Title:
LIGHTING SYSTEM
Document Type and Number:
Japanese Patent JPH0997698
Kind Code:
A
Abstract:
To provide a lighting device with less leakage current, with less fear of electric shock even if earth of a case is disconnected, and with less power supply feedback noise.
Capacitors 12a, 12b performing connection between an output terminal of high frequency power source 8 and a heat radiation board 11 of main switch element Q1, Q2 of an invertor 2 makes small common mode noise generating in the invertor 2, returning to the load side form a long wiring 13 and being fed back to an AC power supply AC. An earth of a case X is insulated from the board 11 thereof, and thereby generation of leakage current is reduced and no fear of electric shock is generated.
Inventors:
ICHIMURA SHIYOUGO
OKUDE AKIO
FUJIMOTO KOJI
KUDO YASUHIRO
OKUDE AKIO
FUJIMOTO KOJI
KUDO YASUHIRO
Application Number:
JP25527095A
Publication Date:
April 08, 1997
Filing Date:
October 02, 1995
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H05B41/24; (IPC1-7): H05B41/24
Attorney, Agent or Firm:
Ishida Chochichi (2 outside)