| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a discharge tube driving circuit capable of uniformly lighting a plurality of discharge tubes, while a mall number of components are used in it and its structure can be miniaturized. <P>SOLUTION: In this discharge tube driving circuit, a first balance transformer is provided in a first driving circuit block, a plurality of the primary windings of a plurality of driving transformers contained in the first driving circuit block are connected in series to a the secondary winding of the first balance transformer, a second balance transformer is provided in a second driving circuit block, a plurality of the primary windings of a plurality of driving transformers contained in the second driving circuit block are connected in series to the secondary winding of the second balance transformer, and the primary winding of the first balance transformer is connected in series to the primary winding of the second balance transformer. <P>COPYRIGHT: (C)2008,JPO&INPIT |
