Title: Electric incandescent lamp with reflecting screen
Application Number: 85101633 Application Date: 1985.04.01
Publication Number: 1007731 Publication Date: 1987.01.24
Approval Pub. Date: Granted Pub. Date: 1989.11.29
International Classifi-cation: H01K1/26,H01K7/02,H01K9/08
Applicant(s) Name: N.V. Philips Gloeilampenfabrieken Address:
Inventor(s) Name:
Attorney & Agent: YE KAIDONG
Abstract:
     According to the present invention, an electric incandescent lamp is composed of a filament which is fitted longitudinally and a long cancave reflecting screen which is matched with the former. There is a reflecting tongue on the screen and the tongue rises gradually and thereby it leaves the bottom of the reflecting screen. The whole tongue faces towards the filament and bends to the sealing end of the filament which is far from the lamp housing. The said lamp is used for parabola reflecting mirror with flat top and is able to generate inclined downwards light beam with high intensity.
Time: 13
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