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    • 51. 发明申请
    • Polarizing Plate Provided With Optical Compensation Layers and Image Display Apparatus Using the Same
    • 具有光学补偿层的偏光板和使用其的图像显示装置
    • US20070222919A1
    • 2007-09-27
    • US10580420
    • 2005-11-25
    • Tsuyoshi ChibaHiroyuki OkadaYoshitsugu KitamuraShunsuke Shutou
    • Tsuyoshi ChibaHiroyuki OkadaYoshitsugu KitamuraShunsuke Shutou
    • G02F1/1335
    • G02F1/13363G02B5/3025G02F1/133528G02F2001/133633G02F2202/40G02F2413/04G02F2413/07G02F2413/08G02F2413/11
    • To provide a polarizing plate provided with optical compensation layers capable of contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same. The polarizing plate provided with optical compensation layers of the present invention includes a polarizer, a first optical compensation layer, a second optical compensation layer, and a third optical compensation layer in the stated order. The first optical compensation layer, the second optical compensation layer, and the third optical compensation layer each have predetermined absolute value of photoelastic coefficient, refractive index profile, and in-plane retardation and/or thickness direction retardation. An absorption axis of the polarizer and a slow axis of the first optical compensation layer form an angle of 10° to 30°. The absorption axis of the polarizer and a slow axis of the second optical compensation layer form an angle of 70° to 95°. The absorption axis of the polarizer and a slow axis of the third optical compensation layer form an angle of 70°to 95°.
    • 为了提供一种具有能够有助于减小厚度的光学补偿层的偏光板,防止由于热引起的不均匀显示,并且有利地防止黑色显示中的光泄漏,以及使用该光学补偿层的图像显示装置。 设置有本发明的光学补偿层的偏振片按照所述的顺序包括偏振器,第一光学补偿层,第二光学补偿层和第三光学补偿层。 第一光学补偿层,第二光学补偿层和第三光学补偿层各自具有预定的光弹性系数,折射率分布和面内延迟和/或厚度方向延迟的绝对值。 偏振器的吸收轴和第一光学补偿层的慢轴形成10°至30°的角度。 偏振片的吸收轴和第二光学补偿层的慢轴形成70°至95°的角度。 偏振片的吸收轴和第三光学补偿层的慢轴形成70°至95°的角度。
    • 54. 发明授权
    • Discharging circuit for a piezoelectric device
    • 压电装置放电电路
    • US07075210B2
    • 2006-07-11
    • US10993857
    • 2004-11-19
    • Hiroyuki Okada
    • Hiroyuki Okada
    • H01L41/08
    • H02N2/0025H02N2/0075H02N2/025H02N2/026H02N2/067
    • In a piezoelectric actuator, a first driving signal amplified a predetermined sine wave is applied to a piezoelectric device in a direction parallel to a polarization direction thereof. A second driving signal having a negative phase with respect to the first driving signal which is amplified the sine wave is applied to the piezoelectric device in a direction opposite to the polarization direction. Thus, the piezoelectric device is driven by a driving signal amplified the first or second driving signal double. Voltages of the first and second driving signals are much smaller than a voltage of inversion of polarization of ceramic thin plates constituting the piezoelectric device.
    • 在压电致动器中,将放大了预定正弦波的第一驱动信号沿平行于其偏振方向的方向施加到压电器件。 相对于放大正弦波的第一驱动信号具有负相位的第二驱动信号以与偏振方向相反的方向被施加到压电器件。 因此,通过将第一或第二驱动信号放大倍数的驱动信号来驱动压电器件。 第一驱动信号和第二驱动信号的电压远小于构成压电元件的陶瓷薄板的极化反转电压。
    • 55. 发明授权
    • Digital camera
    • 数码相机
    • US06977683B1
    • 2005-12-20
    • US09205094
    • 1998-12-03
    • Hiroyuki Okada
    • Hiroyuki Okada
    • H04N5/765G06K9/32H04N1/64H04N3/14H04N5/222H04N5/781H04N5/907H04N9/04H04N9/07H04N9/79H04N9/804H04N9/808H04N9/83
    • H04N1/648H04N9/045H04N2209/046
    • A digital camera employs an image sensor with color filters that correspond to individual pixels of the sensor. Image data detected by the sensor is recorded, together with data regarding the alignment of the color filters. The image data and the recorded alignment data are transmitted to a device external to the camera, where the image data is interpolated to produce complete color data for each pixel of the image. The complete color data is used to display the image. By means of this technique, the camera only needs to store and transmit the original image data, rather than interpolated complete image data. In addition, various interpolation processes can be employed in the external device, according to the particular desires of the user.
    • 数码相机使用具有与传感器的各个像素对应的滤色器的图像传感器。 与传感器检测到的图像数据一起记录有关滤色器对准的数据。 图像数据和记录的对准数据被发送到相机外部的设备,其中内插图像数据以产生图像的每个像素的完整颜色数据。 完整的颜色数据用于显示图像。 通过这种技术,相机只需要存储和传输原始图像数据,而不是内插完整的图像数据。 此外,根据用户的特定愿望,可以在外部设备中采用各种插值处理。
    • 58. 发明授权
    • Pipe joint
    • 管接头
    • US06869110B2
    • 2005-03-22
    • US10451090
    • 2002-01-09
    • Hiroyuki OkadaMasaki Akagi
    • Hiroyuki OkadaMasaki Akagi
    • F02M37/00F16L37/14F16L35/00
    • F16L37/144
    • A pipe connector having excellent pressure tightness and including a female connector (52), a male connector (54) and a retainer (56) is constructed so that the incomplete connection of the female connector (52) and the male connector (54) can be clearly perceived when the retainer is falsely locked. The retainer (56) has side walls (23a, 23b), first retaining lugs (58a, 58b) formed on the inner side of the side walls (23a, 23b), respectively, each having a first end edge (60a) that engages an annular ridge (20) formed on the male connector (54) to restrain the male connector (54) from axial backward movement when the retainer (56) is pushed into the female connector (52) with the male connector (54) completely inserted in the female connector (52), and a second end edge (60b) opposite to the first end edge (60a), and second retaining lugs (62a, 62b) formed on the inner side of the side walls (23a, 23b) and spaced at least a distance corresponding to the width of the annular ridge (20) apart from the first end edges (60a) of the first retaining lugs (58a, 58b), respectively. The second retaining lugs (62a, 62b) are in contact with a retaining member (32) fitted in a bore formed in the female connector (52) to prevent O rings (31a, 31b) fitted in the bore of the female connector (52) from coming off the bore of the female connector (52) to restrain the retaining member (32) from axial movement.
    • 具有优异的压力密封性的管连接器包括阴连接器(52),阳连接器(54)和保持器(56),使得阴连接器(52)和阳连接器(54)的不完全连接可以 当保持器被错误锁定时,要清楚地察觉到。 保持器(56)具有侧壁(23a,23b),分别形成在侧壁(23a,23b)的内侧上的第一保持凸耳(58a,58b),每个具有第一端边缘(60a) 形成在所述阳连接器(54)上的环形凸脊(20),以当所述保持器(56)被推入所述阴连接器(52)中时,使所述阳连接器(54)完全插入 在阴连接器(52)和与第一端缘(60a)相对的第二端边缘(60b)以及形成在侧壁(23a,23b)的内侧上的第二保持凸耳(62a,62b)和 间隔至少一个对应于与第一保持凸耳(58a,58b)的第一端边缘(60a)分开的环形脊(20)的宽度的距离。 第二固定突起(62a,62b)与嵌入在阴连接器(52)中形成的孔中的保持构件(32)接触,以防止嵌入阴连接器(52)的孔中的O形环(31a,31b) )脱离阴连接器(52)的孔以限制保持构件(32)的轴向移动。
    • 59. 发明授权
    • Low power, high speed analog to digital converter
    • 低功耗,高速模数转换器
    • US06778124B2
    • 2004-08-17
    • US10323143
    • 2002-12-18
    • Yasuyuki HashimotoHiroyuki Okada
    • Yasuyuki HashimotoHiroyuki Okada
    • H03M112
    • H03M1/1061H03M1/365
    • A low power consumption, high conversion accuracy, and high speed operation analog/digital converter, that is, a flash-type analog/digital converter provided with a top voltage comparator TC, a bottom voltage comparator BC, a switch circuit Si (1≦i≦M), a timer TM, a sweep generator SG, and a controller CO. At the start of calibration, a predetermined switch among the switch circuits is turned on to apply a predetermined reference voltage to the other terminal of a comparators Ci and to apply a calibration voltage changing in a ramp shape from a sweep generator to one terminal of the comparator Ci. Further, the inversion time of the comparator Ci is counted by the timer, the reference voltage is reselected, and the switch to be turned on is determined based on the results of the count.
    • 具有低功耗,高转换精度和高速运行的模拟/数字转换器,即具有顶部电压比较器TC,底部电压比较器BC,开关电路Si(1 < = i <= M),定时器TM,扫描发生器SG和控制器CO。在开始校准时,开关电路中的预定开关导通,以将预定参考电压施加到比较器的另一端 并且将从斜波形变化的校准电压从扫描发生器施加到比较器Ci的一个端子。 此外,比较器Ci的反转时间由定时器计数,重新选择参考电压,并且基于计数的结果确定要接通的开关。