Patent ID: 11923760
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The switching power supply apparatus as claimed in claim 1,
wherein the switching power supply apparatus further comprises third and fourth capacitors, the third capacitor being connected between the first winding terminal of the transformer and the conductor portion, and the fourth capacitor being connected between the second winding terminal of the transformer and the conductor portion,
wherein capacitances of the first and the second capacitors are set to satisfy:
C21>C22, for C71>C72; and
C21<C22, for C71<C72,

wherein C71 denotes capacitance of the third capacitor, and C72 denotes capacitance of the fourth capacitor.