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1. WO2013064642 - APPARATUS FOR MONITORING IN A MAGNETIC ENVIRONMENT AND METHOD ASSOCIATED THEREWITH

Publication Number WO/2013/064642
Publication Date 10.05.2013
International Application No. PCT/EP2012/071734
International Filing Date 02.11.2012
IPC
G01R 33/24 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
20involving magnetic resonance
24for measuring direction or magnitude of magnetic fields or magnetic flux
G01V 3/15 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
15specially adapted for use during transport, e.g. by a person, vehicle or boat
G01R 33/28 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
20involving magnetic resonance
28Details of apparatus provided for in groups G01R33/44-G01R33/6496
G01R 33/02 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
02Measuring direction or magnitude of magnetic fields or magnetic flux
CPC
G01R 33/007
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
007Environmental aspects, e.g. temperature variations, radiation, stray fields
G01R 33/0076
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
007Environmental aspects, e.g. temperature variations, radiation, stray fields
0076Protection, e.g. with housings against stray fields
G01R 33/072
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
02Measuring direction or magnitude of magnetic fields or magnetic flux
06using galvano-magnetic devices, e.g. Hall effect devices; using magneto-resistive devices
07Hall effect devices
072Constructional adaptation of the sensor to specific applications
G01R 33/24
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
20involving magnetic resonance
24for measuring direction or magnitude of magnetic fields or magnetic flux
G01R 33/288
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
20involving magnetic resonance
28Details of apparatus provided for in groups G01R33/44 - G01R33/64
288Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
Applicants
  • UNIVERSITE DE LORRAINE [FR]/[FR]
  • CENTRE HOSPITALIER REGIONAL DE NANCY [FR]/[FR]
Inventors
  • PASQUIER, Cédric
  • FELBLINGER, Jacques
  • JOVANOVIC, Slavisa
Agents
  • PONTET ALLANO & ASSOCIES
Priority Data
115991402.11.2011FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) APPARATUS FOR MONITORING IN A MAGNETIC ENVIRONMENT AND METHOD ASSOCIATED THEREWITH
(FR) APPAREIL DE SURVEILLANCE DANS UN ENVIRONNEMENT MAGNETIQUE ET PROCEDE ASSOCIE
Abstract
(EN) The invention relates to an apparatus (1) for monitoring exposure conditions to which an operator or machine situated in a magnetic environment is subjected. The apparatus (1) according to the invention includes a portable module (2) for measuring, at a plurality of known times t, indicative data including the three components of a magnetic field vector, a portable module (3) for determining the three components of a traveling speed vector, and calculation means (4) for estimating an induced current passing through the operator or machine from the magnetic field and traveling speed vectors. The invention likewise relates to a method implemented in the apparatus according to the invention.
(FR) La présente invention concerne un appareil de surveillance (1) de conditions d'exposition auxquelles est soumis un opérateur ou une machine situé dans un environnement magnétique. L'appareil (1) selon l'invention comprend : - un module portatif (2) de mesure, à plusieurs instants t connus, d'une donnée indicative comprenant les trois composantes d'un vecteur champ magnétique; - un module portatif (3) de détermination les trois composantes d'un vecteur vitesse de déplacement; et - des moyens de calcul (4) pour estimer un courant induit traversant l'opérateur ou la machine, à partir des valeurs de champ magnétique et de vitesse de déplacement. L'invention concerne également un procédé mis en œuvre dans l'appareil selon l'invention.
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