Communication method and communication system, and information receiving device used in the communication system
US7707570B2 · kind B2 · utility
14Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2005 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Apr 16, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/083
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A user machine is made aware of a need for communication to update a version of a firmware by communication from a service center (a notification that the latest version has been released). After shutting off this communication once, communication is carried out between the official service center and the user machine by the user machine commencing communication with the official service center, the contact information of which is stored, and the service center provides information for updating the new version to the user machine in this communication state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.