Abstract: Infrared radiation fire detector, comprising a curved support surface and a plurality of infrared radiation sensors arranged on the support surface. Each sensor comprises a planar array of infrared radiation-sensitive elements, having a respective sight direction and a solid angle of view defined around the sight direction, which define a field of view associated to the sensor. The sight directions of the sensors intersect with one another at a central point and the sensors are spaced apart from one another by a given angular distance referred to the central point, the solid angles of view of the sensors having a same narrow width so that the fields of view of the sensors are non-intersecting with one another.

Abstract: Infrared radiation fire detector, comprising a curved support surface and a plurality of infrared radiation sensors arranged on the support surface. Each sensor comprises a planar array of infrared radiation-sensitive elements, having a respective sight direction and a solid angle of view defined around the sight direction, which define a field of view associated to the sensor. The sight directions of the sensors intersect with one another at a central point and the sensors are spaced apart from one another by a given angular distance referred to the central point, the solid angles of view of the sensors having a same narrow width so that the fields of view of the sensors are non-intersecting with one another.

Abstract: A method of detecting data relating to thermal energy radiated in a scene uses infrared radiation image processing. A sequential plurality of infrared radiation images of the scene are received that consist of at least two sequential series of images simultaneously detected from respective different points of sight (TC1, TC2), arranged in a predetermined geometrical relationship with respect to each other. Each of the images includes a pixel array, each pixel having a value which is representative of a pixel's fraction of the infrared radiation intensity associated with the array of the image. Successive images of the at least two sequential series of images are processed in order to determine a change in at least one thermal parameter that meets predetermined alarm criteria. An event in the environment is detected based on the change determined in the thermal parameter.

Abstract: A method of detecting data relating to thermal energy radiated in a scene uses infrared radiation image processing. A sequential plurality of infrared radiation images of the scene are received that consist of at least two sequential series of images simultaneously detected from respective different points of sight (TC1, TC2), arranged in a predetermined geometrical relationship with respect to each other. Each of the images includes a pixel array, each pixel having a value which is representative of a pixel's fraction of the infrared radiation intensity associated with the array of the image. Successive images of the at least two sequential series of images are processed in order to determine a change in at least one thermal parameter that meets predetermined alarm criteria. An event in the environment is detected based on the change determined in the thermal parameter.