Method for powering a control circuit for a gas discharge...

Details Method for powering a control circuit for a gas discharge... Method for powering a control circuit for a gas discharge...

2011-08-23

2011-08-23

Tran, Anh Q (Department: 2819)

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

C315S101000, C315S106000, C315S107000

Reexamination Certificate

active

08004199

ABSTRACT:
The method according to the present invention relates to controlling a gas discharge lamp during a pre-heating period of said lamp, wherein a first terminal of a control circuit is connected with a first electrode of the lamp and a second terminal of a control circuit is connected with a second electrode of the lamp, and wherein means are provided, suitable for connecting the first terminal and the second terminal with each other, thus providing a conducting path, and suitable for disconnecting the first terminal and the second terminal. Furthermore the method comprises the use of a chargeable and dischargeable power buffer, for powering control circuitry for operating the switching means.

REFERENCES:
patent: 5422545 (1995-06-01), Felper et al.
patent: 5444333 (1995-08-01), Lau
patent: 6153983 (2000-11-01), Nerone et al.
patent: 6169369 (2001-01-01), Nerone et al.
patent: 6211620 (2001-04-01), Gyoten et al.
patent: 2006/0055339 (2006-03-01), Rudolph
patent: 9810623 (1998-03-01), None
Data Sheet UBA2000T Electronic TL-lamp Starter, Philips Semiconductors, Jan. 3, 1996, pp. 1-16.

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