Title:
EMIフィルタ用のピーク電流制限器を持つ照明用電源回路
Document Type and Number:
Japanese Patent JP2014514687
Kind Code:
A
Abstract:
Light source power circuits and EMI filters therefor are presented in which a depletion mode field effect transistor is connected in series with an EMI filter capacitor following an input rectifier to allow filtering of EMI and to limit capacitive currents during triac switching when powered through a phase-cutting dimmer circuit.
Inventors:
Nerone, Louis Robert
Application Number:
JP2013558024A
Publication Date:
June 19, 2014
Filing Date:
February 24, 2012
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
H05B37/02; H02M1/12; H03H7/01; H03H11/04; H05B44/00
Domestic Patent References:
| JP2002539598A | 2002-11-19 | |||
| JPH09214276A | 1997-08-15 | |||
| JP2009260615A | 2009-11-05 | |||
| JP2011023529A | 2011-02-03 | |||
| JP2007140491A | 2007-06-07 |
Foreign References:
| US20100225240A1 | 2010-09-09 |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka