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1. (WO2018144993) ELECTROMAGNETIC NAVIGATION SYSTEM WITH MAGNETO-RESISTIVE SENSORS AND APPLICATION-SPECIFIC INTEGRATED CIRCUITS

Pub. No.:    WO/2018/144993    International Application No.:    PCT/US2018/016838
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Tue Feb 06 00:59:59 CET 2018
IPC: G01R 33/09
G01R 33/00
Applicants: BOSTON SCIENTIFIC SCIMED INC.
Inventors: KELLY, David W.
HEIN, Matthew
Title: ELECTROMAGNETIC NAVIGATION SYSTEM WITH MAGNETO-RESISTIVE SENSORS AND APPLICATION-SPECIFIC INTEGRATED CIRCUITS
Abstract:
A sensing apparatus includes a magneto-resistive (MR) sensing element for sensing magnetic fields and semiconductor circuitry including an output circuit coupled to the MR sensing element. The output circuit generates a sensing signal proportional to the sensed magnetic fields to be combined with a bias signal to the MR sensing element.