Postage meter with coded graphic information in the indicia
US4835713A · kind A · utility
76Cited by
16References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1985 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Aug 6, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00717
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A postage meter is disclosed in which security information is encoded in the printed indicia. The information is encoded in a binary format which is transformed in a predetermined manner such that the information is retrievable by a special reader and decoding algorithm for obtaining the original binary format. The transformed indicia may be in one color or maybe multicolored.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.