EP4413339A1 - Système de mesure de température à distance - Google Patents
Système de mesure de température à distanceInfo
- Publication number
- EP4413339A1 EP4413339A1 EP22782516.3A EP22782516A EP4413339A1 EP 4413339 A1 EP4413339 A1 EP 4413339A1 EP 22782516 A EP22782516 A EP 22782516A EP 4413339 A1 EP4413339 A1 EP 4413339A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature
- sensor
- person
- skin
- tbb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0275—Control or determination of height or distance or angle information for sensors or receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/07—Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0859—Sighting arrangements, e.g. cameras
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
- G01J5/802—Calibration by correcting for emissivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Definitions
- the present invention relates to a remote temperature measurement system.
- the subject of the invention is thus a remote temperature measurement system, arranged to measure a temperature on a person, in particular on at least one zone of the person's face, this system comprising:
- a first temperature sensor operating in the infrared and arranged to measure at least one skin temperature of the person, in particular on at least one zone of the face of the person, this first sensor being in particular an infrared camera, the skin temperature measured by this first sensor being called (Tir),
- processing unit arranged for:
- Tbb an intermediate skin temperature (Tbb) as a function at least of the temperature measured (Tir) by the first temperature sensor, of a distance value representative of the distance between the first sensor and the person, and the ambient temperature measured by the second sensor, and
- Ts corrected skin temperature value
- Tbb intermediate skin temperature
- the intermediate skin temperature value (Tbb) is not calculated taking into account the emissivity of the skin.
- the emissivity is taken into account in the determination of the final corrected temperature (Ts), as will be seen later.
- the system includes a distance measuring device to provide the distance value.
- this distance value can be a predetermined value.
- this distance value is fixed in advance according to the location of the chair where the person who is subject to the temperature measurement sits, this value being for example fixed at 1 meter.
- the processing unit is arranged to determine the corrected skin temperature value (Ts) from a single intermediate skin temperature value (Tbb).
- this system comprises a distance measuring device arranged to measure the distance between the face of the person and the first temperature sensor.
- this distance measurement is based for example on an area of the face of the person, for example on the area of the face where the first temperature sensor measures the temperature of the skin (Shooting).
- this device is chosen from among a stereoscopic measuring device, a radar, a device of the Time of Flight (TOF) Sensor type. ), an inertial scale that notably allows positioning of the person's body on a virtual reference checkerboard.
- a stereoscopic measuring device a radar, a device of the Time of Flight (TOF) Sensor type.
- TOF Time of Flight
- an inertial scale that notably allows positioning of the person's body on a virtual reference checkerboard.
- the distance measurement can also be carried out by image processing by measuring a distance between the eyes on the image then determine, from this estimated difference, the distance between the face on which the temperature is measured and the first temperature sensor.
- the processing unit is arranged to determine the corrected skin temperature value (Ts) from a plurality of intermediate skin temperature values (Tbb).
- the processing unit is arranged to use the same distance value to determine all the intermediate skin temperature values (Tbb).
- the processing unit is arranged to use several distance values to determine the intermediate skin temperature values (Tbb).
- each intermediate skin temperature value calculation (Tbb) uses an associated distance value.
- Each distance value corresponds to a point on the person's face. This point is a point where the temperature measurement by the first sensor is made.
- the first temperature sensor is arranged to measure the temperatures at a plurality of points on the face of the person.
- This plurality of points forming in particular a mask of measurement points placed on the face of the person.
- the intermediate temperature (Tbb) at the tip of the nose must be corrected with a distance value measured at the tip of the nose.
- a distance measured on the tip of the nose and the distance measured on another point of the face, for example on the cheekbone can differ greatly, in proportion.
- the system may comprise a measuring device for determining the distance at a plurality of points on the face of the person, this device being chosen for example from a stereoscopic measurement or a device of the Time of Flight (TOF) Sensor type.
- a measuring device for determining the distance at a plurality of points on the face of the person, this device being chosen for example from a stereoscopic measurement or a device of the Time of Flight (TOF) Sensor type.
- TOF Time of Flight
- This camera works on the principle of time of flight (in English: Time of Flight, TOF) which makes it possible to measure in real time a scene in 3 dimensions (3D). This type of camera is known.
- the invention comprises a camera, in particular a Red Green Blue camera, or RGB camera, arranged to define on the face of the person the remarkable point of temperature measurement, or the points remarkable measurement of temperature measurement, for the first sensor.
- this camera operates in the visible range.
- the first and/or the second temperature sensor comprises a component for measuring the temperature in a casing of the sensor and/or of a sensitive element of this sensor.
- the system considers the first and/or the second temperature sensor as unreliable, and does not take disregard the resulting data.
- the correction linked to the emissivity of the skin of the person is chosen depending on the intermediate skin temperature (Tbb).
- the corrected skin temperature value is given by a curve with the intermediate skin temperature on the abscissa and the corrected skin temperature on the ordinate with emissivity taken into account. skin.
- the system does not need to explicitly access a skin emissivity value.
- the system uses the aforementioned curve which contains the influence of emissivity on the measurement of the temperature of the region concerned, in particular the face.
- the correction linked to the emissivity is contained in this curve.
- the correction linked to the emissivity of the person's skin is chosen depending also on the person's perspiration and makeup.
- the intermediate skin temperature (Tbb) is equal to a polynomial function, for example of order 2, of the temperature measured (Tir) by the first temperature sensor, a distance value representative of the distance between the first sensor and the person, and the ambient temperature measured by the second sensor.
- thermopile-type sensor comprising thermocouples and arranged to convert thermal energy into electrical energy.
- the processing unit is connected to this light intensity sensor, in particular of the thermopile type, and is arranged to use light intensity data supplied by this sensor to correct the temperature (Tbb).
- Correction for ambient light can incorporate this light intensity data divided by a radiant thermal power value associated with the person's basal metabolism.
- the first temperature sensor is a camera operating in the infrared, preferably at a wavelength between 7 and 14 micrometers.
- this camera is of the digital type.
- the entire system is of the digital type, with no analog component.
- the second temperature sensor arranged to measure an ambient temperature is a sensor comprising a sensitive element based on platinum, in particular of the PT 100 type.
- Another subject of the invention is a remote temperature measurement method, for measuring a temperature on a person, in particular on at least one area of the person's face, this method comprising the following steps:
- a first temperature sensor operating in the infrared and arranged to measure at least one skin temperature of the person, in particular on at least one zone of the face of the person, this first sensor being in particular an infrared camera, the temperature of skin measured by this first sensor being called (Tir),
- Tbb an intermediate skin temperature (Tbb) as a function at least of the temperature measured (Tir) by the first temperature sensor, of a distance value representative of the distance between the first sensor and the person, and the ambient temperature measured by the second sensor, and
- Ts corrected skin temperature value
- Tbb intermediate skin temperature
- the remarkable temperature measurement point(s) are geometrically defined by means of an image zone called Building box, which surrounds it, for example by means of the geometric mean of the sides of the image area.
- This image area is a surface delimited by a series of points which is constructed by an object identification algorithm.
- the system can be packaged in a transportable box that can be placed in a building, for example an airport, a hospital or any other place.
- the invention can be used as an aid to provide diagnostic information, in particular with a view to detecting a disease in a person, in particular a contagious disease such as COVID 19.
- Figure 1 schematically illustrates a system according to a non-limiting embodiment of the invention.
- Figure 2 schematically illustrates a system according to another non-limiting embodiment of the invention
- Figure 3 illustrates remarkable measurement points on a person's face, using the system according to the invention
- Figure 4 shows a curve illustrating the influence of emissivity on temperature measurements.
- FIG. 1 There is shown in Figure 1 a system 100 for remote temperature measurement, arranged to measure a temperature on a person, here on the person's face.
- This system 100 comprises a first temperature sensor 1 operating in the infrared and arranged to measure a skin temperature of the person, on areas or points of the person's face.
- the first temperature sensor 1 is a camera operating in the infrared, for example between 7 and 14 micrometers.
- the skin temperature measured by this first sensor 1 is called Tir
- This system 100 further comprises a second temperature sensor 2 arranged to measure an ambient temperature Tamb.
- the second temperature sensor 2 arranged to measure an ambient temperature is a sensor comprising a sensitive element based on platinum, in particular of the PT 100 type.
- This system 100 comprises a processing unit 3 arranged for:
- the system 100 includes a distance measuring device 5 to provide the distance value Dist.
- this distance value Dist can be a predetermined value.
- this distance value is fixed in advance according to the location of the chair where the person who is subject to the temperature measurement sits, this value being for example fixed at 1 meter.
- the processing unit 3 is arranged to determine the corrected skin temperature value Ts from a single intermediate skin temperature value Tbb.
- the distance measuring device 5 is arranged to measure the distance between the face of the person and the first temperature sensor 1.
- This distance measurement is based for example on an area of the person's face, for example on the area of the face where the first temperature sensor 1 measures the skin temperature Tir.
- This distance measuring device 5 is chosen from among a stereoscopic measuring device, a radar, a device of the Time of Flight (TOF) Sensor type, an inertial balance.
- the distance measurement can also be performed by image processing by measuring a gap between the eyes on the image and then determining, from this estimated gap, the distance between the face on which the temperature is measured and the first temperature sensor.
- the processing unit 100 is arranged to determine the corrected skin temperature value Ts from a plurality of intermediate skin temperature values Tbb.
- the processing unit 3 is arranged to use the same distance value Dist to determine all the intermediate skin temperature values Tbb. [71] This may prove to be sufficient, namely using the same distance value, when the distance between the person and the first sensor 1 is large enough, for example at least 1 meter.
- the processing unit 3 is arranged to use several distance values Dist to determine the intermediate skin temperature values Tbb.
- each calculation of intermediate skin temperature value Tbb uses an associated distance value Dist.
- Each Dist distance value corresponds to a point on the person's face. This point is a point where the temperature measurement by the first sensor 1 is made.
- the first temperature sensor 1 is thus arranged to measure the temperatures at a plurality of points on the person's face. This plurality of points forming in particular a mask 20 of measurement points superimposed on the face 21 of the person, as can be seen in Figure 3.
- the distance measurement on each temperature measurement point allows better precision of the intermediate skin temperature values Tbb. This is particularly advantageous when the first temperature sensor 1 is placed relatively close to the face 21 of the person, for example at a distance of a few tens of centimeters. Over these short distances, the accuracy of the distance value between the temperature measurement point and the first sensor 1 has a non-negligible influence on the accuracy of the intermediate skin temperature value Tbb. For example, the intermediate temperature Tbb at the tip of the nose must be corrected with a distance value measured at the tip of the nose. Indeed, when the first sensor is relatively close to the face, a distance measured on the tip of the nose and the distance measured on another point of the face, for example on the cheekbone, can differ greatly, in proportion.
- the number of points on a 20 point mask can be greater than 100, or even greater than 200.
- the distance measuring device is chosen from among a stereoscopic measuring device or a device of the Time of Flight (TOF) Sensor type, in English).
- TOF Time of Flight
- This camera works on the principle of time of flight (in English: Time of Flight, TOF) which makes it possible to measure a scene in real time in 3 dimensions (3D). This type of camera is known.
- the system 100 comprises a Red Green Blue camera 8, or RGB camera, arranged to define on the face 21 of the person the remarkable point of temperature measurement, or the remarkable measurement points of temperature measurement, for the first sensor 1 . This is step 40 in Figures 1 and 2.
- the remarkable temperature measurement points are geometrically defined by means of an image area called Building box, which surrounds it, for example by means of the geometric mean of the sides of the image area.
- This image area is a surface delimited by a series of points which is constructed by an object identification algorithm.
- This camera 8 operates in the visible range.
- the infrared camera 1 performs the temperature measurements on these points of the mask 20 (step 41) to obtain the different measured temperature values Tir.
- the first and/or the second temperature sensor may comprise a component for measuring the temperature in a casing of the sensor and/or of a sensitive element of this sensor.
- the system considers the first and/or the second temperature sensor as unreliable, and does not take disregard the resulting data.
- the correction related to the emissivity of the skin of the person is chosen dependent on the intermediate skin temperature Tbb.
- the corrected skin temperature value Ts is given by a curve 30 (see figure 4) with the intermediate skin temperature Tbb on the abscissa and the corrected skin temperature Ts on the ordinate taking into account the emissivity of the skin.
- the system does not need to explicitly access a skin emissivity value.
- the system uses the aforementioned curve which contains the influence of emissivity on the measurement of the temperature of the region concerned, in particular the face.
- the correction linked to the emissivity is contained in this curve 30.
- the correction related to the emissivity of the skin of the person can, if desired, be chosen depending also on the perspiration and the make-up of the person.
- the intermediate skin temperature Tbb is equal to a polynomial function, here of order 2, of the temperature Tir measured by the first temperature sensor 1, of a distance value Dist representative of the distance between the first sensor 1 and the face 21 of the person, and the ambient temperature Tamb measured by the second sensor 2.
- Tbb a0+a1 .Tir+a2.Dist+a3.Tamb+a4.Tir 2 +a5.Dist 2 +a6.Tamb 2 +a7.Tair.Dist +a8.Tir.Tamb+a9.Dist.Tamb
- System 100 includes a light intensity sensor 9, here a thermopile-type sensor comprising thermocouples and arranged to convert thermal energy into electrical energy.
- the processing unit 3 is connected to this light intensity sensor 9, in particular of the thermopile type, and is arranged to use light intensity data provided by this sensor to correct Tbb.
- Correction for ambient light can incorporate this radiant light intensity data divided by a radiant thermal power value associated with the person's basal metabolic rate.
- this correction due to the ambient luminosity is a corrective term proportional to the ratio between the radiant light intensity and a radiant thermal power value associated with the person's basal metabolism.
- This proportionality coefficient is for example between 0.1 and 10.
- This radiant thermal power value associated with basal metabolism is for example taken as equal to 14 W.rrr 2 (Watt per unit area).
- the entire system 100 is of the digital type, with no analog component.
- the selected temperature point is for example a point close to the eye.
- Step 43 aims to determine an intermediate skin temperature Tbb as a function of the measured temperature Tir selected, of a distance value Dist representative of the distance between the first sensor and the person, and the ambient temperature Tamb measured by the second sensor.
- Step 43 uses the aforementioned polynomial function.
- a corrected skin temperature value Ts is determined as a function of the intermediate skin temperature Tbb and a correction linked to the emissivity of the person's skin, as explained above .
- step 48 all these Tbb values are corrected with the emissivity correction. [112] In step 49, the highest corrected value Ts is retained.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Radiation Pyrometers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2110453A FR3127806B1 (fr) | 2021-10-04 | 2021-10-04 | Système de mesure de température à distance |
| PCT/EP2022/076305 WO2023057216A1 (fr) | 2021-10-04 | 2022-09-22 | Système de mesure de température à distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4413339A1 true EP4413339A1 (fr) | 2024-08-14 |
Family
ID=79018451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22782516.3A Pending EP4413339A1 (fr) | 2021-10-04 | 2022-09-22 | Système de mesure de température à distance |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240398239A1 (fr) |
| EP (1) | EP4413339A1 (fr) |
| CN (1) | CN118489051A (fr) |
| FR (1) | FR3127806B1 (fr) |
| WO (1) | WO2023057216A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7340293B2 (en) * | 2003-05-27 | 2008-03-04 | Mcquilkin Gary L | Methods and apparatus for a remote, noninvasive technique to detect core body temperature in a subject via thermal imaging |
| EP2920564A2 (fr) * | 2012-11-19 | 2015-09-23 | KAZ Europe SA | Thermomètre médical sans contact avec détection et compensation de distance |
| US11402273B2 (en) * | 2020-03-27 | 2022-08-02 | Ecb Consulting Llc | Systems and approaches for improving accuracy of temperature measurements using thermal imaging |
| TW202240132A (zh) * | 2021-03-31 | 2022-10-16 | 眾智光電科技股份有限公司 新竹縣寶山鄉工業東九路25號 2樓 | 紅外線溫度感測器 |
-
2021
- 2021-10-04 FR FR2110453A patent/FR3127806B1/fr active Active
-
2022
- 2022-09-22 CN CN202280078718.5A patent/CN118489051A/zh active Pending
- 2022-09-22 WO PCT/EP2022/076305 patent/WO2023057216A1/fr not_active Ceased
- 2022-09-22 US US18/695,561 patent/US20240398239A1/en active Pending
- 2022-09-22 EP EP22782516.3A patent/EP4413339A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20240398239A1 (en) | 2024-12-05 |
| CN118489051A (zh) | 2024-08-13 |
| FR3127806B1 (fr) | 2025-07-11 |
| FR3127806A1 (fr) | 2023-04-07 |
| WO2023057216A1 (fr) | 2023-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2923603A1 (fr) | Systeme et procede de correction de temperature de cible infrarouge | |
| EP2295943B1 (fr) | Étalonnage de thermomètre à radiation | |
| TWI613426B (zh) | 非接觸式醫學溫度計以及測定補償溫度之方法 | |
| CA2589927C (fr) | Procede et dispositif pour determiner le parametre limitant d'un turbomoteur | |
| FR3067242A1 (fr) | Procede d'evaluation d'une gouttiere orthodontique | |
| CN103792009B (zh) | 地基大口径望远镜的红外辐射定标方法 | |
| Lane et al. | Calibration and measurement procedures for a high magnification thermal camera | |
| CN111947785A (zh) | 一种测温红外热像仪噪声等效温差校准方法 | |
| EP3227646B1 (fr) | Procédé de fabrication de pièces basé sur l'analyse d'indicateurs statistiques pondérés | |
| EP2627996B1 (fr) | Dispositif et methode de determination de la conductivite et/ou de la capacite thermique d'une paroi. | |
| CA2827403C (fr) | Procede de calibration d'un couplemetre a torsion | |
| CN110455417B (zh) | 针对红外光学系统杂散辐射的定量测量误差校正方法 | |
| EP3087551B1 (fr) | Procédé d'analyse d'images du visage pour la détection d'un effet flush | |
| WO2023057216A1 (fr) | Système de mesure de température à distance | |
| NL2010457A (en) | Hartmann wavefront measuring instrument adapted for non-uniform light illumination. | |
| CN110849501A (zh) | 一种分布式光纤测温装置中光开关损耗测量及标定方法 | |
| FR3129070A1 (fr) | Système de détermination d’une température corporelle | |
| JP2023150616A (ja) | 感温素子の温度変動下で黒体の温度測定を修正する方法 | |
| EP3958785B1 (fr) | Programme d'ordinateur d'evaluation d'une gouttiere orthodontique | |
| FR3059824B1 (fr) | Capteur d'image infrarouge | |
| EP3191799B1 (fr) | Procédé de comptage d'événements survenus pendant une durée t et compteurs mécaniques d'événements associés | |
| WO2007017471A1 (fr) | Procede et dispositif de determination de la vitesse d'un coureur | |
| CN110246589B (zh) | 一种基于人体个体差异的体温校正方法及装置 | |
| Elias et al. | Polarimetric measures of selected variable stars | |
| Sharma et al. | Effect of ambient temperature on calibration of cooled thermal camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20240320 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VALEO ELECTRIFICATION |