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Coordinate locating method and system

  • US 3,886,553 A
  • Filed: 03/15/1973
  • Issued: 05/27/1975
  • Est. Priority Date: 03/15/1973
  • Status: Expired due to Term
First Claim
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1. A system for locating a point constituting an emitter in a continuous functional space defined by at least a pair of parameters comprising, in combination, sensor means for receiving manifestations from said emitter, means for encoding said manifestations in terms of relative time delay differences between the manifestations derived from differEnt ones of said sensor means, and comparator means for comparing the time of arrival pattern of said manifestations with a catalog of stored manifestations corresponding to predetermined sets of relative time difference patterns of said manifestations corresponding to different reference points in said space and providing a discrete output manifestation corresponding to the coarse location of said point in terms of said reference points.

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