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:
Jan. 25, 2011
Filed:
May. 08, 2007
Yong-kon JO, Suwon-si, KR;
Yong-kon Jo, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An automatic document feeder of an image forming apparatus capable of improving a duplex scanning or printing (copying) efficiency includes a single scan path having a document admission passage to admit a document to a document scanning part and a document discharge passage to discharge the scanned document, a duplex scan path having a first document reversing and waiting passage diverged separately from the document discharge passage on the single scan path at the rear of the document scanning part to reverse the document, one surface of which is scanned, and admit the reversed document again to the document scanning part, and a document re-reversing path having a second document reversing and waiting passage diverged separately from the document discharge passage on the single scan path at the rear of the document scanning part to reverse the document, both surfaces of which are scanned, again and send the re-reversed document to the document discharge passage.