WO2000079227A1 - System for determining the optimal insolation of a person - Google Patents
System for determining the optimal insolation of a person Download PDFInfo
- Publication number
- WO2000079227A1 WO2000079227A1 PCT/AT2000/000166 AT0000166W WO0079227A1 WO 2000079227 A1 WO2000079227 A1 WO 2000079227A1 AT 0000166 W AT0000166 W AT 0000166W WO 0079227 A1 WO0079227 A1 WO 0079227A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measuring device
- sun protection
- container
- radiation
- radiation intensity
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 36
- 230000037072 sun protection Effects 0.000 claims abstract description 21
- 239000011814 protection agent Substances 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims abstract 2
- 230000036555 skin type Effects 0.000 claims description 8
- 230000036561 sun exposure Effects 0.000 claims description 4
- 230000000475 sunscreen effect Effects 0.000 claims description 3
- 239000000516 sunscreening agent Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 9
- 230000037380 skin damage Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
Classifications
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
Definitions
- the invention relates to a system for determining the optimal sun exposure of people according to the preamble of claim 1.
- people On the basis of recent findings in medicine, people have become generally aware of the dangers which are caused by excessive sun exposure.
- people On the other hand, however, there is a widespread desire for tanning of the body, which is perceived as being cosmetically advantageous.
- US Pat. No. 5,612,542 and US Pat. No. 4,863,282 relate to measuring devices for determining the maximum permissible irradiation time for people in order to avoid skin damage.
- the radiation intensity is determined in one measurement process, and then, based on this measurement value and various inputs by the user, either the maximum permissible radiation duration is determined or the minimum required sun protection factor is calculated for a desired radiation duration.
- the disadvantage here is that it is necessary for the user to monitor the actual radiation duration himself.
- the use of a single measurement of the radiation intensity is not representative of the total load, since the radiation intensity can change relatively rapidly in the short term due to changing cloudiness or the like. Therefore, the use of such measuring devices is not only not very user-friendly but also imprecise.
- radiation dosimeters are known from AT 400 635 B and GB 2 236 182 A, in which the radiation measurement values are continuously integrated. Although this reduces the measurement errors, there is still the disadvantage that the user has to make a large number of inputs manually, so that the use is complex and prone to errors.
- the devices described are designed as independent measuring devices, so that handling is disadvantageous compared to devices which are connected to a container for sunscreen.
- the object of the present invention is to avoid these disadvantages and to develop a system of the type described above in such a way that the simplest possible operation is made possible, which excludes errors in use as far as possible. The greatest possible measurement accuracy should be achieved.
- the measuring device is designed to continuously record the radiation intensity and to display the respectively remaining radiation duration, which is calculated on the basis of the sun protection factor of the sun protection agent contained in the container.
- the meter is initially set to an average skin type, but the user can adjust it to the actual skin type. This considerably simplifies the application.
- the user can read off an estimate of the remaining exposure time at any time. This is determined on the basis of an estimated value for the radiation intensity to be expected and is continuously corrected. If, for example, there is initially a high radiation intensity, a value of one hour can result as the remaining radiation duration. Due to a sustained clouding over the course of this period, the permissible residual radiation duration can increase to two or more hours, since the measuring device now assumes a lower radiation intensity to be expected. This is also intuitively understandable for the user and promotes trust in the device.
- the senor is designed to determine the radiation intensity in at least three wavelength ranges of the ultraviolet light. In this way, a particularly precise determination of the effective radiation intensity is possible. It is particularly advantageous if the sensor obtains at least one measured value both in the UV-A and UV-B and UV-C radiation ranges.
- the longer-wave components of the ultraviolet spectrum are usually referred to as UV-A rays.
- the wavelength range of UV-A ranges from 320 nm to 380 nm.
- the shorter-wave UV-B rays in a wavelength range from 290 nm to 320 nm are particularly important for influencing human skin, since they are more energy-intensive.
- UV-C rays in a range from 200 nm to 290 nm is also important, because these rays are extremely dangerous due to their hardness. Under normal ambient conditions, the UV-C component is almost completely shielded from the atmosphere, but at high altitudes or in solariums, radiation components can also be detected in this area.
- the measuring device is structurally integrated in the container.
- a further advantage is achieved by this measure, since the availability of the measuring device is also ensured in this way. If necessary, the measuring device can also be designed to be removable.
- a particularly favorable solution is given in this context if the measuring device is integrated in a closure of the container. Since the container is practically unusable without a measuring device, special safety in use can be achieved.
- the measuring device can be adjusted to the respective skin type.
- a particular ease of use is achieved in that the measuring device also has a memory for the skin type of the user. As long as the measuring device is used by the same user, no manual input is required, which significantly simplifies and increases safety.
- Reliable avoidance of excessive radiation doses can also be prevented by the measuring device having a warning device which emits a warning signal when the maximum permissible radiation duration is reached.
- Fig. 1 is a schematic view of the system according to the invention from the front and
- Fig. 2 shows a detail of the system in a top view.
- the system according to the invention consists of a bottle 1 which contains a sunscreen and which has a closure cap 2 into which a measuring device 2a is integrated.
- the closure cap 2 is shown from above.
- the closure cap 2 carries a sensor 3, which detects the irradiation of ultraviolet light and at the same time serves to supply power to the measuring device 2a.
- the skin type of the user can be set via a slider 4.
- the maximum permissible irradiation time is calculated from the signal from the sensor 3 and the position of the slider 4 and shown on a display 5. Since the sensor supplies three signals, which are obtained at wavelengths of 350 nm, 310 nm and 260 nm, an exact calculation is possible, since exposure limits are known from the literature.
- the measuring device is matched to the sun protection factor of the sun protection agent in bottle 1, so that the risk of incorrect operation is minimized.
- the present invention makes it possible to carry out a reliable calculation of the permissible irradiation duration using simple means, which enables harmless tanning.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10081714T DE10081714D2 (en) | 1999-06-17 | 2000-06-19 | System for determining the optimal sun exposure of people |
AT0910300A AT412128B (en) | 1999-06-17 | 2000-06-19 | System for determining optimal solar radiation exposure for person indicates remaining exposure time derived from sun protection factor of sun protection medium |
AU55092/00A AU5509200A (en) | 1999-06-17 | 2000-06-19 | System for determining the optimal insolation of a person |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM423/99 | 1999-06-17 | ||
AT42399 | 1999-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000079227A1 true WO2000079227A1 (en) | 2000-12-28 |
Family
ID=3490230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2000/000166 WO2000079227A1 (en) | 1999-06-17 | 2000-06-19 | System for determining the optimal insolation of a person |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5509200A (en) |
DE (1) | DE10081714D2 (en) |
WO (1) | WO2000079227A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4428050A (en) * | 1981-04-02 | 1984-01-24 | Frank Pellegrino | Tanning aid |
DE3420817A1 (en) * | 1983-05-30 | 1985-01-31 | Gerhard 2165 Harsefeld Wehdeking | UV meter |
GB2236182A (en) * | 1989-09-12 | 1991-03-27 | Ruger Design Ltd | Ultraviolet radiation dosimeter |
AT400635B (en) * | 1991-11-29 | 1996-02-26 | Steiner Wilhelm | TRANSPORTABLE MEASURING DEVICE FOR DETECTING THE UV RADIANT DOSE AS PROTECTION AGAINST HEALTH DAMAGE TO THE SKIN |
US5612542A (en) * | 1995-06-07 | 1997-03-18 | 649020 Alberta Ltd. | Ultraviolet light intensity monitor |
-
2000
- 2000-06-19 WO PCT/AT2000/000166 patent/WO2000079227A1/en active Application Filing
- 2000-06-19 DE DE10081714T patent/DE10081714D2/en not_active Expired - Fee Related
- 2000-06-19 AU AU55092/00A patent/AU5509200A/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4428050A (en) * | 1981-04-02 | 1984-01-24 | Frank Pellegrino | Tanning aid |
DE3420817A1 (en) * | 1983-05-30 | 1985-01-31 | Gerhard 2165 Harsefeld Wehdeking | UV meter |
GB2236182A (en) * | 1989-09-12 | 1991-03-27 | Ruger Design Ltd | Ultraviolet radiation dosimeter |
AT400635B (en) * | 1991-11-29 | 1996-02-26 | Steiner Wilhelm | TRANSPORTABLE MEASURING DEVICE FOR DETECTING THE UV RADIANT DOSE AS PROTECTION AGAINST HEALTH DAMAGE TO THE SKIN |
US5612542A (en) * | 1995-06-07 | 1997-03-18 | 649020 Alberta Ltd. | Ultraviolet light intensity monitor |
Also Published As
Publication number | Publication date |
---|---|
DE10081714D2 (en) | 2003-07-31 |
AU5509200A (en) | 2001-01-09 |
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