Title:
【考案の名称】電球用調光回路
Document Type and Number:
Japanese Patent JPH04101398
Kind Code:
U
Inventors:
Kozo Iwata
Yamamoto Sadae
Yamamoto Sadae
Application Number:
JP1426391U
Publication Date:
September 01, 1992
Filing Date:
February 19, 1991
Export Citation:
International Classes:
H05B37/02; H05B39/08; (IPC1-7): H05B37/02; H05B39/08
Domestic Patent References:
| JPS548989A | 1979-01-23 | |||
| JPS62222315A | 1987-09-30 |