Information broadcasting system
US7694325B2 · kind B2 · utility
2Cited by
14References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2002 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Sep 19, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R27/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The instant invention provides a system and method of broadcasting audio and visual information to a plurality of audio reproduction devices and visual display devices utilizing a plurality of control computers linked thereto by a communications network. The invention employs a plurality of pre-recorded digital audio files and corresponding visual representation thereof to allow a user to construct message sequences for broadcast with a minimum of system input. Furthermore, a user may specify a plurality of broadcast zones to broadcast audio and visual messages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.