Drive circuit for electroluminescent lamps

Details Drive circuit for electroluminescent lamps Drive circuit for electroluminescent lamps

1991-11-18

1994-08-09

Pascal, Robert J.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315209R, 315156, 315158, 315307, 315246, 363132, G09G 310

Patent

active

053369785

ABSTRACT:
A drive circuit for an electroluminescent lamp and a novel lamp are disclosed. The drive circuit generates an alternating output voltage which is variable in magnitude and frequency and which may be subjected to automatic closed loop regulation in response to lamp voltage or the intensity of the light generated by the lamp. The electroluminescent lamp includes an integral light sensor for producing signals commensurate with the intensity of the light generated by the lamp.

REFERENCES:
patent: 4527096 (1985-07-01), Kindlmann
patent: 5055993 (1991-10-01), Miyata et al.
patent: 5089748 (1992-02-01), Ihms

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