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    • 3. 发明授权
    • Image signal reproduction circuit for swing image sensor
    • 用于摆动图像传感器的图像信号再现电路
    • US4612581A
    • 1986-09-16
    • US711022
    • 1985-03-12
    • Yukio EndoNozomu HaradaOkio Yoshida
    • Yukio EndoNozomu HaradaOkio Yoshida
    • H04N5/18H04N5/335H04N5/349H04N5/351H04N5/357H04N5/3725H04N5/3728H04N5/378H04N9/07H04N3/14
    • H04N3/1587
    • A CCD output signal reproduction apparatus is applied to a solid state image sensor that performs a swing-driven image pickup operation. This image sensor is synchronized with one frame period and swings periodically and relatively in relation to incident light to pickup the image while changing the sampling positions in the A and B field periods. The carrier generator produces first and second sinusoidal carrier signals which have the same frequency as that of the read out frequency of the image sensor. An amplitude modulator modulates the carrier signals in response to the waveforms of the image signals supplied from the image sensor. Accordingly, amplitude-modulated A, B field image signals, which are phase-shifted by half the pixel pitch of the pixel arrangement of the image sensor. A carrier clamp circuit forcibly clamps the different peak potentials of the carrier waveforms of the amplitude-modulated field image signals to the reference potential level. In this way, when the field image signal whose waveform has been shaped is synthesized on the reproduction screen, it is possible to obtain a one frame image which has a resolution twice that determined by the actual number of pixels.
    • CCD输出信号再现装置被应用于执行摆动驱动图像拾取操作的固态图像传感器。 该图像传感器与一个帧周期同步,并相对于入射光周期性地相对摆动,以在改变A和B场周期中的采样位置的同时拾取图像。 载波发生器产生具有与图像传感器的读出频率相同频率的第一和第二正弦载波信号。 振幅调制器响应于从图像传感器提供的图像信号的波形来调制载波信号。 因此,幅度调制的A,B场图像信号被相移了图像传感器的像素排列的像素间距的一半。 载波钳位电路强制地将幅度调制的场图像信号的载波波形的不同峰值电压钳位到参考电位电平。 以这种方式,当在再现画面上合成波形已被整形的场图像信号时,可以获得具有由实际像素数确定的分辨率的两倍的一帧图像。
    • 4. 发明授权
    • CCD Picture element defect compensating apparatus
    • CCD图像元素缺陷补偿装置
    • US4567525A
    • 1986-01-28
    • US661050
    • 1984-10-15
    • Yukio EndoNozomu HaradaOkio Yoshida
    • Yukio EndoNozomu HaradaOkio Yoshida
    • H04N5/217H04N5/335H04N5/341H04N5/367H04N5/369H04N5/3725H04N5/3728H04N5/374H04N5/378H04N3/14
    • H04N5/2176
    • A solid-state image sensing device such as an interline-transfer type charge coupled device generates signal charges in response to incident light to produce an image signal. The CCD output signal includes a mixed reset pulse component from a reset pulse driver to the IT-CCD, as well as an image signal component corresponding to the signal charges. When the IT-CCD contains a defective picture element, position data of the defective picture element is stored into an address memory. An amplitude controller detects an increment of a signal level corresponding to a dark current generated at the defective picture element, and temporarily decreases the amplitude of the reset pulse only when the image signal is output from the defective picture element. In this way, the mixed reset pulse contained in the image signal output from the defective picture element is reduced, thereby subtracting the signal level increment from the CCD output signal produced from the defective picture element.
    • 诸如行间转移型电荷耦合器件的固态图像感测装置响应于入射光产生信号电荷以产生图像信号。 CCD输出信号包括从复位脉冲驱动器到IT-CCD的混合复位脉冲分量,以及对应于信号电荷的图像信号分量。 当IT-CCD包含有缺陷的图像元素时,有缺陷的图像元素的位置数据被存储到地址存储器中。 振幅控制器检测与在缺陷像素产生的暗电流相对应的信号电平的增量,并且仅在从缺陷像素输出图像信号时暂时降低复位脉冲的幅度。 以这种方式,从缺陷像素输出的图像信号中包含的混合复位脉冲减少,从而从由缺陷像素产生的CCD输出信号减去信号电平增量。
    • 5. 发明授权
    • Solid state image sensor
    • 固态图像传感器
    • US4543489A
    • 1985-09-24
    • US706254
    • 1985-02-28
    • Nozomu HaradaYukio EndoOkio YoshidaYoshiyuki Matsunaga
    • Nozomu HaradaYukio EndoOkio YoshidaYoshiyuki Matsunaga
    • H01L27/146H04N3/15H04N9/04H01J40/14
    • H01L27/14667H01L27/14665H04N3/15H04N9/045
    • A solid state image sensor with a plurality of cells comprising a photoelectric converting film formed on a semiconductor substrate for photoelectrically converting incoming light rays to generate signal charge, signal charge storage areas for storing said signal charge formed in said substrate, signal charge read out areas for reading out said signal charge from said storage area, conductor electrodes for making said photoelectric converting film electrically contact with said signal charge storage areas to lead said signal charge from said photoelectric converting film to said storage areas, and series of said conductor electrodes arranged along at least two or more row lines in a matrix of said conductor electrodes being displayed in the row direction by 1/2 of the length of one electrode one from the other as viewed in the column direction.
    • 一种具有多个单元的固态图像传感器,包括形成在半导体基板上的用于光电转换入射光线以产生信号电荷的光电转换膜,用于存储形成在所述基板中的所述信号电荷的信号电荷存储区域,信号电荷读出区域 用于从所述存储区域读出所述信号电荷,用于使所述光电转换膜与所述信号电荷存储区域电接触的导体电极将所述信号电荷从所述光电转换膜引导到所述存储区域,并且所述导体电极串联布置 所述导体电极的矩阵中的至少两条或更多条行线沿着列方向从行方向显示为一个电极的长度的1/2。
    • 8. 发明授权
    • Image-sensing system with noise eliminator
    • 带噪声消除器的图像感应系统
    • US4698686A
    • 1987-10-06
    • US661683
    • 1984-10-17
    • Yukio EndoNozomu HaradaOkio Yoshida
    • Yukio EndoNozomu HaradaOkio Yoshida
    • H04N5/335H04N5/341H04N5/363H04N5/374H04N5/378H04N3/14
    • H04N5/2173
    • A solid-state image sensor has an electrically floating carrier detecting electrode formed on a substrate, into which the signal carriers are transmitted, a sense amplifier circuit detecting the variation in a voltage of the electrode at the time of transferring the carriers, and a resetting electrode for resetting the potential of the electrode to a predetermined potential at every read-out period of the picture element section. A circuit arrangement for removing noise is provided to have two switches which switch to alternatively become conductive in response to control pulse signals. The first switch becomes conductive during a first period within one picture element period. During the first period the CCD output signal contains an effective image signal component. The second switch becomes conductive during a second period during which the CCD output signal contains a reset noise component, thereby forcibly fixing the level of the reset noise signal to a DC reference potential so that reset noise can be removed.
    • 固态图像传感器具有形成在基板上的电浮动载波检测电极,信号载体被传输到其中;读出放大器电路,检测在传送载体时电极的电压变化,以及复位 电极,用于在像素部分的每个读出周期将电极的电位复位到预定电位。 提供了用于去除噪声的电路装置,以具有响应于控制脉冲信号切换成交替地导通的两个开关。 第一开关在一个像素周期内的第一周期期间变为导通。 在第一周期期间,CCD输出信号包含有效的图像信号分量。 第二开关在CCD输出信号包含复位噪声分量的第二周期期间变为导通,从而强制将复位噪声信号的电平固定为DC参考电位,从而可以去除复位噪声。
    • 10. 发明授权
    • Image signal reproduction circuit for solid-state image sensor
    • 用于固态图像传感器的图像信号再现电路
    • US4595954A
    • 1986-06-17
    • US591491
    • 1984-03-20
    • Yukio EndoNozomu HaradaOkio Yoshida
    • Yukio EndoNozomu HaradaOkio Yoshida
    • H04N5/30H04N5/335H04N5/349H04N5/351H04N5/355H04N5/357H04N5/3728H04N5/378H04N9/07H04N3/14
    • H04N3/1587H04N5/30
    • In an image sensing system, a solid-state image sensor is mounted on a vibration stand in a manner as to vibrate horizontally to an incoming light in synchronization with one frame period, thereby sensing while alternatively displacing at different sampling positions in two field periods. Field image signals from the image sensor is supplied, through a signal processor, to a signal reproduction unit which includes a carrier generator for producing first and second carrier signals having the same frequency as the horizontal readout frequency of the image sensor and a phase in reverse to one other in the field periods, and an AM modulator for amplitude-modulating the carrier signal. The amplitude modulation field signals thus obtained are sliced at a suitable level by a slicer and then synthesized each other to obtain a frame image signal.
    • 在图像感测系统中,固态图像传感器以与一帧周期同步地水平振动到入射光的方式安装在振动台上,从而在两个场周期中在不同采样位置交替移位时进行感测。 来自图像传感器的场图像信号通过信号处理器被提供给信号再现单元,该信号再现单元包括用于产生具有与图像传感器的水平读出频率相同频率的第一和第二载波信号的载波发生器和相反的相位 在场周期中彼此​​相关,并且用于幅度调制载波信号的AM调制器。 如此获得的幅度调制场信号由限幅器以适当的电平进行切片,然后彼此合成以获得帧图像信号。