Emergency florescent inverter for magnetic and electronic ballas

Details Emergency florescent inverter for magnetic and electronic ballas Emergency florescent inverter for magnetic and electronic ballas

1997-12-29

1998-09-29

Tso, Edward

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

320DIG36, 315 86, H02J 906, H05B 4129

Patent

active

058149716

ABSTRACT:
An improved inverter or "fluorescent battery pack" useful particularly in an emergency lighting system with both magnetic and electronic ballasts of both "rapid start" and "instant start" configurations, the present inverter is rapidly installable in emergency lighting systems which include fluorescent lighting fixtures operable with either magnetic ballasts which are typically "non-isolated" or electronic ballasts which are typically "isolated". The inverter circuitry of the invention is simply installable in the present emergency lighting system due to an effective disconnection of the ballasts with concurrent connection between the inverter and lamping, only two effective connections to the lamp thus being necessary with a resulting avoidance of wiring redundancy.

REFERENCES:
patent: 4682078 (1987-07-01), Pascalide
patent: 4727291 (1988-02-01), Bavaro
patent: 4977351 (1990-12-01), Bavaro et al.
patent: 5202608 (1993-04-01), Johnson
patent: 5471114 (1995-11-01), Edwards et al.

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