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Class 313/21 - Cylindrical electrode type envelope


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter in which the conductive envelope portion
No. of patents: 3
Last issue date: 05/30/2006


NumberTitleIssue Date
7053557Retrofit light emitting diode tube
An LED light tube for replacement for fluorescent light tubes includes an elongated cylindrical transparent envelope, a base cap at each end of the envelope, and at least one LED device in electrical communication with the base cap. The LED light tube is adapted for...
05/30/2006
6936968Retrofit light emitting diode tube
An LED light tube for replacement for fluorescent light tubes includes an elongated cylindrical transparent envelope, a base cap at each end of the envelope, and at least one LED device in electrical communication with the base cap. The LED light tube is adapted for...
08/30/2005
5386170High-power radiator
An additional capacitance in the form of a molding (12") composed of dielectric material is inserted in an inner space of an ultraviolet light excimer radiator, making it possible to enforce loss-free control of the axial and/or radial distribution of the...
01/31/1995
 
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