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    • 6. 发明授权
    • Semiconductor integrated circuit for optical sensor
    • 半导体集成电路用于光学传感器
    • US09182276B2
    • 2015-11-10
    • US14331308
    • 2014-07-15
    • Yuya KawasakiMarkus Oberascher
    • Yuya KawasakiMarkus Oberascher
    • G01J1/42G01J3/36G01J1/44G01J1/04
    • G01J1/4228G01J1/0492G01J1/32G01J1/44G01J3/36G01J2001/444
    • There is provided a semiconductor integrated circuit for an optical sensor for receiving environmental light through a cover member that attenuates visible light and transmits infrared light and a collecting lens, performing luminosity factor correction based on an amount of received light, and detecting an illuminance, wherein the semiconductor integrated circuit includes a first light receiving element having a first spectral property; a second light receiving element having a second spectral property; and a luminosity factor correction unit configured to perform the luminosity factor correction according to output of the first light receiving element and output of the second light receiving element, wherein the luminosity factor correction unit includes an AD conversion unit performed by time division on the output of the first light receiving element and the output of the second light receiving element, and a calculating unit subtracting digital signals obtained by the conversion.
    • 提供了一种用于光学传感器的半导体集成电路,用于通过衰减可见光并透射红外光的聚光透镜,基于接收光量进行亮度因子校正并检测照度来接收环境光,其中 半导体集成电路包括具有第一光谱特性的第一光接收元件; 具有第二光谱特性的第二光接收元件; 以及亮度因子校正单元,被配置为根据第一光接收元件的输出和第二光接收元件的输出来执行亮度因子校正,其中亮度因子校正单元包括通过时间分割执行的AD转换单元, 第一光接收元件和第二光接收元件的输出,以及计算单元,减去通过转换获得的数字信号。
    • 7. 发明授权
    • Illuminance and proximity sensor
    • 照度和接近传感器
    • US09057644B2
    • 2015-06-16
    • US13765321
    • 2013-02-12
    • So Eun Park
    • So Eun Park
    • H01L31/101G01J1/42G01J5/10G01J1/04G01J1/16
    • G01J5/10G01J1/0492G01J1/1626
    • An illuminance and proximity sensor includes a first sensing unit that senses infrared light and green light, and forwards a first sensing signal corresponding to a result of the sensing, a second sensing unit that filters visible light, senses the infrared light, and forwards a second sensing signal corresponding to a result of the sensing, and a control unit that produces an illuminance using a first difference value from subtracting the second sensing signal from the first sensing signal, and a proximity using a second difference value from subtracting the first difference value from the second sensing signal.
    • 照度和接近传感器包括感测红外光和绿光的第一感测单元,并且转发与感测结果相对应的第一感测信号,第二感测单元,其对可见光进行过滤,感测红外光,并转发第二感测单元 感测信号,以及控制单元,其使用第一差分值从第一感测信号中减去第二感测信号产生照度,以及使用第二差值从近似值减去第一差值 第二感测信号。
    • 9. 发明申请
    • OPTICAL GAS SENSOR DEVICE AND METHOD FOR DETERMINING THE CONCENTRATION OF A GAS
    • 光气传感器装置及确定气体浓度的方法
    • US20140091219A1
    • 2014-04-03
    • US14015122
    • 2013-08-30
    • Frank SCHAEFER
    • Frank SCHAEFER
    • G01N21/53
    • G01N21/53G01J1/0492G01J1/1626G01N21/314G01N21/3504G01N2021/3137G01N2021/3513G01S17/88
    • A gas sensor device for determining a molar concentration of a gas to be detected, that absorbs light of a measurement wavelength that is characteristic of the gas in the infrared light region, includes a light emission device emitting measurement light of measurement wavelength into a solid angle region of a light absorption path extending through the gas, and a light detector measuring an intensity of at least one component of the measurement light that has propagated through the light absorption path, the light absorption path extending from the light emission device to an object outside the gas sensor device that at least partially reflects the measurement light to the light detector, and being essentially disposed outside of the gas sensor device, and means for determining the length of the light absorption path. A method for determining a concentration of a gas to be detected is also described.
    • 用于确定吸收红外光区域中的气体特性的测定波长的光的被检测气体的摩尔浓度的气体传感器装置,包括发射测定波长的测定光为立体角的发光装置 通过气体延伸的光吸收路径的区域,以及光检测器,其测量已经通过光吸收路径传播的测量光的至少一个分量的强度,光吸收路径从发光器件延伸到外部物体 所述气体传感器装置至少部分地将测量光反射到光检测器,并且基本上布置在气体传感器装置的外部,以及用于确定光吸收路径的长度的装置。 还描述了一种用于确定待检测气体浓度的方法。