US Patent 7304795 Image projection with reduced speckle noise

Patent 7304795 was granted and assigned to Symbol Technologies on December, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Symbol Technologies

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7304795

Date of Patent

December 4, 2007

Patent Application Number

11116645

Date Filed

April 28, 2005

Patent Primary Examiner

‌

Christopher Mahoney

Patent abstract

An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle noise in the image.