Patent ID: 9696117
Date: 2017-07-04
CPC Classifications: F41G,H01Q

Claim:
1. A sensor for a missile seeker, the sensor comprising: a primary, concave, reflector that is reflective to RF waves and to another kind of waves, but that includes a transmissive region, through which RF waves can pass; a secondary, convex, reflector that is reflective to RF waves but transmissive to the other kind of waves, and is arranged facing the primary reflector to further reflect RF waves reflected by the primary reflector through the transmissive region of the primary reflector; an RF detector for detecting RF waves, arranged on the opposite side of the primary reflector from the secondary reflector and arranged to detect the RF waves reflected by the secondary reflector through the transmissive region of the primary reflector; and a second detector, for detecting the other kind of waves, the second detector being arranged on the opposite side of the secondary reflector from the primary reflector and being arranged to detect the other kind of waves after they are reflected by the primary reflector and transmitted through the secondary reflector.