| 摘要 |
<p>PCT No. PCT/JP97/01638 Sec. 371 Date Feb. 22, 1998 Sec. 102(e) Date Feb. 22, 1998 PCT Filed May 15, 1997 PCT Pub. No. WO97/43791 PCT Pub. Date Nov. 20, 1997A piezoelectric transformer has input and output terminal electrodes (12c, 12d, 13c, 13d) exposed on a bottom surface thereof. The terminal electrodes are mechanically and electrically connected to connection portions (15a-15d) of a flexible printed circuit (18) for connecting with an external circuit. The transformer is held between a base element (21b, 22) and a cover (21a, 23, 25) coupled to each other. The base element may be a circuit board on which the transformer should be mounted.</p> |
