OFDM signal transmission system, portable terminal, and e-commerce system
US7203158B2 · kind B2 · utility
125Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2001 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Apr 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention realizes electronic commerce by providing a reception section that receives product information and service information and a barcode formation section that forms a barcode based on the received information, displaying the barcode formed by the barcode formation section on a display section and allowing a barcode reader provided at a shop terminal, etc. to read this barcode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.