FR3016034A1 - System for managing energy consumed by a dosimeter - Google Patents

System for managing energy consumed by a dosimeter Download PDF

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Publication number
FR3016034A1
FR3016034A1 FR1450012A FR1450012A FR3016034A1 FR 3016034 A1 FR3016034 A1 FR 3016034A1 FR 1450012 A FR1450012 A FR 1450012A FR 1450012 A FR1450012 A FR 1450012A FR 3016034 A1 FR3016034 A1 FR 3016034A1
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FR
France
Prior art keywords
dosimeter
time
geographical position
condition
means
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Granted
Application number
FR1450012A
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French (fr)
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FR3016034B1 (en
Inventor
Fred Potter
David Elvira
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NETATMO
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NETATMO
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Publication date
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Priority to FR1450012A priority Critical patent/FR3016034B1/en
Publication of FR3016034A1 publication Critical patent/FR3016034A1/en
Application granted granted Critical
Publication of FR3016034B1 publication Critical patent/FR3016034B1/en
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/0219Electrical interface; User interface
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/0228Control of working procedures; Failure detection; Spectral bandwidth calculation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/0247Details using a charging unit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light

Abstract

The invention essentially relates to a system (100) for managing the energy consumed by a portable dosimeter (110) comprising at least one ultraviolet (R) radiation sensor (126, 128), said system comprising: - means (122, 162) for determining the time at the geographical position of the dosimeter, and - control means (112) able to: - put the dosimeter (110) on standby if at least one condition for putting a set of conditions on standby standby is satisfied, and - activate the dosimeter (110) if each condition of a set of activation conditions is satisfied.

Description

BACKGROUND OF THE INVENTION The present invention relates to the field of dosimeters measuring the amount of ultraviolet radiation and more particularly relates to a system for managing the energy consumed by a dosimeter.

The invention applies to portable dosimeters, in particular and without limitation to portable dosimeters in the form of a jewel, for example a brooch or a pendant. WO 2008/132622 discloses a portable dosimeter comprising an ultraviolet radiation detection sensor and a light sensor. In this document, the light sensor makes it possible to manage the energy consumed by the dosimeter. Indeed, the ultraviolet radiation detection sensor is activated when the light picked up by the light sensor is greater than a threshold. However, this activation by light detection can be performed at inappropriate times.

One of the objectives of the invention is to improve the management of the energy consumed by a dosimeter. OBJECT AND SUMMARY OF THE INVENTION To this end, the present invention relates to a system for managing the energy consumed by a portable dosimeter comprising at least one ultraviolet radiation sensor, said system comprising: means for determining the time at the geographical position of the dosimeter, and - control means able to: - put the dosimeter on standby if at least one standby condition of a set of standby conditions is satisfied, and - activate the dosimeter if each condition of a set of activation conditions is satisfied, a standby condition being that said time at the geographical position is not between sunrise time and sunset time at said geographical position, and an activation condition being that said time at the geographical position is between the sunrise time and the sunset time at said geographical position. aphique. Thus, the standby of the dosimeter saves energy without affecting the operation of the dosimeter, the dosimeter being useless at night. In a particular embodiment, the means for determining the time at the geographical position of the dosimeter comprise a GPS receiver. In a particular embodiment, the system further comprises a terminal comprising the GPS receiver, said terminal communicating with the dosimeter by a wireless link. Thus, the dosimeter is compact and aesthetic. In a particular embodiment, the control means are able to maintain the activation of the dosimeter if each condition of a set of activation-keeping conditions is satisfied, the system further comprises means for detecting if the dosimeter performs a movement, - a standby condition being that the dosimeter is not in motion for a duration greater than a predetermined threshold of duration, and - an activation sustaining condition being that the dosimeter performs a movement. Indeed, this standby condition indicates that the user no longer wears the dosimeter and therefore the measurement of exposure to ultraviolet radiation is no longer desired by this user. The control means therefore put the dosimeter in standby in order to save energy. In a particular embodiment, the means for determining whether the dosimeter is in motion comprises an accelerometer.

In a particular embodiment, the system further comprises information means able to indicate the amount of ultraviolet radiation received by the dosimeter for a predetermined period of time. Thus, the user can be informed of the amount of ultraviolet radiation he has received during a sun exposure. In a particular embodiment, the information means are on the terminal. The invention furthermore relates to a method for managing the energy consumed by a portable dosimeter as defined above, said method comprising the following steps: - determining the time at the geographical position of the dosimeter, and - putting on standby the dosimeter if at least one standby condition of a set of standby condition is satisfied, and - activate the dosimeter if each condition of an activation condition set is satisfied, a setting condition of standby being that said time at the geographical position is not between sunrise time and sunset time at said geographical position, and an activation condition being that said time at the geographical position is between sunrise time and sunset time at said geographical position. BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the present invention will emerge from the description given below, with reference to the accompanying drawings which illustrate an embodiment having no limiting character. In the figures: FIG. 1 represents, schematically, the hardware architecture of a system comprising a dosimeter and a terminal, in accordance with one embodiment of the invention; FIG. 2 schematically represents a section of a dosimeter of the system according to the embodiment of FIG. 1; FIGS. 3a and 3b show, schematically, positionings of orifices of a cover element of FIG. a dosimeter of a system, according to embodiments of the invention; FIG. 4 represents in particular, in the form of a flowchart, the main steps of a method for managing the energy consumed by a dosimeter of a system according to the embodiment of FIG. 1. For the sake of clarity, the FIG. elements shown in these figures are not to scale unless otherwise noted. DETAILED DESCRIPTION OF SEVERAL EMBODIMENTS FIG. 1 schematically represents, according to one embodiment, a system 100 comprising a dosimeter 110 and a terminal 150 configured to be able to cooperate, via a wireless link 170, with the dosimeter 110. The dosimeter may take the form of a jewel, for example of the brooch or pendant type. In addition, the terminal 150 may be for example a mobile phone. In addition, the wireless link 170 may be for example a Bluetooth link. According to the invention, the dosimeter 110 comprises at least one ultraviolet radiation sensor R and the system 100 comprises means for determining the time at the geographical position of the dosimeter 110 and the control means 112. The control means 112 are able to put the dosimeter 110 on standby if at least one standby condition of a standby set is satisfied, and activate the dosimeter 110 if each condition of a set of activation conditions is satisfied.

According to the invention, a standby condition is that said time at the geographical position is not between sunrise time and sunset time at said geographical position, and a condition of activation is that said time at the geographical position is between the sunrise time and the sunset time at said geographical position. According to a particular embodiment of the invention, the dosimeter 110 has the conventional architecture of a computer. This dosimeter 110 comprises in particular a processor 111 comprising control means 112, a read-only memory 114 (of the "ROM" type), a non-volatile rewritable memory 116 (of the "EEPROM" or "Flash NAND" type for example), a memory Rewritable volatile source 118 ("RAM" type), and a communication interface 120. In addition, according to a particular embodiment of the invention, the dosimeter 110 further comprises means for determining the time 122, means for detecting a movement 124, a sensor 126 of ultraviolet R radiation type A (UVA) and a sensor 128 of type B ultraviolet radiation R (UVB). According to a particular embodiment of the invention, the means for detecting a movement 124 comprise an accelerometer.

In addition, according to a particular embodiment of the invention, the terminal 150 also has the conventional architecture of a computer. Said terminal 150 comprises in particular a processor 152, a read-only memory 154 (of the "ROM" type), a non-volatile rewritable memory 156 (of the "EEPROM" or "Flash NAND" type for example), a rewritable volatile memory 158 (of type "RAM"), and a communication interface 160 communicating with the communication interface 120 of the dosimeter 110 via the wireless link 170. In accordance with a particular embodiment of the invention, the terminal 150 further comprises means 162. to determine the geographical position of the dosimeter 110. These means 162 for determining the geographical position form with the means for determining the time 122 means for determining the time at the geographical position of the dosimeter. According to a particular embodiment of the invention, the means for determining the geographical position 162 are a GPS receiver. According to a particular embodiment of the invention, the terminal 150 further comprises information means 164 able to indicate the amount of ultraviolet radiation R received by the dosimeter 110. This quantity of ultraviolet radiation R received by the dosimeter 110 is transmitted by the communication interface 120 of the dosimeter 110. The information means 164 can also inform the user of the risks associated with their daily exposure to the sun. These risks are, for example, melanoma, sunburn, cancer of the skin or the eye, premature cutaneous aging, cataracts or age-related macular degeneration (AMD). These risks depend on the user's habits, such as time spent inside buildings or outside. Indeed, each of these risks depends on type A ultraviolet R radiation and / or type B ultraviolet R radiation. However, type B ultraviolet R radiation is stopped by the glass and therefore does not pass through the panes. The amount of type B ultraviolet R radiation picked up by the type B ultraviolet R sensor 128 is therefore determined.

If the amount of type B ultraviolet R radiation picked up by said sensor 128 is less than a predetermined threshold of amount of radiation, the user is inside a building. Otherwise, the user is outside. In one example, the predetermined threshold of amount of radiation is 0.1 microwatt per square centimeter.

The information means 164 may further provide protection advice to the user. These information means 164 are for example a screen or a speaker. The positioning of the information means 164 on the terminal 150 allows the dosimeter 110 to be compact and aesthetic. Indeed, these information means 164 are bulky and the positioning of these information means 164 out of the dosimeter 110 allows the cover element to take any shape. In this example, the dosimeter 110 includes a covering element 130 (see FIG. This cover element 130 is placed between the sensors 126, 128 and the outside of the dosimeter 110 and protects the sensors 126, 128 and the other elements 111, 112, 114, 116, 118, 120, 122, 124 of the dosimeter 110. The cover member 130 may be made of metal or ceramic. In this example, the covering element 130 comprises a plurality of orifices 132, which are not visible or are difficult to distinguish with the naked eye, placed on the covering element 130 at the vertices of a square mesh (see FIG. ) or at the vertices of a regular hex grid (see Figure 3b). Each sensor 126, 128 is vis-à-vis at least one orifice 132. Each orifice 132 passes through the cover element 130 and opens on the outside of the dosimeter 110. In addition, each orifice 132 has a diameter D between 5 micrometers and 250 micrometers. The distance D1 or D2 between two neighboring orifices 132 is between the diameter D of the orifices 132 multiplied by 0.5 and the diameter D of the orifices 132 multiplied by 5. In this example, each orifice 132 is at least partially filled by a material 133 transparent to ultraviolet radiation R type A and ultraviolet R type B. The injection of the transparent material 133 is carried out conventionally industrial. The ultraviolet radiation-transparent material 133 R may be a transparent thermoplastic material, such as polymethylmethacrylate. In this example, the orifices 132 being invisible or hardly distinguishable to the naked eye, the covering element 130 does not reveal the sensors 126, 128 and the other elements 111, 112, 114, 116, 118, 120, 122, 124 of the dosimeter 110 positioned under the cover member 130. In addition, the outer face of the cover member 130 may take any shape. In addition, the diameter D of the orifices 132 is chosen to allow the passage of ultraviolet radiation, which allows the dosimeter 110 to measure the amount of ultraviolet radiation R. In this example, the sensors 126, 128 are calibrated under a source 20 of ultraviolet radiation, in the presence of a standard sensor, after having been positioned in the dosimeter 110. FIG. 4 represents a method for managing the energy consumed by the portable dosemeter 110, implemented by the 100 compliant system. According to the invention, this method for managing the energy makes it possible, in a step 400, to put the dosimeter 110 on standby if at least one standby condition of a set of standby conditions is satisfied. This method further allows, in a step 410, to activate the dosimeter 110 if each condition of a set of activation conditions is satisfied. In addition, according to a particular embodiment of the invention, this method makes it possible to maintain the activation of the dosimeter 110 if each condition of a set of conditions for maintaining the activation of the dosimeter 110 is satisfied. The set of standby conditions includes one or more standby conditions, the set of activation conditions includes one or more activation conditions, and the set of sustaining activation conditions includes one or more activation conditions. several conditions for maintaining the activation. The expression "standby of the dosimeter" means that the communication interface 120 is off. The dosimeter 110 then no longer communicates with the terminal 150, which makes it possible to reduce the power consumption of the dosimeter 110. The expression "activation of the dosimeter" means that the communication interface 120 is activated. Alternatively, the expression "dosimeter standby" means that the sensors 126 and 128 are off in addition to the communication interface 120, and the expression "activation of the dosimeter" means that the sensors 126 and 128 are activated in addition to the communication interface 120. The means for activating the time 122 and possibly the means for detecting a movement 124 are not turned off when the dosimeter 110 is put on standby. In accordance with a particular embodiment of In the invention, the set of standby conditions includes two standby conditions, which are that: the current time at the geographical position is not between the sunrise time and the sunset time at said geographical position, and - no motion is detected during a motion detection non-detection time greater than or equal to the predetermined threshold. Alternatively, the set of standby conditions comprises only one of the two conditions mentioned above.

In addition, according to a particular embodiment of the invention, the set of activation conditions includes an activation condition, which is: the current time at the geographical position is between the time of sunrise of sun and sunset time at said geographical position. In addition, according to a particular embodiment of the invention, the set of conditions for maintaining the activation comprises two activation conditions, which are: the current time at the geographical position is between sunrise time and sunset time at said geographical position, and a motion is detected while the motion detection time is less than the predetermined time threshold. Alternatively, the set of conditions for maintaining the activation comprises only one of the two conditions mentioned above. According to the invention, in a step 420, the means for determining the time at the geographical position of the system 100 determine the time at the geographical position of the dosimeter 110. More specifically, in accordance with a particular embodiment of the invention, the time of day the invention, the means 162 for determining the geographical position determine in a sub-step 421 the geographical position of the terminal 150. The position of the dosimeter is deduced from the geographical position of the terminal 150. In fact, the dosimeter 110 is located near the terminal 150 (in one example, the dosimeter 110 and the terminal 150 communicate by a short distance link as a Bluetooth link). The geographical position is sent to the dosimeter 110 via the wireless link 170. The dosimeter deduces from this position the sunrise time and the sunset time. This sub-step 421 is performed during the first connection of the dosimeter to the terminal 150. This sub-step 421 can also be performed at each connection of the dosimeter 110 to the terminal 150. In addition, if the dosimeter 110 is disconnected from the terminal 150 the connection of the dosimeter 110 to the terminal 150 may be forced by the terminal 150 when the means 162 determine a change of geographical position. The expression "connection of the dosimeter 110 to the terminal 150" means that the communication interface 120 of the dosimeter is activated and that the dosimeter can communicate with the terminal 150 via the wireless link 170.

In addition, in a sub-step 422, the current time at said geographical position is determined by the means for determining the time 122. This is possible because the means 122 are never extinguished, even when the dosimeter 110. According to a particular embodiment of the invention, if the means for determining the time 122 determine that said time at the geographical position is not between the sunrise time and the time of sunset at said geographical position, the control means 112 put the dosimeter 110 in the standby mode. Indeed, since the dosemeter 110 is useless at night, putting the dosimeter 110 on standby saves energy without impairing the operation. In addition, according to a particular embodiment of the invention, if the means for determining the time at the geographical position of the dosimeter 110 determine that said time at the geog position The time between sunrise time and sunset time at said geographical position, the user of the dosimeter 110 is potentially exposed to ultraviolet radiation R because it is daytime. The control means 112 thus activate the dosimeter 110. In accordance with a particular embodiment of the invention, once the dosimeter 110 has been activated, means 124 for detecting whether the dosimeter 110 is moving detect a possible movement in a step 440 Means for measuring a duration then begin to measure a duration of non-detection of movement. According to a particular embodiment of the invention, as long as the means do not detect motion and the motion detection time is less than a threshold of predetermined duration, step 440 is repeated. In one example, the predetermined duration threshold is 15 minutes. According to a particular embodiment of the invention, if no motion is detected during a motion detection non-detection time greater than or equal to the predetermined threshold, the control means 112 put the dosimeter 110 in standby in order to save the energy and the motion detection time is set to zero. Indeed, this condition indicates that the user no longer wears the dosimeter 110 and therefore the measurement of exposure to ultraviolet radiation R is no longer desired by this user. According to a particular embodiment of the invention, if the means 124 detect a movement while the non-motion detection time is less than the predetermined duration threshold, the dosimeter is kept activated by the control means 112 and the duration No motion detection is set to zero. Alternatively, the means 124 for detecting motion further comprises the means 162 for determining the geographical position. If these means 162 determine a geographical position making it possible to deduce that the dosimeter 110 is outside, the dosimeter 110 is kept activated, even if no movement is detected during a period of non-detection of movement greater than or equal to the predetermined threshold. . If the means 162 do not determine a geographical position to deduce that the dosimeter 110 is outside and if no movement is detected during a motion detection time greater than or equal to the predetermined threshold, the control means 112 standby the dosimeter 110. According to a particular embodiment of the invention, as long as the conditions for maintaining activation are satisfied, the dosimeter 110 is kept activated. According to a particular embodiment of the invention, after the dosimeter 110 has been put on standby, as long as one of the standby conditions is satisfied, the dosimeter 110 is kept in standby.

Claims (8)

  1. REVENDICATIONS1. System (100) for managing energy consumed by a portable dosemeter (110) comprising at least one ultraviolet (R) radiation sensor (126, 128), said system comprising: - means (122, 162) for determining the time at the geographical position of the dosimeter, and - control means (112) able to: - put the dosimeter (110) to sleep if at least one standby condition of a set of standby conditions is satisfied , and - activate the dosimeter (110) if each condition of a set of activation conditions is satisfied, a standby condition being that said time at the geographical position is not between the rising time of the sun and sunset time at said geographical position, and an activation condition being that said time at the geographical position is between sunrise time and sunset time at said geographical position .
  2. 2. System according to claim 1, characterized in that the means (122, 162) for determining the time at the geographical position of the dosimeter comprise a GPS receiver.
  3. 3. System according to claim 2, characterized in that it further comprises a terminal (150) comprising the GPS receiver, said terminal (150) communicating with the dosimeter (110) by a wireless link (170).
  4. 4. System according to one of claims 1 to 3, characterized in that: - the control means (112) are able to maintain the activation of the dosimeter (110) if each condition of a set of conditions of maintenance of activation is satisfied; the system further comprises means (124) for detecting whether the dosimeter (110) is moving; - a standby condition being that the dosimeter (110) is not in motion during a period of time; duration greater than a predetermined threshold of duration, and - an activation maintaining condition being that the dosimeter (110) makes a movement.
  5. The system of claim 4, characterized in that the means (124) for determining whether the dosimeter (110) is moving comprises an accelerometer.
  6. 6. System according to one of claims 1 to 5, characterized in that it further comprises information means (164) able to indicate the amount of ultraviolet radiation (R) received by the dosimeter (110) 20 during a predetermined period of time.
  7. 7. System according to claim 3 and claim 6, characterized in that the information means (164) are on the terminal. 25
  8. 8. A method for managing the energy consumed by a portable dosemeter (110) according to one of claims 1 to 7, said method comprising the following steps: - determining (420) the time at the geographical position of the dosimeter, and- put the dosimeter (110) to sleep (400) if at least one standby condition of a set of standby condition is satisfied, and - activate (410) the dosimeter (110) if each condition of a set of activation condition is satisfied, a standby condition being that said time at the geographical position is not between sunrise time and sunset time at said geographical position, and an activation condition being that said time at the geographical position is between the sunrise time and the sunset time at said geographical position.
FR1450012A 2014-01-02 2014-01-02 System for managing energy consumed by a dosimeter Expired - Fee Related FR3016034B1 (en)

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FR1450012A FR3016034B1 (en) 2014-01-02 2014-01-02 System for managing energy consumed by a dosimeter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450012A FR3016034B1 (en) 2014-01-02 2014-01-02 System for managing energy consumed by a dosimeter
PCT/FR2014/053590 WO2015101757A1 (en) 2014-01-02 2014-12-31 System for managing the energy used by a dosimeter

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FR3016034A1 true FR3016034A1 (en) 2015-07-03
FR3016034B1 FR3016034B1 (en) 2016-01-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018208166A2 (en) 2017-05-12 2018-11-15 Sunsense As An ultraviolet light radiation sensing device with radio communication, and methods for calibration and operational use of the device

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4962910A (en) * 1988-03-14 1990-10-16 Casio Computer Co., Ltd. Device for use to prevent human skin from excessive sunburns
EP1589326A1 (en) * 2004-04-23 2005-10-26 Fuji Xerox Co., Ltd. Method of measuring ultraviolet radiation and ultraviolet measuring device
US20080265170A1 (en) * 2007-04-30 2008-10-30 Thomas Michael Ales UV detection devices and methods
US20110084109A1 (en) * 2009-10-09 2011-04-14 Illinois Tool Works Inc. Automatic low power consumption mode for combustion tools
US20110222375A1 (en) * 2010-03-15 2011-09-15 Keisuke Tsubata Ultraviolet ray measuring apparatus and electronic wristwatch equipped with ultraviolet ray measuring function
EP2568266A1 (en) * 2011-09-09 2013-03-13 ETH Zurich Mobile UV-intensity indicator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962910A (en) * 1988-03-14 1990-10-16 Casio Computer Co., Ltd. Device for use to prevent human skin from excessive sunburns
EP1589326A1 (en) * 2004-04-23 2005-10-26 Fuji Xerox Co., Ltd. Method of measuring ultraviolet radiation and ultraviolet measuring device
US20080265170A1 (en) * 2007-04-30 2008-10-30 Thomas Michael Ales UV detection devices and methods
US20110084109A1 (en) * 2009-10-09 2011-04-14 Illinois Tool Works Inc. Automatic low power consumption mode for combustion tools
US20110222375A1 (en) * 2010-03-15 2011-09-15 Keisuke Tsubata Ultraviolet ray measuring apparatus and electronic wristwatch equipped with ultraviolet ray measuring function
EP2568266A1 (en) * 2011-09-09 2013-03-13 ETH Zurich Mobile UV-intensity indicator

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WO2015101757A1 (en) 2015-07-09

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