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Patent Searching and Data


Title:
有色光を発生するためのランプ
Document Type and Number:
Japanese Patent JP4638688
Kind Code:
B2
Abstract:
A coiled filament (4) and a current lead-in conductors (5) are located within the bulbous region (21) of a transparent envelope (2) and coupled to the exterior via a closure region (22). A light absorbing coating (7) and an interference filter coating defining a spectral region of transparency are formed and laminated on the exterior surface of the envelope encircling the bulbous region.

Inventors:
Robert Nichols
Reinhard Schaefer
Florence Titel
Application Number:
JP2004139158A
Publication Date:
February 23, 2011
Filing Date:
May 07, 2004
Export Citation:
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Assignee:
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
International Classes:
F21S8/10; H01K1/32; F21S10/02; F21V9/08; H01J61/40; H01J63/04; H01K1/26; H01K1/30; F21W101/10; F21W101/12; F21W101/14; F21Y101/00
Domestic Patent References:
JP3114140A
JP6036748A
JP2001313003A
Attorney, Agent or Firm:
Toshio Yano
Takahashi
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard