Method for operating an emergency call system, emergency call system
US9936366B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 9, 2016 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jun 9, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/029
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An emergency call system and a method for operating the emergency call system are provided. The emergency call system includes a mobile device and receiving stations. The mobile device has a radio module to transmit an emergency call and each of the receiving stations is configured as a router and has an alarm device and a radio module to receive the emergency call. The emergency call is transmitted from the mobile device to a first receiving station to trigger the alarm signal and a position of the mobile device relative to the receiving stations is determined. Depending on the position, only one of the receiving stations is selected to trigger the alarm signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.