System, portable terminal device, server, program, and method for viewing confirmation
US11062137B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Jan 14, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The system is for confirming that a user of a portable terminal device has viewed posted material in a plurality of places by visiting one of the posted places, the system including the portable terminal device and a server, the device including a portable-terminal control unit, a portable-terminal communication unit, an image capturing unit, a portable-terminal storage unit, and a position-information obtaining unit, the server including a server control unit, a server communication unit, and a server storage unit that stores authenticated images about the posted material in the individual posted places in association with position information of the posted places, wherein the portable-terminal control unit sends a viewing confirmation request including a viewed image, the normalization information, and the portable-terminal position information to the server by using the portable-terminal communication unit, and the server control unit determines whether the viewed image is valid on the basis of the request.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.