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    • 14. 发明授权
    • Solid-state image array with simultaneously activated line drivers
    • 具有同时激活的线驱动器的固态图像阵列
    • US5144447A
    • 1992-09-01
    • US330314
    • 1989-03-29
    • Hajime AkimotoShinya OhbaMitsuyuki Mitsui
    • Hajime AkimotoShinya OhbaMitsuyuki Mitsui
    • H04N5/357H04N5/3745
    • H04N5/35518H04N3/1512H04N3/155
    • The present invention relates to an improved solid-state imaging device having pixel amplifiers. The higher definition of the device results in the increase in number of pixels as large as not less than two million. When a solid-state imaging device having such a large number of pixels is provided with pixel amplifiers, there arise various problems associated with a power source and a power supply line as well as a problem inherent to the pixel amplifier type of solid-state imaging device. The present invention provides a solid-state imaging device in which noises or the like are prevented and a picture or image quality having high definition can be obtained, by suppressing a voltage drop of the power supply line and by compensating fluctuations in outputs of the pixel amplifiers.
    • 本发明涉及具有像素放大器的改进的固态成像装置。 器件的高清晰度导致像素数量的增加不少于200万像素。 当具有这样大量像素的固态成像装置设置有像素放大器时,会出现与电源和电源线相关的各种问题以及像素放大器类型的固态成像固有的问题 设备。 本发明提供一种通过抑制电源线的电压降和补偿像素的输出的波动来防止噪声等的固态成像装置,并且可以获得具有高清晰度的图像或图像质量 放大器
    • 17. 发明授权
    • Digital video signal processor
    • 数字视频信号处理器
    • US4825287A
    • 1989-04-25
    • US063476
    • 1987-06-18
    • Toru BajiTatsuji MatsuuraToshiro TsukadaShinya Ohba
    • Toru BajiTatsuji MatsuuraToshiro TsukadaShinya Ohba
    • H04N5/14
    • H04N5/14
    • According to the present invention, the number of elements of a signal processing circuit or the like can be drastically reduced by conducting a time-multiplex processing. In a transversal filter having a coefficient of symmetry of 16 taps, for example, the prior art requires about 58,000 transistors. In case four signal processing cores (i.e., SPC) having a function of four taps are used, the number of transistors required can be reduced to about 34,000 by a duplexing process. In case two SPCs having a function of eight taps are used, the number can be reduced to about 19,000 by a quadplexing process. In case, moreover, one SPC having a function of sixteen taps is used, the number can be reduced to about 13,000 by an octaplexing process. Here, the reason why the number of elements is not halved even if the number of the SPCs is halved is that the number of elements to be used in control circuits, memories and so on increases.
    • 根据本发明,通过进行时间复用处理,可以大大减少信号处理电路等的元件数量。 在具有16个抽头的对称系数的横向滤波器中,例如,现有技术需要约58,000个晶体管。 在使用具有四个抽头功能的四个信号处理核心(即,SPC)的情况下,通过双工处理,所需的晶体管数量可以减少到约34,000个。 在使用具有八个抽头功能的两个SPC的情况下,通过四重处理可将数量减少到约19,000个。 此外,在使用具有十六个抽头功能的一个SPC的情况下,也可以通过八次打印处理将数量减少到约13,000个。 这里,即使SPC的数量减半,元件的数量不减半的原因在于控制电路,存储器等中要使用的元件的数量增加。