Communication system for receiving and transmitting data using an acoustic data channel
US7796978B2 · kind B2 · utility
44Cited by
88References
74Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | May 4, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/607
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is described a communication system in which data is received by and/or transmitted to a telecommunications apparatus using an acoustic data channel. In embodiments, the data is encoded within the audio track of a media broadcast or other public broadcast. The invention has particular, but not exclusive, relevance to a cellular communication system. There are also described acoustic position detection systems for determining the position of a telecommunications apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.