Title:
本線電圧用のハロゲン白熱ランプ
Document Type and Number:
Japanese Patent JP2005530318
Kind Code:
A
Abstract:
The mains voltage halogen incandescent lamp has a coiled-coil filament ( 10 ) having single-coiled legs ( 16 ). In order to obviate sag of the filament barrel ( 11 ) when positioned horizontally, the turns ( 17 ) of the legs ( 16 ) have a pitch (p 17 ) which is larger than the pitch (p 12 ) of the primary turns ( 12 ) of the barrel ( 11 ).
Inventors:
Ayrianus, Huyertos
Application Number:
JP2004514115A
Publication Date:
October 06, 2005
Filing Date:
May 27, 2003
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H01K1/16; H01K1/14; H01K1/18; H01K1/24; (IPC1-7): H01K1/16; H01K1/18; H01K1/24
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito