Method of inhibiting token generation in an open metering system
US5625694A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Dec 19, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/0083
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method is provided for inhibiting the generation of digital tokens in an open metering system that includes a host processor and a vault. The method includes the steps of generating in the host processor a first digital token request that corresponds to a first destination identifier and a first postage amount; determining in the host processor if one of the first destination identifier and the first postage amount is different than a prior destination identifier and a prior postage mount, respectively, that correspond to an immediately preceding digital token request; sending the first digital token request to the vault when the first destination identifier and the first postage amount are different than the prior destination identifier and the prior postage amount, respectively; and rejecting the first digital token request when the first destination identifier and the first postage amount are the same as the prior destination identifier and the prior postage amount, respectively. The method includes the further steps of notifying a user when the first destination identifier and the first postage amount are the same as the prior destination identifier and the prior postage amou…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.