Network relay device, network connection confirmation method, and network
US8259589B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2010 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Aug 31, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/462
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network relay device is for receiving, from an external network relay device, connection confirmation information indicative of being in communication connection with the external network relay device. When the connection confirmation information is particular connection confirmation information indicative of being transmitted from a predetermined external network relay device, the network relay device provides return confirmation information to the predetermined external network relay device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.