System for information contextual distribution simultaneously in a public and individual mode
US7881662B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2006 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Dec 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The inventive information distributing system (1), in particular for railway stations or airports, comprises a control unit (5) delivering information items selected according to a first key value to a main distributor (3), a short-range communications relay (7) for establishing connections with mobile terminals (11, 13, 15). Said control unit comprises a relay interface and a control module carrying out a function of general distribution to the distributor, an inventory function for interacting with the terminals by storing state data received therefrom and by setting a second key value according to a state data sub-group and a particular distribution function for transmitting the information items selected according to the second key value to the terminals having the second sub-group state data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.