Messaging devices and methods
US8841989B2 · kind B2 · utility
0Cited by
12References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2013 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Feb 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/023
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An electronic messaging device includes a receiver configured to receive a message at one of a first operational frequency and second operational frequency. The messaging device can operate using a time synchronous protocol and can receive commands through over-the-internet-programming (OTIP) and over-the-air-programming (OTAP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.