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    • 111. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20100110053A1
    • 2010-05-06
    • US12594995
    • 2008-04-09
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • G09G3/36G09G5/00G02F1/133
    • G09G3/3648G02F1/13338G02F2001/13312G09G3/3614G09G2310/0251
    • A liquid crystal display device having an image input function capable of suppressing the degradation of image quality of a display image and a captured image caused by a parasitic capacitance is provided. The liquid crystal display device, which includes an active matrix substrate (1), a counter substrate (2), and a liquid crystal layer and performs inversion driving, includes a photodetection part provided on the matrix substrate (1) for each or at least two of the active elements, and a sensor drive part (5). The photodetection part includes a photodiode and a capacitance storing charge, and outputs a photodetective signal VSOUT whose level changes in accordance with the amount of the stored charge. The sensor drive part (5) outputs, to the photodetection part, a reset signal that resets the charge in the capacitance and a reading signal that causes the photodetection part to output a photodetective signal during a period in which the polarity is set to be a predetermined one, and a current supplied to the active elements does not vary after the completion of the inversion of the polarity.
    • 提供具有能够抑制显示图像的图像质量劣化的图像输入功能和由寄生电容引起的拍摄图像的液晶显示装置。 包括有源矩阵基板(1),对置基板(2)和液晶层并进行反转驱动的液晶显示装置包括:每个或至少设置在矩阵基板(1)上的光检测部 两个有源元件,以及传感器驱动部件(5)。 光检测部分包括光电二极管和电容存储电荷,并输出其电平根据所存储的电荷量而变化的光电检测信号VSOUT。 传感器驱动部分(5)向光检测部分输出复位电容的复位信号,以及在极性被设定为 提供给有源元件的电流在极性反转完成后不变化。
    • 112. 发明申请
    • AMPLIFIER CIRCUIT AND DISPLAY DEVICE INCLUDING SAME
    • 放大器电路和显示装置,包括它们
    • US20090295780A1
    • 2009-12-03
    • US12310028
    • 2007-03-27
    • Shinsaku ShimizuKazuhiro Maeda
    • Shinsaku ShimizuKazuhiro Maeda
    • H03G3/00G06F3/038
    • G09G3/3685G09G2310/027G09G2310/0297
    • In one embodiment of the present application, during an initial setting period, switches are rendered conductive, so that voltage on a signal line becomes equal to a source voltage, and input voltages of inverters become equal to a logic threshold voltage. During a writing period, other switches are rendered conductive, and the inverters serve as amplifiers. The last-stage inverter is made up of a P-type Tr14, and an N-type Tr15 having a lower current drive capability than the P-type Tr14. At the beginning of the writing period, the voltage on the signal line varies due to current flowing through the P-type Tr14, and therefore the rate of change of the voltage on the signal line does not change by reducing the current drive capability of the N-type Tr15. On the other hand, by reducing the current drive capability of the N-type Tr15, the output resistance of the inverter increases, so that an amplifier circuit has frequency characteristics with an increased phase margin, resulting in reduced power consumption of the amplifier circuit.
    • 在本申请的一个实施例中,在初始设定期间,使开关导通,使得信号线上的电压变得等于源电压,并且反相器的输入电压变为等于逻辑阈值电压。 在写入期间,其他开关变为导通状态,变换器用作放大器。 最后一级逆变器由P型Tr14和具有比P型Tr14低的电流驱动能力的N型Tr15组成。 在写入周期开始时,信号线上的电压由于电流流经P型Tr14而变化,因此信号线上的电压变化率不会因为降低电流的驱动能力而改变 N型Tr15。 另一方面,通过降低N型Tr15的电流驱动能力,逆变器的输出电阻增加,使得放大器电路具有增加的相位裕度的频率特性,导致放大器电路的功耗降低。
    • 117. 发明授权
    • Bi-directional shift register and display device using same
    • 双向移位寄存器和使用其的显示装置
    • US07151523B2
    • 2006-12-19
    • US10409056
    • 2003-04-09
    • Hiroyuki OhkawaYasuyuki OgawaTamotsu SakaiKazuhiro Maeda
    • Hiroyuki OhkawaYasuyuki OgawaTamotsu SakaiKazuhiro Maeda
    • G09G3/36
    • G11C19/00G09G3/3688G09G2310/0283
    • A driving circuit of the present invention includes a signal line switching circuit section that connects each signal line with two adjacent ones of output stages of a shift register circuit, one of the two adjacent ones of output stages following the other, switches over so that the signal lines are, in the switching-over manner and in concert, driven either by the following output stages or by the followed output stages. Thus, it is possible to provide a driving circuit that can be freely placed in any manner, is suitable for many purposes, and is capable of switching shifting directions without needing inversion of a clock signal and without causing shift of pixels, and switching the shifting directions with a simple arrangement even if there are an even number of signal lines for driving effective pixel columns.
    • 本发明的驱动电路包括信号线切换电路部分,其将每个信号线与移位寄存器电路的两个输出级的两个相邻的输出级相连接,其中两个相邻的输出级中的一个依次切换,使得 信号线以切换方式和一致的方式由以下输出级或随后的输出级驱动。 因此,可以提供可以以任何方式自由放置的驱动电路,适用于许多目的,并且能够切换移位方向,而不需要时钟信号的反转而不引起像素的移位,并且切换移位 即使存在偶数个用于驱动有效像素列的信号线的方向也是简单的布置。
    • 118. 发明申请
    • Personal digital assistant and stereo reproduction method
    • 个人数字助理和立体声复制方法
    • US20060161278A1
    • 2006-07-20
    • US11302808
    • 2005-12-14
    • Kazuhiro MaedaTamotsu Ito
    • Kazuhiro MaedaTamotsu Ito
    • G06F17/00
    • H04M1/0227H04M1/03H04M1/72558
    • An operation section housing and a display section housing are connected by a rotatable hinge having a structure in which the display section housing rotates with the rotatable hinge serving as the central rotational axis. The display section housing has three built-in speakers in predetermined positions of a display. A personal digital assistant detects the angle of the rotatable hinge and identifies the speaker located in the leftmost side and the speaker located in the rightmost side relative to an upright display image displayed on the display. Then, the left audio is output from the left side of the upright display image and the right audio is output from the right side of the upright display image.
    • 操作部分壳体和显示部分壳体通过可旋转的铰链连接,该旋转铰链具有显示部分壳体以可旋转的铰链作为中心旋转轴线旋转的结构。 显示部分壳体在显示器的预定位置具有三个内置扬声器。 个人数字助理检测可旋转铰链的角度,并且相对于显示在显示器上的直立显示图像来识别位于最左侧的扬声器和位于最右侧的扬声器。 然后,从直立显示图像的左侧输出左音频,并且从直立显示图像的右侧输出右音频。
    • 120. 发明授权
    • Starter device for a four wheeled all terrain vehicle and straddle-type four wheeled all terrain vehicle comprising the same
    • 用于四轮全地形车辆和跨骑式四轮全地形车辆的起动装置
    • US06703717B2
    • 2004-03-09
    • US10099078
    • 2002-03-13
    • Yuichi KawamotoKazuhiro Maeda
    • Yuichi KawamotoKazuhiro Maeda
    • F02N1100
    • F02N11/101F02N11/087F02N11/103
    • Disclosed are a highly-reliable starter device of a four-wheeled all terrain vehicle (ATV), reliably functioning corresponding switches even when a brake or neutral lamp is burned. This device is suitable to the straddle-type ATV provided with a transmission lever at a position different from the steering handle and provided with the starter switch in the vicinity of the handle grip. A drive circuit for connecting a starter motor for driving the engine to a power supply. In addition, two relays are connected in parallel to the starter circuit connecting a start relay to the power supply through the starter switch, and a brake switch and a neutral switch are connected in parallel with each other between the starter circuit and the ground. When each of the switches is closed, the corresponding relay is operated to close the starter circuit.
    • 公开了四轮全地形车辆(ATV)的高度可靠的启动装置,即使在制动器或中性灯被燃烧时也可靠地运行相应的开关。 该装置适用于在与转向手柄不同的位置处设置有传动杆的跨骑式ATV,并且在手柄附近设置有起动开关。 一种用于将用于驱动发动机的起动电动机连接到电源的驱动电路。 另外,两个继电器与起动电路并联连接,起动电路通过起动开关将启动继电器连接到电源,并且制动开关和中性开关在启动器电路和地之间并联连接。 当每个开关闭合时,相应的继电器被操作以关闭起动器电路。