Invention Grant
- Patent Title: Scanner and system employing composite illumination
- Patent Title (中): 扫描仪和采用复合照明的系统
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Application No.: US11964082Application Date: 2007-12-26
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Publication No.: US08432584B2Publication Date: 2013-04-30
- Inventor: Chengwu Cui
- Applicant: Chengwu Cui
- Applicant Address: US KY Lexington
- Assignee: Lexmark International, Inc.
- Current Assignee: Lexmark International, Inc.
- Current Assignee Address: US KY Lexington
- Agent John Victor Pezdek
- Main IPC: H04N1/04
- IPC: H04N1/04
Abstract:
A scan module including an image sensor defining a scan field, at least one lamp positioned to illuminate at least a portion of the scan field, and a second light source positioned to provide illumination for the portion of the scan field.
Public/Granted literature
- US20090168122A1 Scanner and System Employing Composite Illumination Public/Granted day:2009-07-02
Information query
