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    • 7. 发明授权
    • Method and system for detecting gases or vapors in a monitored area
    • 监测区域气体或蒸汽的检测方法和系统
    • US6061141A
    • 2000-05-09
    • US9421
    • 1998-01-20
    • Ephraim GoldenbergShaul SereroDavid CohenYechiel SpectorEsther Jacobson
    • Ephraim GoldenbergShaul SereroDavid CohenYechiel SpectorEsther Jacobson
    • G01N21/35G01N21/31
    • G01N21/3504
    • A method of detecting the presence of a predetermined vapor of a predetermined concentration in a monitored area, the method including the steps of (a) exposing gas in or from the monitored area to radiation at wavelengths at least covering and surrounding from both sides a main absorption peak of the vapor; (b) simultaneously sensing the radiation after passing through the gas by a signal sensor and a reference sensor, each of the sensors including a radiation sensing element, wherein the signal sensor further includes a first optical filter passing wavelengths covering the main absorption peak, yet substantially blocking wavelengths from both sides of the main absorption peak of the vapor, whereas the reference sensor further includes a second optical filter passing wavelengths surrounding from both sides the main absorption peak, yet substantially blocking wavelengths covering the main absorption peak of the vapor; and (c) comparing signals obtained from the signal and reference sensors for determining a presence or absence of the vapor of the predetermined concentration in the gas.
    • 一种检测被监测区域中预定浓度的预定蒸气的存在的方法,所述方法包括以下步骤:(a)将所述监测区域内或从所述监测区域的气体暴露于至少覆盖并围绕两侧的波长的辐射 蒸气的吸收峰; (b)通过信号传感器和参考传感器同时感测通过气体之后的辐射,每个传感器包括辐射感测元件,其中信号传感器还包括通过覆盖主吸收峰的波长的第一滤光器, 基本上阻挡来自蒸气主吸收峰两侧的波长,而参考传感器还包括通过从两侧围绕主吸收峰的波长通过的第二滤光器,而基本上阻挡覆盖蒸气的主吸收峰的波长; 和(c)比较从信号和参考传感器获得的信号,以确定气体中预定浓度的蒸气的有无。
    • 8. 发明授权
    • Auto-focus actuator for field curvature correction of zoom lenses
    • 自动对焦执行器用于变焦镜头的场曲率校正
    • US08749892B2
    • 2014-06-10
    • US13163648
    • 2011-06-17
    • Gal ShabtayEphraim GoldenbergYariv Oz
    • Gal ShabtayEphraim GoldenbergYariv Oz
    • G02B3/00
    • G02B7/102G02B13/0045G02B15/161
    • A wide field angle camera module that incorporates field curvature correction suitable for an electronic device is described herein. By way of example, the wide field angle camera module comprises micro optical lenses adapted to capture field angles of greater than thirty degrees, and is further adapted to provide field curvature correction for a range of object distances, and for a range of zoom configurations include 1×, 2× and 3× zoom configurations. Furthermore, the field correction can be implemented alone or in conjunction with signal processing that corrects barrel distortion introduced by the micro optical lenses. In particular aspects, the field correction can be automated based on image quality analysis to provide a high quality image for object distances substantially 30 centimeters or larger.
    • 本文描述了包含适用于电子设备的场曲率校正的宽场角摄像机模块。 作为示例,广角摄像机模块包括适于捕获大于30度的场角的微型光学透镜,并且还适于为一系列物体距离提供场曲率校正,并且对于一系列变焦配置,包括 1×,2×和3×变焦配置。 此外,场校正可以单独实施或与校正由微型光学透镜引入的桶形失真的信号处理相结合。 在特定方面,基于图像质量分析可以自动进行场校正,以提供大约30厘米或更大的物距的高质量图像。