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    • 1. 发明申请
    • APPARATUS FOR LOCATING AN OBJECT, AND LIGHT TRANSMITTER
    • 用于定位物体和轻型发射器的装置
    • WO1992019984A1
    • 1992-11-12
    • PCT/FI1992000127
    • 1992-04-29
    • VALTION TEKNILLINEN TUTKIMUSKESKUSKERÄNEN, HeimoMARSZALEC, Janusz
    • VALTION TEKNILLINEN TUTKIMUSKESKUS
    • G01S17/06
    • G01S17/87G01S7/4813
    • The invention concerns an apparatus for locating an object with the aid of optical radiation. The apparatus comprises a light source (1) comprising a plurality of light elements (2); an optical detector (3); optical means (5, 6) comprising light source optics (5) and detector optics (6); and a control unit (7) which is disposed to activate such light elements (2) as are desired, to locate the light signals incident on the location-sensitive optical detector (3), and on the basis of the location of the active light element and of that of the detection site to calculate the distance of the object's surface by the triangulation principle. As taught by the invention, the light source (1) and the light source optics (5) are integrated to constitute a compact light transmitter unit (10), the light elements (2) belonging to the light source (1) being arranged close to each other and provided with joint light source optics (5). Similarly, the optical detector (3) and the detector optics (6) are integrated to constitute a compact light receiver unit (18). The units (10, 18) are disposed in immediate proximity to each other and, advantageously, to the control unit (7).
    • 本发明涉及借助于光辐射来定位物体的装置。 该装置包括包括多个光元件(2)的光源(1); 光学检测器(3); 包括光源光学器件(5)和检测器光学器件(6)的光学装置(5,6); 以及控制单元(7),其被设置成激活所需的这种光元件(2),以定位入射在位置敏感光学检测器(3)上的光信号,并且基于有源光的位置 元素和检测点的元素,通过三角测量原理计算物体表面的距离。 如本发明所教导的,光源(1)和光源光学器件(5)被集成以构成小型光发射器单元(10),属于光源(1)的光元件(2)被紧密地布置 并且设置有联合光源光学器件(5)。 类似地,光学检测器(3)和检测器光学器件(6)被集成以构成紧凑的光接收器单元(18)。 单元(10,18)彼此紧邻地布置,并且有利地设置在控制单元(7)上。
    • 2. 发明申请
    • PROCEDURE FOR CONTROLLING A RADIATION SOURCE AND CONTROLLABLE RADIATION SOURCE
    • 用于控制辐射源和可控辐射源的程序
    • WO1988010462A1
    • 1988-12-29
    • PCT/FI1988000103
    • 1988-06-23
    • VALTION TEKNILLINEN TUTKIMUSKESKUSKERÄNEN, HeimoMALINEN, Jouko
    • VALTION TEKNILLINEN TUTKIMUSKESKUS
    • G05D25/02
    • G01N21/255G01J1/08G01J1/32G01J3/0259G01J3/10G01N2201/0621
    • The present invention concerns a procedure for controlling a radiation source which has been implemented with the aid of light-emitting diodes, or LEDs, from the radiation produced by them being separated the desired wavelength range, of which the intensity is controlled or maintained constant. The radiation source is implemented by means of a LED row (2) formed of semiconductor chips, or LED elements, (21, 22, 23,..., 26), from the radiation of which is separated a wavelength range ( DELTA lambda 1, DELTA lambda 2,...) depending on the location of the LED element in said arrays with an optical means dispersing the radiation to a spectrum, and the intensity of the radiation in this wavelength range, or of the output radiation, is controlled or maintained constant by observing the intensity thereof and regulating with its aid the current passing through the respective LED element. The wavelength ranges of the output radiation are selected electrically by activating a suitable LED element (21, 22, 23,..., 26) in the LED row (2).
    • 本发明涉及一种用于控制辐射源的方法,该辐射源已经借助于发光二极管或LED由其产生的辐射而被分离出所需波长范围,其强度被控制或保持恒定。 辐射源通过由半导体芯片或LED元件(21,22,23,...,26)形成的LED排(2)实现,其中辐射源被分离成波长范围(DELTAλ 1,DELTAλ2,...),这取决于LED元件在所述阵列中的位置,其中光学装置将辐射分散到光谱,并且在该波长范围或输出辐射中的辐射的强度是 通过观察其强度并通过其辅助调节通过相应的LED元件的电流来控制或维持恒定。 通过激活LED行(2)中的合适的LED元件(21,22,23,...,26)来选择输出辐射的波长范围。
    • 3. 发明申请
    • RADIATION SOURCE
    • 辐射源
    • WO1994015183A1
    • 1994-07-07
    • PCT/FI1992000359
    • 1992-12-23
    • VALTION TEKNILLINEN TUTKIMUSKESKUSMALINEN, JoukoKERÄNEN, Heimo
    • VALTION TEKNILLINEN TUTKIMUSKESKUS
    • G01J03/10
    • G01J3/10
    • The object of the invention is a radiation source, comprising a chassis (1) comprising a space (5) permeable to radiation; a plurality of light elements, such as LEDs (2) which are arranged in configuration of a row with small mutual spacing on a light element base (6); optical means (3) by the aid of which radiation produced by said light elements is collected and the radiation dispersed to a spectrum; and an exit aperture (4) provided in conjunction with the light element base (6) and through which the desired part of the radiation spectrum ( DELTA lambda 1, DELTA lambda 2, DELTA lambda 3,...) is directed out from the radiation source. The light element base (6) with light elements (2), the optical means (3) and the exit aperture (4) are disposed in conjunction with the chassis (1). As taught by the invention, the chassis (1) comprises an optics chassis (8) and a light element chassis (7), these being fitted to each other so that they enclose in themselves a cavity-like space (5); the optical means (3) for radiation processing have been disposed on the optics chassis (8); the light element base (6) and the light elements (2) have been disposed on the light element chassis (7) and the exit aperture (4), in conjunction therewith. The light elements (2) have been disposed in a row on the light element base, beside the exit aperture (4). The central axis (B-B) of the optics chassis (8) and of the light element base passes perpendicularly between the light elements and the exit aperture. The exit aperture (4) has been disposed on a fitting unit, such as an auxiliary plate (12), which is mounted in conjunction with a fitting aperture (13) provided on the light element base.
    • 本发明的目的是辐射源,包括底盘(1),其包括可透射辐射的空间(5); 多个光元件,例如LED(2),其布置成在光元件基座(6)上具有小的相互间隔的行的构造; 光学装置(3)借助于由所述光元件产生的辐射被收集并且辐射分散到光谱; 以及与光元件基底(6)结合设置的出射孔(4),并且辐射光谱(DELTAλ1,DELTAλ2,DELTAλ3,...)的期望部分通过该出口孔从 辐射源。 具有光元件(2),光学装置(3)和出射孔(4)的光元件基座(6)与底盘(1)一起设置。 如本发明所教导的,底盘(1)包括一个光学底盘(8)和一个光源底盘(7),它们彼此装配成使得它们自身包围一个空腔状空间(5); 用于辐射处理的光学装置(3)已经设置在光学底盘(8)上; 光元件底座(6)和光元件(2)已经被配置在灯元件底盘(7)和出口孔(4)上。 光元件(2)已经在出口孔(4)旁边的光元件底座上排成一列。 光学底盘(8)和光元件底座的中心轴(B-B)垂直于光元件和出射孔之间通过。 出口孔(4)已经设置在诸如辅助板(12)的装配单元上,该辅助板(12)与设置在光元件底座上的装配孔(13)一起安装。
    • 9. 发明申请
    • PROCEDURE FOR CONTROLLING PRINTING QUALITY
    • 控制印刷质量的程序
    • WO1994025278A1
    • 1994-11-10
    • PCT/FI1994000160
    • 1994-04-26
    • VALTION TEKNILLINEN TUTKIMUSKESKUSKUUSISTO, MattiLAUNONEN, RaimoSÖDERGÅRD, Caj
    • VALTION TEKNILLINEN TUTKIMUSKESKUS
    • B41F33/00
    • B41F33/0036
    • The invention concerns a procedure for controlling printing quality, wherein the digital presentation of the page original is utilized. As taught by the invention, prior to printing a plurality of measuring points are specified from the digital presentation of the page original on the basis of given initial data. The initial data for the measuring points are set so that at least two measuring points are locating points on the basis of which the other measuring points can be located. The other initial data are set according to what one desires to measure on the printed page. Thereafter, the locating points and other specified measuring points are sought in the digital presentation of the page original; and the measuring point data are entered in the printing quality measuring unit. The results of measurement from the measuring points are compared with the measuring point data from the digital presentation of the page original, or the objective values, and the results of comparison are used to adjust the printing machine.
    • 本发明涉及用于控制打印质量的程序,其中利用了页面原稿的数字呈现。 如本发明所教导的,在打印之前,根据给定的初始数据从页面原稿的数字呈现中指定多个测量点。 测量点的初始数据被设置为使得至少两个测量点是可以位于其他测量点的定位点。 其他初始数据根据打印页面上要测量的内容进行设置。 此后,在页面原稿的数字呈现中寻找定位点和其他指定的测量点; 并且测量点数据被输入到打印质量测量单元中。 将测量点的测量结果与来自页面原稿的数字显示或目标值的测量点数据进行比较,并且比较结果用于调整打印机。
    • 10. 发明申请
    • PROCEDURE AND DEVICE FOR ANALYZING OF PARTICLES IN A MEDIUM AND FOR CONTINUOUS DETERMINING OF WEAR CONDITION OF MECHANICAL CONTACTS IN CONTACT WITH THE MEDIUM
    • 用于分析介质中的颗粒和连续测定与介质接触的机械接触的磨损条件的程序和装置
    • WO1994014049A1
    • 1994-06-23
    • PCT/FI1993000526
    • 1993-12-07
    • VALTION TEKNILLINEN TUTKIMUSKESKUSENWALD, Petri
    • VALTION TEKNILLINEN TUTKIMUSKESKUS
    • G01N15/00
    • G01N15/0227G01N3/565G01N3/567
    • A procedure and apparatus for analyzing wear particles present in a flowing fluid and for continuously determining the wear situation of mechanical contacts. The fluid is conducted to a point of examination in a measuring passage (2), stopped, and imaged there with a photoelectric detector (8). With a data processing device (13), the image in analog form is digitized, and from the image are, by methods of digital image processing, automatically determined the central index values in view of degree of purity and/or wear situation, which describe the size, size distribution, shape, surface structure, light transmittance and/or colour of the particles in the fluid. The information thus obtained is classified with the aid of the index values found and of a predetermined set of deduction rules, such as an expert system, and the wear situation of sliding and/or rolling mechanical contacts in contact with the fluid is determined.
    • 用于分析存在于流动流体中的磨损颗粒并用于连续地确定机械接触的磨损情况的步骤和装置。 将流体传导到测量通道(2)中的检查点,停止,并用光电检测器(8)在其上成像。 利用数据处理装置(13),模拟形式的图像被数字化,并且通过数字图像处理的方法从图像中自动地根据纯度和/或磨损情况确定中心指数值,其描述 流体中颗粒的尺寸,尺寸分布,形状,表面结构,透光率和/或颜色。 借助于所找到的指标值和专家系统等预定的扣除规则,确定所得到的信息,并确定与流体接触的滑动和/或滚动机械触点的磨损情况。