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    • 11. 发明授权
    • Shading detecting method and shading detecting apparatus for camera module
    • 相机模块的阴影检测方法和阴影检测装置
    • US07764314B2
    • 2010-07-27
    • US11845730
    • 2007-08-27
    • Chiung-Sheng WuChih-Wei Huang
    • Chiung-Sheng WuChih-Wei Huang
    • H04N9/64
    • H04N9/646H04N5/3572H04N17/002
    • An exemplary shading detecting method for a camera module is provided. In the method, a plurality of brightness values are measured from a plurality of predetermined regions of a stable rectangular image generated by the camera module. A plurality of brightness differences, each based on a comparison between a respective two of the brightness values, chosen from among the brightness values measured, are calculated. Each brightness difference is judged as to whether it exceeds a corresponding predetermined threshold. If at least one brightness difference is judged to exceed the corresponding threshold, the camera module is a rejected. A corresponding shading detecting apparatus, for facilitating the shading detecting method, is also provided.
    • 提供了一种用于相机模块的示例性着色检测方法。 在该方法中,从照相机模块生成的稳定矩形图像的多个预定区域测量多个亮度值。 计算出从所测量的亮度值中选择的相应的两个亮度值之间的比较的多个亮度差。 判断每个亮度差是否超过相应的预定阈值。 如果判断出至少一个亮度差超过相应的阈值,则相机模块被拒绝。 还提供了一种用于促进阴影检测方法的相应的阴影检测装置。
    • 13. 发明授权
    • Infrared transducer and goggles incorporating the same
    • 红外线传感器和护目镜结合在一起
    • US5389788A
    • 1995-02-14
    • US166790
    • 1993-12-13
    • Jan GrinbergRaymond BalcerakChiung-Sheng WuUzi EfronPaul O. Braatz
    • Jan GrinbergRaymond BalcerakChiung-Sheng WuUzi EfronPaul O. Braatz
    • G01J5/04G01J5/20G02F1/135H01L27/146G02F1/136
    • H01L27/146G02B23/125G02F1/1354H04N5/3651H04N5/33
    • An infrared (IR) radiation transducer integrates an IR detector array with a liquid crystal (LC) readout. The IR detector is preferably a pixelized bolometer array, but other detectors such as pyroelectric materials are possible. To modulate the LC in response to detected IR radiation, a modulating section is provided that includes a charge injection structure which injects electrical charge in response to the detected IR radiation, and a charge transfer structure that transfers the injected charge to the LC readout section. During its active phase the charge transfer layer is depleted of majority charge carriers, and the charge injection and transfer mechanism operates in a manner analogous to a bipolar transistor. A visible readout is obtained by directing readout light through the LC, where it is modulated in accordance with the detected IR image. The transducers are small and light weight enough to be incorporated into a pair of goggles, for which no separate cooling is required.
    • 红外(IR)辐射传感器将IR检测器阵列与液晶(LC)读数器集成。 IR检测器优选地是像素化的测辐射热计阵列,但是其他检测器如热电材料也是可能的。 为了响应于检测到的IR辐射来调制LC,提供了调制部分,其包括响应于检测到的IR辐射而注入电荷的电荷注入结构,以及将注入的电荷传送到LC读出部分的电荷转移结构。 在其活性阶段期间,电荷转移层耗尽多数电荷载流子,并且电荷注入和转移机制以类似于双极晶体管的方式工作。 通过将读出光引导通过LC获得可见读出,其中根据检测到的IR图像进行调制。 传感器体积小巧,重量轻,可以并入一副护目镜,不需要单独的冷却。
    • 14. 发明申请
    • SYSTEM AND METHOD FOR TESTING A CAMERA MODULE
    • 用于测试相机模块的系统和方法
    • US20080288214A1
    • 2008-11-20
    • US11943507
    • 2007-11-20
    • Chiung-Sheng WuPai-Hsiang ChengYung-Chou Chen
    • Chiung-Sheng WuPai-Hsiang ChengYung-Chou Chen
    • G21C17/00
    • G03B17/00H04N17/002
    • A system for testing a camera module is provided. The system includes a computer and a testing fixture. The testing fixture is connected with the computer. The testing fixture is configured for holding the camera module, converting an image of an image testing chart obtained by the camera module into a computer-recognizable format, and transmitting the converted image to the computer. The computer includes: an area dividing module, an image testing module, and a judging module. The area dividing module is configured for dividing the image into several testing areas. The image testing module is configured for computing values of test factors of the testing areas. The comparison module is configured for determining whether the test factors are satisfactory through comparing the values of the test factors with respective predetermined values. A related method for testing a camera module is also provided.
    • 提供了一种用于测试相机模块的系统。 该系统包括计算机和测试夹具。 测试夹具与计算机连接。 测试夹具被配置为保持相机模块,将由相机模块获得的图像测试图的图像转换成计算机可识别的格式,并将转换的图像发送到计算机。 计算机包括:区域划分模块,图像测试模块和判断模块。 区域划分模块被配置为将图像分割成多个测试区域。 图像测试模块被配置为计算测试区域的测试因素的值。 比较模块被配置为通过将测试因子的值与各个预定值进行比较来确定测试因素是否令人满意。 还提供了一种用于测试相机模块的相关方法。
    • 17. 发明授权
    • Radiation detector array using radiation sensitive bridges
    • 辐射检测器阵列使用辐射敏感桥
    • US5010251A
    • 1991-04-23
    • US463563
    • 1990-01-11
    • Jan GrinbergMurray S. WelkowskyChiung-Sheng WuPaul O. Braatz
    • Jan GrinbergMurray S. WelkowskyChiung-Sheng WuPaul O. Braatz
    • G01J5/10G01J5/20G01J5/22G01J5/52
    • G01J5/10G01J5/20G01J5/22G01J5/522
    • An infrared (IR) simulator is disclosed in which an array of pixels is defined on an insulative substrate by resistor bridges which contact the substrate at spaced locations and are separated from the substrate, and thereby thermally insulated therefrom, between the contact locations. Semiconductor drive circuits on the substrate enable desired current flows through the resistor bridges in response to input control signals, thereby establishing the appropriate IR radiation from each of the pixels. The drive circuits and also at least some of the electrical lead lines are preferably located under the resistor bridges. A thermal reflector below each bridge shields the drive circuit and reflects radiation to enhance the IR output. The drive circuits employ sample and hold circuits which produce a substantially flicker-free operation, with the resistor bridges being impedance matched with their respective drive circuits. The resistor bridges may be formed by coating insulative base bridges with a resistive layer having the desired properties, and overcoating the resistive layers with a thermally emissive material. The array is preferably formed on a silicon-on-sapphire (SOS) wafer. Arrays of electromagnetic radiation bridge detectors may also be formed, with the bridges having either resistor, thermocouple or Schottky junction constructions.
    • 公开了一种红外(IR)模拟器,其中像素阵列通过电阻器桥限定在绝缘衬底上,电阻器桥在间隔开的位置处接触衬底,并且在接触位置之间与衬底分离,从而与衬底隔离。 衬底上的半导体驱动电路响应于输入控制信号使期望的电流流过电阻器桥,从而从每个像素建立适当的红外辐射。 驱动电路以及至少一些电引线优选位于电阻桥下。 每个桥下的热反射器屏蔽驱动电路并反射辐射以增强IR输出。 驱动电路采用产生基本上无闪烁操作的采样和保持电路,其中电阻器桥与它们各自的驱动电路阻抗匹配。 可以通过用具有期望特性的电阻层涂覆绝缘基桥来形成电阻器桥,并用热发射材料覆盖电阻层。 阵列优选形成在蓝宝石(SOS)硅晶片上。 也可以形成电磁辐射桥接检测器阵列,其中桥具有电阻器,热电偶或肖特基结结构。