ELECTRIC BULB

PROBLEM TO BE SOLVED: To improve the appearance of a lighting device using an electric bulb where a color film is arranged on a glass tube so as to output a functional color. SOLUTION: An electric bulb 1 is provided with a color film 10 on a glass tube 6 filling a filament 8 so as to output a functi...

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Bibliographic Details
Main Authors MABE MICHIHIRO, MITOBE TOSHIAKI, HARASAKI MASATO
Format Patent
LanguageEnglish
Published 12.04.2002
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC INCANDESCENT LAMPS
ELECTRICITY
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