WO2004113846A1 - Dispositif d’acquisition et de surveillance de l’evolution d’une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif - Google Patents
Dispositif d’acquisition et de surveillance de l’evolution d’une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif Download PDFInfo
- Publication number
- WO2004113846A1 WO2004113846A1 PCT/FR2004/001495 FR2004001495W WO2004113846A1 WO 2004113846 A1 WO2004113846 A1 WO 2004113846A1 FR 2004001495 W FR2004001495 W FR 2004001495W WO 2004113846 A1 WO2004113846 A1 WO 2004113846A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- product
- monitoring
- sensors
- file system
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000011161 development Methods 0.000 title claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims description 21
- 238000012546 transfer Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 2
- 239000000700 radioactive tracer Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 239000008280 blood Substances 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/022—Means for indicating or recording specially adapted for thermometers for recording
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D9/00—Recording measured values
- G01D9/005—Solid-state data loggers
- G01D9/007—Data loggers attached to transport containers for perishable products, e.g. food or medicines
Definitions
- the present invention relates, in general, to the acquisition and monitoring of quantities linked to a product. More particularly, the invention relates to monitoring the evolution over time of at least one quantity linked to a product in order to control its state or integrity.
- the invention applies in particular to the prevention of the degradation of a perishable product or to the prevention of its contamination.
- a particularly advantageous application of the invention relates to the control of the temperature of a blood bag between a sampling phase and a transfusion phase. It is understood, however, that the invention also applies to any type of perishable products or foodstuffs, such as foodstuffs or medicines for which the conditions of transport must be precisely controlled in order to avoid any risk of deterioration.
- control of the transport of a perishable product is carried out, for example, by using temperature sensors which change color irreversibly if the temperature of the product has exceeded a threshold value corresponding to a value. maximum allowed for the product.
- the object of the invention is therefore to overcome the drawbacks of the state of the art. It therefore relates to a device for acquiring and monitoring the development over time of at least one quantity linked to a product, comprising a support intended to be associated with the product and carrying a set of at least one sensor. for measuring said quantity and for processing data from the sensor to monitor the evolution of said quantity with respect to threshold values.
- the processing means comprise a file system in which the data from the sensor are stored and a managerial algorithm capable of organizing the storage of the data in the file system and of managing the restitution of said data, the file system and the manager algorithm being embedded in the medium.
- the device further comprises a universal internal clock, the means processing unit monitoring the evolution over time of said quantity as a function of hourly data supplied by the clock.
- the processing means also comprise means for developing product monitoring phases, each corresponding to a product state, by assigning threshold and duration values specific to each phase.
- the device is provided with a display member capable of indicating that the threshold value or values have been exceeded.
- This display unit can be a flashing indicator, the color of which indicates an acceptance criterion for a signaled overshoot.
- the flashing indicator includes a light emitting diode.
- the device comprises an autonomous power supply battery.
- voltage raising means are used for supplying the light-emitting diode from the supply battery.
- the device includes means for transferring the stored data to a product remote monitoring system, in response to a request for transfer of said data sent by said system.
- the transfer means are wireless data transfer means.
- the support also comprises means for coding information by bar code.
- a system for monitoring products by monitoring the development over time of at least one quantity linked to the product, comprising a set of sensors for measuring said quantity and a remote monitoring center for consultation of data from sensors.
- the sensors are constituted by devices as defined above.
- the central monitoring station is connected to a computer network, in particular the Internet network.
- FIG. 1 is a general schematic view of a product monitoring system according to the invention
- FIG. 2 is a block diagram illustrating the structure of a measurement sensor of the system of Figure 1
- - Figures 3 and 4 are curves illustrating an example of temperature and humidity threshold values stored in the system according to the invention.
- - Figure 5 illustrates the evolution over time of the temperature and humidity level recorded using the system according to the invention.
- FIG. 6 is a curve illustrating the evolution over time of the temperature of a blood bag between its collection and its transfusion.
- Figure 1 there is shown the general architecture of a product monitoring system according to the invention.
- This system is intended to implement product traceability, that is to say to track products at the different stages of their production, processing, marketing or transport, by monitoring the development over time of one or more several sizes linked to the products.
- the system comprises a set of tracers, such as 10, intended to be affixed to the products, and a set of transmitters / receivers, such as 12, intended to enter into communication with the tracers 10, in particular for recovering measurement data produced by the plotters.
- the tracers 10 are essentially produced in the form of a support, on which are implanted sensors or detectors for measuring the characteristic quantities to be measured, memory means for storing the data coming from the sensors, and processing means for the analysis of data from sensors.
- the nature and the number of quantities to be monitored depends on the type of product whose traceability should be ensured.
- the detectors on board the tracers can be constituted by temperature sensors, acceleration sensors, pressure sensors, etc.
- the quantity measured can be constituted by any type of physical parameter including one drift is likely to affect the product.
- the tracers 10 continuously ensure, possibly periodically, the acquisition of measurement data, this data then being, after storage, analyzed by the processing means on board the support to detect any exceedance beyond one or more maximum authorized threshold values. It will be noted that, preferably, the data are stored at intervals such that the data are acquired in excess, which makes it possible, by subsequent analysis, to detect acquisition anomalies.
- a monitoring center equipped with a consultation station 14 then allows remote consultation of the data and their analysis for the preparation of histories and the identification and localization of malfunctions within the product transport chain.
- the transceivers 12 are connected to a computer network, for example the Internet network 16 or a local computer network.
- a Web server 18 is used for the remote management of the various elements of the surveillance system and for the centralization of data from plotters 10.
- the transceivers 12 can be associated with an intermediate processing station 20 for the on-site consultation of the retrieved data or, as a variant, communicate directly with the web server via a router 22.
- FIG. 2 the general structure of a tracer 10 used to measure, store and analyze a physical quantity linked to a product to be monitored.
- such a tracer 10 essentially comprises a support 24 in the general shape of a parallelogram, the dimensions of which can be, for example, of the order of 10 cm ⁇ 5 cm, for a maximum thickness of the order of 5 mm.
- Such a tracer 10 is intended to be fixed to a product whose traceability should be ensured, for example by gluing.
- the device includes a set of sensors, such as 26, each ensuring the measurement of a physical quantity of the product for which a drift is likely to alter the integrity, or the conservation.
- the data from the sensors 26 are supplied to a metrological calibration and conversion unit 28 carrying out an adjustment of the data from the sensors as a function of calibration curves supplied by the manufacturers of the sensors.
- the measurement data are stored in a storage unit 30 under the control of a manager device 32 on board the plotter 10.
- the storage unit 30 is in the form of a file system, that is to say a set of files for which the storage and restitution of data s '' performs in an organized manner under the control of the file manager 32, the nature of the information to be recorded not involved in the rules for organizing the storage medium.
- the storage space is divided into several individually identifiable subsets, the size of the individual elements stored not being part of the data storage rules.
- the acquisition and storage of data in the file system is carried out independently, thanks to the use of different clocks for the acquisition of data, on the one hand, and their storage, on the other hand.
- the measurement period is independent of the data recording period. It is thus possible, for example, to adapt the data flow to be stored in the file system as a function of the speed of variation of the quantities monitored.
- the size of the storage means used is thus reduced, by providing a tracer in which the storage of the data would be carried out according to the acquisition period.
- the data processing times and their transmission for their future restitution are also considerably reduced.
- the file system is divided into four memory areas, namely a fixed size area and three variable size areas, defined by means of a programming tool.
- the first fixed-size area is intended to contain programming data for the plotter 10.
- the second area contains user data, in particular standard extension computer files, compressed or not.
- the third zone is a buffer storage zone in which the measurements are recorded during a recording period and only during this period.
- the choice of the type of measurements stored in this third area is made during programming, and in particular, from data extracted from the first storage area. So in the third zone, it is possible to memorize only minimum, maximum, average, integral values, in decibels, weighted, raw or filtered, ...
- the fourth zone constitutes a definitive storage zone in which the data originating from the third zone are stored. This recording is generally carried out on 16 bits.
- a value associated with a time is recorded.
- the file system manages the scheduling of the data in the storage means, the type of data, and, in general, the procedure for storing the data from programming data previously established by the user and from of data stored in a buffer memory.
- the file system manages data from outside in a second memory area, which allows dynamic modification and, possibly from a distance, user data, such as threshold values, depending on particular circumstances.
- the plotter 10 is also provided with a calculation unit 34 ensuring the actual control of the evolution of the quantities monitored and stored.
- This calculation unit 34 is coupled to a universal internal clock (not shown), making it possible to monitor the evolution of the quantities monitored as a function of time criteria. As will be described in detail below, it is therefore possible to develop monitoring phases during each of which specific maximum thresholds are provided.
- a display member 36 preferably made from light-emitting diodes, makes it possible to provide an indication as to the evolution of the quantity or quantities monitored with respect to the threshold values.
- a battery 38 associated with an energy converter 40 supplies the main elements forming part of the tracer 10.
- the energy converter 40 achieves a voltage rise capable of supplying the light-emitting diodes used in the constitution of the display member 36, from the battery 38.
- the tracer 10 is completed by transmission and reception means allowing wireless data transmission between the tracer 10 and the transmitters / receivers of the remote monitoring system.
- the wireless communication used for data transfer can be based on any type of telecommunication technique appropriate for the intended use. As an example, the following technologies can be used: I P,
- IRDA IRDA
- RF 13.56, 433, 868, 915 Bluetooth, Wi-Fi.
- any other technology can also be considered, depending on operating constraints.
- these transmission and reception means comprise, on the one hand, a transmitter 42 associated with a module
- a receiver 46 associated with a file decoding module 48, the transmitter 42 and the receiver 46 being in communication with an antenna 50 capable of entering into communication with a corresponding antenna of the transmitter / receiver 12 of the remote monitoring system.
- the tracer 10 associated with this product, permanently acquires, for example periodically, measurement data of a quantity to be monitored. These data are, after calibration and processing by the file manager 32, stored in the storage unit 30. Furthermore, the calculation unit 34 performs, for each acquired data, a comparison with one or more predetermined threshold values so as to detect any overshoot that could have an influence on the good conservation of the product. As previously indicated, the calculation unit 34 adapts the threshold values as a function of monitoring phases.
- the tracer is provided with two sensors, namely a temperature sensor and a humidity sensor .
- the temperature and humidity limit values are given by the curves illustrated in Figures 3 and 4.
- the temperature limit values not to be exceeded for a product to be protected are 25 ° C at relative humidity of 60% for 3 years and 30 ° C at 60% relative humidity for 10 days.
- these values are 60% relative humidity at 25 ° C for 3 years and 90% relative humidity at 25 ° C for 10 days.
- the embedding of a managerial algorithm within the tracers allows the elaboration of a three-dimensional function from the measured quantities. Such an operation is based on the laws of Arrhenius and / or Eyring. The system also maintains irreversible trigger thresholds.
- the temperature must be lowered substantially regularly by approximately +37 ° C at around +7 ° C.
- the second phase which lasts until T0 + 42 days, the bag thus removed is transported and stored until the place use.
- the third phase which lasts approximately 6 hours, corresponds to a transfusion phase proper.
- the temperature of the blood must regularly drop down to a temperature of the order of approximately 7 ° C.
- the temperature of the blood must not exceed 8 ° C.
- the actual transport phase which is a relatively short phase, of the order of 24 hours, a relatively small increase in temperature is authorized, up to a temperature of the order of 10 ° C. .
- the transfusion phase should not be done at a temperature above about 24 ° C.
- the calculation unit 34 determines by means of the universal internal clock the phase in which the product is located and then elaborates the thresholds not to be exceeded.
- the display unit 36 is controlled so as to provide an indication of such an overshoot.
- the display member 36 is controlled so as to emit a green flashing.
- the display member 36 is controlled so as to emit a red flashing, thus indicating that the product is no longer able to be consumed or used.
- the transition from a green flashing to a red flashing takes place irreversibly.
- the tracer 10 when the tracer 10, during its passage, passes next to a transmitter / receiver 12, the stored information is downloaded to then be transmitted to the web server 18. It is thus possible to consult, centrally and from a distance, the position of all the products monitored and to have all the information representative of the evolution of a monitored parameter.
- the transfer of data between the tracer and the transceivers is effected bidirectionally, information that can automatically be transmitted to the tracers when passing in front of such transceivers.
- information relating to the donor is entered in the file system, such as his name, his blood group, his rhesus, ... this information can then be easily retrieved during the passage of the bag in front of a transmitter / receiver of the transfusion site.
- the tracers can also be linked to coding means of the barcode type for the storage of information in a redundant manner, so that this information can be recovered even when no means are available. to establish communication with the plotters.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04767357A EP1634038A1 (fr) | 2003-06-16 | 2004-06-16 | Dispositif d'acquisition et de surveillance de l'evolution d'une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif |
US10/560,820 US20070008166A1 (en) | 2003-06-16 | 2004-06-16 | Device for acquiring and monitoring the developement of a product-related variable, and product monitoring system comprising such a device |
CA002528021A CA2528021A1 (fr) | 2003-06-16 | 2004-06-16 | Dispositif d'acquisition et de surveillance de l'evolution d'une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR03/07227 | 2003-06-16 | ||
FR0307227A FR2856165B1 (fr) | 2003-06-16 | 2003-06-16 | Dispositif d'acquisition et de surveillance de l'evolution d'une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004113846A1 true WO2004113846A1 (fr) | 2004-12-29 |
Family
ID=33484476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/001495 WO2004113846A1 (fr) | 2003-06-16 | 2004-06-16 | Dispositif d’acquisition et de surveillance de l’evolution d’une grandeur liee a un produit et systeme de surveillance de produit incorporant un tel dispositif |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070008166A1 (fr) |
EP (1) | EP1634038A1 (fr) |
CA (1) | CA2528021A1 (fr) |
FR (1) | FR2856165B1 (fr) |
WO (1) | WO2004113846A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110186155A1 (en) * | 2010-02-01 | 2011-08-04 | Ultrasonic Power Corporation | Liquid condition sensing circuit and method |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004053522A1 (de) * | 2004-10-29 | 2006-08-24 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Überwachungsvorrichtung für Transportgüter und Verfahren zur Überwachung von Transportgütern |
US8516268B2 (en) * | 2010-08-23 | 2013-08-20 | Raytheon Company | Secure field-programmable gate array (FPGA) architecture |
GB2524057A (en) * | 2014-03-13 | 2015-09-16 | Logic Energy Ltd | Improvements in or relating to data acquisition |
US10193979B2 (en) | 2014-03-17 | 2019-01-29 | General Electric Company | System architecture for wireless metrological devices |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2730310A1 (fr) * | 1995-02-08 | 1996-08-09 | Comeureg Sa | Dispositif d'enregistrement de la temperature et procede de mise en oeuvre du dit dispositif |
DE19705615A1 (de) * | 1997-02-14 | 1998-06-04 | Dirk Prof Dr Ing Jansen | Chipkarte mit Temperatur- Aufzeichnungsfunktion |
DE29717395U1 (de) * | 1997-09-29 | 1998-10-29 | Siemens AG, 80333 München | Chipkarte mit Sensor zur Erfassung physikalischer Meßgrößen |
FR2770900A1 (fr) * | 1997-11-13 | 1999-05-14 | Daniel Rene Salanon | Procede et dispositif de surveillance de l'evolution dans le temps d'au moins un parametre physique d'un produit perissable |
US6185513B1 (en) * | 1997-04-03 | 2001-02-06 | Fraunhofer-Gesellschaft | Data recorder |
US6285282B1 (en) * | 2000-09-05 | 2001-09-04 | Motorola, Inc. | System and apparatus for detecting and communicating a freshness of a perishable product |
GB2369962A (en) * | 2000-12-09 | 2002-06-12 | Coles Holdings Plc | Temperature and position data transmitting apparatus |
EP1246094A1 (fr) * | 2001-03-27 | 2002-10-02 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Système et procédé pour la surveillance de conteneurs |
US20020155832A1 (en) * | 2001-04-18 | 2002-10-24 | Stucky Michael J. | Wireless telemetry system |
EP1319928A1 (fr) * | 2001-12-14 | 2003-06-18 | 3M Innovative Properties Company | Indicateur pour des marchandises périssables avec une entrée pour les données de la période précédente, interruption, enregistrement variable, équation Arrhenius, transmission des données |
Family Cites Families (5)
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US5751829A (en) * | 1994-08-18 | 1998-05-12 | Autodesk, Inc. | Spectrally coordinated pattern search-imaging system and method |
US6138065A (en) * | 1999-01-06 | 2000-10-24 | Meritor Heavy Vehicle Systems, Llc | System and method for monitoring a performance characteristic using temperature and lubrication level of vehicle components |
US6571617B2 (en) * | 2001-01-17 | 2003-06-03 | Microchip Technology Incorporated | Method and apparatus using directional antenna or learning modes for tire inflation pressure monitoring and location determination |
US7030777B1 (en) * | 2001-11-06 | 2006-04-18 | Logic Systems, Inc. | Roadway incursion alert system |
US6982640B2 (en) * | 2002-11-21 | 2006-01-03 | Kimberly-Clark Worldwide, Inc. | RFID system and method for tracking food freshness |
-
2003
- 2003-06-16 FR FR0307227A patent/FR2856165B1/fr not_active Expired - Lifetime
-
2004
- 2004-06-16 CA CA002528021A patent/CA2528021A1/fr not_active Abandoned
- 2004-06-16 WO PCT/FR2004/001495 patent/WO2004113846A1/fr active Application Filing
- 2004-06-16 EP EP04767357A patent/EP1634038A1/fr not_active Withdrawn
- 2004-06-16 US US10/560,820 patent/US20070008166A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2730310A1 (fr) * | 1995-02-08 | 1996-08-09 | Comeureg Sa | Dispositif d'enregistrement de la temperature et procede de mise en oeuvre du dit dispositif |
DE19705615A1 (de) * | 1997-02-14 | 1998-06-04 | Dirk Prof Dr Ing Jansen | Chipkarte mit Temperatur- Aufzeichnungsfunktion |
US6185513B1 (en) * | 1997-04-03 | 2001-02-06 | Fraunhofer-Gesellschaft | Data recorder |
DE29717395U1 (de) * | 1997-09-29 | 1998-10-29 | Siemens AG, 80333 München | Chipkarte mit Sensor zur Erfassung physikalischer Meßgrößen |
FR2770900A1 (fr) * | 1997-11-13 | 1999-05-14 | Daniel Rene Salanon | Procede et dispositif de surveillance de l'evolution dans le temps d'au moins un parametre physique d'un produit perissable |
US6285282B1 (en) * | 2000-09-05 | 2001-09-04 | Motorola, Inc. | System and apparatus for detecting and communicating a freshness of a perishable product |
GB2369962A (en) * | 2000-12-09 | 2002-06-12 | Coles Holdings Plc | Temperature and position data transmitting apparatus |
EP1246094A1 (fr) * | 2001-03-27 | 2002-10-02 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Système et procédé pour la surveillance de conteneurs |
US20020155832A1 (en) * | 2001-04-18 | 2002-10-24 | Stucky Michael J. | Wireless telemetry system |
EP1319928A1 (fr) * | 2001-12-14 | 2003-06-18 | 3M Innovative Properties Company | Indicateur pour des marchandises périssables avec une entrée pour les données de la période précédente, interruption, enregistrement variable, équation Arrhenius, transmission des données |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110186155A1 (en) * | 2010-02-01 | 2011-08-04 | Ultrasonic Power Corporation | Liquid condition sensing circuit and method |
US8973601B2 (en) * | 2010-02-01 | 2015-03-10 | Ultrasonic Power Corporation | Liquid condition sensing circuit and method |
Also Published As
Publication number | Publication date |
---|---|
FR2856165B1 (fr) | 2008-07-11 |
FR2856165A1 (fr) | 2004-12-17 |
CA2528021A1 (fr) | 2004-12-29 |
US20070008166A1 (en) | 2007-01-11 |
EP1634038A1 (fr) | 2006-03-15 |
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