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US 4,734,789 AGranted
Editing copying machine
AssigneeXerox Corporation
InventorsCraig A. Smith, Thomas B. Wall, Robert L. Kurtz, Ruediger W. Knodt
Life of this patent
Estimating the term…
Abstract
An apparatus in which an altered copy of an original document is produced. An editing device associated with an electrophotographic printing machine changes the information in the original document and generates a signal indicative of the changes therein. A liquid crystal display overlays the original document. The areas selected for editing are indicated on the liquid crystal display.
Claims27
An apparatus for producing an altered copy of an original document;
- including:
- means for reproducing copies of an original document;
- means, located remotely from said reproducing means, for changing the information of the original document and generating a signal indicative of the changes in the original document, said changing means being adapted to support the original document with the information thereon visible;
- and
- means, operatively associated with said changing means and arranged to overlay the original document, for indicating the region of the original document being altered on the copy.
2 more elements
A copying system for reproducing a substantially identical or altered copy of an original document, including:
- an electrophotographic printing machine adapted to reproduce identical or altered copies of an original document;
- operator selectable means for changing the information of the original document and generating a signal indicative of the changes in the original document;
- and
- means, operatively associated with said changing means and arranged to overlay the original document, for indicating the region of the original document being altered on the copy.
1 more element
Dependencies are inferred from the claim text.