Communication system, communication terminal apparatus, wireless key apparatus and program
US7436798B2 · kind B2 · utility
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1References
24Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Dec 20, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication system that includes a communication terminal apparatus and a wireless key apparatus and in which wireless communication is possible. A first communication mode attempts a wireless connection in a first period in order to carry out a wireless communication between the communication terminal apparatus and the wireless key apparatus and a second communication mode carries out a wireless communication between the communication terminal apparatus and the wireless key apparatus in a second period longer than that of the connection mode of the wireless connected state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.