Letter mail address block locator system
US4845761A · kind A · utility
26Cited by
13References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1987 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Apr 17, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/145
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A system (14) for locating possible address information contained in a window area of a mail item (40) is provided. System (14) includes a source of illumination (60) and detectors (62) for sensing the reflectivity of the mail item (40). Circuitry (34) is provided for measuring the reflectivity from the mail item (40). Circuitry (36) is provided for determining the presence of a window on the mail item (40) and the coordinates of the detected window. Circuitry (26) is provided for selecting address information contained within a window located by the window detect circuitry (36).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.