter which enables the inverter upon failure of line power. |
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