会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Photo-sensor circuit with shutter function and operating method
    • 具有快门功能和操作方式的光电传感器电路
    • US06958775B1
    • 2005-10-25
    • US09710196
    • 2000-11-10
    • Sukeyuki ShinotsukaKatsuhiko Takebe
    • Sukeyuki ShinotsukaKatsuhiko Takebe
    • G01J1/46H01L27/146H04N1/028H04N5/335H04N5/341H04N5/353H04N5/355H04N5/357H04N5/369H04N5/374H04N5/3745H04N5/376H04N5/378H04N3/14
    • G01J1/46
    • A photo-sensor circuit according to an embodiment of the present invention comprises a photo-detecting element (PD) for detecting a light signal and converting the same signal into an electric signal, a first MOS transistor (QT) for charging and discharging parasitic capacitance (C1), a capacitor (C2) for accumulating a terminal voltage of the photo-detecting element as a pixel signal, a second MOS transistor (Q2) for transferring a parasitic capacitance charge from the photo-detecting element to the capacitor (C2), a third MOS transistor (Q3) for amplifying the terminal voltage of the capacitor and a fourth MOS transistor (Q4) for selectively outputting an amplified pixel signal. In the above structure, the first MOS transistor and the second MOS transistor are turned ON for a certain period of time before accumulation of a pixel signal to equalize terminal voltages of the photo-detecting element and the capacitor by charging and discharging the parasitic capacitance of the photo-detecting element and the capacitor, the second MOS transistor is turned OFF and the capacitor is open after a certain period of time of accumulation of the pixel signal and then the fourth MOS transistor is switched ON. This photo-sensor circuit offers an advantageous feature of producing a pixel signal having high reproducibility.
    • 根据本发明实施例的光传感器电路包括用于检测光信号并将相同信号转换为电信号的光检测元件(PD),用于对寄生电容进行充电和放电的第一MOS晶体管(QT) (C 1),用于将光检测元件的端子电压累积为像素信号的电容器(C 2),用于将寄生电容电荷从光检测元件传递到电容器的第二MOS晶体管(Q 2) (C 2),用于放大电容器的端子电压的第三MOS晶体管(Q 3)和用于选择性地输出放大的像素信号的第四MOS晶体管(Q 4)。 在上述结构中,第一MOS晶体管和第二MOS晶体管在累积像素信号之前被导通一段时间,以通过对光电检测元件和电容器的端子电压进行充电和放电来平衡寄生电容 光检测元件和电容器,第二MOS晶体管截止,并且在像素信号的累积的一定时间段之后电容器断开,然后第四MOS晶体管导通。 该光电传感器电路提供了产生具有高再现性的像素信号的有利特征。
    • 4. 发明授权
    • Means for generating an intermittent alarm sound for a timepiece
    • 用于产生用于钟表的间歇性报警声的装置
    • US4589780A
    • 1986-05-20
    • US787699
    • 1985-10-15
    • Katsuhiko Takebe
    • Katsuhiko Takebe
    • G04G13/00G04C21/02G04G13/02G10K15/04G04B23/02
    • G04G13/021
    • A timepiece of the type including a time indicating circuit and an electronic alarm sound generating means. The alarm sound generating means including a counter outputting a sound switching signal at every predetermined time by counting the pulse signal of the time indicating circuit, a switch-over circuit consisting of a flipflop group for supplying the sounding number switch-over signal to preset the sounding numbers which are performed at a fixed period by the sound switching signal, a preset counter counting for a fixed pulse signal of the time indicating circuit and a value which is determined by the sounding number switch-over signal, a waveform convertor for outputting a preset control signal which presets the preset counter at every fixed period by utilizing the pulse signal from the time indicating circuit, a gate means for outputting the fixed pulse signal together with an audible frequency signal by the time the preset counter is counted up by the fixed pulse signal after the preset counter is preset, and an electronic sounding circuit performing the sounding action of the signal from the gate means, whereby an electronic alarm sound generating means for a timepiece can change its sounding numbers and intervals repeatedly at a fixed period and at a determined time.
    • 一种包括时间指示电路和电子警报声产生装置的类型的钟表。 报警声发生装置包括:计数器,通过对时间指示电路的脉冲信号进行计数,输出每隔预定时间的声音切换信号的计数器;切换电路,包括用于提供探空号码切换信号的触发器组, 通过声音切换信号在固定时间段执行的声音数量,对于时间指示电路的固定脉冲信号的预设计数器计数和由探测号码切换信号确定的值;波形转换器,用于输出 预置控制信号,其通过利用来自时间指示电路的脉冲信号在每个固定周期预设预置计数器;门装置,用于在预设计数器向上固定时输出固定脉冲信号和可听频率信号 预置计数器之后的脉冲信号,以及执行该信号的探测动作的电子探测电路 通过门装置,用于钟表的电子报警声产生装置可以在固定时间段和确定的时间重复地改变其发声数量和间隔。
    • 6. 发明授权
    • Image sensor with a voltage switching circuit for low afterglow
    • 具有低余辉电压开关电路的图像传感器
    • US07176435B2
    • 2007-02-13
    • US09848471
    • 2001-05-03
    • Sukeyuki ShinotsukaNobuhiro FuekiJiro KuritaKatsuhiko Takebe
    • Sukeyuki ShinotsukaNobuhiro FuekiJiro KuritaKatsuhiko Takebe
    • H03F3/08H04N3/14
    • H04N5/35518H04N5/2175H04N5/363
    • Disclosed is an image sensor consisting of light sensor circuits arranged to form an array of pixels, each of which produces in a photoelectric converting element a sensor current proportional to the quantity of light falling thereon and converts the sensor current into a voltage signal by a MOS type transistor with a logarithmic output characteristic in a weak inverse state, wherein a means for changing over a drain voltage of the transistor for each light sensor circuit to a value lower than a normal value for a specified time to remove a charge accumulated in a parasitic capacity of the photoelectric converting element to initialize the circuit before detecting a light signal. The image sensor can obtain a voltage signal corresponding to the quantity of incident light even if the sensor current was rapidly changed, thereby eliminating the possibility of occurrence of afterglow of each pixel even at a small quantity of incident light.
    • 公开了一种由光传感器电路组成的图像传感器,其被布置成形成像素阵列,每个像素阵列在光电转换元件中产生与其上的光量成比例的传感器电流,并将传感器电流通过MOS转换成电压信号 具有弱反相状态的对数输出特性的晶体管,其中,用于将每个光传感器电路的晶体管的漏极电压切换到低于正常值的值达指定时间的装置,以去除寄生在其中的电荷 光电转换元件在检测光信号之前初始化电路的容量。 即使传感器电流迅速变化,图像传感器也可以获得与入射光量相对应的电压信号,从而即使在少量入射光下也能消除每个像素的余辉的可能性。
    • 8. 发明授权
    • Solid-state image pick-up device and drive method for same
    • 固态摄像装置及其驱动方法相同
    • US06697113B1
    • 2004-02-24
    • US09258842
    • 1999-02-26
    • Toshiaki TanakaKatsuhiko Takebe
    • Toshiaki TanakaKatsuhiko Takebe
    • H04N314
    • H04N5/374
    • In a solid-state image pick-up device having a photoelectrical conversion element cell array with a matrix arrangement of cells, between either a first or second signal line and a prescribed selection circuit that drives the signal line are provided a multiple signal line received light amount value storage means that includes a amount of received light detection means that separately reads out the amount of received light data for a plurality of photoelectrical conversion element cells connected to a plurality of selected signal lines in the other signal group, and a switching means that selectively transmits this detected amount of received light information to an output means.
    • 在具有具有单元的矩阵排列的光电转换元件单元阵列的固态图像拾取装置中,在第一或第二信号线与驱动信号线的规定选择电路之间提供多信号线接收光 数量值存储装置,其包括接收光检测装置的量,该装置分别读出连接到另一个信号组中的多个所选信号线的多个光电转换元件单元的接收光数据量,以及切换装置, 选择性地将该检测到的接收光信息量发送到输出装置。