Automatic copier signature set production
US4727402A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 18, 1986 |
| Grant date | Feb 23, 1988 |
| Priority date | — |
| Expiry date | Dec 18, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00936
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Signature printing with an automatic duplexing copier by simultaneously presenting plural document sheets to the imaging station of the copier in a predetermined nonserial page order for producing a set of signature copy sheets suitable for subsequent center-folding into signature sets, by loading a normal serial set of document sheets into an automatic document reordering and presenting system (associated with the copier) which automatically reorders that set of document sheets into a predetermined nonserial reordered page order for signature pair page order "two-up" copying, and automatically presenting the pairs of automatically reordered document sheets to the imaging station of the copier to be copied in the reordered page order to provide collated page order signature sets automatically with the copier for on-line center-folding and finishing without requiring any manual reordering of either the document sheets or the signature copy sheets. The automatic reordering includes automatic 180.degree. rotation of alternate pairs of simplex document sheets to provide proper orientation of the document pages for the automatic duplex copier. The document sheets are either automaticall…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.