Inventor
ASHE WESTLEY S
US13 patents
⚠️ This page may combine multiple inventors who share the name “ASHE WESTLEY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASCENSION TECH CORP
5 patentsUS6246231B1Jun 12, 2001
Magnetic field permeable barrier for magnetic position measurement system
ASCENSION TECH CORP366 citations97
US5767669AJun 16, 1998
Magnetic field position and orientation measurement system with dynamic eddy current rejection
ASCENSION TECH CORP410 citations97
US8994366B2Mar 31, 2015
Magnetically tracked sensor
ASCENSION TECH CORP20 citations91
US9603548B2Mar 28, 2017
System and method for magnetic position tracking
ASCENSION TECH CORP2 citations71
US9360294B2Jun 7, 2016
Magnetic sensors
ASCENSION TECH CORP3 citations71
NORTHERN DIGITAL INC
5 patentsUS11076511B2Jul 27, 2021
Self-contained electromagnetic tracking unit
NORTHERN DIGITAL INC3 citations65
US12274515B2Apr 15, 2025
Electromagnetic position measurement system with sensor parasitic loop compensation
NORTHERN DIGITAL INC0 citations61
US11612086B2Mar 21, 2023
Self-contained electromagnetic tracking unit
NORTHERN DIGITAL INC0 citations55
US11397220B2Jul 26, 2022
Distortion correction for tracking an object in a magnetic field
NORTHERN DIGITAL INC0 citations50
US12178564B2Dec 31, 2024
Electromagnetic tracking and position measurement system having interference reduction from nearby instrumentation by filtering time-division multiplexed signal via step function
NORTHERN DIGITAL INC0 citations49
ASCENSION TECH CORPORATION
3 patentsUS11187823B2Nov 30, 2021
Correcting distortions
ASCENSION TECH CORPORATION2 citations71
US11883115B2Jan 30, 2024
Electromagnetic position measurement system with sensor parasitic loop compensation
ASCENSION TECH CORPORATION1 citations59
US10620335B2Apr 14, 2020
Rotating frequencies of transmitters
ASCENSION TECH CORPORATION0 citations36