US Patent 7728859 Optical printhead
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Patent abstract
An optical printhead for a medium including material that forms an optically visible spot in response to energy of a predetermined wavelength, the optical printhead includes a laser configured to impart energy of the predetermined wavelength to the material through a fixed-focus lens arrangement.
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Patent Inventor Names
Andrew L. Van Brocklin0
Darwin M. Hanks0
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US Patent 07728859 Optical printhead US Patent 7728859 Optical printhead
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Patent Number
07728859
Patent Number
7728859
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Official Website
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US Patent 07728859 Optical printhead
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Is a
Patent jurisdiction
Patent number
07728859
Date of patent
June 1, 2010
Patent application number
11236113
Date Filed
September 26, 2005
Patent primary examiner
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