Original document(10 pages)  中文版
    A filament lamp comprising a sealed transparent vessel (1) containing at least two coiled filaments (3,4) and conductive means (5,6,7;8,9,10;11,12,13) for supplying electric power to each of the at least two coils (3,4). The coils (3,4) are positioned coaxially, and has different diameters. At least a portion of the coil (3) having the larger diameter surrounds at least a portion of the coil (4) having the smaller diameter.
Application Number
申请号		 200580008747 Application Date
申请日		 2005.03.03
Title 名称 A filament lamp comprising two coiled filaments and a lamp assembly
Publication Number
公开号		 1934675 Publication Date
公开日		 2007.03.21
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H01K9/08;H01K1/14
Applicant(s) Name
申请人		 Koninkl Philips Electronics NV
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 gonghai jun zhangzhi cheng
More information 更  多  信  息


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