Invention Grant
- Patent Title: Hard copy re-emission color measurement system
- Patent Title (中): 硬拷贝再发射色彩测量系统
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Application No.: US12501449Application Date: 2009-07-12
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Publication No.: US08125625B2Publication Date: 2012-02-28
- Inventor: Stephan Clark , Brett E Dahlgren
- Applicant: Stephan Clark , Brett E Dahlgren
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: G01N21/00
- IPC: G01N21/00

Abstract:
Hard copy re-emission color measurement system, comprising a light arrangement for emitting light onto a hard copy, a light detector arranged to detect light re-emitted by the hard copy, and a control circuit configured to process the detected re-emitted light. The light arrangement is arranged to separately and simultaneously emit a first light having wavelengths longer than an ultraviolet wavelength and a second light having wavelengths in the ultraviolet range. The light arrangement is provided with a light guide arranged to guide the first and second light on an at least partly overlapping region on a hard copy.
Public/Granted literature
- US20110007302A1 Hard copy re-emission color measurement system Public/Granted day:2011-01-13
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