The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2007
Filed:
Dec. 01, 2004
Naoyo Gemma, Kawasaki, JP;
Naoyo Gemma, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet material detecting device for identifying the material of a sheet by utilizing an impact applied to the sheet has an impact applying unit which is supported to be rotatable and shiftable toward the sheet, and applies an impact onto the sheet, an impact receiving unit which is supported to be rotatable and shiftable in a state of being in contact with the sheet onto which the impact has been applied, arranged opposite the impact applying unit with a gap permitting the passage of the sheet in-between, and receives via the sheet the impact applied by the impact applying unit onto the sheet, and a signal output unit which outputs a signal in response to the impact applied onto the sheet.