The present invention to its discharge roehre, and controlling a device containing the same

摘要

the invention relates to a entladungsru00f6hre, in the erfindungsgemu00e4u00df another strahlungsemittierende substance in a spectral range of a lower intensity of the other substances, at least one predetermined spectrum emissionslinie owns, is included.through detection of the emissionslinie (n) is the operation of lamps with the erfindungsgemu00e4u00dfen discharge tubes taxes.it can be ensured that only checked erfindungsgemu00e4u00dfe discharge tubes, whose life is exceeded, the use of which damage to health by medical or cosmetic application or errors in manufacturing procedures by bestrahlu ng with unsuitable discharge tubes can be avoided.