Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp
Patent
1987-05-15
1988-05-10
Moore, David K.
Electric lamp and discharge devices
With gas or vapor
Incandescent filament lamp
313 25, 313331, 313318, H01K 118
Patent
active
047438037
ABSTRACT:
A mounting arrangement for disposing a light source comprising an inner envelope within an outer envelope with both envelopes comprising a general service tungsten-halogen incandescent lamp is disclosed. The mounting arrangement has parameters which are selected in accordance with the ratio between the natural frequency characteristics of the filament of the light source and the mounting arrangement itself. The selected ratios of the natural frequencies of the filament and the mounting arrangement reduce the typically experienced shock vibrations of the general service lamp that are transmitted to the filament and thereby improves the overall life expectancy of the general service incandescent lamp.
REFERENCES:
patent: 4138623 (1979-02-01), McMillan
patent: 4647809 (1987-03-01), Blaisdell et al.
patent: 4658177 (1987-04-01), Gosslar et al.
patent: 4673840 (1987-06-01), Gates
Hickey, III Charles F.
Korenowski Nicholas E.
Lanese Robert M.
Tener Dean R.
General Electric Company
Jacob Fred
McMahon John P.
Moore David K.
Schlamp Philip L.
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