发明名称 Multi-sheet feed detection system
摘要 A multi-sheet feed detection system comprises a photosensor configured to receive light emitted in a non-visible spectrum by a transmitter through at least one sheet, and a detection module configured to detect a multi-sheet feed condition based on an amount of non-visible light received by the photosensor.
申请公布号 US7401778(B2) 申请公布日期 2008.07.22
申请号 US20050259188 申请日期 2005.10.25
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 ROBERTS TROY
分类号 B65H7/02 主分类号 B65H7/02
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