Overton G., Moreland C. Inside the Metal Detector

2nd edition. — Geotech, 2015. — 250 р. — ISBN: 978-0985834210.Inside the Metal Detector offers hard-to-find information on the technology behind metal detectors. The basics of induction and eddy currents are explained, plus the major categories of BFO, TR, motion VLF, and PI are covered. Included are hands-on experiments and complete metal detector projects in every category. A list of resources includes web sites, books, magazine articles, and patents.History of the Metal Detector.
The BFO Principle.
Designing a BFO Detector.
A Simple Probe That Works!
Induction & Coils.
Principles of Induction Balance.
Target Discrimination.
Transmit-Receive Detector.
Designing an IB Detector.
IB Coil Experiments.
Pulse Induction Principles.
Pulse Induction Designs.
Loose Ends.
Appendix: Air-Cored Coil Calculator.
Appendix: Resources.