Invention Grant
- Patent Title: Low profile illumination for direct part mark readers
- Patent Title (中): 用于直接零件标记读取器的低调照明
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Application No.: US11019763Application Date: 2004-12-21
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Publication No.: US07823789B2Publication Date: 2010-11-02
- Inventor: Laurens Nunnink
- Applicant: Laurens Nunnink
- Applicant Address: US CA Mt. View
- Assignee: Cognex Technology and Investment Corporation
- Current Assignee: Cognex Technology and Investment Corporation
- Current Assignee Address: US CA Mt. View
- Agent Michael A. Jaskolski
- Main IPC: G06K7/10
- IPC: G06K7/10
Abstract:
An industrial reader is provided with an image formation system that is particularly adapted to read bar codes and two-dimensional symbols marked directly on objects. The image formation system includes illumination sources and illumination transmissive components that produce a combination of bright field and dark field illumination.
Public/Granted literature
- US20060131419A1 Low profile illumination for direct part mark readers Public/Granted day:2006-06-22
Information query
