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* [[US7834621B2]] - Electromagnetic tracking employing scalar-magnetometer<ref>https://patents.google.com/patent/US7834621B2/en</ref>
* [[US7834621B2]] - Electromagnetic tracking employing scalar-magnetometer<ref>https://patents.google.com/patent/US7834621B2/en</ref>
* [[US7907701B2]] - Electromagnetic coil array integrated into antiscatter grid<ref>https://patents.google.com/patent/US7907701B2/en</ref>
* [[US7907701B2]] - Electromagnetic coil array integrated into antiscatter grid<ref>https://patents.google.com/patent/US7907701B2/en</ref>
+
* [[US8249689B2]] - Coil arrangement for electromagnetic tracking method and system<ref>https://patents.google.com/patent/US8249689B2/en</ref>
==References==
==References==