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Optical lens for using in illumination system of imaging scanner

US9507985B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9507985-B2
Application numberUS-201414230441-A
CountryUS
Kind codeB2
Filing dateMar 31, 2014
Priority dateMar 31, 2014
Publication dateNov 29, 2016
Grant dateNov 29, 2016

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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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An imaging scanner includes an illumination light source and a hybrid illumination lens. The hybrid illumination lens includes a first Fresnel surface facing the illumination light source and a second surface having a microlens array thereon. The first Fresnel surface is configured to direct light received from the illumination light source towards the second surface to generate illumination light towards a target object through the microlens array on the second surface.

First claim

Opening claim text (preview).

What is claimed is: 1. An apparatus comprising: an illumination light source; an illumination lens comprising a first Fresnel surface facing the illumination light source and a second surface having a microlens array thereon, the first Fresnel surface configured to direct light received from the illumination light source towards the second surface to generate illumination light towards a target object through the microlens array on the second surface, the illumination light havi…

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Frequently asked questions

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What does patent US9507985B2 cover?
An imaging scanner includes an illumination light source and a hybrid illumination lens. The hybrid illumination lens includes a first Fresnel surface facing the illumination light source and a second surface having a microlens array thereon. The first Fresnel surface is configured to direct light received from the illumination light source towards the second surface to generate illumination li…
Who is the assignee on this patent?
Symbol Technologies Inc, Symbol Technologies Llc
What technology area does this patent fall under?
Primary CPC classification G06K7/10732. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Nov 29 2016 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).