Messaging devices and methods
US11412402B2 · kind B2 · utility
0Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Apr 29, 2040 |
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 added to a message distribution group comprising a plurality of existing messaging devices. A test communication can be sent through a coupling to test an operation of the messaging device and confirming the addition of the messaging device to the message distribution group without communicating with the existing messaging devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.