Interactive privilege supply system
US8700454B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2003 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Apr 30, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An interactive privilege supply system in which a user terminal device, a privilege supply device, and a product supply device are connected via a network, wherein the product supply device generates privilege data in which a privilege is interlocked with time; the user terminal device generates entry data within a predetermined period of time in accordance with the privilege data and with contingency data, which is contained in program data transmitted from the privilege supply device; and the privilege supply device generates result data, which contains validity period information about product privilege purchase, in accordance with the relationship between the contingency data and the entry data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.