Patent attributes
An alarm system includes a detector arranged in connection with a holster for carrying a force instrument, the detector detecting, if the force instrument is removed from the holster; information on the situation is produced on the basis of the identification and relayed to the user's control room so that a message is relayed to the communication unit of the user of the force instrument, the communication unit relaying the message further to the control room via a base station. The detector is adapted to detect the existence of the force instrument in the holster, its missing from or its movement out of or into the holster. A detector-cpu is adapted to receive a signal or message from the detector and forms at least part of the contents of the message on the basis of the signal or message, the detector-cpu being adapted to control the communication unit to transmit the message.
