Head-mounted LED light with integrated, adjustable iris
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United States of America Patent
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Sep 7, 2021
Grant Date -
N/A
app pub date -
Aug 7, 2020
filing date -
Aug 7, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A head-mountable light includes a user-adjustable spot size. Light from an LED travels through beam-forming optical elements supported at the front opening of a housing to form a spot of light at a working distance. An adjustable iris, situated between the LED and the beam forming optical elements, enables a user to adjust the iris and vary the size of the aperture and the spot size of the light at the working distance. The manually operated iris size control may comprise a rotatable ring on the exterior of the housing, and the plurality of beam-forming optical elements may comprise a singlet lens followed by a doublet lens. The light from the LED strikes the beam-dispersing element directly without an intervening condensing optical element (i.e., condensing lens). The assembly further includes a mechanical connector adapted to couple the housing to a pair of eyeglass frames, headband or other head-worn structure.
First Claim
Family
International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- F21W:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21L:LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABL....
- A42B:HATS; HEAD COVERINGS
- [Classification Symbol]
- [Patents Count]
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