Temperature compensation method and apparatus for color sensors

    公开(公告)号:US20060022122A1

    公开(公告)日:2006-02-02

    申请号:US10903112

    申请日:2004-07-30

    IPC分类号: G01J1/00 G01J3/50 H01J40/14

    CPC分类号: G01J3/50 G01J3/524

    摘要: Method and apparatus for compensating for variations in the output signal of a color sensor due to varying temperature of the color sensor. The color sensor receives light and generates an output signal that is based on the received light. The temperature compensation mechanism measures the temperature of the color sensor and uses the measured temperature to selectively adjust the output signal of the color sensor to generate a compensated output signal that is not dependent on temperature of the color sensor.

    Method and apparatus for detecting gas/radiation that employs color change detection mechanism
    2.
    发明申请
    Method and apparatus for detecting gas/radiation that employs color change detection mechanism 审中-公开
    用于检测气体/辐射的方法和装置,其使用变色检测机构

    公开(公告)号:US20060008919A1

    公开(公告)日:2006-01-12

    申请号:US10888325

    申请日:2004-07-09

    IPC分类号: G01N21/00

    CPC分类号: G01N21/783

    摘要: Method and apparatus for detecting the presence of an analyte (e.g., gas/radiation) that utilizes color change detection mechanisms. The apparatus has an indicator that changes color in the presence of the analyte. For example, in the absence of the analyte, the indicator reflects a first color. In the presence of the analyte, the indicator reflects a second color. The apparatus includes a color sensor that receives light reflected from the indicator and based thereon generates one or more signals that represent the reflected light. The apparatus also includes a color change detection mechanism that is coupled to the color sensor and that receives the signal generated by the color sensor and based on the signal determines whether the indicator has changed to the second color. Once it is determined that the indicator has changed to the second color, an alarm can be generated or remedial measures can be initiated.

    摘要翻译: 用于检测利用颜色变化检测机制的分析物(例如气体/辐射)的存在的方法和装置。 该装置具有在分析物存在下改变颜色的指示剂。 例如,在没有分析物的情况下,指示器反映第一种颜色。 在分析物的存在下,指示剂反映第二种颜色。 该装置包括接收从指示器反射的光的颜色传感器,并且基于此产生表示反射光的一个或多个信号。 该装置还包括一个颜色变化检测机构,其耦合到颜色传感器并且接收由颜色传感器产生的信号,并且基于该信号确定指示器是否已经改变为第二种颜色。 一旦确定指示符已经改变为第二种颜色,则可以产生报警或者可以启动补救措施。

    Scanner with color profile matching mechanism
    4.
    发明申请
    Scanner with color profile matching mechanism 审中-公开
    扫描仪配色配置机制

    公开(公告)号:US20060023271A1

    公开(公告)日:2006-02-02

    申请号:US10902999

    申请日:2004-07-30

    IPC分类号: H04N1/46

    CPC分类号: H04N1/4005 H04N1/40056

    摘要: Scanner with light source calibration mechanism. The scanner includes a light source that generates a white light utilized to scan an image. The light source calibration mechanism includes a calibration color sensor that generates a calibration color sensor output. The light source calibration mechanism receives a predetermined color profile that can be, for example, the amount of red, green light, and blue light expected from the light source utilized by the scanner for scanning. The color calibration mechanism calibrates the light source of the scanner based on the output of the calibration color sensor and the predetermined color profile.

    摘要翻译: 扫描仪带光源校准机构。 扫描器包括产生用于扫描图像的白光的光源。 光源校准机构包括校准颜色传感器,其生成校准颜色传感器输出。 光源校准机构接收预定的颜色轮廓,其可以是例如由扫描仪用于扫描的光源预期的红色,绿色光和蓝色光的量。 颜色校准机构基于校准颜色传感器的输出和预定的颜色特征来校准扫描仪的光源。