WO1990003094A1 - Appareil et dispositif permettant d'enregistrer l'etat d'installation comme l'eclairage publique, et systeme permettant de controler et d'entretenir l'eclairage publique - Google Patents

Appareil et dispositif permettant d'enregistrer l'etat d'installation comme l'eclairage publique, et systeme permettant de controler et d'entretenir l'eclairage publique Download PDF

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Publication number
WO1990003094A1
WO1990003094A1 PCT/GB1989/001073 GB8901073W WO9003094A1 WO 1990003094 A1 WO1990003094 A1 WO 1990003094A1 GB 8901073 W GB8901073 W GB 8901073W WO 9003094 A1 WO9003094 A1 WO 9003094A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
route
photo
condition
street lighting
Prior art date
Application number
PCT/GB1989/001073
Other languages
English (en)
Inventor
Vernon Taylor
Original Assignee
Tailor Made Systems Limited
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 Tailor Made Systems Limited filed Critical Tailor Made Systems Limited
Publication of WO1990003094A1 publication Critical patent/WO1990003094A1/fr
Priority to GB9104788A priority Critical patent/GB2245358B/en

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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
    • G01J1/4228—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
    • G01J1/02—Details
    • 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
    • G01J1/0219—Electrical interface; User interface
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
    • 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
    • G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources

Definitions

  • This invention is concerned with improvements relating to the recording of the condition of equipment, particularly to the condition of equipment which is located at spaced intervals along a route.
  • route includes any route which may be travel led by a vehicle.
  • Such a route may be along a specific road or roads, and/or alongside a specific pipeline or pipelines, or may be more general.
  • a principal application of the invention is the monitoring of the condition of street lighting, to enable repairs and/or maintenance to be carried out efficiently. It is, however, to be appreciated that the invention may be uti lised to monitor and record the condition of other equipment found at spaced intervals along a route, which may be observed remotely as a vehicle travels said route.
  • a particular difficulty in the maintenance of street lighting is that optimally the condition of the street lighting is determined at night- time,when the street lighting is working, and conven iently at the time of minimum traffic, which is not necessari ly the best time to employ maintenance personnel to carry out maintenance on the street lighting.
  • apparatus for recording the condition of equipment comprising a) means for logging the position of the vehicle in the course of its trave l along a route; b) output means providing output signals indicating the condition of the - ⁇ • - equipment; c) recording means for recording the output signals in correlation with the logging means and providing a record of the condition of the equipment with the position of the vehicle on said route.
  • the position of the vehicle may be entered into the logging means by a 30 user as the vehicle passes a given item of equipment (e.g. the "2nd street lamp on Main Road"), but alternatively where the vehicle travels a pre ⁇ determined route, or a route of which a specific record is kept, the logging means may include a simple distance recorder providing output signals indicating the distance travelled by the vehicle along the route, from which the actual positions of the equipment may subsequently be deduced if desired.
  • the output means may be a manually operated device, comprising (e.g.) one or more switches which may be manually activated in accordance with the observed condition of the equipment as the operator is conveyed in said ' " vehicle along said route, or may be automatically responsive to the condition of the equipment being checked.
  • the recording means may be such as provides a computer-controlled print-out indicating the output signals, particularly those indicating damaged equipment or equipment needing attention, together with the corresponding
  • TM The invention is particularly useful in the checking of the performance - of street lighting, when it is convenient that the performance be checked during periods of dark, but convenient to carry out maintenance work during daytime periods when the lighting is unpowered.
  • a vehicle carrying the apparatus may be driven along a predetermined route and as the driver or a passenger observes a "lamp out", or a lamp giving less than the normal illumination, he may press one of two switches of a first set to provide a first output signal indicating the need for lamp ⁇ fe]Jtacernenf7 ⁇ eitfter to the left or the right of the street in the direction -- V of travel along the route, alongside the position of the vehicle (e.g. distance travelled along the route from a ⁇ start position) by the recording means.
  • ⁇ voice-sensitive output means may be provided, enabling the operative to provide more detai led statements as to the condition of the equipment.
  • the recording means may subsequently be interrogated in a manner in which the message recorded at a specific location along the route may be replayed, such as when a subsequent vehicle transporting maintenance personnel, reaches the specified location.
  • said statements may be adapted to be suitable as direct voice input into a computer, whereby a databank of positions and the corresponding said statements may automatically be established in the computer memory.
  • the logging means is connected, or adapted to be connected, to a part of the vehicle to enable distance travelled by the vehicle to be logged, such as the engine of the vehicle, in a manner similar to that used by the conventional odometer.
  • the logging means may additionally log the direction of the vehicle, conveniently comprising a directional indicator such as a compass, and the recording means is operative additionally to record the direction of the vehicle in relation to the distance travelled. This may be utilised as a confirmation that the vehicle has travelled along a prescribed route, or to enable the route taken by the vehicle to be determined later and/or followed at a later stage by maintenance personnel.
  • the apparatus provides means to indicate to the driver the position of the vehicle on the route, and the direction to be fol lowed by the driver to maintain the vehicle on a prescribed route.
  • the logging means may be responsive to signals transmitted by navigation systems, e.g. satellite control led.
  • the output means is automatically responsive to the condition of the equipment being checked.
  • the output means may comprise optical sensors which respond to the perceived i llumination as the vehicle travels along a route.
  • apparatus for recording the condition of street lighting comprising: a) a sensing device adapted to be mounted in a position in relation to the vehicle in which it will respond to the i l lumination received from the street lighting in the course of the vehicle's travel along a route, and output means providing output signals relating to the level of received iilumin ⁇ tion; b) recording means providing an output signal indicating the position of the vehicle in relation to said route in the course of the vehicle's travel along said route: and c) a control device into which the output signals from the sensing device and the recording means are directed, and which produces a record relating the condition of the street lighting in relation to location on said route.
  • the sensing device is adapted to be mounted on the roof of the vehicle and advantageously comprises at least one photo responsive device.
  • the photo responsive device may be carried by the sensing device in an orientation in which if responds primarily to lighting falling on the vehicle from one side.
  • the apparatus comprises means to indicate to the driver of the vehicle a prescribed route to be followed.
  • a device for determining the output level of a street lamp said device being adapted to be secured to a vehicle such as to the roof thereof, and to provide . an output signal proportional to the light intensity of the lamp in the course of the vehicle's travel therebeneath, said device comprising: a) a frame by which the device may be secured in a desired position in relation to the vehicle: b) a housing secured to the frame: and c) a photo-sensitive device mounted on the housing in such a manner as to impose directional sensitivity upon the photo-sensitive device.
  • the photo-sensitive device may be located in relation to the frame, in a position in which it receives light falling on the vehicle primarily from one side.
  • the photosensitive device may be mounted in a cavity having the form of a narrow slot having parallel side walls extending at right angles to a longitudinal axis of the vehicle.
  • the photo-sensitive device comprises a plurality of photo-sensitive elements, each individually responsive to perceived i llumination and arranged lengthwise of the slot.
  • the device comprises a shadow element interposed between the opening of the cavity and said photo-sensitive elements to shield some at least of the photo-sensitive elements from a portion of falling light as the vehicle travels beneath said lamp, said shadow element extending parallel to the longitudinal axis of the vehicle.
  • the difference in the output signals produced by two of the photo-sensitive elements, caused by the shadow may be uti lised to determine the angle of elevation of the lamp as seen by the photo-sensitive device as the vehicle passes beneath the lamp, so permitting a compensatory value, taking account of the distance from the lamp, to be determined, as a matter of routine or to confirm the validity of the data compared with previous data on the same or similar lamps.
  • photo-sensitive devices are mounted on the frame at positions spaced apart widthwise of the vehicle.
  • photo ⁇ sensitive devices are mutually inclined outwardly of the vehicle: in this manner the output level of the lamps from both sides of the street may be determined as the vehicle drives along said street.
  • a third photo-sensitive device is utilised, which is conveniently located centrally between said two photo-sensitive devices, and directed generally upwardly.
  • a third photo-sensitive device can provide a "total light" reading, which is useful in its own right and which, if desired, may be uti lised to compensate for an ambient light level, such as a fu ll moon, which may otherwise cause said two photo-sensitive devices to indicate a light intensity higher than could be attributed to the lamp beneath which the vehicle is passing.
  • a method of monitoring and servicing street lighting comprising the steps: a) driving a vehicle along a route while the street lighting is operative; b) recording the illumination provided by the street lighting and the position of the vehicle, in the course of the vehicle's travel along said route; c) analysing the recording to obtain information relating to the condition of the street lighting at specific locations along said route.
  • FIGURE I is a schematic view of the apparatus which is the preferred embodiment of the invention.
  • FIGURE 2 is a schematic view showing said vehicle carrying the apparatus, in the performance of the preferred method:
  • FIGURES 3 and 4 are respective side elevational and plan views of a sensing means of the preferred embodiment
  • FIGURES 5 and 6 are respectively a plan view and a side sectional view of a photo-sensitive device of said sensing means
  • FIGURE 7 is a schematic view Illustrating light falling on said photo ⁇ sensitive device:
  • FIGURE 8 illustrates one form of output from the apparatus.
  • the apparatus which is the preferred embodiment of this invention is specifically for recording the condition of equipment, in the form of street lighting, located at spaced positions along a predetermined route, and comprises a control unit 6 in the form of a portable personal computer, to which various inputs may be provided.
  • the apparatus comprises means for logging the position of the vehicle in the course of the vehicle's travel along a predetermined route, said means being in the form of a distance transducer 8 adapted to be connected typically to the vehicle engine, and providing output pulses which are fed to the control unit 6 as the vehicle travels predetermined distances.
  • the apparatus also comprises sensing means providing output signals indicating the condition of the equipment being monitored, said sensing means being in the form of a sensing device 10 comprising an array of photo ⁇ sensors, the sensing device 10 being adapted to be mounted on the roof of the vehicle.
  • the vehicle will commence travelling along a predetermined route from a predetermined point, and output signals will be fed to the control unit 6 from both the distance transducer 8 and the sensing device 10, in a manner in which the output from the sensing device is correlated with the output from the distance transducer.
  • the control unit 6 may be connected to a portable terminal 14 and printer 1 6, to produce a print-out in the form illustrated in Figure 8.
  • the control unit incorporates an analogue-to-digital converter, converting the analogue output signals to digital signals for the terminal 14. and further carries out amplification, smoothing, and noise suppression.
  • outputs from the sensing device are plotted along the sides of the paper, with the output from the distance transducer plotted centrally.
  • the peaks A indicate the passage of the vehicle beneath fully or acceptably operative lamps at the specified distance from the start position.
  • the output B would typically represent a situation where a lamp was displaying a lower than acceptable output by virtue of the need for cleaning, whi lst the output C would indicate the need for replacement of the bulb or bulbs of the lamp.
  • maintenance engineers may for example at a subsequent stage fol low the route, and read off the location of lamps (whether left or right-hand side of the road, and the distance from the start position) which are in need of attention.
  • the Figure 8 print out represents data gathered on a continuous or near continuous basis.
  • the computer may provide pre- processed output in the form or one or more "tables", for example:
  • the sensing device 10 comprises a frame
  • the housing is provided with a central opening 106, accessible through a side face of the housing and closable by a cover 108.
  • Side edges I 10 of the housing are inclined, for example at 45 , and from which inclined edges cavities 1 1 2, 1 14 extend on opposite sides of the housing.
  • the housing 104 is so arranged in relation to the frame 102 as to ensure that the housing extends widthwise of the vehicle, i.e. with the longitudial axis L/A of the housing extending at right angles to the longitudinal axis of the vehicle.
  • a photo-sensitive device I 1 Located ⁇ n each of the cavities 1 12, I 14 is a photo-sensitive device I 1 , shown in Figures 5 and 6, comprising a housing I 1 8 provided with an interior cavity 120 in the form of a narrow slot having parallel side walls 122. Located within the cavity 120 is a photo-sensitive array comprising four photo-sensitive elements 1 24a, 124b, 1 24c and I 24d.
  • the devices I 16 are so arranged so as to be capable of being located in one of the cavities 1 1 2, 1 14 of the housing 104, in an orientation in which the photo-sensitive elements 124 are in line longitudinally of the narrow slot, i.e. being aligned with the longitudinal axis L/A of the housing 104.
  • the array of photo-sensitive elements 124 extend widthwise of the vehicle, i.e. generally at right angles to the direction in which the vehicle will be driven along a road. in this manner, since the array is located in a narrow cavity, directional sensitivity (i.e. a restricted field of view) is Imposed upon the devices.
  • the devices will respond primarily to light falling upon them as they pass by or directly beneath a street lamp, and the output signals produced in response to said light will be in the form of a sharp peak.
  • a shadow element afforded by a bridge 1 26, located directly over the inner pair I 24b_ and ! 24c of the four photo-sensitive elements 124.
  • one photo-sensitive element either the element I 24a or I 24d
  • wil l be free from shadow, either by the bridge 1 26 or the side walls 122, enabling the production of a base signal level.
  • the difference between the outputs from the inner two photo-sensitive elements I 24b_ and 124c, produced by the shadow from the bridge 1 26, enables a determination to be made of the elevation E of the lamp, as seen from the photosensitive device, as compared with the elevation measured on previous runs. This allows a correction to be made, as a matter of routine or as a
  • the output signals achieved from the devices may be accurately interpreted, irrespective of which side of the road the vehicle is on, as dictated by the
  • the sensing device 10 comprises a third photo-sensitive device 130, conveniently located central ly between the devices 1 1 , so as to receive overall i lluminance, including background i l liumination (which may include radiation from the lamps themselves) to produce an at least 0 substantially continuous output signal which is worthwhi le in its own right, as a measure of overall il luminance, and which may be substracted from the output signals of the devices 1 1 6, to cancel out the effect (e.g.) of moonlight or of light reflected from low clouds.
  • overall i lluminance including background i l liumination (which may include radiation from the lamps themselves) to produce an at least 0 substantially continuous output signal which is worthwhi le in its own right, as a measure of overall il luminance, and which may be substracted from the output signals of the devices 1 1 6, to cancel out the effect (e.g.) of moonlight or of light reflected from low clouds.
  • the memory of the control unit 6 may be pre-loaded with information relating to a trial run of a vehicle along said predetermined routes, under conditions where all lamps along the route are performing satisfactorily, so that the control unit is capable of comparing the output from each lamp as the sensing device 10 is carried thereunder with a datum value, to determine the degree of reduction of output, for use in determining ° the remedial action which is necessary.
  • the photo-sensitive devices I 1 6 also comprise means to sense the frequency of the light being monitored, and to provide an appropriate output to the control unit 6, whereby the print-out may be provided with a means which indicates the type of lamp in need of replacement.
  • Each of the cavities 1 12, I 14 is sealed for protection by a transparent glass cover (not shown), or could be fi lled with a transparent medium.
  • a means to determine the direction of travel of the vehicle is connected to the control unit, so that, in conjunction with the output from the distance transducer, the control unit may ascertain the desired direction, and signal appropriately to the driver as to the desired direction along the route.
  • This is conveniently effected by the use of a driver indicating unit 20, operating under the control of the unit 6, to indicate (e.g. audibly) to a driver (for example) the direction and distance of a forthcoming turn.
  • the apparatus which is the preferred embodiment of this invention has the capability of allowing for deviations from a predetermined route, and the output from the compass device 18 is utilised to indicate to the control unit 6 the actual route being taken.
  • a further print-out may be obtained from the control unit which indicates to a subsequent maintenance team the actual route which was taken, so that they can subsequently follow that route to carry out the necessary maintenance as indicated on the primary print-out.
  • the print out may indicate the actual positions of the lamp(s) requiring attention.
  • control unit 6 may be connected to the control unit 6, more conveniently or alternatively to indicate the route being taken by the vehicle, such as a satellite aided navigation device 22, and if desired an output may be provided to the control unit from a manually operable device, which may comprise simply a series of labelled switches, or a voice output from a tape unit.
  • a manually operable device which may comprise simply a series of labelled switches, or a voice output from a tape unit.
  • a print-out is obtained indicating the route taken by the driver.
  • This may be in the form of a simple alpha-numeric coding, where the vehicle travelled along a specifically predetermined route, or maybe in the form of driver-readable instructions, where the route taken was selected by the driver, in the form of distance and directional information provided by the distance transducer and compass.
  • the maintenance team utilising the Information initially gathered may be provided with simple directions, such as to take a predetermined route, or a route specified in a print-out, and information that specific remedial action needs to be taken regarding lamps at specified distances along the route from a start position.
  • a determination may be made of lamps which need cleaning, and by measuring sudden changes in intensity, prediction may be made as to lamps which may be expected in the near future to fail, allowing them to be changed prior to failure, if desired.
  • the invention may be utilised more broadly to automatically or semi- automatically monitor the condition of equipment located alongside a route at spaced intervals, where said equipment provides radiant energy indicating its condition, including radiant energy in the form of radio waves which may be transmitted selectively on the occurrence of a fault, or a need of the equipment for specified maintenance.
  • the vehicle uti lised in the preferred embodiment is a car
  • any other convenient form of vehicle may be used, such as an aeroplane, or a bicycle.
  • vehicle as used herein includes any mobi le platform; for use over long distances the vehicle is preferably self-propelled; for use over short distances, the vehicle may be simply a hand-pul led cart, for example with a "distance wheel” which, in rolling along the ground, provides a record of the distance travel led.
  • a record of the positions of street lamps or the like, along a road is of value in its own right (for example assisting the public and road maintenance engineers to describe and identify corresponding . or intermediate positions of "pot-holes" to be fi l led) and hence the term
  • condition includes the basic fact that equipment is present.
  • the apparatus may provide an audible "beep” when it passes the equipment concerned, and make a record of the position of the vehicle at th ⁇ t time, from which ⁇ database of equipment positions may be established.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Appareil permettant d'enregistrer l'état d'installations situées en des lieux espacés le long d'un parcours, comme par exemple l'éclairage publique, comprenant une unité de commande (6), ayant la forme d'un ordinateur personnel, que l'on alimente en données diverses. L'appareil est également doté d'unités d'enregistrement pour enregistrer la position du véhicule pendant le parcours de celui-ci, tel qu'un transducteur de distance (8) conçu pour être connecté au moteur du véhicule. L'appareil comprend également des systèmes de lecture qui fournissent des signaux de sortie indiquant quel est l'état de l'installation contrôlée, tels que des signaux indiquant l'état des lampes publiques pendant que le véhicule passe en dessous d'elles. La lecture se fait au moyen d'un détecteur (10) comprenant une série de photocapteurs, et conçu pour être monté sur le toit d'un véhicule. Lorsque le véhicule suit son parcours et que l'appareil fonctionne, l'unité de commande (6) reçoit des signaux de sortie à la fois du transducteur de distance (8) et du détecteur (10), les deux signaux étant ensuite corrélés. On peut connecter l'unité de commande (6) à un terminal portatif et une imprimante (16) pour obtenir, sous forme imprimée, une indication sur l'état de l'éclairage publique le long d'un parcours donné.
PCT/GB1989/001073 1988-09-12 1989-09-12 Appareil et dispositif permettant d'enregistrer l'etat d'installation comme l'eclairage publique, et systeme permettant de controler et d'entretenir l'eclairage publique WO1990003094A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9104788A GB2245358B (en) 1988-09-12 1991-03-07 Apparatus and device for recording the condition of equipment,such as street lighting,and method of monitoring and servicing street lighting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888821344A GB8821344D0 (en) 1988-09-12 1988-09-12 Recording condition of equipment
GB8821344.2 1988-09-12

Publications (1)

Publication Number Publication Date
WO1990003094A1 true WO1990003094A1 (fr) 1990-03-22

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Country Status (3)

Country Link
AU (1) AU4313989A (fr)
GB (2) GB8821344D0 (fr)
WO (1) WO1990003094A1 (fr)

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WO2004095007A1 (fr) * 2003-04-24 2004-11-04 Odyssey Energy Limited Mesure de la reflectance d'une route et de l'eclairage routier
ITBO20080461A1 (it) * 2008-07-23 2010-01-23 Ocem Spa Metodo per rilevare il flusso luminoso emesso dalle sorgenti luminose di un impianto di illuminazione e sistema che attua tale metodo.
EP2503309A1 (fr) * 2009-11-17 2012-09-26 Simulacions Optiques S.L. Dispositif photométrique électro-optique dynamique et son procédé pour la mesure dynamique de la quantité et de la distribution de lumière polychromatique
FR2976662A1 (fr) * 2011-06-14 2012-12-21 Spie Sa Dispositif pour determiner la repartition de l'intensite lumineuse de l'eclairage public sur une zone geographique donnee, vehicule comprenant ce dispositif et procede associe
ITPI20110100A1 (it) * 2011-09-16 2013-03-17 Alessandro Pini Metodo per la misurazione dell'efficienza luminosa di impianti di illuminazione stradale ed apparecchiatura che attua tale metodo
WO2017001233A1 (fr) 2015-07-02 2017-01-05 Danmarks Tekniske Universitet Détection de lumière de rue
EP3141876A1 (fr) * 2015-09-11 2017-03-15 Bouygues Energies et Services Procédé de relevé de données photométriques de précision améliorée
GB2565873A (en) * 2017-05-26 2019-02-27 Ford Global Tech Llc Determining infrastructure lamp status using a vehicle
IT202100009704A1 (it) * 2021-04-16 2022-10-16 Huna S R L Sistema di rilevamento della luce emessa da uno o più punti luce esterni posizionati sui lati di una strada

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GB0318230D0 (en) * 2003-08-04 2003-09-03 Schofield Darryl Solar powered, wireless street measuring device

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WO2004095007A1 (fr) * 2003-04-24 2004-11-04 Odyssey Energy Limited Mesure de la reflectance d'une route et de l'eclairage routier
ITBO20080461A1 (it) * 2008-07-23 2010-01-23 Ocem Spa Metodo per rilevare il flusso luminoso emesso dalle sorgenti luminose di un impianto di illuminazione e sistema che attua tale metodo.
EP2503309A4 (fr) * 2009-11-17 2017-03-29 Simulacions Optiques S.L. Dispositif photométrique électro-optique dynamique et son procédé pour la mesure dynamique de la quantité et de la distribution de lumière polychromatique
EP2503309A1 (fr) * 2009-11-17 2012-09-26 Simulacions Optiques S.L. Dispositif photométrique électro-optique dynamique et son procédé pour la mesure dynamique de la quantité et de la distribution de lumière polychromatique
FR2976662A1 (fr) * 2011-06-14 2012-12-21 Spie Sa Dispositif pour determiner la repartition de l'intensite lumineuse de l'eclairage public sur une zone geographique donnee, vehicule comprenant ce dispositif et procede associe
ITPI20110100A1 (it) * 2011-09-16 2013-03-17 Alessandro Pini Metodo per la misurazione dell'efficienza luminosa di impianti di illuminazione stradale ed apparecchiatura che attua tale metodo
WO2017001233A1 (fr) 2015-07-02 2017-01-05 Danmarks Tekniske Universitet Détection de lumière de rue
EP3141876A1 (fr) * 2015-09-11 2017-03-15 Bouygues Energies et Services Procédé de relevé de données photométriques de précision améliorée
FR3041094A1 (fr) * 2015-09-11 2017-03-17 Bouygues Energies & Services Procede de releve de donnees photometriques de precision amelioree
GB2565873A (en) * 2017-05-26 2019-02-27 Ford Global Tech Llc Determining infrastructure lamp status using a vehicle
US10523759B2 (en) 2017-05-26 2019-12-31 Ford Global Technologies Determining infrastructure lamp status using a vehicle
IT202100009704A1 (it) * 2021-04-16 2022-10-16 Huna S R L Sistema di rilevamento della luce emessa da uno o più punti luce esterni posizionati sui lati di una strada
WO2022219390A1 (fr) * 2021-04-16 2022-10-20 Huna S.R.L. Système de détection de lumière émise par un ou plusieurs points de lumière extérieurs positionnés sur les côtés d'une route

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GB9104788D0 (en) 1991-05-15
GB2245358A (en) 1992-01-02
GB2245358B (en) 1993-02-03
AU4313989A (en) 1990-04-02
GB8821344D0 (en) 1988-10-12

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