Apparatus, systems and methods for signal localization and differentiation
US9305442B1 · kind B1 · utility
2Cited by
1References
20Claims
0Family size
Inventors
Key dates
| Filing date | Sep 6, 2015 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Sep 6, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/181
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus, systems, and methods for providing transmission and localized reception of audio, visual, and tactile signaling are taught for a myriad of useful purposes, including embodiments that permit differentiation between selected groups of intended recipients to permit simultaneous use of multiple instances of this technology in close proximity, if desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.