Kvh Industries, Inc.

Robert C Randall

Martin Arend Kits Van Heyningen

A method and apparatus for performing range finding and a unique heads-up display for use in such apparatus are provided. Range finding is performed by viewing an object of known height at the location to which a range determination is being made through a transparent digital display on which a reticle is provided. The reticle is preferably in segments with the user adding or substracting segments from the reticle until its height matches that of the sighted image. A processor is provided to which the known height of the object is inputted, either by the user or from storage, with the processor determining range from this known height and the number of segments in the reticle. The range is displayed on the transparent display, permitting a user to simultaneously view both the object and the range indication.

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Westport, MA, United States of America

Robert C Randall