发明名称 LUMINOUS ELEMENT FOR A LAMP
摘要 <p>The lighting body is in the form of a double helix with two connections (18,20) at one end. The diameter (D1,D2) of the double helix and the pitch (S1,S2) of the double helix windings increase steadily towards the two connections. The steady increase especially contains a linear, quadratic, cubic or exponential increase. Independent claims are also included for the following: a method of making a lighting body.</p>
申请公布号 EP1247290(A2) 申请公布日期 2002.10.09
申请号 EP20000989817 申请日期 2000.11.30
申请人 PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN MBH 发明人 FRANCK, FELIX
分类号 H01K1/02;H01K1/14;H01K3/02;H01K3/04;(IPC1-7):H01K1/14 主分类号 H01K1/02
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