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    • 93. 发明授权
    • Semiconductor memory circuit
    • 半导体存储电路
    • US08902645B2
    • 2014-12-02
    • US14033926
    • 2013-09-23
    • Seiko Instruments Inc.
    • Kazuhiro Tsumura
    • G11C16/04G11C16/12G11C16/06G11C16/24
    • G11C16/24G11C16/06G11C16/12
    • Provided is a semiconductor memory circuit excellent in long-term reliability and reading characteristics and having low current consumption. The semiconductor memory circuit includes: a first inverter; a first non-volatile memory, which is electrically writable; a second inverter; and a second non-volatile memory, the first inverter having an output connected to a source of the first non-volatile memory, the first non-volatile memory having a drain connected to an input of the second inverter, the second inverter having an output connected to a source of the second non-volatile memory, the second non-volatile memory having a drain connected to an input of the first inverter, the drain of the second non-volatile memory serving as an output of the semiconductor memory circuit.
    • 提供了长期可靠性和读取特性优异且电流消耗低的半导体存储电路。 半导体存储电路包括:第一反相器; 第一非易失性存储器,其是可电可写的; 第二个逆变器; 和第二非易失性存储器,所述第一反相器具有连接到所述第一非易失性存储器的源极的输出,所述第一非易失性存储器具有连接到所述第二反相器的输入的漏极,所述第二反相器具有输出 连接到第二非易失性存储器的源极,第二非易失性存储器具有连接到第一反相器的输入的漏极,第二非易失性存储器的漏极用作半导体存储器电路的输出。
    • 94. 发明授权
    • Analog electronic watch
    • 模拟电子手表
    • US08885444B2
    • 2014-11-11
    • US13785412
    • 2013-03-05
    • Seiko Instruments Inc.
    • Makoto MitaniKotaro Watanabe
    • G04C3/00G04G3/00
    • G04G3/00G04G19/04
    • The analog electronic watch includes: a crystal oscillator; an oscillator circuit; a frequency divider circuit; an output control circuit; a constant voltage circuit; and a cell. The constant voltage circuit and the output control circuit are powered from the cell. The oscillator circuit and the frequency divider circuit are powered from the constant voltage circuit. The constant voltage circuit is capable of outputting a first constant voltage and a second constant voltage in a switchable manner. The second constant voltage is a voltage which is equal to or lower than a cell voltage. The first constant voltage is a voltage which is smaller than the second constant voltage. The constant voltage is switched to the second constant voltage in a period of outputting the motor drive pulse.
    • 模拟电子手表包括:晶振; 振荡电路; 分频器电路; 输出控制电路; 恒压电路; 和一个单元格。 恒压电路和输出控制电路由电池供电。 振荡电路和分频电路由恒压电路供电。 恒压电路能够以可切换的方式输出第一恒定电压和第二恒定电压。 第二恒定电压是等于或低于电池电压的电压。 第一恒定电压是小于第二恒定电压的电压。 在输出电动机驱动脉冲的期间,将恒定电压切换到第二恒定电压。
    • 96. 发明授权
    • Voltage regulator
    • 电压调节器
    • US08872490B2
    • 2014-10-28
    • US13784104
    • 2013-03-04
    • Seiko Instruments Inc.
    • Kiyoshi YoshikawaOsamu Uehara
    • G05F1/46G05F1/569
    • G06F1/189G05F1/573Y10S323/901Y10S323/908
    • Provided is a voltage regulator which includes an inrush current prevention circuit so that no current is consumed after the start-up of the voltage regulator. A start-up circuit of the voltage regulator includes: a constant current circuit; a first transistor connected between the constant current circuit and a constant voltage generation circuit; a second transistor including a drain connected to a gate of the first transistor, and a gate to which a voltage based on an output voltage is input; a first depletion transistor including a gate connected to the drain of the second transistor, and a source connected to a source of the second transistor; and a third transistor including a gate connected to the gate of the second transistor, and a drain connected to the drain of the second transistor.
    • 提供了一种电压调节器,其包括浪涌电流防止电路,使得在电压调节器启动之后不消耗电流。 电压调节器的启动电路包括:恒流电路; 连接在恒流电路和恒压发生电路之间的第一晶体管; 第二晶体管,包括连接到第一晶体管的栅极的漏极和输入基于输出电压的电压的栅极; 第一耗尽晶体管,包括连接到第二晶体管的漏极的栅极和连接到第二晶体管的源极的源极; 以及第三晶体管,其包括连接到所述第二晶体管的栅极的栅极,以及连接到所述第二晶体管的漏极的漏极。
    • 98. 发明授权
    • Near-field light head and information recording/reproducing device
    • 近场光头和信息记录/再现装置
    • US08842504B2
    • 2014-09-23
    • US12668076
    • 2008-07-10
    • Masakazu HirataManabu OumiMajung Park
    • Masakazu HirataManabu OumiMajung Park
    • G11B5/02G11B5/60G11B5/48G11B5/31G11B5/00
    • G11B5/314G11B5/02G11B5/4866G11B5/6088G11B2005/001G11B2005/0021
    • A near-field light head of the present invention includes: a slider disposed opposite to a surface of the magnetic recording medium; a recording element that includes a main magnetic pole generating the recording magnetic field and a subsidiary magnetic pole, the recording element being fixed to an apical surface of the slider so that the main magnetic pole and the subsidiary magnetic pole line up in a longitudinal direction of the slider in the state where the subsidiary magnetic pole is located at the apical surface of the slider; a near-field light generating element, fixed adjacently to the main magnetic pole in a state where another end side thereof is directed to the magnetic recording medium, that propagates the light flux introduced from one end side thereof toward the other end side to generate the near-field light, and radiates the near-field light from the other end side to the outside; and a light flux introducing device, fixed to the slider, that introduces the light flux from the one end side into the near-field light generating element. The near-field light generating element includes an inclined surface, which is inclined with respect to an optical axis of the light flux propagated through the inside thereof and is opposite to the main magnetic pole, in the other end side. A metallic film that increases light intensity of the near-field light to be increased is formed in the inclined surface.
    • 本发明的近场光头包括:与磁记录介质的表面相对设置的滑块; 记录元件,其包括产生记录磁场的主磁极和辅助磁极,所述记录元件固定到所述滑块的顶面,使得所述主磁极和所述辅助磁极线在纵向方向上向上 所述滑块在所述辅助磁极位于所述滑块的顶面的状态下; 近场光产生元件,其在另一端侧被引导到磁记录介质的状态下相对于主磁极固定,将从其一端侧引入的光束向另一端侧传播,以产生 近场光,并将来自另一端侧的近场光辐射到外部; 以及固定到滑块的光束引入装置,其将来自一端侧的光通量引入近场光产生元件。 近场光产生元件包括在另一端侧相对于在其内部传播并与主磁极相对的光束的光轴倾斜的倾斜表面。 在倾斜表面中形成增加增加的近场光的光强度的金属膜。
    • 100. 发明申请
    • LIGHT RECEIVING CIRCUIT
    • 光接收电路
    • US20140266368A1
    • 2014-09-18
    • US14213389
    • 2014-03-14
    • Seiko Instruments Inc.
    • Fumiyasu UTSUNOMIYA
    • H03K5/153
    • H03K5/153H04B10/1141
    • The light receiving circuit includes: a photoelectric conversion element for causing a current corresponding to an amount of incident light to flow; a MOS transistor including a source connected to the photoelectric conversion element and a drain connected to a node, for causing the current of the photoelectric conversion element to flow to the node while maintaining a voltage of the source to a first voltage; a reset circuit for causing a current to flow from the node to a GND terminal so that a voltage of the node becomes a second voltage lower than the first voltage; a control circuit for outputting a reset signal to the reset circuit; and a voltage increase detection circuit for detecting a fluctuation in the voltage of the node and outputting a detection result.
    • 光接收电路包括:用于使与入射光量对应的电流流动的光电转换元件; MOS晶体管,其包括连接到所述光电转换元件的源极和连接到节点的漏极,用于使所述光电转换元件的电流流到所述节点,同时将所述源极的电压保持为第一电压; 用于使电流从节点流向GND端子的复位电路,使得节点的电压变为低于第一电压的第二电压; 用于向复位电路输出复位信号的控制电路; 以及电压增加检测电路,用于检测节点的电压的波动并输出检测结果。