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    • 41. 发明授权
    • Power converter
    • 电源转换器
    • US5946208A
    • 1999-08-31
    • US154469
    • 1998-09-16
    • Yasuhiro YamamotoYoshihiro Murai
    • Yasuhiro YamamotoYoshihiro Murai
    • H02M1/34H02M7/538H03K17/0814H02M7/537
    • H02M1/34A61B6/488H02M7/538H03K17/08148H02M2001/346Y02B70/1491
    • A PWM power converter includes a first switching branch of a first switching device and a first inductor between a positive source terminal and a load terminal and a second switching branch of a second inductor and a second switching device between the load terminal and a negative source terminal. To reduce noise and loss, the power converter is further provided with a series combination of third and fourth capacitors connected between the positive and negative source terminals, a series combination of first diode and first capacitor connected between a first junction point between the third and fourth capacitors and a second junction point between the first switching device and the first inductor, a series combination of second capacitor and second diode connected between a third junction point between the second inductor and the second switching device and a fourth junction point between the third and fourth capacitors, a series combination of third diode and third inductor connected between a fifth junction point between the first diode and the first capacitor and the positive source terminal, and a series combination of fourth inductor and fourth diode connected between the negative source terminal and a sixth junction point between the second capacitor and the second diode.
    • PWM功率转换器包括第一开关器件的第一开关分支和正源极端子和负载端子之间的第一电感器和第二电感器的第二开关支路以及负载端子与负极端子之间的第二开关器件 。 为了降低噪声和损耗,功率转换器还具有连接在正极和负极端子之间的第三和第四电容器的串联组合,第一和第二电容器的串联组合连接在第三和第四电极之间的第一连接点 电容器和第一开关器件与第一电感器之间的第二连接点,连接在第二电感器和第二开关器件之间的第三连接点之间的第二电容器和第二二极管的串联组合,以及第三和第四器件之间的第四连接点 电容器,连接在第一二极管和第一电容器与正源极端子之间的第五连接点之间的第三二极管和第三电感器的串联组合,以及连接在负极端子和第六电容器之间的第四电感器和第四二极管的串联组合 第二电容器和第二二极管之间的连接点。
    • 43. 发明授权
    • Image reading device with control of RGB pixel data reading order
according to effect by oscillation of moving mechanism
    • 图像读取装置根据移动机构的振荡的影响控制RGB像素数据读取顺序
    • US5936748A
    • 1999-08-10
    • US922320
    • 1997-09-03
    • Yasuhiro Yamamoto
    • Yasuhiro Yamamoto
    • H04N9/11H04N1/04H04N1/46H04N1/48H04N1/60
    • H04N1/484H04N9/11
    • The image reading device has a moving mechanism by which a stage, supporting a read object in which a color image is recorded, is intermittently moved so that the color image is read by a line sensor. In a stopping operation during the intermittent movement, the stage passes slightly over the stop position, and then reverses. Thus, the stage oscillates about the stop position. Substantially simultaneously with the stopping operation, i.e., while the stage is still oscillating, a blue light-emitting diode is turned ON, so that B pixel data is sensed by the line sensor. During this sensing operation of the B pixel data, the oscillation of the stage is fully damped. Then, the B light-emitting diode is turned OFF, and a red light-emitting diode is turned ON, so that R pixel data is sensed. Then, the R light-emitting diode is turned OFF, and a green light-emitting diode is turned ON, so that G pixel data is sensed.
    • 图像读取装置具有移动机构,通过该移动机构,支持其中记录有彩色图像的读取对象的台被间歇地移动,使得彩色图像被线传感器读取。 在间歇运动期间的停止操作中,台阶稍微超过停止位置,然后反转。 因此,台阶围绕停止位置振荡。 基本上与停止操作同时进行,即,当台仍在振荡时,蓝色发光二极管接通,使得B像素数据被线传感器感测。 在B像素数据的这种感测操作期间,舞台的振荡被完全衰减。 然后,B发光二极管截止,红色发光二极管导通,从而感测R像素数据。 然后,将R发光二极管断开,绿色发光二极管导通,从而感测G像素数据。
    • 44. 发明授权
    • Device for controlling operation of electro-developing type camera
    • 用于控制电动显影型摄像机操作的装置
    • US5864726A
    • 1999-01-26
    • US749021
    • 1996-11-14
    • Yasuhiro Yamamoto
    • Yasuhiro Yamamoto
    • G03B7/26G03B19/00G03B19/02
    • G03B19/00
    • An operation control device is provided in an electro-developing type camera using a recording medium which electronically develops an image formed by a photographing optical system. An electric charge in a battery is sensed. When the electric charge remaining in the battery is lower than a second threshold value, which is lower than a first threshold value, the recording operation is prohibited. When the electric charge remaining in the battery is lower than the first threshold value and higher than the second threshold value, the recording operation is permitted and the reading operation is prohibited. Accordingly, during the reading operation, the electric charge remaining in the battery cannot become lower than the first threshold value, and thus the reading operation can be carried out.
    • 在使用电子显影由拍摄光学系统形成的图像的记录介质的电动显影型照相机中设置操作控制装置。 感测到电池中的电荷。 当电池中剩余的电荷低于低于第一阈值的第二阈值时,禁止记录操作。 当电池中剩余的电荷低于第一阈值并高于第二阈值时,允许记录操作并禁止读取操作。 因此,在读取操作期间,电池中剩余的电荷不能变得低于第一阈值,因此可以执行读取操作。
    • 46. 发明授权
    • Image signal recording device with divided signal frame
    • 具有分频信号帧的图像信号记录装置
    • US5727116A
    • 1998-03-10
    • US072436
    • 1993-06-07
    • Koichi SatoYasuhiro Yamamoto
    • Koichi SatoYasuhiro Yamamoto
    • H04N9/79H04N5/91
    • H04N9/7904
    • An image signal recording device in which one frame is divided into an upper half frame and a lower half frame by a straight line parallel to horizontal scanning lines forming the frame. In the upper half frame, image signals of a first field are recorded in horizontal scanning lines from 22H through 262H, and image signals of a second field are recorded in horizontal scanning lines from a mid portion of 284H through 525H. In the lower half frame, image signals of the first field are recorded in horizontal scanning lines from 22H through a mid portion of 263H, and image signals of the second field are recorded in horizontal scanning lines from 285H through 525H.
    • 一种图像信号记录装置,其中一帧通过平行于形成该帧的水平扫描线的直线被分成上半帧和下半帧。 在上半帧中,第一场的图像信号从22H到262H的水平扫描线记录,第二场的图像信号从284H到525H的中间部分记录在水平扫描行中。 在下半帧中,第一场的图像信号从22H到263H的中间部分的水平扫描线记录,第二场的图像信号从285H到525H的水平扫描线记录。
    • 47. 发明授权
    • Apparatus for measuring circuit constant of induction motor with vector
control system and method therefor
    • 用矢量控制系统测量感应电动机电路常数的装置及其方法
    • US5594670A
    • 1997-01-14
    • US286245
    • 1994-08-08
    • Yasuhiro Yamamoto
    • Yasuhiro Yamamoto
    • G01R31/34G01R11/48
    • G01R31/343
    • An apparatus and method for measuring at least one desired motor constant applicable to an equivalent circuit of the induction motor according to the present invention utilizes a vector controlled speed variable apparatus for the induction motor. After the input and output parameters of the induction motor are measured, the apparatus calculates and measures the desired motor constant using a corresponding equation. For example, the secondary circuit time constant is calculated using the following equation. That is to say,.tau..sub.2 .apprxeq..tau..sub.2q * and V.sub.1q *(t)=(V.sub.1q *).sub.+0.exp(-(1/.tau.2q*).t)wherein (V .sub.1q *).sub.+ denotes a control q-axis primary voltage component immediately after torqu and excitation current instructions have been changed to zero and output from a current control system (ACR), V.sub.1q *(t) denotes a time function of V.sub.1q * at each sampling period after the current instructions have been changed in the stepwise manner to zero.
    • 用于测量根据本发明的感应电动机的等效电路的至少一个期望的电动机常数的装置和方法利用用于感应电动机的矢量控制的变速装置。 在测量感应电动机的输入和输出参数之后,设备使用相应的公式计算和测量所需的电动机常数。 例如,使用以下等式计算二次电路时间常数。 也就是说,τ2 APPROX tau 2q *和V1q *(t)=(V1q *)+0exp( - (1 / tau 2q *).t)其中(V 1q *)+表示控制q- 在转矩和励磁电流指令之后立即将轴的初级电压分量改变为零并从电流控制系统(ACR)输出,V1q *(t)表示在当前指令改变后的每个采样周期的V1q *的时间函数 以逐步的方式归零。
    • 49. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US5477360A
    • 1995-12-19
    • US231039
    • 1994-04-22
    • Kazuyuki SunoharaRei HasegawaHiroyuki NagataTakeshi YamamotoYasuhiro YamamotoMasumi Okamoto
    • Kazuyuki SunoharaRei HasegawaHiroyuki NagataTakeshi YamamotoYasuhiro YamamotoMasumi Okamoto
    • G02F1/1337
    • G02F1/133723G02F1/133753Y10T428/1023Y10T428/31721
    • A liquid crystal display device comprising a liquid crystal cell including a pair of substrates each having an alignment film on the surface thereof, and a liquid crystal filled in a space between the substrates, which is provided with a plurality of alignment regions, each region having the direction of alignment or the rise direction of liquid crystal molecule different from another region within a display region. The alignment film comprises a polyimide having a glass transition point of 300.degree. to 400.degree. C., a skeleton having no two-revolution axis, non-conjugated carbon occupying 10 to 60% of the total number of carbon excluding carbon atoms directly connected to imido group, a relative dielectric constant of 4 to 7 at a frequency of 1 kH and at a temperature of 20.degree. C., or an imidization degree of not less than 90%, or a polyimide obtained by reacting tetracarboxylic acid di-anhydride with a di-amine compound, or a polyimide obtained by imidizing a polyimide, the tetracarboxylic acid di-anhydride moiety being prohibited of the free rotation thereof.
    • 一种液晶显示装置,包括一个液晶单元,该液晶单元包括一对在其表面上具有取向膜的基板,以及填充在基板之间的空间中的液晶,该液晶单元设置有多个取向区域,每个区域具有 液晶分子的取向方向或上升方向与显示区域内的其他区域不同。 取向膜包括玻璃化转变温度为300-400℃的聚酰亚胺,不具有双旋转轴的骨架,占非碳原子总数的10〜60%的非共轭碳直接与 酰亚胺基,频率为1kH,温度为20℃,酰亚胺化度为90%以上的相对介电常数为4〜7,或者将四羧酸二酐与 二胺化合物或通过酰亚胺化聚酰亚胺获得的聚酰亚胺,四羧酸二酐部分被禁止其自由旋转。