Title: Electric lamp
Application Number: 95100278 Application Date: 1995.01.27
Publication Number: 1127933 Publication Date: 1996.07.31
Approval Pub. Date: Granted Pub. Date: 2000.07.12
International Classifi-cation: H01K1/64,H01K9/04,H01K9/08
Applicant(s) Name: Zheng Xiaoyi Address: 632275
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The electric lamp featuring that the total time of filament lighting is greater than service life of glass bulb and its brightness is adjustable is structurally characterized by that a group of in-bulb electric contacts is additionally arranged and each contact is electrically connected to one of filaments with different powers. As soon as metallic ball is set into desired contact hole, the lamp immediately lights.
Time: 13
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