Mobile network presence service
US9014675B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 3, 2007 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Sep 30, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/54
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A presence service is described that is particularly adapted for use by mobile telecommunications devices. Mobile devices operate as presentities that have one or more watchers. The watchers may themselves be mobile devices. The mobile devices can alternately be in or out of a display state. The display state corresponds to a state in which a user of the mobile device is accessing or is likely to access presence information of a different mobile device. A mobile device reports its state changes to a presence server when it has at least one watcher that is in the display state. If the mobile device has no watchers that are in the display state, and if the mobile device is not itself in the display state and watching other mobile devices, presence state reports from the mobile device are kept to a minimum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.