Method and system for providing coupon
US10798428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2015 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Sep 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/83
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method to improve convenience for providing a coupon with the use of a spatial or temporal modulation component added to light that can be captured while a service is being used. Provided is a method for providing a coupon by using a terminal device and at least one server configured to provide a service to the terminal device, the method includes capturing light while the service is being used, transmitting key information based on a spatial or temporal modulation component of the light to the server, and receiving coupon information related to the service transmitted from the server by using the terminal device; and receiving the key information from the terminal device and issuing the coupon information in accordance with the key information by using the server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.