Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1991-11-25
1993-02-16
Popek, Joseph A.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315DIG2, H05B 4136
Patent
active
051874148
ABSTRACT:
An electronic controller for fluorescent lamps includes a DC to AC converter which supplies high frequency current to the lamps and a preconditioner stage which includes a switched mode power supply connected to accept line power and produce a DC input for the DC to AC converter. The switched mode power supply and the DC to AC converter are synchronized to operate in a fixed phase relationship and/or at the same frequency.
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Erhardt Robert A.
Fellows Mark W.
Thomsen James A.
Toy Edmond
Wong John M.
Blocker Edward
North American Philips Corporation
Popek Joseph A.
Zarabian A.
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