Editing copying machine
US4734789A · kind A · utility
37Cited by
11References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1987 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Feb 2, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/5016
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.