公开(公告)号：US06876380B2

公开(公告)日：2005-04-05

申请号：US10098481

申请日：2002-03-18

申请人： Kazunori Abe ,  Fujio Okada

发明人： Kazunori Abe ,  Fujio Okada

IPC分类号： A61B1/04 ,  H04N5/225 ,  H04N5/335 ,  H04N5/341 ,  H04N5/343 ,  H04N5/372 ,  H04N5/46 ,  H04N7/01 ,  H04N7/18 ,  H04N11/20

CPC分类号： H04N7/0135 ,  H04N5/335 ,  H04N5/46 ,  H04N7/0105 ,  H04N11/20 ,  H04N2005/2255

摘要： An electronic endoscopic apparatus having various sorts of electronic endoscopes mounting a CCD with a different number of pixels, for example, 410,000 pixels, 270,000 pixels or 190,000 pixels that are connectable to a processor. A CCD drive and signal processing circuit drives all the CCDs at a frequency set up for the CCD with 410,000 pixels, and an information quantity conversion circuit expands an image acquired by the CCD with 270,000 pixels or 190,000 pixels by pixel interpolation in a horizontal direction or a vertical direction to form an image with an aspect ratio of 4 to 3. Also, a video signal acquired in an NTSC system is converted into a video signal of a PAL system by using a television standard conversion circuit, thereby displaying an excellent PAL video without any bar noise.

摘要翻译： 一种电子内窥镜装置，具有安装具有不同数量像素的CCD的各种电子内窥镜，例如可连接到处理器的410,000像素，270,000像素或190,000像素。 CCD驱动器和信号处理电路驱动具有410,000像素的CCD设置频率的所有CCD，并且信息量转换电路以水平方向以270,000像素或19万像素插值来扩展由CCD获取的图像，或 垂直方向形成长宽比为4比3的图像。此外，通过使用电视标准转换电路将在NTSC系统中获取的视频信号转换成PAL系统的视频信号，从而显示出优良的PAL视频 没有任何酒吧噪音。

公开(公告)号：US06459447B1

公开(公告)日：2002-10-01

申请号：US09409658

申请日：1999-09-30

申请人： Fujio Okada ,  Mitsuhisa Nakagawa ,  Keiichi Negishi

发明人： Fujio Okada ,  Mitsuhisa Nakagawa ,  Keiichi Negishi

IPC分类号： H04N718

CPC分类号： H04N5/23203 ,  H04N5/18 ,  H04N7/183 ,  H04N2005/2255 ,  Y10S128/908

摘要： With an electronic endoscope, a wide band video signal is output to connected instruments without giving electric shocks to a body even when the connected instruments are not insulated. The video signal V is converted to differential signals V1, V2 by a differential amp 31 and input to buffers 42, 43 via capacitors 32, 33. The clamp signal CP generated by the clamp signal output means 44 is input to the end terminals of the switches SW1, SW2 via the photocoupler 46. The differential signals V1, V2 undergo pulse clamping in the buffers 42, 43 and the DC components are restored. The video signal restoring portion 49 restores the video signal V on the basis of the differential signals V1, V2 having undergone DC restoration and outputs the video signals to the connected instruments.

摘要翻译： 使用电子内窥镜，即使连接的仪器未被绝缘，宽带视频信号也输出到连接的仪器，而不会对电路产生电击。 视频信号V由差分放大器31转换成差分信号V1，V2，并通过电容器32,33输入到缓冲器42,43。由钳位信号输出装置44生成的钳位信号CP被输入到 开关SW1，SW2通过光电耦合器46.差分信号V1，V2在缓冲器42,43中进行脉冲钳位，直流分量被恢复。 视频信号恢复部分49基于已经经过DC恢复的差分信号V1，V2恢复视频信号V，并将视频信号输出到连接的仪器。

公开(公告)号：US5390662A

公开(公告)日：1995-02-21

申请号：US20797

申请日：1993-02-22

申请人： Fujio Okada

发明人： Fujio Okada

IPC分类号： A61B1/04 ,  A61B1/05 ,  G02B23/24 ,  H04N5/225 ,  H04N7/18

CPC分类号： A61B1/05 ,  H04N5/2252 ,  H04N2005/2255

摘要： An electronic endoscope apparatus uses a circuit board having a cavity for achieving a predetermined electrical insulation. The apparatus includes a patient circuit on the side of the electronic endoscope, an output circuit for performing a predetermined image processing, and an isolation device for maintaining a predetermined dielectric strength between the two circuits; and the cavity is formed on one circuit board where the isolation device is disposed extending over the cavity. Further, the cavity is extended outward by a predetermined length so that signal lines on the two sides to be connected to the isolation device are positioned with a distance from each other on the circuit board by which a predetermined dielectric strength may be maintained. Thereby, current detouring through the circuit board may be effectively prevented and it is possible to isolate the patient circuit and the output circuit from each other also on the circuit board.

摘要翻译： 电子内窥镜装置使用具有用于实现预定电绝缘的空腔的电路板。 该装置包括在电子内窥镜一侧的患者电路，用于执行预定图像处理的输出电路和用于在两个电路之间维持预定电介质强度的隔离装置; 并且空腔形成在一个电路板上，其中隔离装置设置在空腔上方延伸。 此外，空腔向外延伸预定长度，使得要连接到隔离装置的两侧上的信号线在电路板上彼此间隔一定距离，由此可保持预定的介电强度。 因此，可以有效地防止电路板的电流迂回，并且可以将电路板上的患者电路和输出电路彼此隔离。

公开(公告)号：US4824619A

公开(公告)日：1989-04-25

申请号：US135235

申请日：1987-12-21

申请人： Fujio Okada ,  Toshihiko Ohta

发明人： Fujio Okada ,  Toshihiko Ohta

IPC分类号： B29C55/02 ,  B29C55/00 ,  B29K23/00 ,  B29L7/00 ,  C08J5/18 ,  D01F6/04 ,  D02J1/22 ,  B29C47/92

CPC分类号： C08J5/18 ,  B29C55/005 ,  D01F6/04 ,  B29K2023/06 ,  C08J2323/04

摘要： A process for producing polyethylene drawn filaments and drawn films which comprises molding under pressure a mixture of 51 to 90 parts by weight of polyethylene powder having a weight average molecular weight of at least 4.times.10.sup.5 and having no history of being molten or dissolved after polymerization, and 49 to 10 parts by weight of a solvent at a temperature lower than the melting point of the mixture, and then hot-stretching the molded product.

摘要翻译： 一种聚乙烯拉伸长丝和拉伸膜的制造方法，其包括在压力下成型51〜90重量份的重均分子量为4×10 5以上且聚合后没有熔融或溶解的聚乙烯粉末的混合物，以及 在比混合物的熔点低的温度下加入49〜10重量份的溶剂，然后热成型制品。

公开(公告)号：US06943821B2

公开(公告)日：2005-09-13

申请号：US10101345

申请日：2002-03-20

申请人： Kazunori Abe ,  Fujio Okada

发明人： Kazunori Abe ,  Fujio Okada

IPC分类号： G02B23/24 ,  A61B1/04 ,  G06T3/40 ,  H04N5/225 ,  H04N7/18 ,  H04N7/36

CPC分类号： G06T3/4007 ,  H04N5/335 ,  H04N19/507 ,  H04N2005/2255

摘要： With a device that connects a processor device to electronic endoscopes having CCDs with different numbers of pixels, for example, 410, 270, or 190 thousand pixels mounted thereon, all the CCDs are driven at a frequency corresponding to 410 thousand pixels. Further, an information amount converting circuit enlarges an image obtained by the CCD with 270 or 190 thousand pixels in a horizontal direction and a vertical direction by using pixel interpolation. That is, data on a pixel to be interpolated is calculated by averaging pixels around this pixel, and enlarged binary data on this target pixel is obtained. A weighting factor is applied to this binary data, and the resultant data is added to the target pixel data. This process forms an image with an aspect ratio of 4:3.

摘要翻译： 使用将处理器设备连接到具有不同数量像素的CCD的电子内窥镜的设备，例如安装在其上的410,270或19万像素，所有CCD以对应于41万个像素的频率被驱动。 此外，信息量转换电路通过使用像素内插，在水平方向和垂直方向上放大由CCD获得的图像270或19万像素。 也就是说，通过对该像素周围的像素进行平均来计算要内插的像素上的数据，并且获得关于该目标像素的放大的二进制数据。 对该二进制数据应用加权因子，并且将结果数据添加到目标像素数据。 此过程形成纵横比为4：3的图像。

公开(公告)号：US06476852B1

公开(公告)日：2002-11-05

申请号：US09340050

申请日：1999-06-28

申请人： Fujio Okada

发明人： Fujio Okada

IPC分类号： H04N947

CPC分类号： A61B1/042 ,  H04N5/335 ,  H04N5/46 ,  H04N7/18 ,  H04N9/642 ,  H04N2005/2255

摘要： An imaging device for an endoscope which can restrain the flicker of a screen caused when converting the television system, and furthermore, which makes it possible to unify processor circuits performing the processing of different systems. Having an NTSC system oscillator and a PAL oscillator with an oscillating frequency of N·fh2, and a switching device for selecting them in a scope equipped with a CCD suitable for the number of scanning lines, for example, of the NTSC system, and it drives the CCD on the basis of a timing signal formed in each of the selected oscillators. That is, when the PAL system is selected, the picture data is taken out from the CCD by a horizontal synchronization signal with a frequency of 15.625 kHz (fh2), and in a memory section on the processor side, write-in and read-out of the picture data are also performed by a horizontal synchronization signal with this frequency fh2, and therefore, difference between the write-in speed and the read-out speed becomes small, and the flicker of a screen is restrained.

摘要翻译： 一种用于内窥镜的成像装置，其可以抑制在转换电视系统时引起的屏幕闪烁，此外，这使得可以将执行不同系统的处理的处理器电路统一起来。 具有NTSC系统振荡器和振荡频率为N.fh2的PAL振荡器，以及用于在配备有适合于NTSC系统的扫描线数量的CCD的范围内选择它们的开关装置，并且它 基于形成在每个选择的振荡器中的定时信号来驱动CCD。 也就是说，当选择PAL系统时，通过具有15.625kHz（fh2）频率的水平同步信号从CCD中取出图像数据，并且在处理器侧的存储器部分中，写入和读出数据， 图像数据中的图像数据也由具有该频率fh2的水平同步信号执行，因此，写入速度和读出速度之间的差异变小，并且屏幕的闪烁被抑制。

公开(公告)号：US4851508A

公开(公告)日：1989-07-25

申请号：US68213

申请日：1987-06-30

申请人： Kazuo Kurita ,  Masahiro Hayashi ,  Toshihiko Ohta ,  Hideaki Ishihara ,  Fujio Okada ,  Wataru Yoshikawa ,  Akira Chiba ,  Susumu Tate

发明人： Kazuo Kurita ,  Masahiro Hayashi ,  Toshihiko Ohta ,  Hideaki Ishihara ,  Fujio Okada ,  Wataru Yoshikawa ,  Akira Chiba ,  Susumu Tate

IPC分类号： D01F6/62 ,  D02J1/22

CPC分类号： D01F6/62 ,  D02J1/22

摘要： Polyester fibers having both a high strength and a high modulus prepared from ethylene terephthalate polyester, and having an intrinsic viscosity of not less than 1.0 and an initial tensile modulus is not less than 130 g/d, said intrinsic viscosity being determined in a mixed solvent of p-chlorophenol and tetrachloro ethane (3:1) at 30.degree. C. Processes for producing the fibers are also disclosed.

摘要翻译： 具有由对苯二甲酸乙二醇酯聚酯制得的高强度和高模量且特性粘度不低于1.0且初始拉伸模量的聚酯纤维不低于130g / d，所述特性粘度在混合溶剂中测定 的对氯苯酚和四氯乙烷（3:1）。制备纤维的方法也被公开。

公开(公告)号：US4800121A

公开(公告)日：1989-01-24

申请号：US55355

申请日：1987-05-29

申请人： Toshihiko Ohta ,  Fujio Okada ,  Masahiro Hayashi

发明人： Toshihiko Ohta ,  Fujio Okada ,  Masahiro Hayashi

IPC分类号： H01B7/18 ,  D01F6/62 ,  D07B1/02 ,  G02B6/44 ,  D02G3/00

CPC分类号： G02B6/4434 ,  D01F6/04 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2964 ,  Y10T428/2967

摘要： An optical fiber cord or cable comprising at least one optical fiber and at least one tensile member for reinforcing said optical fiber, said tensile member comprising at least one polyethylene filament having a viscosity average molecular weight of not less than 200,000, a tenacity of not less than 20 g/d and a tensile modulus of not less than 600 g/d.

公开(公告)号：US4779953A

公开(公告)日：1988-10-25

申请号：US885817

申请日：1986-07-21

申请人： Toshihiko Ohta ,  Fujio Okada ,  Masahiro Hayashi

发明人： Toshihiko Ohta ,  Fujio Okada ,  Masahiro Hayashi

IPC分类号： H01B7/18 ,  D01F6/62 ,  D07B1/02 ,  G02B6/44

CPC分类号： G02B6/4434 ,  D01F6/04 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2964 ,  Y10T428/2967

摘要： An optical fiber cord or cable comprising at least one optical fiber and at least one tensile member for reinforcing said optical fiber, said tensile member comprising at least one polyethylene filament having a viscosity average molecular weight of not less than 200,000, a tenacity of not less than 20 g/d and a tensile modulus of not less than 600 g/d.

摘要翻译： 一种包括至少一个光纤和至少一个用于加强所述光纤的拉伸构件的光纤线或电缆，所述拉伸构件包括至少一个粘度平均分子量不小于20万的聚乙烯长丝，韧度不小于 不超过20g / d，拉伸模量不小于600g / d。

公开(公告)号：US4758905A

公开(公告)日：1988-07-19

申请号：US832089

申请日：1986-02-24

申请人： Fujio Okada ,  Motohiko Horio ,  Naoki Kobayashi ,  Kouji Kaneko ,  Akira Muramatsu

发明人： Fujio Okada ,  Motohiko Horio ,  Naoki Kobayashi ,  Kouji Kaneko ,  Akira Muramatsu

IPC分类号： G11B19/02 ,  H04N1/21 ,  H04N5/235 ,  H04N5/781

CPC分类号： G11B19/02 ,  H04N1/2112 ,  H04N5/2353 ,  H04N2101/00 ,  Y10S358/906

摘要： An image pickup apparatus using an image sensor is provided with a rotary shutter that controls the amount of time the image-forming light strikes the image sensor. A synchronism detector is provided to detect the phase difference between the rotation of the rotary shutter and the scanning of the image sensor by comparing the phase signals produced according to the speed of rotation of the rotary shutter and vertical synchronizing signals periodically produced as well as scanning signals for scanning the image sensor. When there is no phase difference between the two signals, the synchronism detector provides an operation signal which causes a switching circuit to be conductive, so as to permit an image recorder to record images. On the other hand, if there is a phase difference, the synchronism detector provides no operation signal and the switching circuit is rendered non-conductive so as to prevent the image recorder from recording images.

摘要翻译： 使用图像传感器的图像拾取装置设置有控制图像形成光照射到图像传感器的时间量的旋转快门。 提供了一种同步检测器，用于通过比较根据旋转快门的旋转速度产生的相位信号和周期性产生的垂直同步信号以及扫描方式来检测旋转快门的旋转和图像传感器的扫描之间的相位差 用于扫描图像传感器的信号。 当两个信号之间没有相位差时，同步检测器提供使开关电路导通的操作信号，以便允许图像记录器记录图像。 另一方面，如果存在相位差，则同步检测器不提供操作信号，并且切换电路变得不导通，以防止图像记录器记录图像。