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    • 3. 发明授权
    • Acoustically communicating data signals across an electrical isolation barrier
    • 在电隔离屏障之间进行声学传播数据信号
    • US07525398B2
    • 2009-04-28
    • US11252845
    • 2005-10-18
    • Ken NishimuraJohn D. Larson, IIIStephen R. Gilbert
    • Ken NishimuraJohn D. Larson, IIIStephen R. Gilbert
    • H03H9/50H03H9/54H04L27/00H03K9/02H03K7/02H03K7/06
    • H04L27/10H04B11/00H04L27/18
    • In one aspect, a data communication system includes a modulator, an integrated acoustic data coupler, and a demodulator. The modulator modulates a carrier signal having a frequency in an operating frequency range in response to an input data signal and provides the modulated carrier signal at a modulator output. The integrated acoustic data coupler includes an acoustically resonant structure that has one or more acoustic resonant frequencies in the operating frequency range. The acoustically resonant structure includes a first thin film electro-acoustic transducer electrically coupled to the modulator output, a second thin film electro-acoustic transducer, and a substrate. The substrate supports, acoustically couples, and provides an electrical isolation barrier between the first and second thin film electro-acoustic transducers. The demodulator has a demodulator input coupled to the second thin film electro-acoustic transducer and is operable to generate an output data signal from an input signal received at the demodulator input.
    • 在一个方面,数据通信系统包括调制器,集成声学数据耦合器和解调器。 调制器响应于输入数据信号调制具有在工作频率范围内的频率的载波信号,并在调制器输出端提供经调制的载波信号。 集成声学数据耦合器包括在工作频率范围内具有一个或多个声学谐振频率的声学共振结构。 声学共振结构包括电耦合到调制器输出的第一薄膜电声换能器,第二薄膜电声换能器和基底。 衬底支撑,声耦合,并且在第一和第二薄膜电声换能器之间提供电隔离屏障。 解调器具有耦合到第二薄膜电声换能器的解调器输入,并且可操作以从在解调器输入处接收的输入信号产生输出数据信号。
    • 5. 发明申请
    • Acoustically communicating data signals across an electrical isolation barrier
    • 在电隔离屏障之间进行声学传播数据信号
    • US20070086274A1
    • 2007-04-19
    • US11252845
    • 2005-10-18
    • Ken NishimuraJohn LarsonStephen Gilbert
    • Ken NishimuraJohn LarsonStephen Gilbert
    • B06B1/06H04B1/02G08B1/00
    • H04L27/10H04B11/00H04L27/18
    • In one aspect, a data communication system includes a modulator, an integrated acoustic data coupler, and a demodulator. The modulator modulates a carrier signal having a frequency in an operating frequency range in response to an input data signal and provides the modulated carrier signal at a modulator output. The integrated acoustic data coupler includes an acoustically resonant structure that has one or more acoustic resonant frequencies in the operating frequency range. The acoustically resonant structure includes a first thin film electro-acoustic transducer electrically coupled to the modulator output, a second thin film electro-acoustic transducer, and a substrate. The substrate supports, acoustically couples, and provides an electrical isolation barrier between the first and second thin film electro-acoustic transducers. The demodulator has a demodulator input coupled to the second thin film electro-acoustic transducer and is operable to generate an output data signal from an input signal received at the demodulator input.
    • 在一个方面,数据通信系统包括调制器,集成声学数据耦合器和解调器。 调制器响应于输入数据信号调制具有在工作频率范围内的频率的载波信号,并在调制器输出端提供经调制的载波信号。 集成声学数据耦合器包括在工作频率范围内具有一个或多个声学谐振频率的声学共振结构。 声学共振结构包括电耦合到调制器输出的第一薄膜电声换能器,第二薄膜电声换能器和基底。 衬底支撑,声耦合,并且在第一和第二薄膜电声换能器之间提供电隔离屏障。 解调器具有耦合到第二薄膜电声换能器的解调器输入,并且可操作以从在解调器输入处接收的输入信号产生输出数据信号。
    • 7. 发明申请
    • Differential color sensor without filters
    • 不带滤光片的差分彩色传感器
    • US20060043265A1
    • 2006-03-02
    • US10919593
    • 2004-08-16
    • Ken Nishimura
    • Ken Nishimura
    • H01J40/14
    • H01L27/1443G01J3/50G01J2003/466H01L31/101
    • A semiconductor color sensor implemented without the use of color filters. Fabricating photodiodes using different semiconductor materials provide photodiodes with different sensitivities vs. wavelengths. A first embodiment uses photodiodes with different junction depths. A shallow junction depth produces a photodiode with its sensitivity peak in shorter wavelengths, while a deeper junction depth produces a photodiode with its sensitivity peak in longer wavelengths. Amorphous as well as crystalline structures may be used. A second embodiment uses photodiodes with different materials, such as Silicon-Germanium (SiGe) which has a longer wavelength peak sensitivity, and Silicon (Si) which has a shorter wavelength peak sensitivity in comparison. More than two photodiodes having different wavelength sensitivities may be used. Sensing current ratios between pairs of diodes allows color balance to be maintained.
    • 实现了不使用滤色器的半导体颜色传感器。 使用不同的半导体材料制造光电二极管提供具有不同灵敏度与波长的光电二极管。 第一实施例使用具有不同结深度的光电二极管。 浅结深产生具有较短波长的灵敏度峰值的光电二极管,而较深的结深度产生具有较长波长的灵敏度峰值的光电二极管。 可以使用非晶态以及晶体结构。 第二实施例使用具有不同材料的光电二极管,例如具有较长波长峰值灵敏度的硅锗(SiGe)和具有较短波长峰值灵敏度的硅(Si)。 可以使用具有不同波长灵敏度的两个以上的光电二极管。 二极管之间的感应电流比可以保持色彩平衡。
    • 10. 发明授权
    • Image sensing device
    • 图像传感装置
    • US06873804B2
    • 2005-03-29
    • US09922643
    • 2001-08-07
    • Hidekazu ShimomuraKen Nishimura
    • Hidekazu ShimomuraKen Nishimura
    • G03G15/01H04N1/047H04N1/113H04N1/12G03G15/00
    • H04N1/0473G03G15/0194G03G2215/0161H04N1/1135H04N1/12H04N2201/0471H04N2201/04722
    • An image sensing device includes: a light source, a recording member on which an image is formed and conveyed in one direction, illumination system for causing a light beam emitted from the light source to obliquely illuminate the recording member and, imaging system for condensing specularly reflected light from the image on the recording member and causing the reflected light to travel to a surface of a photodetector, so that the image sensing device obtains positional information of the image on the recording member on the basis of a signal obtained by the photodetector. When the amount of displacement of the recording member in a vertical direction during conveyance of the recording member is d, an angle between the optical axis of the imaging system and a normal to the recording member is θ (degrees), and resolution of the image formed on the recording member is R (dpi), the components are set so that d·tan θ
    • 图像感测装置包括:光源,在其上形成图像并沿一个方向传送的记录部件,用于使从光源发射的光束倾斜地照射记录部件的照明系统,以及镜面聚光成像系统 来自记录部件上的图像的反射光并使反射光行进到光电检测器的表面,使得图像感测装置基于由光电检测器获得的信号获得记录部件上的图像的位置信息。 当在记录部件传送期间记录部件在垂直方向上的位移量为d时,成像系统的光轴与记录部件的法线之间的角度为θ(度),图像的分辨率 在记录部件上形成的是R(dpi),这些部件被设定成