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    • 3. 发明授权
    • Original document reading apparatus
    • 原始文件阅读器
    • US4224510A
    • 1980-09-23
    • US946300
    • 1978-09-27
    • Mutsuo TakenouchiTakashi Ozawa
    • Mutsuo TakenouchiTakashi Ozawa
    • G02B26/10H01J31/26H04N1/028H04N1/031H01J39/12
    • H01J31/26H04N1/031
    • An original document reading apparatus has a photocathode on which an image of an original document is focused. An array of secondary electron multipliers are arranged for multiplying the photoelectrons emitted from the photocathode. A plurality of anodes face the secondary electron multipliers, and capacitors are connected between the respective anodes and ground. A common load resistor is connected to the respective anodes through series circuits each including two electronic switch arrays. A scanning circuit is used for opening and closing the series connected switches to sequentially connect the common load resistor to the anodes to scan them. An amplifier circuit is used for amplifying the output which is generated in the common load resistor. The first of the electronic switch arrays are separated into n groups so that control is effected for every group and the drain terminals of the corresponding first described switches in the groups are commonly connected to the source terminals of the second electronic switch array thereby reducing the required number of the electronic switches.
    • 原始文件读取装置具有聚焦原件的图像的光电阴极。 布置二次电子倍增器阵列,用于使从光电阴极发射的光电子相乘。 多个阳极面对二次电子倍增器,并且电容器连接在各个阳极和地之间。 公共负载电阻通过串联电路连接到各个阳极,每个串联电路包括两个电子开关阵列。 扫描电路用于打开和关闭串联的开关,以将公共负载电阻顺序地连接到阳极以扫描它们。 放大电路用于放大在公共负载电阻中产生的输出。 电子开关阵列中的第一个被分成n组,使得对于每个组进行控制,并且组中相应的第一个描述的开关的漏极端子共同连接到第二电子开关阵列的源极端子,从而减少所需的 电子开关的数量。
    • 4. 发明授权
    • Image sensor
    • 图像传感器
    • US4589026A
    • 1986-05-13
    • US521104
    • 1983-08-08
    • Takashi OzawaMutsuo Takenouchi
    • Takashi OzawaMutsuo Takenouchi
    • H04N1/028G06T1/00H01L27/146H04N1/031H04N1/193H04N1/10
    • H04N1/031H01L27/14665H04N1/1931
    • In the image sensor, thin film transistors are provided in the one-to-one correspondence to the photoelectric conversion element these thin film transistors being divided into blocks of adjoining ones whose gate electrodes are mutually connected, and the switching signal is sequentially supplied to each mutually connected gate electrodes of the same block. Further, the output electrodes of those thin film transistors located in the corresponding positions in each odd and even numbered blocks are mutually connected, and the charge transfer circuits comprising the MOS transistors are provided corresponding to respective common connection line groups of odd numbered block and even numbered block. By this construction, at the time of picking up the outputs of the photoelectric conversion elements, the switching period for the thin film transistors can be retained as long as the original reading time of a plurality of the photoelectric conversion elements corresponding to a plurality of the thin film transistors whose gate electrodes are mutually connected, and therefore the speed of outputting read signal is determined soley by the MOS transistor switching speed. In addition, the number of the connection lines required may be as small as the number of the common connection lines.
    • 在图像传感器中,薄膜晶体管与光电转换元件一一对应地提供,这些薄膜晶体管被分成与栅极相互连接的相邻块的块,并且切换信号被顺序地提供给每个 相同块的相互连接的栅电极。 此外,位于每个奇数和偶数个块中的相应位置的那些薄膜晶体管的输出电极相互连接,并且包括MOS晶体管的电荷转移电路相应于奇数块和偶数块的各个公共连接线组 编号块。 通过这种结构,在拾取光电转换元件的输出时,可以保持薄膜晶体管的切换周期,只要多个光电转换元件的原始读取时间对应于多个 其栅电极相互连接的薄膜晶体管,因此通过MOS晶体管的切换速度来确定输出读取信号的速度。 此外,所需的连接线的数量可以与公共连接线的数量一样小。
    • 6. 发明授权
    • Facsimile scanner
    • 传真扫描仪
    • US4177487A
    • 1979-12-04
    • US891249
    • 1978-03-29
    • Mutsuo TakenouchiTakashi OzawaSyoji WakoSatoru Itoh
    • Mutsuo TakenouchiTakashi OzawaSyoji WakoSatoru Itoh
    • H01J43/24H04N1/031H04N1/032H04N1/193H04N1/29H04N1/04
    • H04N1/031H01J43/24H04N1/032H04N1/1931H04N1/29
    • An electro-optical picture signal processing system, wherein an optical image is converted into time sequential electrical picture signals, or, conversely, time sequential electrical picture signals into an optical image or an electrostatic latent image, is provided with an electron emission plane arranged in one-dimension, a control electrode positioned face to face with said plane to control the passing of electrons from the electron emission plane, a secondary-electron multiplying device yielding secondary-electrons in response to the electrons passing through the control electrode, and an anode collecting the multiplied secondary-electrons. At least one of the electron emission plane and the control electrode is divided into a number of segments each as large as a picture-element, arranged in one-dimension, and one of the segments is selected from one end to the other. When an optical image is converted into time sequential electrical signals, the number of the electrons passing through a selected segment portion is controlled in response to brightness of each picture-element of the optical image. On the other hand, when time sequential electrical signals are converted into an optical image or an electrostatic latent image, the potential difference between the selected part of the electron emission plane and the control electrode is controlled by time sequential picture signals.
    • 一种电光图像信号处理系统,其中光学图像被转换成时间顺序的电子图像信号,或者相反地,将时间顺序的电子图像信号转换成光学图像或静电潜像,设置有布置在 一维的控制电极,与所述平面面对面地控制电子从电子发射平面的通过;响应于通过控制电极的电子产生二次电子的二次电子倍增装置,以及阳极 收集相乘的二次电子。 电子发射平面和控制电极中的至少一个被分成多个排列成一维的图像元素的片段,并且其中一个片段从一端到另一端被选择。 当光学图像被转换为​​时间顺序的电信号时,响应于光学图像的每个图像元素的亮度来控制通过所选择的段部分的电子的数量。 另一方面,当时间顺序的电信号被转换为光学图像或静电潜像时,电子发射平面的所选部分与控制电极之间的电位差由时间顺序的图像信号控制。
    • 7. 发明授权
    • Original reading device
    • 原装阅读器
    • US4566040A
    • 1986-01-21
    • US506265
    • 1983-06-21
    • Takashi OzawaMutsuo Takenouchi
    • Takashi OzawaMutsuo Takenouchi
    • H04N1/028H01L27/146H04N1/193H04N1/40G06K9/00H04N3/14
    • H04N1/1931H01L27/14665H04N1/40056
    • An original reading device of the close-contact type such as may be used in a facsimile system in which the number of interconnections required for the device is made quite small and slow switching times of thin film transistors employed in the device are tolerated. Thin film transistors have input electrodes connected to corresponding photoelectric conversion elements. The thin film transistors are divided into a plurality of ordered groups with gate electrodes of each of the thin film transistors within each group being connected together. A first shift register applies first switching signals to connection points of the gate electrodes of each of the groups in time sequence. Output electrodes of the even- and odd-ordered groups of the thin film transistors are connected to corresponding lines of first and second sets of connecting lines, respectively. Temporary storing means, in the form of stray capacitors, are connected to each of the connecting lines. MOS transistors, which are activated in sequence by a second shift register, transfer the signal charges temporarily stored in the temporary storing means to an output terminal.
    • 紧密接触型的原始读取装置,例如可以用于传感器系统中,其中器件所需的互连数量非常小,并且允许在器件中使用的薄膜晶体管的切换时间慢。 薄膜晶体管具有连接到相应的光电转换元件的输入电极。 薄膜晶体管被分成多个有序组,每个组中的每个薄膜晶体管的栅电极连接在一起。 第一移位寄存器按时间顺序将第一切换信号施加到每个组的栅电极的连接点。 薄膜晶体管的偶次和奇数组的输出电极分别连接到第一组和第二组连接线的相应线。 以杂散电容器形式的临时存储装置连接到每个连接线。 通过第二移位寄存器依次激活的MOS晶体管将暂时存储在临时存储装置中的信号电荷传送到输出端子。
    • 10. 发明授权
    • Scanning type readout device
    • 扫描型读出装置
    • US4271435A
    • 1981-06-02
    • US967757
    • 1978-12-08
    • Mutsuo TakenouchiShunsuke TomiyamaTakashi Ozawa
    • Mutsuo TakenouchiShunsuke TomiyamaTakashi Ozawa
    • G06K11/00H01L27/146H04N1/028H04N1/031H04N1/19H04N1/193H04M3/14
    • H04N1/1931H01L27/14665H04N1/031
    • A scanning type readout device having a photoelectric conducting layer and electrode segments arranged one-dimensionally on one surface of the photoelectric conducting layer. The electrode segments are electrically insulated from each other and each has a size equal to one image element and opposite electrodes are arranged on the other side surface of the photoelectric conducting layer so that each of the opposite electrodes is in opposition to a plurality of the electrode segments. First semiconductor switches are connected respectively to the opposite electrodes and second semiconductor switches connected respectively to some of said electrode segments. A common load resistor and a power source are connected between the first and second semiconductor switches, and a scan-controller is used for opening and closing the first and second semiconductor switches in a predetermined sequence thereby to apply a voltage sequentially between the electrode segments and the opposite electrodes so that the electrode segments are scanned one-dimentionally. Either of the electrode segments or the opposite electrodes are made transparent and a light image is projected on the photoelectric conducting layer from the side of the transparent electrodes.
    • 一种扫描型读出装置,具有光电导电层和一维排列在光电导电层的一个表面上的电极段。 电极段彼此电绝缘,并且每个具有等于一个图像元件的尺寸,并且相对的电极被布置在光电传导层的另一个侧表面上,使得每个相对电极与多个电极相对 细分。 第一半导体开关分别连接到分别连接到一些所述电极段的相对电极和第二半导体开关。 公共负载电阻和电源连接在第一和第二半导体开关之间,并且扫描控制器用于以预定顺序打开和闭合第一和第二半导体开关,从而依次在电极段和电极段之间施加电压 相对电极,使得电极段被一次扫描。 电极段或相对电极中的任一个被制成透明的,并且光图像从透明电极侧投射在光电传导层上。