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    • 8. 发明公开
    • Laser system
    • Lasersystem
    • EP1498709A1
    • 2005-01-19
    • EP04076842.6
    • 2004-06-24
    • White Box Inc.
    • Baghai, Shahin
    • G01J5/08
    • G01J5/02G01J1/28G01J5/026G01J5/0265G01J5/028G01J5/08G01J5/0812G01J5/084G01J5/0859G01J5/089G01J5/0896
    • An infra-red measurement radiometer is disclosed having one or more laser emitters (10) to define a sighting area, characterised in that the brightness of the laser beams (24) emitted is controllable by the operator. Brightness of the laser beams can be increased or decreased to a useful extent by switching more or less lasers into or out of operations. Brightness can be reduced by optical attenuation, such as the interposition of an optical element between the laser and the target, such as a diffraction lens or an iris device, or by use of an optical brightness filter, as in photography. It is also possible to change the laser beam brightness by variation of the electrical power supply (V s )to the laser emitter (10). This can be done with a resistor circuit (12), which may be fixed, or variable, and which may be located electrically between the laser emitter and power source, which is commonly a DC dry cell battery. In accordance with the invention, the operator of an instrument is able to adjust the laser brightness, within safety limits, which allow enough brightness to be both safe and useful. When the target measurement or treatment area is located at a relatively long distance away from the instrument, or in obscure illumination conditions, greater laser brightness becomes valuable.
    • 公开了具有一个或多个激光发射器(10)以限定瞄准区域的红外测量辐射计,其特征在于发射的激光束(24)的亮度由操作者控制。 激光束的亮度可以通过将或多或少的激光器切换到或不运行来增加或减少到有用的程度。 亮度可以通过诸如衍射透镜或虹膜装置之间的光学元件在激光和目标之间的插入,或通过使用光学亮度滤光器的光学衰减来减少,如在摄影中。 也可以通过向激光发射器(10)的电力供给(Vs)的变化来改变激光束亮度。 这可以用可以固定或可变的电阻器电路(12)来完成,电阻器电路可以电连接在激光发射器和电源之间,这通常是DC干电池。 根据本发明,仪器的操作者能够在安全限度内调节激光亮度,这允许足够的亮度既安全又有用。 当目标测量或治疗区域位于离仪器相对较远的距离处或者在不明显的照明条件下时,较大的激光亮度变得有价值。
    • 9. 发明申请
    • METHOD AND DEVICE FOR IMAGING TEMPERATURES OF A VERY HOT OPAQUE BODY
    • 用于成像非常高的OPAQUE体的温度的方法和装置
    • WO99014566A1
    • 1999-03-25
    • PCT/FR1998/001965
    • 1998-09-15
    • G01J5/04G01J5/60
    • G01J5/602G01J5/0037G01J5/004G01J5/04G01J5/042G01J5/048G01J5/08G01J5/0806G01J5/0809G01J5/0812G01J5/0821G01J5/0846G01J2005/0048G01J2005/0077
    • The invention concerns a device and a method for obtaining two-dimensional images of temperatures of a very hot opaque body inaccessible to a standard display system. The method consists in using, under the protection of a film unwinder device (1), a first optical element (4) focusing the opaque hot body (1) image onto a beam of optical fibres (5). The latter restores the image onto a second optical element (6) which focuses the image onto a beamsplitter (8). Two cameras (10A, 10B) thus capture the opaque hot body (1) image at different wavelengths. The combination of the resulting two images enables to monitor and determine the temperatures of the observed sequence. The invention is applicable in a variety of ways to electron beam welding, laser beam welding, or monitoring the temperature of induction-heated metal parts.
    • 本发明涉及一种用于获得标准显示系统不可访问的非常热的不透明体的温度的二维图像的装置和方法。 该方法包括在薄膜退绕装置(1)的保护下使用将不透明热物体(1)图像聚焦到光纤束(5)上的第一光学元件(4)。 后者将图像恢复到将图像聚焦到分束器(8)上的第二光学元件(6)上。 因此,两个照相机(10A,10B)捕获不同波长的不透明热物体(1)图像。 所得到的两个图像的组合使得能够监视和确定观察到的序列的温度。 本发明适用于电子束焊接,激光束焊接或感应加热金属部件温度监测的各种方式。