Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SWITCHING POWER SUPPLY
Document Type and Number:
Japanese Patent JP2004187470
Kind Code:
A
Abstract:

To provide a switching power supply in which an output voltage can be lowered during standby by a simple arrangement.

The switching power supply is arranged such that a winding is wound up father from the output side of a secondary winding and connected with a rectifying section before being fed back to the primary side through a photocoupler. By the arrangement, the output voltage can be lowered during standby.


More Like This:
JPH07163152POWER SUPPLY CIRCUIT
JP5903072High-voltage power supply system and image forming equipment
JP2022086417POWER SUPPLY DEVICE, POWER SUPPLY UNIT, AND TEST DEVICE
Inventors:
OCHI HIROYUKI
KOMATSU AKIYUKI
Application Number:
JP2002355151A
Publication Date:
July 02, 2004
Filing Date:
December 06, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H02M3/28; (IPC1-7): H02M3/28
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito



 
Previous Patent: VEHICULAR ALTERNATOR

Next Patent: POWER CONVERTER AND ITS OPEN PHASE DETECTING PROGRAM