-
公开(公告)号：US08310184B2
公开(公告)日：2012-11-13
申请号：US13190507
申请日：2011-07-26
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
Abstract: The PWM control circuit includes a polarity determination unit, a full wave rectification unit, an adjustment unit that generates an adjusted waveform signal by adjusting waveform of the full wave rectification signal, and a carrier signal generating unit that generates a fixed frequency carrier signal. The PWM control circuit further includes a comparator that generates an original PWM signal by comparing the adjusted waveform signal and the carrier signal, and a PWM waveform shaping unit that generates a first PWM signal for the positive polarity section and a second PWM signal for the negative polarity section, by shaping the original PWM signal according to the polarity signal.
Abstract translation: PWM控制电路包括极性判定单元，全波整流单元，通过调整全波整流信号的波形来生成调整波形信号的调整单元和产生固定频率载波信号的载波信号生成单元。 PWM控制电路还包括通过比较调整后的波形信号和载波信号而产生原始PWM信号的比较器，以及产生用于正极性部分的第一PWM信号和负极性的第二PWM信号的PWM波形整形单元 极性部分，通过根据极性信号整形原始PWM信号。
-
公开(公告)号：US08143964B2
公开(公告)日：2012-03-27
申请号：US12777497
申请日：2010-05-11
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
Abstract: The PWM control circuit is provided. The PWM control circuit includes: a PWM control signal generator that generates a PWM period signal defining a period of a PWM signal and a PWM resolution signal specifying a resolution in one period of the PWM period signal; and a PWM unit that generates the PWM signal based on the PWM period signal and the PWM resolution signal, wherein the PWM control signal generator changes a frequency of the PWM resolution signal while keeping a frequency of the PWM period signal unchanged.
Abstract translation: 提供PWM控制电路。 PWM控制电路包括：PWM控制信号发生器，其在PWM周期信号的一个周期中产生定义PWM信号周期的PWM周期信号和指定分辨率的PWM分辨率信号; 以及PWM单元，其基于PWM周期信号和PWM分辨率信号生成PWM信号，其中PWM控制信号发生器在保持PWM周期信号的频率不变的同时改变PWM分辨率信号的频率。
-
公开(公告)号：US08111231B2
公开(公告)日：2012-02-07
申请号：US12292680
申请日：2008-11-24
Applicant: Takahiro Sagawa , Kesatoshi Takeuchi
Inventor： Takahiro Sagawa , Kesatoshi Takeuchi
IPC: G09G3/36
CPC classification number: H04N3/127 , G09G3/3648 , G09G3/3674 , G09G3/3688 , G09G2310/061 , G09G2310/08 , G09G2320/0261 , G09G2320/106
Abstract: A display method for a liquid crystal panel is provided. The method includes a step of scanning pixels, arranged in a matrix, in an horizontal direction and in a vertical direction, to write video signals, thereby performing display; and a step of delaying the vertical-direction scanning for writing the video signals by a predetermined amount of time and writing a first predetermined fixed-level signal to all pixels in a row specified by the vertical-direction scanning delayed by the predetermined amount of time, in a predetermined time in the horizontal blanking period, thereby performing display.
Abstract translation: 提供一种用于液晶面板的显示方法。 该方法包括以水平方向和垂直方向排列成矩阵的像素扫描步骤，以写入视频信号，从而进行显示; 以及延迟用于将视频信号写入预定时间量的垂直方向扫描的步骤，并将第一预定固定电平信号写入延迟了预定时间量的由垂直方向扫描指定的行中的所有像素 在水平消隐期间的预定时间内进行显示。
-
公开(公告)号：US08044623B2
公开(公告)日：2011-10-25
申请号：US12164376
申请日：2008-06-30
Applicant: Kesatoshi Takeuchi , Isamu Sejimo , Takafumi Suzuki
Inventor： Kesatoshi Takeuchi , Isamu Sejimo , Takafumi Suzuki
Abstract: The drive control circuit for an electric motor is provided. The drive control circuit includes: an original drive signal generator that generates an original drive signal; an excitation interval setter that is able, for each half cycle of respective length π in each 2π excitation cycle of the original drive signal, to arbitrarily set excitation intervals during which to excite coils of the electric motor to any one of a plurality of intervals which include at least either one of a symmetrical interval centered on a center of each half-cycle and an unsymmetrical interval; and a drive signal shaping circuit that generates a drive signal for driving the electric motor, by validating the original drive signal during the excitation intervals and invalidating the original drive signal during non-excitation intervals other than the excitation interval.
Abstract translation: 提供了一种用于电动机的驱动控制电路。 驱动控制电路包括：原始驱动信号发生器，其产生原始驱动信号; 激励间隔设定器，对于相应长度＆pgr的每个半周期， 在每个2＆pgr 激励原始驱动信号的激励周期，任意地设定将电动机的线圈励磁到多个间隔中的任一个的激励间隔，包括以每个半周期的中心为中心的对称间隔中的至少一个， 不对称间隔; 以及驱动信号整形电路，其通过在激励间隔期间验证原始驱动信号并且在除了激励间隔之外的非激励间隔期间使原始驱动信号无效，产生用于驱动电动机的驱动信号。
-
公开(公告)号：US08018184B2
公开(公告)日：2011-09-13
申请号：US12257817
申请日：2008-10-24
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
Abstract: The PWM control circuit includes a polarity determination unit, a full wave rectification unit, an adjustment unit that generates an adjusted waveform signal by adjusting waveform of the full wave rectification signal, and a carrier signal generating unit that generates a fixed frequency carrier signal. The PWM control circuit further includes a comparator that generates an original PWM signal by comparing the adjusted waveform signal and the carrier signal, and a PWM waveform shaping unit that generates a first PWM signal for the positive polarity section and a second PWM signal for the negative polarity section, by shaping the original PWM signal according to the polarity signal.
Abstract translation: PWM控制电路包括极性判定单元，全波整流单元，通过调整全波整流信号的波形来生成调整波形信号的调整单元和产生固定频率载波信号的载波信号生成单元。 PWM控制电路还包括通过比较调整后的波形信号和载波信号而产生原始PWM信号的比较器，以及产生用于正极性部分的第一PWM信号和负极性的第二PWM信号的PWM波形整形单元 极性部分，通过根据极性信号整形原始PWM信号。
-
Patent Agency Ranking
公开(公告)号：US07994687B2
公开(公告)日：2011-08-09
申请号：US12133609
申请日：2008-06-05
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
IPC: H01L41/08
CPC classification number: H02N2/147 , H02N2/004 , H02N2/026 , H02N2/062 , H02N2/067 , H02N2/103 , H02N2/142
Abstract: The piezoelectric actuator includes a piezoelectric element structure (100) which has at least one piezoelectric element (120), and a working edge (130) for directing driving force on a driven body (MB), wherein the working edge (130) oscillates in response to deformation of the piezoelectric element (120). The piezoelectric actuator further includes a driver circuit (300) for applying voltage to the piezoelectric element (120); and a drive control circuit (200) for inducing oscillation of the working edge (130) by supplying a drive signal (DV, #DV) of rectangular waveform to the driver circuit (300). The drive control circuit (200) is capable of reversing the drive direction of the driven body (MB) by changing the duty ratio of the drive signal (DV, #DV).
Abstract translation: 压电致动器包括具有至少一个压电元件（120）的压电元件结构（100）和用于将驱动力引导到从动体（MB）上的工作边缘（130），其中工作边缘（130）在 响应于压电元件（120）的变形。 压电致动器还包括用于向压电元件（120）施加电压的驱动电路（300）。 以及驱动控制电路（200），用于通过向驱动器电路（300）提供矩形波形的驱动信号（DV，#DV）来引起工作边缘（130）的振荡。 通过改变驱动信号（DV，#DV）的占空比，驱动控制电路（200）能够使驱动体（MB）的驱动方向反转。
-
公开(公告)号：US07965044B2
公开(公告)日：2011-06-21
申请号：US12855091
申请日：2010-08-12
Applicant: Yutaka Takada , Shigekazu Takagi , Satoshi Fujii , Kesatoshi Takeuchi
Inventor： Yutaka Takada , Shigekazu Takagi , Satoshi Fujii , Kesatoshi Takeuchi
CPC classification number: H01J65/044 , G03B21/2006 , G03B21/2026 , H05B41/2806 , Y02B20/22
Abstract: An optical source device includes a solid high frequency oscillating unit that outputs a high frequency signal, a waveguide that receives the high frequency signal output from the solid high frequency oscillating unit and radiates the received high frequency signal as a microwave, and a light emitting unit that emits light by the microwave radiated from the waveguide unit. A container of the waveguide unit has a space surrounded by reflective surfaces that reflect the microwave radiated from the antenna unit so as to collect the microwave. A projector includes this optical source device, an optical modulating unit that modulates a light beam emitted from the light emitting unit of the optical source device according to image information to form an optical image, and a projecting unit that projects the optical image formed by the optical modulating unit.
Abstract translation: 光源装置包括输出高频信号的固体高频振荡单元，接收从固体高频振荡单元输出的高频信号并辐射接收到的高频信号作为微波的波导，以及发光单元 通过从波导单元辐射的微波发射光。 波导单元的容器具有由反射从天线单元辐射的微波的反射面包围的空间，以收集微波。 投影仪包括该光源装置，光调制单元，其根据图像信息调制从光源装置的发光单元发射的光束，以形成光学图像;以及投影单元，其将由 光调制单元。
-
公开(公告)号：US07948141B2
公开(公告)日：2011-05-24
申请号：US12270930
申请日：2008-11-14
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
IPC: H02K1/00
CPC classification number: H02K21/026
Abstract: The electric motor device is provided. The electric motor device includes: a first drive member that has a plurality of permanent magnets; a second drive member that has a plurality of electromagnetic coils; and a clearance controller that shifts at least either one of the first drive member and the second drive member, thereby changing a size of a clearance formed between the first drive member and the second drive member.
Abstract translation: 提供电动机装置。 电动机装置包括：具有多个永磁体的第一驱动部件; 具有多个电磁线圈的第二驱动部件; 以及间隙控制器，其移动所述第一驱动构件和所述第二驱动构件中的至少一个，从而改变形成在所述第一驱动构件和所述第二驱动构件之间的间隙的尺寸。
-
公开(公告)号：US07898211B2
公开(公告)日：2011-03-01
申请号：US12203545
申请日：2008-09-03
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
IPC: H02P7/29
CPC classification number: H02P6/16
Abstract: The circuit structured to drive a motor is provided. The circuit includes: a division signal generator that generates a division signal dividing each of a high level period and a low level period of a binary position signal representing a relative position of a magnetic coil to a permanent magnet into a preset number of multiple divisions; a pulse width setter that sets a pulse width for PWM control corresponding to each of the multiple divisions represented by the division signal; and a PWM signal generator that performs PWM control with the set pulse width, thereby generating a PWM signal as a driving signal for driving the motor.
Abstract translation: 提供了构造成驱动电动机的电路。 该电路包括：除法信号发生器，其将表示磁性线圈相对于永久磁铁的相对位置的二进制位置信号的高电平周期和低电平周期分割成预定数量的多个分割; 脉冲宽度设定器，其设定与由所述除法信号表示的所述多个分割中的每一个对应的PWM控制的脉冲宽度; PWM信号发生器，其以设定的脉冲宽度进行PWM控制，从而生成作为驱动马达的驱动信号的PWM信号。
-
公开(公告)号：US07830104B2
公开(公告)日：2010-11-09
申请号：US11900048
申请日：2007-09-07
Applicant: Kesatoshi Takeuchi
Inventor： Kesatoshi Takeuchi
IPC: H02P6/00
CPC classification number: H02P6/20 , H02P29/032 , H02P29/64 , H02P29/68
Abstract: The brushless motor includes a coil array, a magnet array, a magnetic sensor, a drive control circuit for driving the coil array, and a temperature sensor for detecting a detection target temperature associated with either the coil temperature or the driving element temperature. The drive control circuit reduces the effective value of driving voltage supplied to the coil array when coil temperature detected by the temperature sensor has exceeded a prescribed threshold value.
Abstract translation: 无刷电动机包括线圈阵列，磁体阵列，磁传感器，用于驱动线圈阵列的驱动控制电路和用于检测与线圈温度或驱动元件温度相关联的检测目标温度的温度传感器。 当由温度传感器检测到的线圈温度超过规定的阈值时，驱动控制电路降低提供给线圈阵列的驱动电压的有效值。
-
-
-
-
-
-
-
-
-
Search Results
210
records
(took 0.052 seconds)
