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Auto nulling of induction balance metal detector coils
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Ground eliminating metal detector
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Truncated half-sine methods for metal detectors
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Dual field search coil for pulse induction metal detectors
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Metal detection methods and apparatus wherein a numeric representation of the sense signal and a noise contribution to the sense signal are produced
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Detector for non-ferrous metals with reduced false positive responses
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Metal detector having a plurality of phase delay discrimination regions with corresponding selectable exception spaces therein
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Metal detector employing static discrimination
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Pulse induction metal detector having high energy efficiency and sensitivity
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Method and apparatus for distinguishing metal objects employing multiple frequency interrogation
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Metal detector target identification using flash phase analysis
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Plural frequency method and system for identifying metal objects in a background environment using a target model
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Plural Frequency method and system for identifying metal objects in a background environment
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Tube placement verifier system
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Pulse induction metal detector
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Metal detector with bivariate display
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Walk-through metal detector
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Static charge dissipating housing for metal detector search loop assembly
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Metal detector with microprocessor control and analysis
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Metal detector with circuits for automatically screening out the effects of offset and mineralized ground
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