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:
Sep. 05, 1995
Filed:
Dec. 28, 1993
Andreas Schulz, Heidelberg, DE;
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
Device for measuring a position of a sheet edge on an outer cylindrical surface of a rotating cylinder, having at least one photoelectric scanner operating in accordance with the reflection principle, the photoelectric scanner being fixed to a location outside the cylinder and being connected to a control device for positioning a sheet, as well as being directed towards a sheet edge lying along a line formed on an outer cylindrical surface of the cylinder, and towards a label permanently formed in the outer cylindrical surface of the cylinder, the photoelectric scanner including a plurality of photoelectric receiver elements, and the label including a plurality of scanning tracks extending in a direction of movement of the sheet edge, each of the scanning tracks being associated with a respective one of the plurality of photoelectric receiver elements inside the photoelectric scanner, the label being covered by the sheet in a given measurement region.