Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER SUPPLY CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/186084
Kind Code:
A1
Abstract:
[Problem] To provide a power supply circuit with which it is possible to supply a power supply voltage to a drive circuit during and after startup. [Solution] A power supply circuit having: a transformer (113) including a primary winding (L1) and a first secondary winding (L3); a first diode (D1) serially connected to the first secondary winding; a first node (121) to which a voltage is supplied, the first node (121) being connected to the primary winding; a second node (122) connected to a serial connection circuit of the first diode and the first secondary winding; a first capacitor (C2) connected to the second node; a first resistor (R2) connected between the first node and the second node; and a drive circuit (102) in which a power supply terminal thereof is connected to the second node.

More Like This:
JP7225930switching power supply
JP7129956electric vehicle
JPH06101925[Title of the Invention] A power supply device for converting a first DC potential into a second DC potential having a predetermined amplitude.
Inventors:
HIROSE TATSUYA (JP)
Application Number:
PCT/JP2018/008298
Publication Date:
October 11, 2018
Filing Date:
March 05, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJITSU LTD (JP)
International Classes:
H02M3/28
Foreign References:
JPH03159561A1991-07-09
JP2007174753A2007-07-05
JP2003339164A2003-11-28
JP2005198454A2005-07-21
JP2015043652A2015-03-05
JPH1155945A1999-02-26
JPH04372575A1992-12-25
JP2016058711A2016-04-21
Attorney, Agent or Firm:
MUKOUYAMA Naoki (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD

Next Patent: HEAT-COLLECTING TUBE