Ultrasonic communication between devices
US9319096B1 · kind B1 · utility
4Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2014 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | May 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2201/70718
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Implementations generally relate to ultrasonic communication between devices. In some implementations, a method includes receiving a data signal, where the data signal is transmitted and received in an indoor environment. The method further includes demodulating the data signal based on direct sequence spread spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.