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公开(公告)号：US08297323B2
公开(公告)日：2012-10-30
申请号：US12527667
申请日：2008-02-19
申请人： Fumio Takahashi , Shu Fujiwara , Shu Nagai , Takanari Saguchi , Naoya Ochi , Yukihiro Kiwaki
发明人： Fumio Takahashi , Shu Fujiwara , Shu Nagai , Takanari Saguchi , Naoya Ochi , Yukihiro Kiwaki
CPC分类号： B60C11/13 , B60C11/0309 , B60C11/032 , B60C11/1369 , B60C19/002 , B60C2011/0383
摘要： The present invention provides a pneumatic tire having: a circumferential groove continuously extending in the tire circumferential direction in a ground contact surface of a tread portion; and a resonator provided in a land portion and constituted of a resonance cell portion opened to a ground contact region at a position distanced from the circumferential groove and a siping portion making the resonance cell portion communicate with the circumferential groove, wherein change in a tread pattern as time lapses can be alleviated without scarifying an effect of reducing pipe resonance sounds. Specifically, an opening width of the siping portion at the ground contact surface of the tread portion is designed to change in the longitudinal direction thereof such that the opening with is relatively narrow on the side of the circumferential groove and relatively wide on the side of the resonance cell portion.
摘要翻译： 本发明提供一种充气轮胎，其具有：在胎面部的接地面上沿轮胎周向连续延伸的周向槽; 以及谐振器，其设置在陆部，并且由与所述周向槽隔开的位置处的接地接触区域开放的共振单元部分和使所述共振单元部与所述周向槽连通的沟槽部， 随着时间的流逝，可以减轻管道共振声音的影响。 具体地说，胎面部的接地面上的槽口部的开口宽度被设计成在其纵向方向上变化，使得开口在圆周槽的侧面上相对较窄并且在侧面上相对较宽 谐振单元部分。
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公开(公告)号：US20110114238A1
公开(公告)日：2011-05-19
申请号：US12808431
申请日：2008-12-17
申请人： Fumio Takahashi , Souto Nakayama
发明人： Fumio Takahashi , Souto Nakayama
IPC分类号： B60C9/18
CPC分类号： B60C3/04 , B60C9/2009 , B60C9/28 , B60C11/0083 , Y02T10/862
摘要： The present invention provides a pneumatic tire having a carcass as a skeleton extending in a toroidal shape over a pair of bead portions, a belt including at least one slant layer, and a tread, the belt and the tread being disposed on the outer side in the tire radial direction of a crown portion of the carcass in this order, characterized in that: a ratio BD/BW of radius difference BD between radius at the center portion and radius at an end portion in the tire widthwise direction of the outermost layer of the slant belt layer(s), to a width BW of the outermost layer, is in the range of 0.01 to 0.04 in a section of the tire in the widthwise direction in a state where the tire is assembled with an application rim. A pneumatic tire being excellent in wear resistance performance and having relatively low rolling resistance can be obtained accordingly.
摘要翻译： 本发明提供一种充气轮胎，其具有胎体作为骨架，其在一对胎圈部分上以环形形状延伸，包括至少一个倾斜层和胎面，所述带和胎面设置在外侧上 胎体的冠部的轮胎径向顺序，其特征在于：中心部的半径与最外层的轮胎宽度方向的端部的半径的半径差BD的比率BD / BW 在轮胎与应用轮辋组装的状态下，在轮胎的宽度方向上的截面中，最外层的宽度BW的倾斜带层在0.01至0.04的范围内。 因此，可以获得耐磨损性能优异且滚动阻力相对较低的充气轮胎。
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公开(公告)号：US20100175799A1
公开(公告)日：2010-07-15
申请号：US12527667
申请日：2008-02-19
申请人： Fumio Takahashi , Shu Fujiwara , Shu Nagai , Takanari Saguchi , Naoya Ochi , Yukihiro Kiwaki
发明人： Fumio Takahashi , Shu Fujiwara , Shu Nagai , Takanari Saguchi , Naoya Ochi , Yukihiro Kiwaki
CPC分类号： B60C11/13 , B60C11/0309 , B60C11/032 , B60C11/1369 , B60C19/002 , B60C2011/0383
摘要： The present invention provides a pneumatic tire having: a circumferential groove continuously extending in the tire circumferential direction in a ground contact surface of a tread portion; and a resonator provided in a land portion and constituted of a resonance cell portion opened to a ground contact region at a position distanced from the circumferential groove and a siping portion making the resonance cell portion communicate with the circumferential groove, wherein change in a tread pattern as time lapses can be alleviated without scarifying an effect of reducing pipe resonance sounds. Specifically, an opening width of the siping portion at the ground contact surface of the tread portion is designed to change in the longitudinal direction thereof such that the opening with is relatively narrow on the side of the circumferential groove and relatively wide on the side of the resonance cell portion.
摘要翻译： 本发明提供一种充气轮胎，其具有：在胎面部的接地面上沿轮胎周向连续延伸的周向槽; 以及谐振器，其设置在陆部，并且由与所述周向槽隔开的位置处的接地接触区域开放的共振单元部分和使所述共振单元部与所述周向槽连通的沟槽部， 随着时间的流逝，可以减轻管道共振声音的影响。 具体地说，胎面部的接地面上的槽口部的开口宽度被设计成在其纵向方向上变化，使得开口在圆周槽的侧面上相对较窄并且在侧面上相对较宽 谐振单元部分。
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公开(公告)号：US07221844B2
公开(公告)日：2007-05-22
申请号：US11235580
申请日：2005-09-26
摘要： An optical waveguide circuit component according to the present invention is characterized by that a clad layer composed of quartz is provided on the surfaces of a substrate and core formed by quartz doped selectively on a quartz plate structure, and a lid or a cover member is fixed onto the clad layer by heat pressing. With this structure, it is possible to reduce the magnitude of a polarization-dependent loss (PDL) generated when the lid and clad layer are combined.
摘要翻译： 根据本发明的光波导电路部件的特征在于，在由石英板结构选择性地掺杂的石英形成的基板和芯的表面上设置由石英构成的覆盖层，并且盖或盖构件被固定 通过热压在包覆层上。 利用这种结构，可以减小当盖和包层组合时产生的偏振相关损耗（PDL）的大小。
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公开(公告)号：US20060018589A1
公开(公告)日：2006-01-26
申请号：US11235580
申请日：2005-09-26
IPC分类号： G02B6/12
摘要： An optical waveguide circuit component according to the present invention is characterized by that a clad layer composed of quartz is provided on the surfaces of a substrate and core formed by quartz doped selectively on a quartz plate structure, and a lid or a cover member is fixed onto the clad layer by heat pressing. With this structure, it is possible to reduce the magnitude of a polarization-dependent loss (PDL) generated when the lid and clad layer are combined.
摘要翻译： 根据本发明的光波导电路部件的特征在于，在由石英板结构选择性地掺杂的石英形成的基板和芯的表面上设置由石英构成的覆盖层，并且盖或盖构件被固定 通过热压在包覆层上。 利用这种结构，可以减小当盖和包层组合时产生的偏振相关损耗（PDL）的大小。
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公开(公告)号：US06952516B2
公开(公告)日：2005-10-04
申请号：US10885578
申请日：2004-07-08
申请人： Fumio Takahashi , Jun-ichi Tamura , Akira Iino
发明人： Fumio Takahashi , Jun-ichi Tamura , Akira Iino
CPC分类号： G02B6/03666 , G02B6/02014 , G02B6/02242 , G02B6/02271 , G02B6/02285 , G02B6/0286 , G02B6/03644
摘要： A low attenuation optical fiber which falls within 2-14 ps/nm/km in absolute value of dispersion over the full wavelength range of 1530-1565 nm and no more than 0.25 dB/km of transmission loss at 1550 nm of wavelength at ordinary temperature and relative humidity, and still remains no more than 0.25 dB/km of transmission loss at 1550 nm or 1520 nm after its being long-enough exposed under ordinary atmospheric pressure consisting substantially of hydrogen; and which further comprises a polarization mode dispersion (PMD) of no more than 0.5 ps/√{square root over (k)}m at a wavelength of 1550 nm and a loss increase of no more than 40 dB/m in a bending diameter of 20 mm.
摘要翻译： 在1530-1565nm的全波长范围内的色散绝对值为2-14ps / nm / km的低衰减光纤，在常温下在1550nm波长处的传输损耗为不超过0.25dB / km 相对湿度，并且在其基本上由氢组成的普通大气压下长时间暴露后，在1550nm或1520nm处仍然保持不超过0.25dB / km的传输损耗; 并且还包括偏振模色散（PMD）不超过0.5ps /√{平方根（在1550nm的波长为km，在弯曲直径为20mm时的损耗增加不超过40dB / m 。
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公开(公告)号：US20050172675A1
公开(公告)日：2005-08-11
申请号：US10775096
申请日：2004-02-11
申请人： Fumio Takahashi
发明人： Fumio Takahashi
IPC分类号： C03B37/027 , C03B37/03 , C03B37/075 , G02B6/02
CPC分类号： G02B6/02285 , C03B37/02745 , C03B37/032 , C03B2203/19 , C03B2203/36 , C03B2205/06 , G02B6/02004
摘要： A method of manufacturing an optical fiber includes heating at least a portion of an optical fiber preform, drawing an optical fiber at a speed of 500 m/min from the optical fiber preform heated, and impressing a spin on the optical fiber, while drawing, alternately in a clockwise and in a counterclockwise direction with a predetermined angle. Maximum spatial frequency of the spin per meter y satisfies exp(24x−12)≦y≦4 where x is non-circularity of the cladding in percent. The optical fiber has a relative refractive index difference of 0.3% to 0.5%, and a mode field diameter of 8 μm to 10 μm at a wavelength of 1310 nm, A polarization mode dispersion of the optical fiber manufactured is 0.5 ps/km1/2 or less at the wavelength of 1310 nm.
摘要翻译： 一种制造光纤的方法包括加热光纤预制棒的至少一部分，从加热的光纤预制件以500m / min的速度拉伸光纤，并在拉伸时施加光纤上的自旋， 交替地以预定角度顺时针和逆时针方向。 每米m的自旋最大空间频率满足exp（24x-12）<= y <= 4其中x是包层的非圆度，以百分比表示。 光纤的波长为1310nm时的相对折射率差为0.3％〜0.5％，模场直径为8μm〜10μm，制造的光纤的偏振模色散为0.5ps / km 1/2>以下，波长1310nm。
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公开(公告)号：US20050167021A1
公开(公告)日：2005-08-04
申请号：US11097242
申请日：2005-04-04
申请人： Fumio Takahashi
发明人： Fumio Takahashi
CPC分类号： B60C11/1384 , B60C11/11 , B60C11/13 , B60C11/1392 , Y10S152/902
摘要： An end of a block 18 formed on a tread surface of a tire is chamfered in such a manner that a curvature of a chamfer increases toward the end of the block. Accordingly, a ground contact pressure which usually increases locally at the end of the block 18 is equalized and handling stability of the tire improves. Particularly, since the curvature changes, the ground contact pressure can be controlled corresponding to an actual distribution of ground contact pressure. As a result, the ground contact pressure can be equalized still further and an improvement in handling stability of the tire is achieved.
摘要翻译： 形成在轮胎的胎面上的块18的端部被倒角，使得倒角的曲率朝向块的端部增加。 因此，通常在块18的端部局部增加的接地压力相等，轮胎的操纵稳定性提高。 特别地，由于曲率发生变化，所以可以根据地面接触压力的实际分布来控制接地压力。 结果，可以进一步平衡地面接触压力，并且实现轮胎的操纵稳定性的改善。
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公开(公告)号：US06901195B2
公开(公告)日：2005-05-31
申请号：US10447269
申请日：2003-05-29
CPC分类号： G02B6/03644 , C03C13/00 , G02B6/02014 , G02B6/02223 , G02B6/02271 , G02B6/0228
摘要： An optical fiber suitable for the WDM transmission in the wavelength bands of 1.31 μm and 1.55 μm is provided. An optical fiber is characterized by a zero dispersion wavelength of longer than 1330 nm and shorter than 1430 nm, a dispersion of not less than 6 ps/nm/km and not more than 15 ps/nm/km at a wavelength of 1550 nm, a ratio of a dispersion to a dispersion slope of not less than 200 nm and not mare than 400 nm at a wavelength of 1550 nm, a dispersion of not more than −1 ps/nm/km and not less than−8 ps/mn/km at 1300 nm, and a cutoff wavelength of 1300 nm or shorter.
摘要翻译： 提供了适用于波长1.31μm和1.55μm的WDM传输的光纤。 光纤的特征在于长于1330nm且小于1430nm的零色散波长，1550nm波长处的色散不小于6ps / nm / km且不大于15ps / nm / km， 在1550nm波长处的色散与色散斜率之比不小于200nm而不是400nm，色散不大于-1ps / nm / km且不小于-8ps / mn / km，1300nm的截止波长或1300nm以下的截止波长。
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公开(公告)号：US06892017B2
公开(公告)日：2005-05-10
申请号：US10602645
申请日：2003-06-25
申请人： Fumio Takahashi , Yoshihisa Suzuki
发明人： Fumio Takahashi , Yoshihisa Suzuki
CPC分类号： G02B6/03644 , G02B6/02014 , G02B6/02271 , G02B6/0228
摘要： An optical fiber characterized by a dispersion of not less than 2 ps/nm/km and not more than 10 ps/nm/km at a wavelength of 1550 nm, an effective area of 65 μm2 or more at a wavelength of 1550 nm, a positive dispersion slope at a wavelength of 1550 nm, a zero dispersion wavelength outside the wavelength range of 1400 nm to 1460 nm, an absolute value of dispersion of not less than 2 ps/nm/km and not more than 10 ps/nm/km at a wavelength of 1400 nm, a cutoff wavelength of 1400 nm or shorter, and a transmission loss of 0.40 dB/km or less at a wavelength of 1400 nm is provided. By using the optical fiber of the present invention, the WDM transmission both in the 1.55 μm wavelength band and in the wavelength range between 1400 nm to 1460 nm is realized.
摘要翻译： 一种光纤，其特征在于在1550nm的波长下分散不小于2ps / nm / km且不大于10ps / nm / km，有效面积为65μm2以上 在1550nm的波长下，在1550nm的波长下的正色散斜率，在1400nm至1460nm的波长范围外的零色散波长，不小于2ps / nm / km的分散绝对值，而不是 提供1400nm波长的10ps / nm / km以上，1400nm以下的截止波长，1400nm波长的传输损耗为0.40dB / km以下。 通过使用本发明的光纤，实现了在1.55μm波长带和1400nm至1460nm之间的波长范围内的WDM传输。
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