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:
May. 20, 2014
Filed:
Mar. 08, 2012
Hiroko Ishikawa, Handa, JP;
Hiroko Ishikawa, Handa, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
A sheet feeding apparatus, including: a sheet feeding mechanism; a sheet sensor for detecting, as a detection value, a physical quantity related to a fed sheet; a physical-quantity judgment section for judging whether the detection value falls within a predetermined range; an another-sheet judgment section for judging whether there is another sheet after a sheet to be judged by the physical-quantity judgment section; and a double-feeding judgment section for judging that double feeding has occurred when the physical-quantity judgment section judges that the detection value does not fall within the predetermined range and when the another-sheet judgment section judges that there is another sheet, and judging that the double feeding has not occurred when the physical-quantity judgment section judges that the detection value does not fall within the predetermined range and when the another-sheet judgment section judges that there is no another sheet.