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1. 发明授权

US5448140A Image display apparatus with a deflection circuit having function for correcting rotational distortion 失效
标题翻译：具有偏转电路的图像显示装置具有用于校正旋转失真的功能
公开(公告)号：US5448140A
公开(公告)日：1995-09-05
申请号：US870897
申请日：1992-04-20
申请人： Tomohiko Douken , Kikuo Tomita
发明人： Tomohiko Douken , Kikuo Tomita
IPC分类号： H04N3/22 , H04N3/233 , G09G1/04 , H01J29/72
CPC分类号： H04N3/22 , H04N3/2335
摘要： A first modulating wave current synchronized with a vertical sync signal and, having the same period as the vertical sync signal, is superposed on a horizontal deflection current caused to flow through a horizontal deflection coil of a CRT, and a second modulating wave current synchronized with a horizontal sync signal and, having the same period as the horizontal sync signal, is superposed on a vertical deflection current caused to flow through a vertical deflection coil of the CRT. The polarity and the amplitude of each of the first and second modulating wave currents are controlled by an adjustment circuit to correct a rotational distortion of a display area with respect to the displayed position of this area.
摘要翻译：与垂直同步信号同步并且具有与垂直同步信号相同的周期的第一调制波电流叠加在水平偏转电流上，使其流过CRT的水平偏转线圈，并与第二调制波电流同步具有与水平同步信号相同的周期的水平同步信号叠加在导致CRT流过垂直偏转线圈的垂直偏转电流上。通过调整电路来控制第一和第二调制波电流中的每一个的极性和振幅，以相对于该区域的显示位置校正显示区域的旋转失真。

2. 发明授权

US5329211A CRT display unit 失效
标题翻译： CRT显示单元
公开(公告)号：US5329211A
公开(公告)日：1994-07-12
申请号：US18382
申请日：1993-02-17
申请人： Kazuyoshi Sasaki , Kikuo Tomita
发明人： Kazuyoshi Sasaki , Kikuo Tomita
IPC分类号： G09G1/04 , G09G1/16 , G09G5/12 , G09G5/18 , H04N3/22 , H01J29/56
CPC分类号： H04N3/22
摘要： A comparator detects a set-up voltage superimposed on a video signal. The detected set-up voltage is input to a timing information detection circuit to detect the display start timings and display end timings of a video signal or a single line and a single picture, respectively. Then, the detected timing information is input to an arithmetic operation means to determine the display period of the video signal for the single line and single picture and further determine the ratios thereof with respect to predetermined reference values. Further, the amounts of dislocation of the timing relationship between the display periods for the single line and single screen and a horizontal synchronizing signal and vertical synchronizing signal from predetermined reference relative relationships are determined, respectively. A picture display area adjustment means corrects the amplitudes of a horizontal deflection current and vertical deflection current corresponding to each other in accordance with the ratios determined by the arithmetic operation means, respectively and the level or phase of the horizontal deflection current and the level of the vertical deflection current corresponding to each other in accordance with the dislocations of the relative timing relationships of the determined display periods, respectively. As a result, even if an input video signal has a different timing specification, the size and position of a picture display area can be automatically adjusted to predetermined references.
摘要翻译：比较器检测叠加在视频信号上的建立电压。检测到的设置电压被输入到定时信息检测电路，以分别检测视频信号或单行和单个画面的显示开始定时和显示结束定时。然后，将检测到的定时信息输入到算术运算装置，以确定用于单行和单张图像的视频信号的显示周期，并进一步确定其相对于预定参考值的比率。此外，分别确定单线和单屏幕的显示周期之间的定时关系的位移量和来自预定参考相对关系的水平同步信号和垂直同步信号的位移量。图像显示区域调整装置根据由算术运算装置确定的比例和水平偏转电流的电平或相位以及相应的水平偏移电流的电平或相位来校正彼此对应的水平偏转电流和垂直偏转电流的幅度根据所确定的显示周期的相对定时关系的位错，垂直偏转电流彼此对应。结果，即使输入视频信号具有不同的定时指定，也可以将图像显示区域的大小和位置自动调整为预定的参考。

3. 发明授权

US5793494A CRT display device 失效
标题翻译： CRT显示设备
公开(公告)号：US5793494A
公开(公告)日：1998-08-11
申请号：US8291
申请日：1993-01-25
申请人： Tomohiko Douken , Isao Kizuya , Kikuo Tomita
发明人： Tomohiko Douken , Isao Kizuya , Kikuo Tomita
IPC分类号： H01J29/89 , H01J29/00 , H04N9/07
CPC分类号： H01J29/003 , H01J2229/0023
摘要： A CRT display device having a housing which includes a ground terminal and an opening, and a CRT (cathode-ray tube) which includes a shadow mask, a tube face of the CRT being irradiated with an electron beam through the shadow mask, thereby displaying a picture in a whole region of the opening; comprising an electrically conductive shield which confronts a part of the CRT display device which extends from a peripheral edge of the shadow mask to a peripheral edge of the tube face. The shield is connected to the ground terminal. The shield makes it possible to readily fabricate a CRT display device which can prevent alternating electric fields and electromagnetic waves from leaking out of the tube face without degrading the display performance of the CRT.
摘要翻译：一种CRT显示装置，其具有包括接地端子和开口的壳体，以及包括荫罩的CRT（阴极射线管），通过荫罩照射电子束的CRT的管面，从而显示在整个开放区域的图片; 包括导电屏蔽，其面对从阴影掩模的周缘延伸到管面的周缘的CRT显示装置的一部分。屏蔽层连接到接地端子。该屏蔽件使得可以容易地制造能够防止交流电场和电磁波从管面泄漏而不降低CRT的显示性能的CRT显示装置。

4. 发明授权

US5631517A Ultrasonic motor and driving for the ultrasonic motor 失效
标题翻译：超声波电机和超声波电机的驱动装置
公开(公告)号：US5631517A
公开(公告)日：1997-05-20
申请号：US439062
申请日：1995-05-08
申请人： Kazuo Kato , Takashi Sase , Kikuo Tomita , Shuzo Oshima , Muneo Chiba , Tomohiko Douken , Kazuyoshi Takizawa
发明人： Kazuo Kato , Takashi Sase , Kikuo Tomita , Shuzo Oshima , Muneo Chiba , Tomohiko Douken , Kazuyoshi Takizawa
IPC分类号： H01L41/04 , H01L41/09 , H02N2/16 , H01L41/08
CPC分类号： H02N2/105 , H02N2/147
摘要： An electrostrictive revolution type ultrasonic motor includes a piezoelectric ceramic disk shaped stator and a rotor. The piezoelectric ceramic disk shaped stator has an eccentric movement via excitation by two phase pulse like voltage. The rotor is fitted around the circumference of the stator and is transmitted by a rotating torque due to the eccentric movement via frictional contact therebetween. The rotor is formed of a plastic material by injection molding to achieve a reduction of a size variation of the rotor and a stable contact with the stator. A high and stable rotating torque is thereby obtained with a reduced production cost. Further, a driving device for the ultrasonic motor which varies the frequency of a voltage applied to the ultrasonic motor in a stepped manner discriminates the magnitude of the corresponding motor currents and drives the ultrasonic motor with the frequency which causes the maximum motor current. In this manner, a simple structured and low cost driving device which operates at a high speed and at a high resolution with a high efficiency is achieved.
摘要翻译：电致伸缩型超声波马达包括压电陶瓷盘形定子和转子。压电陶瓷盘形定子通过两相相位脉冲（如电压）经由激励而具有偏心运动。转子安装在定子的周围，并由于偏心运动通过其间的摩擦接触而由旋转转矩传递。转子由塑料材料通过注射成型形成，以实现转子尺寸变化的减小和与定子的稳定接触。由此可以降低制造成本而获得高稳定的转矩。此外，用于以阶梯式方式改变施加到超声波马达的电压的频率的超声波马达的驱动装置识别相应电动机电流的大小，并以引起最大电动机电流的频率驱动超声波电动机。以这种方式，实现了以高速和高分辨率高效率地操作的简单的结构化和低成本的驱动装置。

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