Portable electronic device to establish public loyalty to a medium or similar
US5297205A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1992 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Apr 23, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This device validates participation of an individual in an operation where coded information on an information bearing medium must be read. It comprises: an input interface, processing means comprising means of validation on the basis of said participation, which means being adapted to prevent said validation if a variable numeric value contained in said information coincides with variable numeric values previously held in memory; at least one memory inaccessible from said input interface and managed by said processing means in order to store in memory, for a predetermined period, information representative of said variable numeric values, and input interface for outward transmission from the device of an output code X representative of participations validated by the processing means, and electric power source for the various electric circuits in the device. It applications are in televised, radio, or other games.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.