4. Communications, electrical: acoustic wave systems and devices
  5. Distance or direction finding
  6. By combining or comparing signals

Robert L. Showen

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Automatic real-time gunshot locator and display system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals
Patent

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Weapon fire location systems and methods involving mobile...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With plurality of transducers
Reexamination Certificate

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Profile ID: LFUS-PAI-P-981483

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