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D. C. Powered control circuit for energizing a cold cathode lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
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DA/AC convert for driving cold cathode fluorescent lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Reexamination Certificate

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DC to AC switching circuit for driving an electroluminescent lam

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC—DC converter and device for operation of a high...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
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DC—DC converter and device for operation of a high...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
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DC—DC converter and device for operation of a high...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
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DC-AC converter for igniting and supplying a gas discharge lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC/AC bridge circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC/AC converter for a discharge lamp having a DC offset at the s

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC/AC converter for feeding a metal vapor discharge tube

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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DC/AC converter for igniting and operating a discharge lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC/AC converter for supplying two gas discharge lamps

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
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DC/AC converter for the supply of a gas and/or vapor discharge l

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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DC/AC converter with improved starter circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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DC/AC Converter with voltage dependent timing circuit for discha

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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DC/AC inverter

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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DC/AC inverter

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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Deep PWM dimmable voltage-fed resonant push-pull inverter...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
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Detection and protection circuit for fluorescent lamps operating

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch cut-out
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Device and method for controlling a gas discharge lamp, and...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
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