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公开(公告)号：US12189840B2
公开(公告)日：2025-01-07
申请号：US18402769
申请日：2024-01-03
Applicant: ELBIT SYSTEMS LTD.
Inventor： Ofer Marinov , Guy Mencel , Ofir Gabizon , Yuval Assaf
Abstract: A transfer-alignment system for a Head-Mounted Display (HMD), and a display coupled to the HMD, wherein the display is adapted to display images rendered by a display-processor, and wherein the HMD is monitored by a tracking system configured to provide information indicating position and/or orientation of the HMD with respect to a Frame of Reference (FoR), the system comprising: at least one first inertial sensor attached to the HMD and configured to acquire HMD's Inertial Readings Information (IRI); at least one second inertial sensor attached to the display and configured to acquire display's IRI; and a processor configured to: obtain the HMD's IRI, the display's IRI and the information indicating the HMD's position and/or orientation with respect to the FoR; continuously analyze movement information of the HMD and the display to determine relative orientation therebetween; and cause the display-processor to adjust the images to conform with respect to the FoR.
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公开(公告)号：US10095815B2
公开(公告)日：2018-10-09
申请号：US14249463
申请日：2014-04-10
Applicant: ELBIT SYSTEMS LTD.
Inventor： Ilan Efrat , Evgeni Gurovich , Guy Mencel , Yoav Ophir , Mark Gandelsman
Abstract: A system for mapping a magnetic-field in a volume-of-interest comprising a magnetic-field transmitter, generating a magnetic-field in the volume-of-interest, a freestanding magnetic-field detector operative to freely move within the volume-of-interest, a pose-information-acquisition-module and a processor. The detector acquires measurements of flux of the magnetic-field at a plurality of poses. The pose-information-acquisition-module measures information related to the pose of the detector. The processor determines pose-related-information respective of at least a portion of the measurements according to the information related to the pose of the detector. The processor estimates the entire set of parameters of a magnetic-field model template according to the magnetic-field flux measurement and the respective poses-related-information thereof. The processor incorporates the entire set of parameters into the magnetic-field model template, thereby determining the magnetic-field model. The entire set of parameters includes the coefficients, the order the number and location of the centers of expansion of the magnetic-field model.
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公开(公告)号：US12197639B2
公开(公告)日：2025-01-14
申请号：US18788191
申请日：2024-07-30
Applicant: ELBIT SYSTEMS LTD.
Inventor： Ofer Marinov , Guy Mencel , Ofir Gabizon , Yuval Assaf
Abstract: A transfer-alignment system for a Head-Mounted Display (HMD), and a display coupled to the HMD, wherein the display is adapted to display images rendered by a display-processor, and wherein the HMD is monitored by a tracking system configured to provide information indicating position and/or orientation of the HMD with respect to a Frame of Reference (FoR), the system comprising: at least one first inertial sensor attached to the HMD and configured to acquire HMD's Inertial Readings Information (IRI); at least one second inertial sensor attached to the display and configured to acquire display's IRI; and a processor configured to: obtain the HMD's IRI, the display's IRI and the information indicating the HMD's position and/or orientation with respect to the FoR; continuously analyze movement information of the HMD and the display to determine relative orientation therebetween; and cause the display-processor to adjust the images to conform with respect to the FoR.
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公开(公告)号：US20170115364A1
公开(公告)日：2017-04-27
申请号：US15398316
申请日：2017-01-04
Applicant: Elbit Systems Ltd.
Inventor： Ilan Efrat , Evgeni Gurovich , Guy Mencel , Yoav Ophir , Mark Gandelsman
IPC: G01R33/10
CPC classification number: G01R33/10 , G01R33/072
Abstract: System for mapping a magnetic-field including a magnetic-field-transmitter, a freestanding magnetic-field-detector operative to freely move within a volume of interest and acquire measurements of the flux of the magnetic-field at a plurality of poses, a pose-information-acquisition-module for measuring information related to the pose of the magnetic-field-detector and a processor, coupled with the magnetic-field-detector and with said pose-information-acquisition-module and determines pose-related-information respective of each of at least a portion of the magnetic-flux-measurements, according to said information related to the pose of said magnetic-field-detector, the processor further estimating the entire set of parameters of a magnetic-field-model-template according to the magnetic-flux-measurements and the respective pose-related-information the magnetic flux measurements, the processor incorporates the entire set of parameters into said magnetic field model template, thereby determining said magnetic field model, the entire set of parameters includes the coefficients, the order, the number and location of the centers of expansion of the model.
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