Communication apparatus, program, communication method and communication system
US8369777B2 · kind B2 · utility
18Cited by
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9Claims
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Key dates
| Filing date | Jul 9, 2009 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Sep 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication apparatus including a first communication unit for communicating with other communication apparatus through electric field coupling or magnetic field coupling, an approach detection unit for detecting an approach between the other communication apparatus and the first communication unit, and a selection unit for, when the other communication apparatus and the first communication unit are separated from each other, selecting different data to be transmitted depending on a time for which the other communication apparatus and the first communication unit were in close proximity to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.