Patent ID: 6268822
Filing Date: 2001-07-31
Classification: F41G,F42B,G01S,H01Q

Abstract:
A tandem laser and millimeter wave receiver for a moving vehicle and for providing directional information of a target to a guidance system for the vehicle, comprising:a primary reflector including a peripheral region transparent to laser radiation and reflective to millimeter wave radiation;a secondary reflector reflective to millimeter wave radiation and arranged to receive and reflect millimeter waves reflected from the primary reflector;annular laser receiver means including a plurality of discrete laser receiver means arranged in a ring behind the peripheral region to receive laser radiation passing through the peripheral region;millimeter wave receiving means for receiving the millimeter waves reflected from the secondary reflector;processor means for receiving signals from the annular laser receiver means and the millimeter wave receiving means, and for generating therefrom target position signals; andmeans for fastening the primary reflector, the secondary reflector, the annular laser receiver means, the millimeter wave receiving means, and the processor means together within an envelope of the vehicle.