Intrusion detection and land vehicle identification device

Abstract

Abstract The device (201) comprises an optical system for focusing a narrow detection beam (203) of passive infrared radiation along a reference plane (U). A filter selects the spectral analysis band and at least one passive infrared detector is placed in the focal plane. The device also comprises a first system for analog processing and a second system for digital processing making it possible to reconstitute, according to a characteristic curve, at least the line of movement of vehicles. On this curve, each element turning off the line of movement assumes the form of an identifiable pulse. …<??>Application to identification of vehicles moving over a predetermined site. …<IMAGE>…

Inventors

• 👤 Serge Paturel
• 👤 François Magne

Bibliographic Details