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US 6,290,368 B1Granted
Portable reading light device
OwnerRobert A. Lehrerinventor
Life of this patent
Estimating the term…
Abstract
A portable reading light device utilizing an LED as the source of light mounted in a housing having a plurality of focusing mirrors mounted therein.
Claims18
A portable lightweight lamp for illuminating a subject comprising:
- a light projection housing of a unitary structure having an opening at one end and terminating in a light output opening at the other end and having a longitudinal axis;
- LED means mounted in said housing at one end thereof for emitting a source of light;
- focusing lens means mounted in said housing remote from said LED means receiving therethrough the light emitted by said LED means and projecting a focused beam of light out of the housing;
- said means including a first lens mounted in said other end and a second lens mounted between said first lens and said LED means and being slidably mounted to said housing to linearly move along said longitudinal axis.
1 more element
Dependencies are inferred from the claim text.