Process for classification status of acquired image from subject according to pre-determined classification status, wherein the process comprising the steps of (i) dividing a acquired image from a subject into a plurality of instances; (ii) converting said acquired image to a graph according to the spatial relationship between the plurality of instances of step (i); (iii) extracting initial feature representations from the plurality of instances; (iv) inputting said graph acquired in step (ii) and said initial feature representations acquired in step (iii) into a pre-trained graph convolutional network, for transforming the instances into low-dimensional embeddings, wherein the pre-trained graph convolutional network has been pre-trained utilising one or more training data input sets, wherein said data inputs include a plurality of training images each of which is labeled according to a predetermined classification status; (v) computing a weighting vector for each instance utilising the graph of step (ii) and the low-dimensional embeddings of step (iv) by a graph attention mechanism which integrates the spatial relationship of the plurality of instances into the attention mechanism; (vi) calculating a weighting sum of the plurality of instances based on said lower-dimensional embeddings acquired in step (iv) and the and the weighting vector for each instance of step (v); wherein the weighting sum of the plurality of instances is converted into a class score indicating the classification status of the acquired image.
A coating for application to a glass substrate for attenuation of contaminants disposed on said substrate, wherein said coating is comprised of nanodiamonds.
A61L 2/232 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet utilisant des substances chimiques des substances solides, p. ex. des granules, des poudres, des blocs, des comprimés en couches ou revêtues
A61L 101/04 - Carbone élémentaire, p. ex. charbon actif
A system (300) for providing a three-dimensional computer tomography image of a gemstone, the system (300) comprising an X-ray source (330) for providing an X-ray towards a gemstone (320); an X-ray detector system for detecting X-rays transmitted through or diffracted by the gemstone (320). The X-ray detector system surrounds the gemstone (320) and detects a three-dimensional multi-angle X-ray diffraction pattern from the gemstone (320) upon rotation of the gemstone (320) within the X-ray field, and provides an output signal therefrom, wherein the output signal provides for invasive three-dimension multiangle X-ray diffraction reconstructed computed tomography from the three-dimension multiangle X-ray diffraction pattern.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
G01N 23/20 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffraction de la radiation par les matériaux, p. ex. pour rechercher la structure cristallineRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffusion de la radiation par les matériaux, p. ex. pour rechercher les matériaux non cristallinsRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux
A device(100a(i), 100a(ii), 100a(iii), 100a(iv), 200) for enhancing polarization of 13C isotope-based magnetic resonance imaging contrast agents, comprising one or more diamond material structures(120(i), 120(ii), 120(iii), 120(iv), 210, 220) and one or more channels(105a (i), 105a (ii), 105a (iii), 105a (iv), 205) provided adjacent to the diamond material structures(120(i), 120(ii), 120(iii), 120(iv), 210, 220); the diamond material structures(120(i), 120(ii), 120(iii), 120(iv), 210, 220) provide a source of negatively charged nitrogen vacancy centres for polarization of a 13C isotope-based magnetic resonance imaging contrast agent disposed in one or more channels(105a (i), 105a (ii), 105a (iii), 105a (iv), 205); and the diamond material structure(120(i), 120(ii), 120(iii), 120(iv), 210, 220) provides a light guide for light for excitation of nitrogen vacancy centres for polarization of 13C isotope-based magnetic resonance imaging contrast agent.
G01R 33/56 - Amélioration ou correction de l'image, p. ex. par des techniques de soustraction ou d'établissement de moyenne
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
5.
PROTECTIVE MASK, AIR FILTRATION ELEMENT AND AIR TREATMENT ELEMENT
A layer for a protective mask (100a, 100b, 200a) comprises at least a first sublayer (122b, 218b), wherein the first sublayer (122b, 218b) includes a first substrate and a layer of a plurality of nanoparticles (124b, 7) of a nanomaterial provided on the first substrate. The protective mask (100a, 100b, 200a) includes an outer layer (120b, 230a) which is made of an organic fibular network bonded with nanomaterials. An air filtration element (900, 1070, 1240) for attenuation of airborne contaminants includes negatively charged nanodiamonds (920, 1320). A filter (1100, 1200, 1500, 1600) for an air conditioning system (1130, 1530) or an air purifier (1230, 1630) comprises the air filtration element (900, 1070, 1240). An air treatment element (1140,1300,1540,1640) comprises nanodiamonds (920,1320) including colour centers. The protective mask (100a, 100b, 200a), the air filtration element (900, 1070, 1240), the air treatment element (1140,1300,1540,1640) and the filter (1100, 1200, 1500, 1600) overcome or at least partially ameliorate some of the deficiencies as associated with those of the prior art.
A process of forming a non-optically detectable authentication marking (210,320, 410,535) in a diamond (200,300). Authentication marking (210,320,410,535) is formed adjacent the outer surface of an article formed from a diamond material having intrinsic optical centers. Method includes the step of applying an image of predesigned authentication marking(210,320,410,535) to a region (201,310,530) of a diamond (200,300) at or adjacent the surface of the diamond (200,300) by way of a direct laser writing; wherein the fluorescence background of the diamond material from intrinsic optical center is suppressed by authentication marking(210,320, 410, 535) under fluorescent imaging, such that the non-optically detectable identifiable authentication marking (210,320,410,535) is viewable against the fluorescence background at the region (201,310,530) of the diamond (200,300) where the authentication marking (210,320,410,535) is applied.
B28D 5/00 - Travail mécanique des pierres fines, pierres précieuses, cristaux, p. ex. des matériaux pour semi-conducteursAppareillages ou dispositifs à cet effet
B44C 1/22 - Enlèvement superficiel de matière, p. ex. par gravure, par eaux fortes
A process of forming a non-optically detectable authentication marking (110), includes the step of: applying a marking at a surface of a diamond (200) using a focused ion beam (FIB) writing process so as to provide a non-optically detectable authentication marking (110) which is formed by alteration in the optical characteristics of a portion of the diamond material at the outer surface of the diamond to form a marked portion; wherein the marking is optically invisible, and wherein the marking is viewable by an imaging method which provides an observable contrast between the portion of the diamond having altered optical characteristics and the non-marked portion of the diamond. The marking process can assist in the prevention of the counterfeiting of precious articles, and be of assistance in the incident of theft. A marking, a diamond, a process of viewing a marking on a diamond are further disclosed.
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
B44C 1/00 - Procédés non expressément prévus ailleurs pour la production d'effets décoratifs sur des surfaces
8.
A PROCESS OF ENHANCING NITROGEN VACANCY (NV) CENTER SPIN EXCITATION IN HYPERPOLARIZATION APPLICATION
A process for enhancing polarization of 13C for subsequence MRI imaging, the process comprising providing a suspension consisting of a first plurality of particulates having NV centers and a second plurality of particulates for providing internal reflection of light with wavelength for the excitement of NV centers and 13C; and applying light, magnetic field and microwave to said suspension, such that the NV centers are polarized and such that the electron spins of the VN centres are transferred to 13C atoms upon the Rabi frequency of the NV centres matching the Larmor frequency of 13C; wherein the particulates of the second plurality reflect and transmit the light through the suspension such that said light is distributed through said suspension.
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
A conjugate(110) comprising a nanoparticle(210) for delivery of a drug to a treatment site in the body of a subject; a drug molecule(220) releasably linked to said nanoparticle(210), wherein said drug molecule(220) has a therapeutic effect at the treatment site in the body of the subject; and a disease targeting molecule(230) releasably linked to said nanoparticle(210); wherein upon said conjugate(110) being adjacent diseased tissue(240) of a subject, said disease targeting molecule(230) retains the conjugate(110) adjacent said diseased tissue(240); said drug molecule(220) is released from said nanoparticle(110) so as to provide a therapeutic effect to said diseased tissue(240); and said disease targeting molecule(230) is subsequently released from said nanoparticle(210) such that retention of the nanoparticle(210) is released, and such that the nanoparticle(210) is dispersible from said diseased tissue(240).
A61K 47/68 - Préparations médicinales caractérisées par les ingrédients non actifs utilisés, p. ex. les supports ou les additifs inertesAgents de ciblage ou de modification chimiquement liés à l’ingrédient actif l’ingrédient non actif étant chimiquement lié à l’ingrédient actif, p. ex. conjugués polymère-médicament l’ingrédient non actif étant un agent de modification l’agent de modification étant un anticorps, une immunoglobuline ou son fragment, p. ex. un fragment Fc
A61K 47/64 - Conjugués médicament-peptide, médicament-protéine ou médicament-acide polyaminé, c.-à-d. l’agent de modification étant un peptide, une protéine ou un acide polyaminé lié par covalence ou complexé à un agent thérapeutiquement actif
A61K 47/54 - Préparations médicinales caractérisées par les ingrédients non actifs utilisés, p. ex. les supports ou les additifs inertesAgents de ciblage ou de modification chimiquement liés à l’ingrédient actif l’ingrédient non actif étant chimiquement lié à l’ingrédient actif, p. ex. conjugués polymère-médicament l’ingrédient non actif étant un agent de modification l’agent de modification étant un composé organique
A conjugate comprising (a) a nanodiamond; (b) human serum albumin (HSA) adhered on the surface of nanodiamond by physical adsorption; and (c) a drug molecule chemically linked to said human serum albumin, wherein said drug molecule has a therapeutic effect.
A61K 47/69 - Préparations médicinales caractérisées par les ingrédients non actifs utilisés, p. ex. les supports ou les additifs inertesAgents de ciblage ou de modification chimiquement liés à l’ingrédient actif l’ingrédient non actif étant chimiquement lié à l’ingrédient actif, p. ex. conjugués polymère-médicament le conjugué étant caractérisé par sa forme physique ou sa forme galénique, p. ex. émulsion, particule, complexe d’inclusion, stent ou kit
A61K 31/704 - Composés ayant des radicaux saccharide liés à des composés non-saccharide par des liaisons glycosidiques liés à un composé carbocyclique, p. ex. phloridzine liés à un système carbocyclique condensé, p. ex. sennosides, thiocolchicosides, escine, daunorubicine, digitoxine
A61K 31/519 - PyrimidinesPyrimidines hydrogénées, p. ex. triméthoprime condensées en ortho ou en péri avec des hétérocycles
A61K 31/436 - Composés hétérocycliques ayant l'azote comme hétéro-atome d'un cycle, p. ex. guanéthidine ou rifamycines ayant des cycles à six chaînons avec un azote comme seul hétéro-atome d'un cycle condensés en ortho ou en péri avec des systèmes hétérocycliques le système hétérocyclique contenant un cycle à six chaînons ayant l'oxygène comme hétéro-atome du cycle, p. ex. rapamycine
A61P 17/00 - Médicaments pour le traitement des troubles dermatologiques
12.
CANCER CELL DETECTION AND IMAGING SYSTEM, PROCESS AND PRODUCT
A method of distinguishing cancerous cells and healthy cells of a subject from each other comprises the steps: (i) contacting a region of tissue of a subject suspected of including at least some cancer cells with a plurality of nanodiamonds, wherein the plurality of nanodiamonds comprise a first plurality of conjugates, wherein the conjugates of the first plurality of conjugates consist of first nanodiamonds and one or more cancer cell targeting agents, wherein the first nanodiamonds have a first type of colour center, and a second plurality of conjugates, wherein the conjugates of the second plurality of conjugates consist of second nanodiamonds and one or more healthy cell targeting agents, wherein the second nanodiamonds have a second type of colour center; and (ii) applying light of a first wavelength so as to excite the first type of colour center and applying light of a second wavelength so as to excite the second type of colour center, wherein upon contacting the region of tissue with the plurality of nanodiamonds, cancer cells are adhered to the first plurality of conjugates, and healthy cells are adhered to the second plurality of conjugates; wherein upon applying light to the region of tissue, the colour centers of the nanodiamonds of the first plurality of conjugates adhered to cancer cells emit fluorescence at a first wavelength, and the colour centers of the nanodiamonds of the second plurality of conjugates adhered to healthy cells emit fluorescence at a second wavelength; and wherein the colour contrast between the two wavelengths and the positions of respective conjugates delineate the area of cancer cells and the area of healthy cells from each other.
G01N 33/50 - Analyse chimique de matériau biologique, p. ex. de sang ou d'urineTest par des méthodes faisant intervenir la formation de liaisons biospécifiques par ligandsTest immunologique
A topically administrable moisturising composition for moisturising the skin of a subject, said moisturising composition comprising (i) a plurality of conjugates wherein each conjugate is comprised of a nanodiamond and a plurality of water molecules, and (ii) a carrier media for topical administration.
A method of forming a non-optically detectable identifiable marking invisible to the naked eye, said marking is formed from a of plurality of recesses of multiple levels at an outer surface of an article formed from a solid-state material, and said method including the steps of: forming a plurality of recesses of multiple levels within a predetermined region of a photoresist applied to an outer surface of an article formed from a solid-state material, wherein said plurality of recesses of multiple levels is formed by grayscale lithography and wherein said one or more recesses extend at least partially through the photoresist and towards said outer surface of the article formed from a solid-state material; and applying an etching process such that at least a portion of the outer surface of said article is exposed and etched so as to form a plurality of etched portions extending into said article from the outer surface of the article and corresponding to said plurality of recesses; wherein said predetermined region of said photoresist defines an identifiable marking to be applied to the outer surface of said article; wherein said plurality of etched portions forms the non-optically identifiable marking on the outer surface of said article.
B44C 1/22 - Enlèvement superficiel de matière, p. ex. par gravure, par eaux fortes
B28D 5/00 - Travail mécanique des pierres fines, pierres précieuses, cristaux, p. ex. des matériaux pour semi-conducteursAppareillages ou dispositifs à cet effet
An image acquisition system for acquiring an image of an article, said system including an optical image acquisition device for acquiring an image of an article, wherein said article is at least partially transparent; a first light source for transmitting light through said article; a first linear polarizer and a second linear polarizer, wherein said first linear polarizer and said second linear polarizer are disposed between the optical image acquisition device and the first light source, the first linear polarizer being disposed proximal to the first light source and the second linear polarizer being disposed distal to the first light source and adjacent the optical image acquisition device; and an article support member disposed between the first linear polarizer and the second linear polarizer for supporting the article, wherein the article support member is optically transparent; wherein said first linear polarizer and said second linear polarizer are operably oriented in crossed orientations to each other such that light emitted from the first light source is substantially prevented from being received by the optical image acquisition device; and wherein upon the article being supported by the article support member, the article alters the polarization of light polarized by the first linear polarizer such that the article is optically detectable by the image acquisition device, and such that an image is acquirable by the image acquisition device comprising the article which contrasted from background against which an image of the article is acquired.
A process operable using a computerized system (100) for grading the colour of a jade article (260), wherein the article is at least partially transparent and wherein the colour of the jade article (260) is correlated with the colour from a set of standardized reference colour data, the computerized system (100) including an optical image acquisition device (110, 225), a processor module (120, 220) and an output module (140, 240) operably interconnected together. The process includes the steps of (i) acquiring a background image of the environment; (ii) acquiring a mask image, wherein the mask image is acquired with the jade article (260) disposed between two linear polarizers (250a, 250b); (iii) removing the background and correcting the article image and comparing data derived from the article image with a set of standardized reference colour data; responsive to a predetermined threshold of correlation between the pixel colour values of a region of the article with data derived from input of the first optical image and assigning a colour to region of the article, an output signal is provided indicative of the colour of region of the article.
A process operable using a computerized system for displaying an article from a set of wearable articles or accessories, wherein the article is displayed based upon a correlation between data indicative of features of mental impression of an article and the displayed article, the computerized system including a touch sensitive input device, a processor module and a visual display module operably interconnected together via a communication link, said process including the steps of (i) entering via a touch sensitive input device a first visual representation indicative of at least a portion of a mental impression of an article, wherein the first visual representation is a two-dimensional representation in a first predetermined viewing plane; (ii) in a processor module, comparing during step (i) data derived from input of the first visual representation and a plurality of data sets each of which corresponds to and is derived from each article of a plurality of articles, wherein data sets are each derived as a two-dimensional data in said first predetermined viewing plane; an (iii) displaying on a visual display module, responsive to a predetermined threshold of correlation between the data derived from input of the first visual representation and at least one of the plurality of data sets from step (ii), a visual representation of at least a first article corresponding to the at least one of the plurality of data sets.
A process of forming an identification marking within article formed from an at least partially optically transparent material (810) for identification and validation, process including the steps of (i) forming an indicia with the at least partially optically transparent material (810) by way of subsurface laser engraving (SSLE); and (ii) forming a plurality of defects (130) within or adjacent indicia within the at least partially optically transparent material (810) resultant of the step of forming the indicia and from localized heating and irregularities in the at least partially optically transparent material (810), wherein the plurality of defects (130) forms the identification marking.
Provided is a process of forming a three-dimensional micro component, including the step of (i) forming a three-dimensional (3D) geometry contour within a photoresist material using two-photon absorption polymerization, wherein the three-dimensional geometry contour forms a cross-linked polymeric contour defining an outer surface portion of a micro component upon the three-dimensional geometry portion formed in the photoresist having been baked; and (ii) applying a UV (ultraviolet) polymerization process so as to cross-link polymeric material of the photoresist adjacent said three-dimensional geometry contour.
A method of forming a marking on an article (100, 202, 200, 820, 900), and an article (100, 202, 200, 820, 900) having a mark thereon. In an aspect, a mold (201, 400, 500, 600, 700), for imparting a marking includes a requisite optical element having two and a half dimensions (2.5D) to the outer surface of an article (100, 202, 200, 820, 900) formed from a ductile material (421, 720a, 720b, 720c), said mold (201, 400, 500, 600, 700) comprising: a marking surface including a micro-structure formed by an arrangement of a plurality of micro meter sized recessed or protruded entities; said entities are arranged so as to provide one or more recesses extending in a direction of from said marking surface into the mold(201, 400, 500, 600, 700); deformation and flow of the ductile material (421, 720a, 720b, 720c) into the recesses reduces lateral stresses imparted to the mold (201, 400, 500, 600, 700) adjacent the recesses, and ductile urged into the recesses forms a portion of the material from deformation of the ductile material (421, 720a, 720b, 720c) being imparted to the entities optical element having two and a half dimensions (2.5D).
B29C 37/00 - Éléments constitutifs, détails, accessoires ou opérations auxiliaires non couverts par le groupe ou
G03H 1/00 - Procédés ou appareils holographiques utilisant la lumière, les infrarouges ou les ultraviolets pour obtenir des hologrammes ou pour en obtenir une imageLeurs détails spécifiques
21.
APPARATUS, DEVICE AND PROCESS FOR COATING OF ARTICLES
An apparatus (100) for coating at least a first plurality of articles (130), each article thereof having at least a first surface (140) to be coated is disclosed. The apparatus (100) includes an emission source (120) for directing emission elements (155) towards the first surfaces (140) of the plurality of articles (130), at least one support member for supporting the first plurality of articles (130), wherein support member (110) supports the first plurality of articles (130) such that the first surface (140) is exposed to the path of emission (155) from said emission source (120), and a drive assembly (160) for moving the support member (110) such that the first plurality of articles (130) is moveable with respect to the path of emission (155) from said emission source (120).
A process of providing an antibacterial coating to the surface of an article including the steps of applying a layer of an antibacterial precursor layer to the surface of an article to which an antibacterial coating is to be applied, wherein said antibacterial precursor layer is a precursor from which the coating is to be formed; and directing a neutral molecular hydrogen flux from a neutral molecular hydrogen flux emission source towards the surface of the article. Upon impact of neutral hydrogen molecules on molecules at or on the surface of an article, the bonds of the antibacterial precursor layer are selectively ruptured, and wherein the selectively ruptured bonds cross-link with themselves or with other chemical moieties at said surface or a combination thereof, resulting an antibacterial coating being formed on the surface of the article.
A torque-restoring element(100) for an oscillator for a mechanical timepiece comprises a spiral spring body(110) having a number N turnings(170) with an inner terminal end(115) for engagement with a rotational inertial element via a collet(117), and an outer terminal end(125) for engagement with a stationary cock element, the said spiral spring body(110) having a width, a height and a total arc length includes a core(180a) formed from mono-crystalline silicon wafer oriented along the crystallographic axis <110>; and wherein the spiral spring body(110) includes at least one peripheral coating(190a) of a material having a thermal elastic constant different from that of the core(180a) of the spiral spring body(110) so as to maintain the oscillator frequency of an oscillator including the torque-restoring element(100) substantially insensitive to variations of ambient temperature.
A method of forming a multi-level component having a first surface portion a first level and a second surface portion of a second level different to the level of the first level, said method including the steps of forming at least one arrangement of micro trenches or an arrangement of micro pillars having a micro trench therebetween in a predetermined arrangement in a mask material by one or more lithography processes, wherein one or more of said micro trenches have a first aspect ratio and one or more of said micro trenches have a second aspect ratio different from said first aspect ratio; applying one or more etching processes to a surface of a component upon which said mask is applied, wherein the component is etched by an aspect ratio dependent etch (ARDE) process so as to form an arrangement of micro trenches and micro pillars between adjacent micro trenches; wherein one or more micro trenches corresponding to the micro trenches of the first aspect ratio is etched a first level from said surface of the component, and wherein one or more micro trenches corresponding to the micro trenches of the second aspect ratio is etched at a second level from said surface of the component and at different level to said fist level; and (iii) removing said arrangement of micro pillars from said component by a removal process; wherein upon removal of said micro pillars a first surface portion is formed at said first level and a second surface portion is formed at said second level, wherein the second surface portion is at a different level to that of the of the first surface portion.
A method of forming a non-optically detectable identifiable mark at an outer surface of an article formed from a solid state material, said method including the steps of forming a plurality of recesses within a predetermined region of a photoresist applied to an outer surface of an article formed from a solid state material, wherein said plurality of recesses is formed by two-photon absorption lithography and wherein said one or more recesses extend at least partially through the photoresist and from an outer surface of the photoresist and towards said outer surface of the article formed from a solid state material; and applying an etching process such that at least a portion of the outer surface of said article is exposed and etched so as to form a plurality of etched portions extending into said article from the outer surface of the article and corresponding to said plurality of recesses; wherein said predetermined region of said photoresist defines an identifiable mark to be applied to the outer surface of said article; wherein said plurality of etched portions forms the non-optically identifiable mark on the outer surface of said article; and wherein the maximum width of the etched portions of is less than 200nm such that the identifiable mark is non-optically detectable in the visible light spectrum.
B28D 5/00 - Travail mécanique des pierres fines, pierres précieuses, cristaux, p. ex. des matériaux pour semi-conducteursAppareillages ou dispositifs à cet effet
B44B 7/00 - Machines, appareils ou outils à main pour pyrograver
B44C 1/00 - Procédés non expressément prévus ailleurs pour la production d'effets décoratifs sur des surfaces
B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
G03F 7/00 - Production par voie photomécanique, p. ex. photolithographique, de surfaces texturées, p. ex. surfaces impriméesMatériaux à cet effet, p. ex. comportant des photoréservesAppareillages spécialement adaptés à cet effet