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    • 4. 发明授权
    • Device for correcting brightness roll-off at an end of a lamp
    • 用于校正灯末端亮度滚降的装置
    • US5632547A
    • 1997-05-27
    • US530046
    • 1995-09-19
    • Lei GeMurray R. Zink
    • Lei GeMurray R. Zink
    • G03B15/02F21V7/00F21V17/04H04N1/028
    • H04N1/0285F21V17/04F21V7/005H04N1/02815H04N1/0287H04N1/02885
    • An apparatus comprises an imaging camera including a frame part and a tubular lamp for providing light for the camera. The apparatus further comprises a device connected between the frame part of the camera and an end of the lamp for (i) grounding out electrostatic charge on an outer surface of the lamp, (ii) dissipating heat generated by the lamp and (iii) gradually correcting brightness roll-off at the end of the lamp to produce a uniform illumination of an imaging field of the camera. The device includes (i) a reflector portion for reflecting light from the lamp and (ii) a locating portion for locating the reflector portion relative to the lamp such that light reflected from the reflector portion cooperates with light from the lamp to gradually correct brightness roll-off at the end of the lamp to produce the uniform illumination of the imaging field of the camera.
    • 一种装置包括成像摄像机,其包括用于为照相机提供光的框架部分和管状灯。 该装置还包括连接在照相机的框架部分和灯的端部之间的装置,用于(i)在灯的外表面上接地静电电荷,(ii)散发由灯产生的热量,以及(iii)逐渐地 在灯的末端校正亮度滚降以产生照相机成像场的均匀照明。 该装置包括(i)用于反射来自灯的光的反射器部分和(ii)用于相对于灯定位反射器部分的定位部分,使得从反射器部分反射的光与来自灯的光合作以逐渐校正亮度卷 在灯的末端,以产生相机成像场的均匀照明。