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Metal detector having target characterization and search classification

  • US 5,148,151 A
  • Filed: 06/20/1990
  • Issued: 09/15/1992
  • Est. Priority Date: 06/20/1990
  • Status: Expired due to Term
First Claim
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1. A target characterization display for a metal detector which produces a detection signal for objects in a region of the detector, comprising:

  • a first set of arrayed display segments each having first and second display states,a discrimination memory having respective storage locations therein corresponding to each of said display segments in said first set, each discrimination memory storage location corresponding to a unique signal parameter for metal detector targets and wherein the value stored in each of said discrimination memory storage locations controls the display state for the corresponding display segment,a second set of arrayed display segments each having first and second display states, said second set of display segments positioned proximate said first set of display segments and having a correspondence between the segments of said first set and said second set, anda target memory having respective storage locations therein for each of said display segments in said second set, wherein the values in said target memory storage locations are derived from phase detected signals and wherein the value in each of said target memory storage locations controls the display state for the corresponding display segment.

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