Illumination control through selective activation and de-activation of lighting elements

US8988005B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8988005-B2
Application numberUS-201213398316-A
CountryUS
Kind codeB2
Filing dateFeb 16, 2012
Priority dateFeb 17, 2011
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

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In various embodiments, an illumination system includes multiple light-emitting strings that are selectively activated or deactivated to regulate an overall output of the array.

First claim

Opening claim text (preview).

What is claimed is: 1. An illumination system comprising: a light-emitting array comprising a plurality of light-emitting strings, each light-emitting string comprising a plurality of light-emitting elements electrically connected in series; a plurality of constant current sources, each constant current source providing a constant current to a different one of the light-emitting strings; a power supply for supplying power to the plurality of constant current sources; and a c…

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What does patent US8988005B2 cover?
In various embodiments, an illumination system includes multiple light-emitting strings that are selectively activated or deactivated to regulate an overall output of the array.
Who is the assignee on this patent?
Jungwirth Paul, Ashdown Ian, Tischler Michael Albert, and 1 more
What technology area does this patent fall under?
Primary CPC classification H05B45/44. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).