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:
Feb. 24, 2004
Filed:
Dec. 30, 2002
David Brian Tratar, Dearborn, MI (US);
Unisys Corporation, Blue Bell, PA (US);
Abstract
A system and method for feeding and transporting documents are provided. The system includes a feeder stage including a hopper, a feeder and a separator. The hopper includes a hopper wall extending toward the feeder with a waterfall step along the hopper wall and with the stack of documents engaging the hopper wall including the waterfall step to form a pocket area over a limited distance extending from the waterfall step along the hopper wall toward the feeder. A photo edge detector located in the pocket area faces the stack of documents such that when a feeding document trailing edge passes the waterfall step, the trailing edge is detected by the photo edge detector while in the pocket area. The system further includes a transport stage downstream of the feeder stage for receiving the fed documents.