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    • 21. 发明授权
    • Solid state image sensor with fixed pattern noise reduction
    • 固态图像传感器具有固定图案降噪功能
    • US06677993B1
    • 2004-01-13
    • US09134153
    • 1998-08-14
    • Ryoji SuzukiTakahisa UenoKoichi ShionoKazuya Yonemoto
    • Ryoji SuzukiTakahisa UenoKoichi ShionoKazuya Yonemoto
    • H04N5217
    • H04N5/378H04N5/335H04N5/3575H04N5/3597H04N5/363H04N5/365H04N5/3658H04N5/374H04N5/3745
    • A solid-state image sensor comprises unit pixels each having a photoelectric conversion element for converting incident light into electric signal charge and then storing the signal charge obtained through such photoelectric conversion, an amplifying element for converting into an electric signal the signal charge stored in the photoelectric conversion element, and a select switch for selectively outputting the pixel signal from the amplifying element to a signal line. The image sensor further comprises a reset circuit in each of the unit pixels for resetting the photoelectric conversion element every time a pixel signal is outputted from the relevant unit pixel. The photoelectric conversion element is reset every time a pixel signal is outputted, so that a pre-reset signal and a post-reset signal are delivered from each unit pixel and then are transferred via a common path, and the difference between such signals is taken to suppress not only the fixed pattern noise derived from characteristic deviation in each unit pixel but also vertically correlated fixed pattern noises of vertical streaks.
    • 固态图像传感器包括单位像素,每个单元具有光电转换元件,用于将入射光转换为电信号电荷,然后存储通过这种光电转换获得的信号电荷;放大元件,用于将存储在 光电转换元件,以及用于选择性地将来自放大元件的像素信号输出到信号线的选择开关。 图像传感器还包括每个单位像素中的复位电路,用于在每次从相关单位像素输出像素信号时复位光电转换元件。 光电转换元件在每次输出像素信号时复位,从而从每个单位像素传送预复位信号和复位后信号,然后通过公共路径传输,并且采用这种信号之间的差异 不仅抑制来自每个单位像素中的特征偏差的固定模式噪声,而且抑制垂直条纹的垂直相关的固定模式噪声。
    • 23. 发明授权
    • Glass wave guide element and method of manufacturing the same
    • 玻璃波导元件及其制造方法
    • US6093334A
    • 2000-07-25
    • US441681
    • 1999-11-17
    • Ryoji SuzukiHisato UetsukaDai KobayashiHideaki AraiKorenori Tamura
    • Ryoji SuzukiHisato UetsukaDai KobayashiHideaki AraiKorenori Tamura
    • G02B6/13G02B6/12G02F1/01C03C23/00B29B11/00G02B6/10
    • G02F1/011G02B2006/12107G02F1/0147G02F2001/0113G02F2201/30G02F2201/307
    • A glass wave guide element, which is small in size and amenable to integration and mass-production, and a method of manufacturing the glass wave guide element are provided. The glass wave guide element includes a core having a diffraction grating formed on an under cladding, an over cladding covering the core and a heater for changing the Bragg wavelength of the diffraction grating, the heater being arranged on the over cladding. The core and a central portion of both claddings in a surrounding portion around the core are formed in a state of being continuously separated along a longitudinal direction of the core from the substrate through a gap, and the core and the surrounding portion around the core are formed in a state of being spatially intermittently separated in a width direction of the core from a surrounding portion of both claddings through a gap. The wave guide is formed by etching to form gaps spaced intermittently along both sides of a core with under cladding and over cladding, and then removing a patterned silicon film from underneath the core.
    • 本发明提供一种玻璃波导元件,其尺寸小,易于集成和批量生产,以及制造玻璃波导元件的方法。 玻璃波导元件包括具有形成在下包层上的衍射光栅的芯,覆盖芯的上包层和用于改变衍射光栅的布拉格波长的加热器,加热器布置在外包层上。 在围绕芯部的周围部分中的两个包层的芯部和中心部分形成为沿芯部的纵向方向通过间隙从基板连续分离的状态,并且芯部和芯周围的周围部分是 形成在通过间隙在两个包层的周围部分沿着芯的宽度方向在空间上间歇地分离的状态。 通过蚀刻形成波导,以形成沿着具有下包层和外包层的芯的两侧间歇间隔的间隙,然后从芯下方去除图案化的硅膜。
    • 24. 发明授权
    • Speech signal processing apparatus for amplifying an input signal based
upon consonant features of the signal
    • 语音信号处理装置,用于根据信号的辅音特征放大输入信号
    • US5583969A
    • 1996-12-10
    • US52698
    • 1993-04-26
    • Yoshiyuki YoshizumiTsuyoshi MekataYoshinori YamadaRyoji Suzuki
    • Yoshiyuki YoshizumiTsuyoshi MekataYoshinori YamadaRyoji Suzuki
    • G10L11/04G10L11/06G10L21/02G10L9/00
    • G10L21/0364
    • An apparatus for processing a speech signal includes a coefficient calculating circuit for receiving an input signal, and for generating a first value for suppressing a change of level of the input signal; a first delay circuit for receiving the input signal, and for delaying the input signal by a predetermined time; a feature extracting circuit for receiving the input signal, and for deriving a feature value representing a feature of consonants from the input signal; a coefficient control circuit for receiving the first value from the coefficient calculating circuit and the feature value from the feature extracting circuit, and for changing the amplitude and the duration of the first value depending on the feature value, so as to generate a second value; a multiplying circuit for receiving the delayed input signal from the first delay circuit and the second value from the coefficient control circuit, and for multiplying the delayed input signal by the second value.
    • 用于处理语音信号的装置包括:系数计算电路,用于接收输入信号,并产生用于抑制输入信号电平变化的第一值; 用于接收输入信号并将输入信号延迟预定时间的第一延迟电路; 特征提取电路,用于接收输入信号,并从输入信号中导出表示辅音特征的特征值; 系数控制电路,用于从系数计算电路接收第一值和来自特征提取电路的特征值,并且用于根据特征值改变第一值的幅度和持续时间,以产生第二值; 用于从第一延迟电路接收延迟的输入信号和来自系数控制电路的第二值,并将延迟的输入信号乘以第二值的乘法电路。