Stationary proximity wireless communication apparatus, portable proximity wireless communication apparatus, proximity wireless communication system and proximity wireless communication method
US9215004B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2013 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/023
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A stationary proximity wireless communication apparatus has an electromagnetic-wave transmitting and receiving part comprising a first indicator that indicates a zone to place a portable proximity wireless communication apparatus and an antenna that is installed in the zone to emit electromagnetic waves having directivity in a direction of a recommended optimum position suitable to place the portable proximity wireless communication apparatus in the zone from a position different from the recommended optimum position, and a wireless communication part configured to perform modulation and demodulation processes of electromagnetic waves transmitted and received at the antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.