Title:
INCANDESCENT LAMP HAVING REFLECTING SCREEN
Document Type and Number:
Japanese Patent JPS6142853
Kind Code:
A
Abstract:
According to the invention, an electric incandescent lamp provided with a longitudinally arranged filament (6) and an elongate concave screen (11) cooperating with the filament has in this screen (11) a reflecting tongue (16), which gradually moves away from a flat base portion (13) of this screen (11) and faces the filament (6) throughout its length and extends towards the end (7) of the filament (6) remote from the seal (2) of the lamp vessel (1). The lamp, when used in a headlight having a flattened paraboloidal reflector, produces a dipped beam of higher luminous intensity.
Inventors:
MISHIERU JIYAKURO
Application Number:
JP16783185A
Publication Date:
March 01, 1986
Filing Date:
July 31, 1985
Export Citation:
Assignee:
PHILIPS NV
International Classes:
H01K1/26; H01K7/02; H01K9/08; (IPC1-7): H01K7/00; H01K9/08
Attorney, Agent or Firm:
Akihide Sugimura