H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/138, 355/44,
H01J 61/54 (2006.01) H01J 61/56 (2006.01) H05B 41/24 (2006.01) H05B 41/288 (2006.01)
Patent
CA 1205208
11 ABSTRACT: "An arrangement including a metal vapour discharge tube provided with at least two internal electrodes". The invention relates to an arrangement including a frequency converter (4) and a discharge lamp (10) con- nected thereto. According to the invention, the frequency con- verter (4) is of a type whose output frequency is at least 80 kHz, while the lamp is a low-pressure sodium vapour discharge lamp (10). With this supply, the luminous efficacy of the lamp is high. Fig. 1.
444072
de Man Rolf E.
de Ridder Jan
Peeters Jozef I.c.
Sprengers Leo M.
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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