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US Patent 10041635 Lighting and diffuser apparatus for a flashlight

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
100416351
Patent Inventor Names
Man Yin Lam1
Daniel Kai Yu Lam1
Date of Patent
August 7, 2018
1
Patent Application Number
149441961
Date Filed
November 17, 2015
1
Patent Citations Received
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US Patent 12018828 Electronic module group
2
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US Patent 11841128 Detachable lantern lighting device
3
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US Patent 11940135 LED lighting methods and apparatus
4
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US Patent 11959601 Lamp module group
5
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US Patent 11988344 Multi-purpose flashlight
6
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US Patent 11466821 Lamp module group
7
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US Patent 10415799 Dual output downlight fixture
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US Patent 11560988 Portable lighting device with an illuminated indicia
...
Patent Primary Examiner
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William Carter
1
Patent abstract

The present invention relates to a lighting and diffuser apparatus for a flashlight. In one aspect, the lighting and diffuser apparatus includes a reflector. The reflector may include an interior surface having a truncated parabolodial shape, as well as an exterior surface which includes a first segment that defines a lateral surface of a frustum of a right circular cone. The lighting and diffuser apparatus further may include a primary light source inside the reflector, and a secondary light source outside the reflector. The secondary light source may include an array of light sources facing the first segment. The array of light sources may be distributed in a ring. The lighting and diffuser apparatus also may include a cylindrical member of light transmitting material near the reflector.

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