A safety/anti-theft alarm device designed to be installed in lorries, that emits a sound when either the fuel tank or batteries of the vehicle are handled with the intention of being stolen, such that the manipulation or theft of the aforementioned element...

A highly versatile intrusion detection device for spaces in general and for vehicles in particular, comprising at least one intrusion detection sensor (1) of the ultrasound type with an asymmetric emission lobe (2) that operates in echo mode.

A motion detector comprising a transmitter (3), arranged to transmit ultrasonic waves into a defined space, where a receiver (9) is arranged to receive said waves after reflection. The motion detector comprises a detector arrangement (10, 11, 12, 13, 14, 1...

A loudspeaker (2) emits a broad band acoustic signal that is reflected around the interior of the vehicle and is received by a microphone (1). A signal signature is obtained when the vehicle is empty of people and is used as a reference. This is compared t...

The monitoring system works on infrared and/or ultrasound basis and has module (2) with transmitter and receiver, connected to an evaluator. The module is connected adjustable to a carrier part, so as to be moveable from a rest position mainly within the o...

A monitoring system, in particular provided for motor vehicles, comprises at least one sensor, in particular provided as a radar unit, which emits pulse-like radar signals and receives radar signals reflected in an area to be monitored, which are used to d...

System and method for monitoring an enclosed space defined by walls, in particular the interior of a motor vehicle, with a sound source for generating sound waves in the space, a sound receiver for receiving the sound waves in the space, and a measurement ...