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    • 21. 发明申请
    • SYSTEM FOR AND METHOD OF HEATING OBJECTS IN A PRODUCTION LINE
    • 在生产线上加热物体的系统和方法
    • US20100230863A1
    • 2010-09-16
    • US12518903
    • 2007-12-17
    • Holger MoenchJohannes BaierJaione Bengoechea ApezteguiaUlrich WeichmannSerge Monteix
    • Holger MoenchJohannes BaierJaione Bengoechea ApezteguiaUlrich WeichmannSerge Monteix
    • H05B6/00B29B13/02
    • B29B13/024B29C49/06B29C49/68B29C2035/0822B29C2035/0838B29K2067/00B29K2105/258H01S5/18388H01S5/426
    • A system and method (10) for heating objects (O) during a thermal treatment process in a production line (P) is described. The system (10) comprises a transport system (11), a minor arrangement (201, 202, 203, 204, 205, 206) comprising a first mirror surface (21, 21′, 21″) and a second minor surface (22, 22′, 22″) arranged at opposite sides, so that the objects (O) may be transported between the minor surfaces (21, 22, 21′, 22′, 21″, 22″) along the production line and a radiation device (30) comprising a number of lasers for generating light (L). The radiation device (30) and the mirror arrangement (201, 202, 203, 204, 205, 206) are constructed such that the main direction (R) of light (L) that enters the mirror arrangement (201, 202, 203, 204, 205, 206) is directed towards the first mirror surface (21, 21′, 21″) at an angle to the production line (P), and the light (L) subsequently undergoes multiple reflections between the mirror surfaces (21, 22, 21′, 22′, 21″, 22″) so that a series of multiple reflections of the light (L) travels in the transport direction (OT) along at least a section of the minor surface (21, 22, 21′, 22′, 21″, 22″) or travels against the transport direction (OT) along at least a section of the minor surface (21, 22, 21′, 22′, 21″, 22″) and heats the objects (O) being transported between the minor surfaces (21, 22, 21′, 22′, 21″, 22″).
    • 描述了用于在生产线(P)中的热处理过程期间加热物体(O)的系统和方法(10)。 所述系统(10)包括运输系统(11),包括第一镜面(21,21',21“)和第二次表面(22)的小布置(201,202,203,204,205,206) ,22',22“),使得物体(O)可沿着生产线在小表面(21,22,21',22',21”,22“)之间输送,并且辐射 装置(30)包括多个用于产生光(L)的激光器。 辐射装置(30)和反射镜装置(201,202,203,204,205,206)被构造为使得进入反射镜装置(201,202,205,206)的光(L)的主方向(R) 204,205,206)以与生产线(P)成一定角度指向第一镜面(21,21',21“),并且光(L)随后在镜面(21,21',21”)之间经历多次反射, 22,21',22“,21”,22“),使得光(L)的一系列多次反射沿着所述次表面(21,22,21)的至少一部分在输送方向(OT) ',22',21“,22”)或沿着所述小表面(21,22,21',22',21“,22”)的至少一部分沿着输送方向(OT)行进并加热物体 (21,22,21',22“,21”,22“)之间输送(O)。
    • 25. 发明授权
    • Surface-emitting external cavity laser device
    • 表面发射外腔激光器件
    • US08045594B2
    • 2011-10-25
    • US12667243
    • 2008-07-01
    • Johannes BaierHolger Moench
    • Johannes BaierHolger Moench
    • H01S3/10
    • H01S5/183H01S3/109H01S5/0683H01S5/141
    • A surface-emitting extended cavity laser with intracavity frequency conversion is provided with at least one surface-emitting laser element with multiple layers to obtain laser light at a fundamental frequency, reflector means, spaced from the laser element to form an external cavity, a frequency conversion device, arranged within the external cavity to generate light at a second frequency and tunable optical band-pass filter means, arranged within the external cavity and detector means, where said optical band-pass filter means are tunable upon a signal, which is obtained by the detector means to enable a frequency control at the fundamental frequency.
    • 具有腔内频率转换的表面发射扩展腔激光器设置有至少一个具有多层的表面发射激光器元件,以获得基本频率的激光,与激光元件间隔开的反射器装置以形成外部空腔,频率 转换装置,布置在外部空腔内以产生在第二频率下的光和可调谐的光学带通滤波器装置,其布置在外部空腔和检测器装置内,其中所述光学带通滤波器装置可根据获得的信号进行调谐, 通过检测器装置来实现基频处的频率控制。
    • 26. 发明申请
    • METHODS OF AND DRIVING UNITS FOR DRIVING A GAS DISCHARGE LAMP
    • 用于驱动气体放电灯的驱动单元的方法和驱动单元
    • US20100289429A1
    • 2010-11-18
    • US12376447
    • 2007-07-26
    • Jens Pollmann-RetschJohannes Baier
    • Jens Pollmann-RetschJohannes Baier
    • H05B41/36
    • H05B41/2928H05B41/2882
    • Methods of driving a gas discharge lamp (1). In a first method, a value of voltage (Ul) across the gas discharge lamp (1) is determined, then a correction function (Kd) representing the dependency of light flux on a discharge arc length (d) is applied to calculate a required lamp power value (Pr) for a target light flux value (Ul). Finally, the gas discharge lamp (1) is operated according to the required lamp power value (Pr). In a second method, a value of voltage (Ul) across the gas discharge lamp (1) and a value of pressure (pl) inside the gas discharge lamp (1) are determined, then a correction function (Kp) representing the dependency of light flux on a discharge arc length (d) is applied to calculate a required lamp pressure value (pr) for a target light flux value by using the lamp voltage value (Ul) and the lamp pressure value (pl). Finally, the gas discharge lamp (1) is operated according to the required lamp pressure value (pr). Furthermore, the invention relates to appropriate driving units (4, 58) for driving a gas discharge lamp (1) and to an image rendering system, particularly a projector system, comprising gas discharge lamps (1) and such driving units (4, 58).
    • 驱动气体放电灯(1)的方法。 在第一种方法中,确定气体放电灯(1)两端的电压(U1)的值,然后施加表示光通量对放电弧长度(d)的依赖性的校正函数(Kd),以计算所需的 目标光通量值(U1)的灯功率值(Pr)。 最后,气体放电灯(1)根据所需的灯功率值(Pr)进行动作。 在第二种方法中,确定气体放电灯(1)两端的电压(U1)值和气体放电灯(1)内的压力值(P1),然后确定表示依赖性的校正函数(Kp) 施加放电弧长度(d)的光通量,以通过使用灯电压值(U1)和灯压力值(pl)来计算目标光通量值所需的灯压力值(pr)。 最后,气体放电灯(1)根据要求的灯压力值(pr)进行动作。 此外,本发明涉及用于驱动气体放电灯(1)的合适的驱动单元(4,58)以及包括气体放电灯(1)和这种驱动单元(4,58)的图像渲染系统,特别是投影仪系统 )。
    • 27. 发明申请
    • EXTENDED CAVITY SEMICONDUCTOR LASER DEVICE WITH INCREASED INTENSITY
    • 扩展的半导体激光器件具有增强的强度
    • US20100265975A1
    • 2010-10-21
    • US12741061
    • 2008-11-03
    • Johannes BaierUlrich Weichmann
    • Johannes BaierUlrich Weichmann
    • H01S3/13H01S5/42
    • H01S5/423H01S3/08059H01S3/109H01S5/065H01S5/0656H01S5/14H01S5/4006
    • The present invention relates to an extended cavity semiconductor laser device comprising an array of at least two semiconductor gain elements (20, 21), each of said semiconductor gain elements (20, 21) comprising a layer structure (1) forming a first end mirror (2) and an active medium (3). A coupling component (22) inside of the device combines fundamental laser radiation emitted by said array of semiconductor gain elements (20, 21) to a single combined laser beam (25). A second end mirror (23) reflects at least part of said single combined laser beam (23) back to said coupling component (22) to form extended cavities with the first end mirrors (2). Due to this coherent coupling of several extended cavity semiconductor lasers a single beam of the fundamental radiation is generated with increased intensity, good beam profile and narrow spectral band width. This beam of increased intensity is much better suited for frequency conversion via upconversion or via second harmonic generation than the individual beams of the array of extended cavity semiconductor laser components. The efficiency of frequency conversion is therefore greatly enhanced.
    • 本发明涉及一种包括至少两个半导体增益元件(20,21)的阵列的扩展腔半导体激光器件,每个所述半导体增益元件(20,21)包括形成第一端镜的层结构(1) (2)和活性介质(3)。 器件内部的耦合部件(22)将由所述半导体增益元件阵列(20,21)发射的基本激光辐射组合到单个组合激光束(25)。 第二端镜(23)将所述单组合激光束(23)的至少一部分反射回所述耦合部件(22)以与第一端镜(2)形成延伸空腔。 由于几个扩展腔半导体激光器的这种相干耦合,基本辐射的单个光束以增加的强度,良好的光束轮廓和窄的光谱带宽产生。 这种增强强度的光束比扩展腔半导体激光器部件的阵列的各个光束更适合于通过上变频或通过二次谐波产生的频率转换。 因此,频率转换的效率大大提高。