Millimeter wave locating
First Claim
1. Area locating apparatus comprising,millimeter wave source means at an area to be located for radiating millimeter wave energy that penetrates fog and blowing snow,and millimeter wave camera means remote from said area responsive to said millimeter wave energy for providing a location signal representative of the location of said millimeter wave source means.
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Accused Products
Abstract
A system for landing aircraft during low visibility includes a number of millimeter wave sources in or near the runway light housings radiating millimeter wave beams along the runway. An airborne millimeter wave camera includes a millimeter wave lens that focuses the image of the millimeter wave sources upon a hemispherical detector array that provides signals processed to create an image of the millimeter wave sources corresponding substantially to the visible image perceived by a landing pilot when observing the runway light pattern during good visibility conditions.
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Citations
8 Claims
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1. Area locating apparatus comprising,
millimeter wave source means at an area to be located for radiating millimeter wave energy that penetrates fog and blowing snow, and millimeter wave camera means remote from said area responsive to said millimeter wave energy for providing a location signal representative of the location of said millimeter wave source means.
Specification