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    • 1. 发明申请
    • APPARATUS AND METHOD FOR ACQUIRING A TWO-DIMENSIONAL IMAGE OF THE SURFACE OF A THREE-DIMENSIONAL OBJECT
    • 用于获取三维物体表面的二维图像的装置和方法
    • WO2012046146A2
    • 2012-04-12
    • PCT/IB2011002849
    • 2011-10-05
    • CAPSUGEL BELGIUM NVHUMPHRIES MARK ROBSONMERRITT PAUL ANTONYVANQUICKENBORNE STEFAAN JAAK
    • HUMPHRIES MARK ROBSONMERRITT PAUL ANTONYVANQUICKENBORNE STEFAAN JAAK
    • G01N21/95
    • G01N21/9508G01N21/8851G01N21/952G06T7/0004H04N7/18
    • The invention relates to an apparatus for acquiring a two-dimensional image of the external surface of a three-dimensional object (3) comprising: - displacing means (5) for supporting and displacing the object (3); - a single camera (15) for capturing images of portions of the object surface; - rotating means (10) for rotating the object (3), whereby the single camera (15) is able to capture images corresponding to successive exposed portions (3a) of the object surface. The single camera (15) is configured to sequentially capture the images as respective single frames and the apparatus further comprises electronic processing means adapted to ° read out a sub-frame from the single frame, ° store said sub-frames; and ° assemble the successive sub-frames into an assembled frame corresponding to a two-dimensional image of an unpeeled surface area of the object. The invention also relates to a corresponding method of acquiring a two-dimensional image of the external surface of a three-dimensional object (3).
    • 本发明涉及一种用于获取三维物体(3)的外表面的二维图像的设备,该设备包括: - 用于支撑和移动物体(3)的移位装置(5);以及 - 位移装置 - 单个照相机(15),用于捕捉物体表面的部分图像; - 用于旋转物体(3)的旋转装置(10),由此单个相机(15)能够捕获对应于物体表面的连续暴露部分(3a)的图像。 所述单个照相机(15)被配置为顺序地将所述图像捕获为各自的单个帧,并且所述设备还包括适于从所述单个帧读出子帧的电子处理装置,存储所述子帧; 以及将连续的子帧组装成与对象的未被剥皮的表面区域的二维图像相对应的组装框架。 本发明还涉及获取三维物体(3)的外表面的二维图像的对应方法。
    • 4. 发明申请
    • HAND HELD TONOMETER INCLUDING OPTICAL PROXIMITY INDICATOR
    • 手持式测量仪,包括光学接近度指示器
    • WO2003015624A1
    • 2003-02-27
    • PCT/GB2002/003729
    • 2002-08-13
    • KEELER LIMITEDMATTHEWS, James, Robert, ArnoldFISHER, John, HoraceMERRITT, Paul, AntonyATKINS, Neil, AnthonyGRAHAM, David, Philip
    • MATTHEWS, James, Robert, ArnoldFISHER, John, HoraceMERRITT, Paul, AntonyATKINS, Neil, AnthonyGRAHAM, David, Philip
    • A61B3/16
    • A61B3/154A61B3/165
    • A puff tonometer includes two light sources located at diametrically opposite points, preferably equidistant from the optical axis of the objective lens assembly of the tonometer. The sources are arranged to direct light forwardly of the tonometer such that, in use, and when positioned close to a patient's eye under test, light from the two sources, after reflection by the anterior corneal surface of the eye under test, will be imaged by the objective lens assembly of the tonometer, to appear as two small areas of light in the field of view. The spacing and position of the two supplementary light sources relative to the objective lens assembly are selected so that as the tonometer is moved towards an eye under test and begins to approach the distance from the eye at which the tonometer will automatically discharge a puff of air towards the eye, the light reflected by the corneal surface will appear as two closely spaced spots of light which, with continued movement of the unit towards the eye, will begin to move away from each other, and will be replaced by two segments of light reflected from the corneal surface of the eye, which reflected light also becomes focused onto an array of photoelectric detectors as the unit approaches the critical firing distance from the eye. The light from the two supplementary light sources is coloured and is distinct from the light used to form the two segments and when in focus trigger the air discharge. If the latter light is red, the light from each of the two supplementary light sources may be green or blue for example. When equidistant the position of the two spots of light relative to the centre of the field of view readily indicates to the user whether the unit is centred on the eye. A resiliently deformable extension may be fitted to the tonometer nozzle whose natural length is greater than the critical distance of the front of the nozzle from the eye at which an air pulse is released, and which can be pushed against the patient's face and thereby reduced in length until the critical distance is reached.
    • 吹气眼压计包括位于径向相对的点处的两个光源,优选地与眼压计的物镜组件的光轴等距。 来源设置为将眼睛前方的光引导到使用中,并且当位于靠近患者眼睛的位置时,来自两个源的光在被测试的眼睛的前角膜表面反射之后将被成像 通过眼压计的物镜组件,在视野中出现两个小面积的光。 选择两个补充光源相对于物镜组件的间距和位置,使得当眼压计朝向被测眼睛移动时,开始接近眼睛距眼球计量器将自动排出空气的距离 朝向眼睛,由角膜表面反射的光将显示为两个紧密相邻的光点,随着单元朝向眼睛的持续移动,它们将开始彼此远离,并将被两段光线所代替 从眼睛的角膜表面反射,该反射光也随着该单元接近眼睛的临界射击距离而聚焦在光电探测器阵列上。 来自两个补充光源的光被着色,并且与用于形成两个部分的光不同,并且当处于焦点时触发空气放电。 如果后一个光是红色的,则来自两个辅助光源中的每一个的光可以是例如绿色或蓝色。 当等距时,两个光点相对于视野的中心的位置可以向用户显示该单元是否居中在眼睛上。 可弹性变形的延伸部可以安装到眼压计喷嘴上,其天然长度大于喷嘴的前部与释放空气脉冲的眼睛的临界距离,并且可以将其推压抵靠患者的面部,从而减小 长度直到达到临界距离。
    • 5. 发明申请
    • HAND HELD TONOMETER WITH OPTICAL ARRANGEMENT FOR INDICATING CRITICAL DISTANCE FROM AN EYE
    • 具有光学指示的手持式测量仪,用于指示眼睛的关键距离
    • WO2003015620A2
    • 2003-02-27
    • PCT/GB2002/003733
    • 2002-08-13
    • KEELER LIMITEDMATTHEWS, James, Robert, ArnoldFISHER, John, HoraceMERRITT, Paul, Antony
    • MATTHEWS, James, Robert, ArnoldFISHER, John, HoraceMERRITT, Paul, Antony
    • A61B3/00
    • A61B3/154A61B3/165
    • A puff tonometer which includes an object at a point in the optical path of light from a source of light in the tonometer, typically near to the source, such that an in-focus image of the object will be formed in the user's field of view when the tonometer is at the critical distance from an eye under test at which the automatic air pulse generating means will be triggered by light reflected from the eye forming an in focus image of a mask on a plurality of photoelectric sensors. A second object may be located in the same region of the tonometer as the first object, but in a plane which is spaced from the plane containing the first object, whereby its image will come into focus in the field of view just before the image of the first object comes into focus, as the unit is moved slowly towards the patient's eye. A third object visually distinguishable from both the first and the second objects may be located in a third plane spaced from the plane containing the first object, whereby its image will come into focus if the unit is moved closer to the patient's eye than said critical distance. Two supplementary light sources may be provided on opposite sides of the puff tube of the tonometer to project two narrow beams of light towards an eye under test, to appear as two spots of light in the field of view ahead of when the in focus image of the object(s) will be seen. Typically the latter is formed using red light and the two supplementary light sources produce green light. A longer focal length eyepiece may be employed to allow an image of the eye to be seen from a distance to assist in initially lining up the tonometer with the patient's face.
    • 一种吹气眼压计,其包括在来自眼压计中的来自光源的光的光路中的点处的物体,通常靠近源,使得在用户的视野中将形成物体的对焦图像 当眼压计处于与被测眼睛的临界距离时,自动空气脉冲发生装置将由从眼睛反射的光触发,在多个光电传感器上形成掩模的聚焦图像。 第二物体可以位于与第一物体的眼压计相同的区域中,但是位于与包含第一物体的平面间隔开的平面中,从而其图像将在图像之前的视场中聚焦 第一个对象成为焦点,因为单位慢慢地朝着病人的眼睛移动。 与第一和第二物体可视地区分的第三物体可以位于与包含第一物体的平面间隔开的第三平面中,从而如果该单元被移动得比所述临界距离更靠近病人的眼睛,其图像将变为对焦 。 可以在眼压计的鼓泡管的相对侧上设置两个辅助光源,以将两束窄光束朝向被测眼睛投射,以便在焦点图像的前方的视野中出现两个光点 将会看到对象。 通常,后者使用红光形成,并且两个辅助光源产生绿光。 可以使用更长的焦距目镜,以允许从远处看到眼睛的图像,以帮助最初用患者的脸部排列眼压计。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR FORMING A WIRE GUARD
    • 形成线束的方法和装置
    • WO1983000455A1
    • 1983-02-17
    • PCT/US1981001025
    • 1981-07-30
    • CATERPILLAR TRACTOR CO.MERRITT, Paul, H.FULLER, Francis, W.
    • CATERPILLAR TRACTOR CO.
    • B23P23/06
    • B21F17/00
    • Appareil (10) et procédé de formation, in situ d'un organe de protection externe (12), de préférence un matériau en fil d'acier élastique, sur un tuyau (14). Le fil d'acier élastique est extrêmement avantageux comme matériau pour en faire des organes protecteurs. Jusqu'à présent, il a été nécessaire de préformer le fil d'acier élastique sur une machine de bobinage et d'installer des longueurs précoupées de serpentins sur des tuyaux partiellement assemblés. La présente invention surmonte les problèmes exposés ci-dessus concernant la construction et l'assemblage en proposant un appareil (10) et un procédé de formation de l'organe de protection en fil d'acier élastique (12) sur place sur un tuyau (14) ayant des raccords préassemblés aux deux extrémités. L'appareil (10) comprend une tête de formation (20) ayant une première et une seconde parties séparables (46, 48). Une pluralité d'organes matriciels radialement espacés (60) sont prévus sur la première et la seconde parties (46, 48) pour former entièrement deux rouleaux complets d'un organe de protection (12). L'appareil (10) et le procédé de la présente invention sont particulièrement utiles pour former des organes de protection en fil d'acier élastique sur des tuyaux hydrauliques de haute pression utilisés dans des conditions de fonctionnement rigoureuses.