Detector and Methods of Detecting

摘要

An ultrasonic detector suitable for mounting in a position for surveying an area for a source of airborne ultrasound, which detector comprises a sensor for detecting an ultrasonic sound signal, characterised by a transducer configured to produce a broadband ultrasonic sound signal for reception by said sensor enabling said ultrasonic detector to perform a self-test.

主权项

1. An ultrasonic detector suitable for mounting in a position for surveying an area for a source of airborne ultrasound, which detector comprises:
a plurality of sensors for detecting an ultrasonic sound signal, each sensor of said plurality of sensors comprising a sensing face; a housing comprising a convex external surface; wherein said plurality of sensors is arranged on said convex external surface so that each sensing face is oriented in a direction different to every other sensing face.