Invention Grant
- Patent Title: Device for measuring sheet length and image forming apparatus
- Patent Title (中): 用于测量片材长度和图像形成装置的装置
-
Application No.: US11609730Application Date: 2006-12-12
-
Publication No.: US07688343B2Publication Date: 2010-03-30
- Inventor: Hidenori Sunada
- Applicant: Hidenori Sunada
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc IP Div
- Priority: JP2005-360654 20051214
- Main IPC: B41J2/435
- IPC: B41J2/435
Abstract:
A measuring device for measuring a length of a sheet includes a sheet-carrying unit for carrying a sheet, a reading unit having an area sensor and configured to repeatedly read the surface of the sheet from the leading end to the trailing end of the sheet while the sheet is being carried by the sheet-carrying unit, and a measuring unit for measuring the length of the sheet in the carrying direction on the basis of information regarding the sheet surface that is repeatedly read by the reading unit.
Public/Granted literature
- US20070133069A1 DEVICE FOR MEASURING SHEET LENGTH AND IMAGE FORMING APPARATUS Public/Granted day:2007-06-14
Information query
IPC分类:
