WO2013060637A1 - Capteur d'intensité de photo-rayonnement - Google Patents

Capteur d'intensité de photo-rayonnement Download PDF

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Publication number
WO2013060637A1
WO2013060637A1 PCT/EP2012/070844 EP2012070844W WO2013060637A1 WO 2013060637 A1 WO2013060637 A1 WO 2013060637A1 EP 2012070844 W EP2012070844 W EP 2012070844W WO 2013060637 A1 WO2013060637 A1 WO 2013060637A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation intensity
sensor elements
intensity sensor
circuit board
photo radiation
Prior art date
Application number
PCT/EP2012/070844
Other languages
English (en)
Inventor
Arvydas MALDZIUNAS
Mindaugas KETLERIUS
Original Assignee
Uab Accel Elektronika
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uab Accel Elektronika filed Critical Uab Accel Elektronika
Publication of WO2013060637A1 publication Critical patent/WO2013060637A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7861—Solar tracking systems
    • 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
    • G01J1/02—Details
    • G01J1/0271—Housings; Attachments or accessories for photometers
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0474—Diffusers
    • 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
    • G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
    • 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
    • G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light

Definitions

  • the invention relates to a photo radiation intensity sensor comprising a housing, a lid part and at least two sensor elements.
  • the sensor elements are sensitive to radiation and are placed on a circuit board having a first side and a second side.
  • the sensor elements are arranged to produce output signals for estimating the sun radiation heating impact.
  • the photo radiation intensity sensor comprises a diffusive compound that is a potting, which compound is positioned between the lid part and said sensor elements.
  • the photo radiation intensity sensor comprises at least one shading element positioned between said sensor elements.
  • sensors which identifies the position of the sun in relation to the vehicle in order to further improve the regulation of the climate unit.
  • a sensor arrangement is known from US 7157678, which discloses multiple sensor elements arranged in a housing, where said sensor elements are sensitive to light.
  • the sensor elements are arranged at different geometrical positions of the sensor housing, more precisely at opposite sides of a printed circuit board which extends into the housing, towards a transparent or translucent lens element.
  • the housing has a chamber containing a diffusive compound.
  • such an arrangement has a disadvantage in its inherent size, which presents a protrusion where it is placed.
  • An example of such a placement is the dashboard, where such a protrusion is undesirable of design reasons.
  • a photo radiation intensity sensor comprising a housing, a lid part and at least two sensor elements.
  • the sensor elements are sensitive to radiation and are placed on a circuit board having a first side and a second side.
  • the sensor elements are arranged to produce output signals for estimating the sun radiation heating impact.
  • the photo radiation intensity sensor comprises a diffusive compound that is a potting, which compound is positioned between the lid part and said sensor elements.
  • the photo radiation intensity sensor comprises at least one shading element positioned between said sensor elements. Said sensor elements are positioned on the first side of the circuit board, the first side facing the lid part and the second side facing away from the lid part.
  • the photo radiation intensity sensor includes a radiation filter transparent to a defined frequency interval.
  • the radiation filter is arranged to block radiation outside said frequency interval from impinging on the sensor elements.
  • the radiation filter is constituted by the diffusive compound.
  • the radiation filter includes a lens element.
  • the sensor elements are sensitive to infrared and/or visible light.
  • the diffusive compound is a liquid or a gel.
  • the shading element is in the form of walls which extend away from the first side of the circuit board towards the lid part when mounted, each wall being positioned between two adjacent sensor elements.
  • the walls are for example positioned in the form of a cross.
  • the shading element extends away from the first side of the circuit board towards the lid part and has a cross-section perpendicular to this extension which is a polygon or circular.
  • at least one light emitting diode arrangement is mounted to the first side of the circuit board, each light emitting diode arrangement being positioned such that it correspond to a corresponding symbol. Said symbol is visible when the corresponding light emitting diode arrangement is activated and illuminates the symbol.
  • a rigid foil is positioned between the lid part and the sensor elements, where the diffusive compound is positioned between the sensor elements and the foil.
  • FIG. 1 shows an exploded view of a first embodiment of an optical radiation intensity directional sensor
  • FIG. 2 shows a top view of the first embodiment of an optical radiation intensity directional sensor
  • FIG. 3 shows a cross-sectional view of the optical radiation intensity directional sensor in Figure 2;
  • FIG. 4 shows a cross-sectional view of a second embodiment of an optical radiation intensity directional sensor
  • FIG. 5 shows a cross-sectional view of a third embodiment of an optical radiation intensity directional sensor
  • FIG. 6 shows a cross-sectional view of a fourth embodiment of an optical radiation intensity directional sensor
  • FIG. 7 shows a cross-sectional view of a fifth embodiment of an optical radiation intensity directional sensor
  • FIG. 8 shows an exploded view of a sixth embodiment of an optical radiation intensity directional sensor
  • FIG. 9 shows an exploded view of a seventh embodiment of an optical radiation intensity directional sensor.
  • Figure 1 shows an exploded view of a first embodiment of an optical radiation intensity directional sensor 1
  • Figure 2 shows a top view of said sensor
  • Figure 3 shows a section of Figure 2.
  • the directional sensor 1 comprises a housing 2 having an opening 3 which is covered by a lens element 4 when mounted.
  • the lens element 4 is transparent or translucent, and also functions as a lid that is snapped into place by means of snap-lock attachment means 18, 19.
  • the lens element 4 functions as a radiation filter being transparent to radiation within a well-defined frequency interval.
  • the housing 2 of the optical radiation intensity directional sensor 1 is in the shown embodiment formed by outer walls 5a, 5b, 5c, 5d forming an internal chamber 6.
  • the sensor 1 further comprises an array of sensor elements 7a, 7b, 7c, 7d, constituted by a first sensor element 7a, a second sensor element 7b, a third sensor element 7c and a fourth sensor element 7d, the sensor elements 7a, 7b, 7c, 7d being positioned between the housing 2 and the lens element 4 when mounted.
  • the sensor 1 comprises a diffusive compound 8, indicated with a grainy structure in Figure 3, positioned between said lens element 4 and said array of sensor elements 7a, 7b, 7c, 7d.
  • the diffusive compound 8 is preferably a potting in the form of a liquid or a gel, which has been filled into the lens element 4 in an upside-down position before mounting to the housing 2, and then the lens element 4 is mounted to the housing 2 in this position (not shown).
  • the compound 8 is more or less liquid in order to enable the filling into the lens element 4, and may be of such a composition that it cures when the filling procedure is completed.
  • the curing may be of such a nature that the compound, being a liquid of a relatively low viscosity, cures to a liquid of higher viscosity, for example a gel.
  • the curing may also result in a solid compound.
  • the array of sensor elements 5 is placed on a circuit board 9 having a first side 9a and a second side 9b. As shown in Figure 3, the walls 5a, 5b, 5c, 5d of the housing 2 do not extend past the circuit board 2 towards the lens element 4 when mounted in the housing, the circuit board closing the opening 3 in the housing 2 when mounted. This results in the filling procedure for the diffusive compound described above, filling the diffusive compound into the upside-down lens element 4.
  • the housing 2 may have walls extending past the circuit board 9 towards the lens element 4 when mounted, such that the diffusive compound may be filled directly into the part of the chamber 6 that is positioned above the circuit board, flooding this part of the chamber 6, and not into the lens element 4.
  • the lens element 4 may here be mounted afterwards.
  • the diffusive compound may also be filled such that it flows beneath the circuit board 9 as well, flooding the chamber 6.
  • all sensor elements 7a, 7b, 7c, 7d are positioned on the first side 9a of the circuit board 9, the first side 9a facing the lens element 4 and the second side 9b facing away from the lens element 4. Furthermore, a shading element 10 is positioned between the sensor elements 7a, 7b, 7c, 7d, here in the form of walls 10a, 10b, 10c 10d which are formed in one piece in the form of a cross, where the walls extend away from the first side 9a of the circuit board 9 towards the lens element 4 when mounted.
  • Each wall 10a, 10b, 10c 10d is positioned between two adjacent sensor elements 7a, 7b, 7c, 7d such that all adjacent sensor elements 7a, 7b, 7c, 7d are separated by a wall 10a, 10b, 10c 10d.
  • the shading element 10 is here a part of the housing 2 that is arranged to extend through a corresponding aperture 1 1 in the circuit board 9 when mounted, the shading element 10 thus not constituting a separate part.
  • the shading element 10 at least partly blocks light from impinging directly on one of two sensor elements within said array of sensor elements 7a, 7b, 7c, 7d separated by said shading element 10. Thereby four different regions, which are separated from being simultaneously exposed to directly impinging sunlight, are created.
  • the shading element 10 is arranged to prevent exposure of radiation of the sensor elements separated by the shading element 10 to a degree depending of the position of the photo radiation intensity directional sensor in relation to a source of photo radiation, such as the sun. In an option, the shading element 10 is thereby arranged for creating differences in output amplitudes from the sensor elements 7a, 7b, 7c, 7d which difference in amplitude is used for estimating the position of the source of radiation.
  • Each sensor element 7a, 7b, 7c, 7d produces an output signal also when respectively sensor element is positioned in a position inside said housing 2 where light would not impinge on the sensor element in the absence of the diffusive compound 8.
  • a first light emitting diode arrangement 12, a second light emitting diode arrangement 13 and a third light emitting diode arrangement 14 is mounted to the first side 9a of the circuit board 9.
  • the light emitting diode arrangements are positioned such that they correspond to symbols 15, 16 (only two symbols schematically indicated with dotted lines in Figure 2) printed in, or on, the lens element 4 when the lens element 4 is mounted.
  • symbols 15, 16 are visible when the corresponding light emitting diode arrangement 12, 13, 14 is activated and illuminates the symbol 15, 16, otherwise the symbol 15, 16 is not visible.
  • the symbols 15, 16 are masked from each other such that light from not corresponding light emitting diode arrangements 12, 13, 14 does not cause an undesired illumination of a symbol.
  • the symbols 15, 16 may refer to a warning system of the vehicle, or a communication system, for example indicating low outer temperature, vehicle malfunction or the presence of an e-mail or an SMS (Short Message Service).
  • the diffusive compound which also covers the light emitting diode arrangements, the illumination of each symbol is softened, making it more comfortable to look at.
  • the symbols 15, 16 may be printed to, and/or moulded into the lens element 4.
  • the lens element 4', 4" have different shapes, such that light is refracted in desired ways towards the sensor elements 7a, 7b, 7c, 7d.
  • the lens element 4' comprises a raised flat area 28 above the sensor elements 7a, 7b, 7c, 7d.
  • the lens element 4" comprises a domed area 29 above the sensor elements 7a, 7b, 7c, 7d.
  • a transparent and/or translucent rigid foil 17 is used as a mould for the diffusive compound 8', which is filled into the rigid foil 17 in an upside-down position before being mounted to the housing 2.
  • a space between the foil 17 and the lens element 4 is not filled the diffusive compound 8' when the components are mounted, the space between the circuit board 9 and the lens element 4 being less occupied of the diffusive compound.
  • the symbols discussed above may be printed in or on the foil 17 instead of at the lens element 4.
  • a fifth embodiment with an alternative foil 20 is shown, also here used as a mould for the diffusive compound 8".
  • the main difference lies in a folded ridge 21 in the foil 20, where the folded ridge 21 acts as a shading element between the sensor elements.
  • the folded ridge is here cross-shaped such that a cross-shaped shading element mainly equivalent to the one shown in Figure 1 is acquired.
  • the shading element is thus not part of the housing, but is instead art of the foil 20.
  • a foil is cheap and easily formed and thus enables to have a potted area of any desired form which in the final product is hidden with a translucent protective/aesthetic top such as a lens element and/or lid.
  • a foil enables the shadowing element or/and the illuminable symbols 15, 16 to be formed in a very cost-effective way by just printing them on the surface of the foil 20, maybe even before its formed, when it is still flat.
  • This print may be formed as a light- blocking layer 30, where appropriate openings are made for sensor elements 7c, 7d, the possibly being part of the shading element 21 .
  • the symbols 15, 16 may be printed as a part of the light-blocking layer 30, in openings for the light emitting diode arrangements 12, 14. Alternatively, the symbols 15, 16 may be constituted by openings in the light-blocking layer 30. If the symbols 15, 16 are formed in the lens element 4, only openings in the light-blocking layer 30 are needed.
  • the light-blocking layer 30 is shown to be formed on the side of the foil 20 that faces the lens element 4 when mounted, the light-blocking layer might just as well be formed on the other side of the foil 20, or both sides.
  • an alternative optical radiation intensity directional sensor V constituting a sixth embodiment, is shown, having an alternative shading element 22.
  • the alternative shading element 22 is in the form of a rhomboid having four sides 22a, 22b, 22c, 22d along which corresponding sensor elements 7a', 7b', 7c', 7d' are mounted on the circuit board 9'.
  • the shading element 22 runs through a corresponding aperture 25 in the circuit board 9'.
  • an alternative optical radiation intensity directional sensor 1 " constituting a seventh embodiment, is shown, having an alternative shading element 23.
  • the alternative shading element 23 is in the form of a cylinder having a circumferential wall 24 along which the sensor elements 7a", 7b", 7c", 7d" are evenly distributed and mounted on the circuit board 9".
  • the shading element 23 runs through a corresponding aperture 26 in the circuit board 9".
  • the invention relates to a photo radiation intensity sensor 1 comprising a housing 2, a lens element 4 constituting a lid part, and at least two sensor elements 7a, 7b, 7c, 7d sensitive to radiation which are placed on a circuit board 9 having a first side 9a and a second side 9b.
  • the sensor elements 7a, 7b, 7c, 7d are arranged for producing output signals which are used for estimating the sun radiation heating impact.
  • the photo radiation intensity sensor 1 comprises a diffusive compound 8 positioned between the lens element 4 and said sensor elements 7a, 7b, 7c, 7d, where at least one shading element 10 is positioned between said sensor elements 7a, 7b, 7c, 7d.
  • the said sensor elements 7a, 7b, 7c, 7d are positioned on the first side 9a of the circuit board 9, the first side 9a facing the lens element 4 and the second side 9b facing away from the lens element 4.
  • Wacker SilGel 612 with small quantity of Elastosil white colour paste FL; Wacker SilGel 612 is of two liquid components (A and B), which together cure to gel of high optical transparency; when adding small amount of Elastosil white colour paste FL (0.1 % to 1 % by weight) this gel becomes opaque (“milky") with good diffusive properties of optical radiation; concentration of this paste also can be used for control of sensitivity of sensor in aggregate: when increasing percentage of paste-sensitivity decreases and vice versa.
  • Wacker SilGel 612 is a two part crosslinking silicone rubber. Elastosil is a mixture of pigments and a reactive silicone polymer. Both are trademarks of Wacker.
  • FIG. 1 1 a diagram of sensitivity versus concentration of white paste in compound. Tests has shown that a concentration between 0.1 %-1 % provides adequate degree of opaqueness for providing uniform output level for a single sensor body without reducing the output level too much. In an embodiment, the concentration is in between about 0.1 % and 1 %.
  • the optical radiation intensity sensor may include a radiation filter transparent to a defined frequency interval, which radiation filter is arranged to block radiation outside said frequency interval from impinging on the sensor elements.
  • the radiation filter is according to one embodiment of the invention formed by the diffusive compound.
  • the lens element is provided with a filtering capacity, which can be obtained by choice of material of the lens element or by arranging a cover sheet of a filtering material on the lens element.
  • a further possibility is to include a separate second lens element.
  • the sensor element should be sensitive in the infrared region.
  • the optical radiation intensity directional sensor may be equipped with a separate lid, which facilitates the freedom of design of parts of the optical radiation intensity directional sensor, which are visible after mounting of the optical radiation intensity directional sensor in a vehicle.
  • the shading element in the form of a cross is especially suited for four sensor elements, if there are less or more than four sensor elements in the photo radiation intensity sensor 1 , other shapes of the walls are of course suitable.
  • a shading element should be arranged such that shade may produced for every sensor element depending on the position of the sun or other light source.
  • the rhomboid shading element 22 may generally have polygonal cross-section.
  • the shading elements are part of corresponding housings, extending through matching apertures on the respective circuit board.
  • the shading element may be constituted by a separate element that is mounted to the circuit board, for example by means of an adhesive.
  • the shading element may be constituted by several separate parts or shading sub- elements. Any type of shading element may be made in the foil 17, 20.
  • the sensor elements are exposed to the liquid, which may have a protective quality reducing oxidation of the sensor elements 7a, 7b, 7c, 7d.
  • the printed circuit 9 board may carry further electronic circuits which also are protected from negative influence on the environment by the diffusive compound.
  • the lens element is generally constituted by a lid part.
  • a connector part 27 is suitably attached to the circuit board to enable contact between the circuit board and other electric and/or electronic parts (not shown).
  • Figure 2 should be regarded as schematic, mainly indicating where the section is made.
  • the different shapes of the lens element indicated in Figure 4 and Figure 5 are not explicitly shown in Figure 2.

Abstract

La présente invention concerne un capteur d'intensité de photo-rayonnement (1) comprenant un boîtier (2), une partie couvercle (4) et au moins deux éléments de capteur (7a, 7b, 7c, 7d) sensibles à un rayonnement. Les éléments de capteur (7a, 7b, 7c, 7d) sont placés sur une carte de circuit (9) possédant une première face (9a) et une seconde face (9b), lesdits éléments de capteur (7a, 7b, 7c, 7d) étant conçus pour produire des signaux de sortie servant à estimer l'impact du réchauffement dû aux rayonnements solaires. Le capteur d'intensité de photo-rayonnement (1) comprend un composé diffusif (8) qui est une matière de remplissage, ce composé étant positionné entre la partie couvercle (4) et lesdits éléments de capteur (7a, 7b, 7c, 7d). Le capteur d'intensité de photo-rayonnement (1) comprend également au moins un élément d'ombrage (10) positionné entre lesdits éléments de capteur (7a, 7b, 7c, 7d). Les éléments de capteur (7a, 7b, 7c, 7d) sont positionnés sur la première face (9a) de la carte de circuit (9), la première face (9a) étant orientée vers la partie couvercle (4) et la seconde face (9b) n'étant pas orientée vers la partie couvercle (4).
PCT/EP2012/070844 2011-10-25 2012-10-22 Capteur d'intensité de photo-rayonnement WO2013060637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1130103 2011-10-25
SE1130103-3 2011-10-25

Publications (1)

Publication Number Publication Date
WO2013060637A1 true WO2013060637A1 (fr) 2013-05-02

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PCT/EP2012/070844 WO2013060637A1 (fr) 2011-10-25 2012-10-22 Capteur d'intensité de photo-rayonnement

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9939319B2 (en) 2016-07-05 2018-04-10 Arable Labs, Inc. Radiation measuring systems and methods thereof
US10585210B2 (en) 2015-10-06 2020-03-10 Arable Labs, Inc. Apparatus for radiometric correction and orthorectification of aerial imagery
US11118810B2 (en) 2017-10-19 2021-09-14 Tom Richards, Inc. Heat transfer assembly

Citations (6)

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Publication number Priority date Publication date Assignee Title
US5553775A (en) * 1993-11-25 1996-09-10 Nissan Motor Co., Ltd. Air conditioner system for vehicle
JPH11160147A (ja) * 1997-12-01 1999-06-18 Tgk Co Ltd 日射センサー
WO2004113853A1 (fr) * 2003-06-24 2004-12-29 Accel Ab Capteur d'intensite de rayonnement photoelectrique et procede d'etalonnage correspondant
US20070023609A1 (en) * 2005-07-27 2007-02-01 Hyundai Mobis Co., Ltd. Sunlight-detecting sensor for vehicles
WO2007123282A1 (fr) * 2006-04-25 2007-11-01 Auto Electronic Corporation Capteur optique de véhicule
GB2461917A (en) * 2008-07-18 2010-01-20 Gm Global Tech Operations Inc Integrated sensor assembly for vehicle containing plurality of sensor types and theft deterrent LED

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553775A (en) * 1993-11-25 1996-09-10 Nissan Motor Co., Ltd. Air conditioner system for vehicle
JPH11160147A (ja) * 1997-12-01 1999-06-18 Tgk Co Ltd 日射センサー
WO2004113853A1 (fr) * 2003-06-24 2004-12-29 Accel Ab Capteur d'intensite de rayonnement photoelectrique et procede d'etalonnage correspondant
US7157678B2 (en) 2003-06-24 2007-01-02 Accel Ab Optical radiation intensity sensor
US20070023609A1 (en) * 2005-07-27 2007-02-01 Hyundai Mobis Co., Ltd. Sunlight-detecting sensor for vehicles
WO2007123282A1 (fr) * 2006-04-25 2007-11-01 Auto Electronic Corporation Capteur optique de véhicule
GB2461917A (en) * 2008-07-18 2010-01-20 Gm Global Tech Operations Inc Integrated sensor assembly for vehicle containing plurality of sensor types and theft deterrent LED

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10585210B2 (en) 2015-10-06 2020-03-10 Arable Labs, Inc. Apparatus for radiometric correction and orthorectification of aerial imagery
US9939319B2 (en) 2016-07-05 2018-04-10 Arable Labs, Inc. Radiation measuring systems and methods thereof
US11118810B2 (en) 2017-10-19 2021-09-14 Tom Richards, Inc. Heat transfer assembly

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