Abstract: A method for processing a raw image characterized by first Pix1(i,j) and second Pix2(i,j) raw measurements collected by first Bol1(i,j) and second Bol2(i,j) bolometers of a set of bolometers Bol(i,j) of a detector, the first bolometers Bol1(i,j) being closed off, the method being executed by a computer on the basis of reference measurements PixREF(i,j) that include first Pix1REF(i,j) and second Pix2REF(i,j) reference measurements associated with the first Bol1(i,j) and with the second Bol2(i,j) bolometers, the method including: a) a correlation step between the first raw measurements Pix1(i,j) and the first reference measurements Pix1REF(i,j); and b) a step of correcting the raw image, which includes computing corrected measurements PixCor(i,j) of a corrected image for each bolometer Bol(i,j) on the basis of the reference measurements PixREF(i,j) and of the result of step a).

Abstract: A method for processing a raw image characterized by raw measurements Sp(i,j) that are associated with active bolometers Bpix_(i,j) of an imager, which bolometers are arranged in a matrix array, the imager being at an ambient temperature Tamb and furthermore comprising blind bolometers Bb_(k), the method, which is executed by a computer that is provided with a memory, comprising the following steps: a) a step of calculating the electrical resistances RTc(i,j) and RTc(k), at the temperature Tamb, of the active and blind bolometers, respectively, from their respective electrical resistances RTr(i,j) and RTr(k) at a reference temperature Tr, said resistances being stored in the memory; b) a step of determining the temperatures Tsc(i,j) actually measured by each of the active bolometers Bpix_(i,j) from the electrical resistances calculated in step a) and from the raw measurements Sp(i,j).

Abstract: A method for processing a raw image characterized by first Pix1(i,j) and second Pix2(i,j) raw measurements collected by first Bol1(i,j) and second Bol2(i,j) bolometers of a set of bolometers Bol(i,j) of a detector, the first bolometers Bol1(i,j) being closed off, the method being executed by a computer on the basis of reference measurements PixREF(i,j) that include first Pix1REF(i,j) and second Pix2REF(i,j) reference measurements associated with the first Bol1(i,j) and with the second Bol2(i,j) bolometers, the method including: a) a correlation step between the first raw measurements Pix1(i,j) and the first reference measurements Pix1REF(i,j); and b) a step of correcting the raw image, which includes computing corrected measurements PixCor(i,j) of a corrected image for each bolometer Bol(i,j) on the basis of the reference measurements PixREF(i,j) and of the result of step a).

Abstract: A method for processing a raw image characterized by raw measurements Sp(i,j) that are associated with active bolometers Bpix_(i,j) of an imager, which bolometers are arranged in a matrix array, the imager being at an ambient temperature Tamb and furthermore comprising blind bolometers Bb_(k), the method, which is executed by a computer that is provided with a memory, comprising the following steps: a) a step of calculating the electrical resistances RTc(i,j) and RTc(k), at the temperature Tamb, of the active and blind bolometers, respectively, from their respective electrical resistances RTr(i,j) and RTr(k) at a reference temperature Tr, said resistances being stored in the memory; b) a step of determining the temperatures Tsc(i,j) actually measured by each of the active bolometers Bpix_(i,j) from the electrical resistances calculated in step a) and from the raw measurements Sp(i,j).

Abstract: The invention relates to a method for processing raw measurements collected by bolometers of a detector, the method comprising: a) a calculation of masked terms, the calculation consisting in subtracting from the raw measurement of each masked bolometer of a given column the mean value of the raw measurements of the masked bolometers of the said column; b) a correlation between the masked terms and calibrated components of the masked bolometers, determined according to the relation: S_mask ? _cal ? _ ? ( i , j ) = S_mask ? _ref ? _ ? ( i , j ) - 1 n ? ? k = 1 n ? ? S_mask ? _ref ? _ ? ( k , j ) the terms being masked bolometer reference measurements obtained at a reference temperature and by masking the detector with a mask; c) a step of correcting the raw image which comprises the calculation of corrected measurements of a corrected image for each bolometer on the basis of the result of the correlation step b).

Abstract: An optical chamber for a gas detection device, which includes reflecting device for reflecting radiation issued from a radiation source and for redirecting the radiation toward a radiation detector, the reflecting device including a first series of adjacent mirrors and a second series of adjacent mirrors. The mirrors of the first series and the mirrors of the second series are of the truncated ellipsoid of revolution type. The first series of mirrors and the second series of mirrors are arranged relative to each other so that the radiation emitted by the radiation source is reflected alternatively by a mirror of the second series and by a mirror of the first series and defines an optical path extending from the radiation source to the radiation detector.

Abstract: An optical chamber for a gas detection device, which includes reflecting device for reflecting radiation issued from a radiation source and for redirecting the radiation toward a radiation detector, the reflecting device including a first series of adjacent mirrors and a second series of adjacent mirrors. The mirrors of the first series and the mirrors of the second series are of the truncated ellipsoid of revolution type. The first series of mirrors and the second series of mirrors are arranged relative to each other so that the radiation emitted by the radiation source is reflected alternatively by a mirror of the second series and by a mirror of the first series and defines an optical path extending from the radiation source to the radiation detector.

Abstract: A detection system that includes an emitter, a power supply source, a receiver, a detector, and a processor. The emitter includes a light-emitting diode that emits a luminous signal. The power supply source applies a constant voltage to the light-emitting diode. The receiver senses the luminous signal emitted by the light-emitting diode and generates a first input signal representative of the luminous signal detected. The detector measures the current passing through the light-emitting diode and generates a second input signal representative of the current measured. The processor is connected to the receiver and provides an output signal as a function of the first input signal and of the second input signal.

Abstract: The invention concerns a detection device including a photodiode (Ph) designed to capture a luminous signal to transform it into a current (Iph) and including first and second terminals, a transimpedance amplifier circuit connected between the first terminal and the second terminal of the photodiode (Ph) and designed to amplify the current (Iph) coming from the photodiode (Ph). The transimpedance amplifier circuit includes a plurality of operational amplifiers (AOP1, AOP2, AOP3) connected in parallel and a gain resistor (Rgain) common to all the connected amplifiers.

Abstract: The invention concerns a detection device including a photodiode (Ph) designed to capture a luminous signal to transform it into a current (lph) and including first and second terminals, a transimpedance amplifier circuit connected between the first terminal and the second terminal of the photodiode (Ph) and designed to amplify the current (lph) coming from the photodiode (Ph). The transimpedance amplifier circuit includes a plurality of operational amplifiers (AOP1, AOP2, AOP3) connected in parallel and a gain resistor (Rgain) common to all the connected amplifiers.

Abstract: The invention relates to a detection system comprising: an emitter (1) comprising a light-emitting diode (DEL) able to emit a luminous signal and a power supply source (A) designed to apply a constant voltage (VDEL) to the light-emitting diode (DEL), a receiver (2) intended to sense the luminous signal emitted by the light-emitting diode and designed to generate a first input signal (Sin1) representative of the luminous signal detected, means for measuring the current (IDEL) passing through the light-emitting diode (DEL) and intended to generate a second input signal (Sin2) representative of the current (IDEL) measured, processing means (3) connected to the receiver (2) to provide an output signal (Sout) as a function of the first input signal (Sin1) and of the second input signal (Sin2).

Abstract: An electrical switching device that can be employed in a sliding button, a rotating button, in a position switch, or an impact sensor. This device includes: a permanent magnet creating a magnetic field and a microswitch controlled between at least two states, by being aligned along two different orientations of field lines of the magnetic field of the permanent magnet. The microswitch and the permanent magnet are fixed relative to one another and a movable ferromagnetic part is moved between two positions so as to act on the orientation of the field lines generated by the permanent magnet so as to impose on the microswitch one or other of its two states.

Abstract: The present invention relates to a control device (1, 1?) of an electrical circuit comprising: a microswitch (2, 2?) comprising a moving element that can be driven by magnetic effect between a first stable state and a second stable state to control the electrical circuit, a fixed permanent magnet (10, 10?), a moving permanent magnet (11, 11?) that can be actuated between a first position, in which it forms, with the fixed permanent magnet (10, 10?), a substantially uniform permanent magnetic field (B0) holding the moving element in the first state or the second state, and a second position in which it is able to control the switchover of the moving element from one state to the other, an excitation coil (4) able to create a temporary magnetic field (Bb) able to cause the moving element to switch over from one state to the other when the moving permanent magnet (11, 11?) is in the first position.

Abstract: A device for detecting three states, namely ‘on’, ‘off’ and ‘triggered’ of an electric circuit breaker. The device includes a mobile magnetic device, movable between three positions corresponding to the three states of the circuit breaker, and at least one permanent magnet generating a magnetic field provided with magnetic field lines for driving two DIP switches via the magnetic effect. In each of the magnetic device's positions, the two DIP switches are controlled in either an open or closed position to form a specific combination representing one of the three states of the circuit breaker.

Abstract: An electrical switching device including a plurality of magnetic microswitches organized in a matrix on a substrate and each includes a mobile element driven between two stable positions held under the effect of a magnetic field, the device being characterized in that it includes a network of crossed conducting lines, wherein magnetic microswitches are positioned near to intersections formed by the conducting lines. The passage of an electrical current, through two conducting lines commands a change in position of the mobile element of the magnetic microswitch situated at the intersection of the two conducting lines.

Abstract: A microsystem, including a magnetic microactuator, with a mobile element supported by a substrate and controlled by magnetic effect between a first position and a second position for switching at least one electric circuit. A permanent magnet or a solenoid subjects the mobile element to a first uniform magnetic field to hold the mobile element in the first position. An energizing coil external to the substrate, on energizing, subjects the mobile element to a second magnetic field to move the mobile element from the first position to the second position, the energizing coil being of solenoid type and surrounding the substrate supporting the mobile element.

Abstract: An electrical switching device that can be employed in a sliding button, a rotating button, in a position switch, or an impact sensor. This device includes: a permanent magnet creating a magnetic field and a microswitch controlled between at least two states, by being aligned along two different orientations of field lines of the magnetic field of the permanent magnet. The microswitch and the permanent magnet are fixed relative to one another and a movable ferromagnetic part is moved between two positions so as to act on the orientation of the field lines generated by the permanent magnet so as to impose on the microswitch one or other of its two states.

Abstract: A device for detecting three states, namely ‘on’, ‘off’ and ‘triggered’ of an electric circuit breaker. The device includes a mobile magnetic device, movable between three positions corresponding to the three states of the circuit breaker, and at least one permanent magnet generating a magnetic field provided with magnetic field lines for driving two DIP switches via the magnetic effect. In each of the magnetic device's positions, the two DIP switches are controlled in either an open or closed position to form a specific combination representing one of the three states of the circuit breaker.

Abstract: The present invention relates to a control device (1, 1?) of an electrical circuit comprising: a microswitch (2, 2?) comprising a moving element that can be driven by magnetic effect between a first stable state and a second stable state to control the electrical circuit, a fixed permanent magnet (10, 10?), a moving permanent magnet (11, 11?) that can be actuated between a first position, in which it forms, with the fixed permanent magnet (10, 10?), a substantially uniform permanent magnetic field (B0) holding the moving element in the first state or the second state, and a second position in which it is able to control the switchover of the moving element from one state to the other, an excitation coil (4) able to create a temporary magnetic field (Bb) able to cause the moving element to switch over from one state to the other when the moving permanent magnet (11, 11?) is in the first position.

Abstract: The invention relates to a microsystem, comprising a magnetic microactuator (2, 2?), with a mobile element supported by a substrate (3) and controlled by magnetic effect between a first position and a second position for switching at least one electric circuit, whereby a permanent magnet or a solenoid subjects the mobile element to a first uniform magnetic field (B0) to hold the same in the first position, an energising coil (4, 6), external to the substrate (3), said energising coil (4, 6), on energising the above, submits the mobile element to a second magnetic field (BSi) to move the mobile element from the first position to the second position, the energising coil being of the solenoid type and surrounding the substrate supporting the mobile element.