F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 5/04 (2006.01) F21V 14/02 (2006.01) F21V 23/04 (2006.01) F21L 4/00 (2006.01)
Patent
CA 2577976
There is disclosed an adjustable light emitting device for selectively projecting light directionally and omnidirectionally, the device comprising a stepped surface lens having a focal point and a light source positioned substantially along an optical axis of the lens and adapted for movement along the axis between the focal point and the lens. There is also disclosed a light emitting device comprising a partially collimated light source and a lens. When light emitted by the light source passing through the lens is simultaneously projected in an arc of at least 180° and further wherein a measured intensity of the projected light within the arc is at least one half of a maximum intensity of the emitted light. Both devices may also include a light sensor, or the light sensor may be included together with the lens in a separate package for use in light sensing applications.
Goudreau Gage Dubuc
The Flewelling Ford Family Trust
LandOfFree
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