Proof of postage digital franking
US6009417A · kind A · utility
39Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1999 |
| Grant date | Dec 28, 1999 |
| Priority date | — |
| Expiry date | Mar 16, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00967
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A proof-of-postage generating system wherein funds, application of those funds, the replenishment of those funds and the auditing of those funds are secure against attempts at fraud. The system may either be a Closed System (CS) wherein the proof-of postage printing means are housed within the system computational means or within a cryptographically secure boundary. Further, the system my be an Open System (OS) wherein the proof-of postage printing means are external to the system computational means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.