Electrodeless low-pressure discharge lamp

Details Electrodeless low-pressure discharge lamp Electrodeless low-pressure discharge lamp

1997-04-16

1998-09-22

O'Shea, Sandra L.

Electric lamp and discharge devices

With detachable electrical connector or support

Electrical connector

315248, 313161, H01J 6504

Patent

active

058119140

ABSTRACT:
An electrodeless low-pressure discharge lamp according to the invention comprises a light-transmitting discharge vessel which is provided with an ionizable filling. The discharge vessel has a cavity in which an electric coil is arranged which is provided with a primary and a secondary winding around a metal body, the primary winding of the coil being connected to a first and a second electrical conductor of a cable for connection to a first and a second output terminal of a high-frequency supply the second output terminal of the supply being free from high-frequency voltage variations relative to ground (M). The secondary winding is connected at one of its ends to the second electrical conductor and has a further, free end. The electrical conductors are electrically insulated from one another, the second electrical conductor surrounding the first electrical conductor. The metal body is capacitively coupled to the second electrical conductor. A reduction in electromagnetic interference fields is realized thereby in a simple manner.

REFERENCES:
patent: 5694000 (1997-12-01), Antonis et al.

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