An alarm detector and system comprising a mobile device and an alarm detector, and methods for determining a location of a mobile device within a building

摘要

The invention relates to an alarm detector (10), in particular smoke detector and / or burglary alarm, with a device (12) for wireless transmission of radio signals, wherein the device (12) is adapted for the wireless transmission of radio signals, at predetermined time intervals as a radio signal broadcasting Message (30), the broadcast message (30) containing at least one identifier (32) identifying the alarm (10), preferably one-to-one. The invention further relates to a system comprising a mobile device (56) and at least one alarm detector (10) arranged in a building (50) and a method for determining a position of a mobile device (56) within a building (50).