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    • 2. 发明授权
    • Sound effect generator and audio system
    • 音效发生器和音响系统
    • US06399868B1
    • 2002-06-04
    • US09670886
    • 2000-09-28
    • Makoto YamatoTony Williams
    • Makoto YamatoTony Williams
    • G10H102
    • G10H1/0091G10H2210/281G10H2210/301Y10S84/01Y10S84/26Y10S84/27
    • A sound field effect adding apparatus is provided to add such effects as reverberation to the musical tone signal of an electronic organ and the like, and to produce a sound field effect. It is possible to create a satisfactory reproduced sound field to which a sound field effect has been added by means of a low frequency component without having to provide a dedicated unit or dedicated speaker system that can reproduce low frequencies. The apparatus has an input terminal with which a musical tone that includes a low frequency is input, and a means in which a sound field added musical tone signal is generated that produces a sound field effect that is based on an input musical tone signal. The apparatus has a first output terminal with which this sound field added musical tone signal is output to a speaker system used for sound field reproduction, and a generation means in which a low frequency component of the sound field added musical tone signal that contributes to the production of the sound field effect that is related to the low frequency is generated, which is different from the sound field added musical tone signal that is output by the first output terminal. The apparatus also includes a second output terminal with which this low frequency component is output to an external device.
    • 提供了声场效应添加装置,以将诸如混响的效果添加到电子琴等的乐音信号中,并产生声场效果。 可以通过低频分量创建令人满意的再现声场,而不必提供可以再现低频的专用单元或专用扬声器系统。 该装置具有输入端子,通过该输入端输入包括低频的乐音,并且产生产生基于输入的乐音信号的声场效果的声场增加的乐音信号的装置。 该装置具有第一输出端子,该声场添加的乐音信号被输出到用于声场再现的扬声器系统,以及产生装置,其中增加了声场信号的低频分量, 产生与低频相关的声场效应的产生,这与由第一输出端子输出的声场相加的乐音信号不同。 该装置还包括第二输出端子,该低频分量被输出到外部装置。
    • 3. 发明授权
    • Varying an electric field, during development of a latent electrostatic
image with developer solution, in proportion to a sensed concentration
of toner that is within the developer solution
    • 在显影剂溶液中显影静电潜像的过程中,与显影剂溶液中感测到的调色剂浓度成比例地改变电场
    • US5243391A
    • 1993-09-07
    • US876974
    • 1992-05-01
    • Tony WilliamsPaul EricksonStan Dorr
    • Tony WilliamsPaul EricksonStan Dorr
    • G03G15/06G03G15/10
    • G03G15/10G03G15/065
    • The separation between two plates or electrodes--between which plates a developer solution is applied to develop a latent electrostatic charge image on a photoconductive medium within an electrophotographic imager--is varied in proportion to a detected concentration of toner within the developer solution. Resultantly to this control of the separation of the two plates, the proximity of the medium's photoconductive surface to a one plate, and the strength of the electric field between that plate and the photoconductive surface, is also controlled. By the control the thickness and density of the applied toner film is maintained constant, and a high quality image is maintained, despite depletion of toner from the developer solution. The toner concentration is preferably sensed as electrical resistance. A control circuit responsive to this sensed resistance preferably includes an analog-digital converter, a microprocessor, a stepper motor driver/controller, and a stepper motor rotating a cam. The cam rotation varies the separation between the two plates. The useful life of the developer solution for imaging is typically extended by a factor of at least two.
    • 施加显影剂溶液板之间的两个板或电极之间的间隔,以在电子照相成像仪内的光导介质上显影潜静电荷图像,与检测到的显影剂溶液中的调色剂浓度成比例地变化。 由此可以控制两块板的分离,介质的光电导表面与一块板的接近度以及该板与光电导表面之间的电场强度也受到控制。 通过控制,所施加的调色剂膜的厚度和密度保持恒定,并且尽管从显影剂溶液中消耗调色剂,仍保持高质量的图像。 调色剂浓度优选地被感测为电阻。 响应于该感测电阻的控制电路优选地包括模拟数字转换器,微处理器,步进电机驱动器/控制器和旋转凸轮的步进电机。 凸轮旋转改变两个板之间的间隔。 用于成像的显影剂溶液的使用寿命通常延长至少两倍。