Commissariat a L'energie Atomique

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Commissariat a L'energie Atomique, Etablissement Public a Caractere Industriel Et Commercial

Bubendorff, Societe Anonyme

Roland Blanpain

Bruno Flament

Franck Vial

Viviane Cattin

Patrick Le Masson

Alexis Le Goff

Francois Favre-Reguillon

Gilles Delapierre

Marc Beranger

Dominique David

Laurent Jouanet

Bernard Guilhamat

Andréa Vassilev

Jacques Pocachard

Malvina Billeres

Gilles Dassot

Mikaël Carmona

Gerard Evreux

Jérôme Doutaz

Alain Bouvier

Andre Dumont

Francis Robach

Jean-Charles Vidal

Dominique Jacquin

Claude Jauffret

Antoine Robinet

Bertrand Sichler

François Favre-Reguillon

Gérard Evreux

The method for instrumenting a container, especially intended to receive an assortment of materials, capable of being set moving in a preset coordinate system, said method comprises the following steps: placing at least one communicating element in the container on an internal surface of the container; and tracking the location of each communicating element over time in the preset coordinate system.

Method for instrumenting a container intended to be set moving in particular in order to mix an assortment of materials

An apparatus for measuring speed of movement of an object deforming lines of Earth's magnetic field includes a first and second magnetometer disposed on either side of a traffic roadway for the object and substantially perpendicular to the object. The magnetometers are configured for measuring deformation of Earth's magnetic field by the object travelling over the roadway. The apparatus also includes a processing unit configured for extracting, from each of the magnetometers, a measurement value corresponding to a quotient defined by a distance of the object with respect to the magnetometer divided by a speed of movement of the object, and for calculating a speed of the object from the measurement values and a geometrical disposition of the magnetometers with respect to one another and with respect to the traffic roadway.

Device for measuring the speed of displacement of an object deforming the lines of the terrestrial magnetic field

This method of converting a displacement of a magnetic object into a signal directly perceptible by a human being, comprises: &#x2014;the acquisition () of a temporal succession of measurements of a magnetic field modified by the displacements of the object during a sliding time window of predetermined duration, &#x2014;the construction () on the basis of this acquired temporal succession of measurements of several signals each representing a characteristic of the measured magnetic field dependent on a corresponding characteristic of the displacement of the object, and &#x2014;the adjustment () of several parameters of the directly perceptible signal as a function of the signals so as to render these characteristics directly perceptible.

Method and apparatus for converting a displacement of a magnetic object into a directly perceptible signal, instrument incorporating this apparatus

Cyclic motion of a ferromagnetic part in an environment made noisy by at least one electric source with an A.C. component is measured using at least one first magnetometer sensitive to the moving part and a sensor of an image of current in the electric source. An estimate is calculated of noise linked to the electric source on a signal measured by the first magnetometer and then subtracted from the measured signal.

Measurement of a cyclic motion of a ferromagnetic part

A system for measuring a variation in a distance of an axis of rotation of an object relative to a point in a plane perpendicular to this axis comprises at least two sensors for measuring a value representing an angular position of said object about said axis, at least a first of said sensors, whose position is fixed relative to said point, comprising a magnetometer suitable for measuring the magnetic field generated by said object whose magnetization varies around its circumference; and means for determining said variation of distance on the basis of a variation in an angular deviation between said sensors relative to the axis, from one revolution of said object to the next.

Measuring vibration in a rotating element

A method for localizing a person in surroundings equipped with fixed electrical appliances includes measuring an electromagnetic field radiated by one or more of these fixed electrical appliances with a magnetometer carried by the person, identifying a fixed appliance operating near the magnetometer by comparing the measured field with pre-recorded magnetic signatures. Each pre-recorded magnetic signature is associated with an electrical appliance present in the surroundings. The person is then localized at least in part based on pre-recorded items of information that correspond to localization, in the surroundings, of the fixed electrical appliance as identified by its magnetic signature.

Method and system for locating a person and medium comprising instructions for performing the method

This method for determining a person's activity in surroundings equipped with electrical appliances that are switchable, in response to a command from the person, between an 'on' mode and an 'off' mode, wherein the method comprises:

Method and system for determining the activity of a person, recording medium for this method

This method for detecting a magnetic disturber method comprises:

Magnetic-disturber detection method and detector, object-localizing method and system, recording medium for these methods

The main object of the present invention is a device for detecting a relative position of a first element () having a main mechanical function and a second element, including an electric circuit () the opening and closing of which respectively correspond to a first and a second position of the first and second elements with respect to each other, wherein at least the first element is part of the electric circuit (). An object of the present invention is also a monitoring installation comprising such detecting devices.

Device for detecting the relative position of two elements via electric circuit section having mechanical function in at least one of the elements

A stride monitoring device that can be used particularly for sports applications and that includes a pair of shoes, one of which includes at least one magnetic mass, and the other includes at least a measurement device to make at least one measurement, and a processor for processing of the measurement. The measurement device includes at least one accelerometer and at least one magnetometer capable of outputting signals that can be processed to determine stride parameters.

Stride-monitoring device

A system for measuring a magnetic signature of a vehicle, including: at least a first set of sensors (C) that are stationary and arranged along at least a first direction; at least a second set of sensors (C) that are stationary and arranged along at least a second direction that intersects the first direction; a common sensor (C) arranged at a location where the first set of sensors and the second set of sensors intersect, said common sensor belonging to the first and the second sets of sensors, wherein the first set of sensors and the second set of sensors are arranged so that the vehicle passes above at least part of the sensors of the first and second set of sensors; and a calculation device for calculating a relation between a time signature S(t) of the vehicle passing above the common sensor and a spatial profile S(x) resulting from measurements made by the first set of sensors.

Magnetic traffic control system

Sports ball, and more generally a pneumatic object with at least one internal pressure sensor () of said ball, automatic inflator (), capable of compensating for a decrease in the internal pressure, this inflator having at least one gas micro-generator, said at least one micro-generator being capable of being actuated when the pressure sensor () measures an internal pressure below a predetermined threshold.

Sports ball comprising automatic inflation means and method to manage the internal pressure of such a ball

A set of sensors is placed on a form (a curve or a surface), wherein each sensor supplies representative signals of the orientation of the form at the position of this sensor; a model of the form is selected; based on the signals, the parameters of the model are determined and the distances which separate the sensors are measured; and, based on the parameters of the model and the distance measurements, the spatial distribution of the points of the form are determined.

Process and acquisition device of a deformable geometrical form

A device for the detection of movement of a valuable object, for example in a museum in which a device for detecting at least a rotation of the object, and particularly magnetometers or inclinometers, are mechanically fixed to the object. These detecting devices are coupled to a message transmission device that sends a presence message as long as detection has not taken place and an alert type message when detection has taken place. A monitoring station processes these messages or the absence of these messages, to trigger an alert if necessary.

Microsystem using magnetometer and inclinometer for anti-theft protection of valuables

A process for determining the position of a moving object, by the following steps: scalar measurements are acquired by a set of sensors all installed on the same site, at a position known at each instant; the trajectory of the object is determined approximately by a model; the measurements output from each sensor are combined to obtain spatial gradient measurements representative of the vector electromagnetic disturbance of the moving object; a vector of parameters characteristic of the model is estimated as a function of gradient measurements and as a function of the position of the sensors; and the position of the object is determined as a function of the position of the sensors and the parameters vector.

Growing community of inventors

Entre-Deux-Guiers, France

Roland Blanpain