Invention Grant
- Patent Title: Document illuminator with LED-driven phosphor
- Patent Title (中): 带有LED驱动荧光粉的文档照明器
-
Application No.: US11725860Application Date: 2007-03-20
-
Publication No.: US07864381B2Publication Date: 2011-01-04
- Inventor: Thomas R. Scott
- Applicant: Thomas R. Scott
- Applicant Address: US CT Norwalk
- Assignee: Xerox Corporation
- Current Assignee: Xerox Corporation
- Current Assignee Address: US CT Norwalk
- Agency: Fay Sharpe LLP
- Main IPC: H04N1/04
- IPC: H04N1/04

Abstract:
A scanning apparatus includes an illuminator for illuminating a portion of a document to be scanned. The illuminator includes at least one light source and an optical element positioned to redirect light emitted by the light source. A phosphor material is disposed to intercept at least a portion of the light redirected by the optical element. A photosensitive device is positioned to receive light reflected from the document for recording an image of the document.
Public/Granted literature
- US20080231911A1 Document illuminator with LED-driven phosphor Public/Granted day:2008-09-25
Information query