Power supply circuit for an electroluminescent lamp

Details Power supply circuit for an electroluminescent lamp Power supply circuit for an electroluminescent lamp

1995-05-18

1998-01-27

Pascal, Robert

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315307, 345 76, 345 77, 345212, H05B 3300, H05B 3302

Patent

active

057125333

ABSTRACT:
The power supply circuit for an electroluminescent lamp (7) comprises a transformer with two windings (4, 6). The primary winding (4) of the transformer is supplied cyclically by a battery via the intermediary of an "H" bridge. The use of an "H" bridge ensures that the current circulating in the primary winding (4) has no continuous component, which optimises the rates of transmission of electric energy from the primary (4) to the secondary of th transformer.

REFERENCES:
patent: 4247854 (1981-01-01), Carpenter et al.
patent: 5317497 (1994-05-01), Belek

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