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1. 发明专利

JP2010261746A Gas shut-off device 有权
标题翻译：气体切断装置
公开(公告)号：JP2010261746A
公开(公告)日：2010-11-18
申请号：JP2009110902
申请日：2009-04-30
申请人： Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , Yazaki Corp , パナソニック株式会社 , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社 , 矢崎総業株式会社
发明人： UEKI KOICHI , OTANI TAKAHISA , NAKABAYASHI YUJI , ASANO KAZUTAKA , KOBAYASHI MASATOMO , WATANABE AKIRA , KONO SACHIKO , YUASA KENICHIRO , NAGAI NOZOMI , ISHIKAWA TETSUO , KAWAGUCHI KEIJI , FUJII YASUHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO , YAMAURA MICHIAKI , ISOBE KIMIKATSU , HORI FUJIO , SHIMIZU HIROSHI
IPC分类号： G01F1/66 , G01F3/22 , G01N27/02
摘要： PROBLEM TO BE SOLVED: To provide a gas shut-off device capable of shutting off a gas by detecting infiltration of water, or the like, into a flow channel or a control part in the device.
SOLUTION: The gas shut-off device includes an amplification degree determining means 18 for determining a signal amplification degree of a flow rate detection means 8 performing flow rate detection with propagation velocity of an ultrasonic wave between vibrators 6, 7 disposed along the flow channel 4; a propagation time determination means 20 for determining the propagation time; a measurement condition setting means 16 changing a measurement condition; a flow channel inside abnormality determination means 22 for estimating water intrusion in the flow channel, when an abnormally short propagation time is detected at the amplification degree equal to or less than a lower limit determination value; a clocking means 23, activated when the amplification degree of an upper limit determination value or more is determined; a measurement ratio calculation means 24 for obtaining a ratio set at the maximum measurement condition during the clocking; an impedance estimation means 25 for estimating the abnormality of impedance between terminals of the flow rate detection means 8, when it is determined that the amplification degree is equal to or more than the upper limit determination value and the measurement ratio is equal to or more than a prescribed value; and a shut-off means 27 for shutting off the supply of gas at abnormality.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过检测水等的渗透而关闭气体的气体切断装置到装置中的流路或控制部中。气体切断装置包括：放大度判定装置18，用于确定流量检测装置8的信号放大度，该流量检测装置8执行流速检测，其传播速度是沿着沿着该方向设置的振动器6,7之间的超声波流路4; 用于确定传播时间的传播时间确定装置20; 改变测量条件的测量条件设置装置16; 当以等于或小于下限确定值的放大度检测到异常较短的传播时间时，用于估计流道中的水侵入的异常确定装置22内的流路; 当确定上限确定值或更多的放大度时激活的计时装置23; 用于获得在计时期间在最大测量条件下设定的比率的测量比率计算装置24; 用于估计流量检测装置8的端子之间的阻抗的异常的阻抗估计装置25，当确定放大度等于或大于上限确定值并且测量比等于或大于规定值以及用于在异常情况下关闭气体供应的切断装置27。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2006053067A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006053067A
公开(公告)日：2006-02-23
申请号：JP2004235277
申请日：2004-08-12
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To facilitate assembling work and to restrain a constitutive element of a gas meter from being deformed when manufactured, by forming a protruded positioning means on an outer face of a substantially coplanar measuring flow passage.
SOLUTION: Positioning portions for positioning and fixing the measuring flow passage 30 in an inside of a storage member 21 are formed on opposed faces 27a, 27b of the storage member 21 and the outer face of the measuring flow passage 30, the each positioning portion is constituted of a protruded portion 35 formed on the outer face of the measuring flow passage 30, and storage portions 28a, 28b formed in the opposed faces 27a, 27b of the storage member 21 faced to the protruded portion 35 in an assembled condition, and the outer faces of respective sides constituting the measuring flow passage 30 is formed to bring portions formed with flanges 30i, 30e into a substantially coplanar face with respect to portions other than the portion formed with the protruded portion 35.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了便于组装工作和限制燃气表的构成元件在制造时变形，通过在基本上共面的测量流动通道的外表面上形成突出的定位装置。解决方案：用于将测量流路30定位和固定在存储构件21的内部的定位部分形成在存储构件21的相对面27a，27b和测量流路30的外表面上，每个定位部分由形成在测量流动通道30的外表面上的突出部35和形成在存储部件21的相对面27a，27b中的存储部分28a，28b构成在组装状态下面对突出部分35 并且构成测量流路30的各侧的外表面形成为将形成有凸缘30i，30e的部分相对于形成有突出部35的部分以外的部分形成为基本上共面。（C）2006，JPO＆NCIPI

3. 发明专利

JP2005345188A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2005345188A
公开(公告)日：2005-12-15
申请号：JP2004163137
申请日：2004-06-01
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , INOUE TOMIO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F3/22 , G01F15/06 , G01F15/14
摘要： PROBLEM TO BE SOLVED: To provide a gas meter having structure leaving a hysteresis of using a communication terminal of the second communication group when using the second communication group, by separating a communication terminal into at least the first communication group and the the second communication group.
SOLUTION: This gas meter is provided with the communication terminal and a removable terminal cover for covering the communication terminal, and the communication terminal is separated into at least the first communication group and the second communication group. The communication terminal 20 of the first communication group is usable when removing the terminal cover 1e. The communication terminal of the second communication group is covered with a protection cover 40 when removing the terminal cover 1e, and has structure incapable of using the communication terminal of the second communication group when at least one portion of the protection cover is not broken or deformed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种具有在使用第二通信组时留下使用第二通信组的通信终端的滞后的结构的燃气表，通过将通信终端分为至少第一通信组和第二通讯组。解决方案：该气量计设有通信终端和用于覆盖通信终端的可移除终端盖，并且通信终端至少分成第一通信组和第二通信组。当移除端子盖1e时，第一通信组的通信终端20是可用的。当移除终端盖1e时，第二通信组的通信终端被保护盖40覆盖，并且当保护盖的至少一部分不被破坏或变形时，具有不能使用第二通信组的通信终端的结构。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2004333380A Gas meter 有权
公开(公告)号：JP2004333380A
公开(公告)日：2004-11-25
申请号：JP2003131861
申请日：2003-05-09
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YOSHINO KAZUHIRO , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , INOUE TOMIO , FUJII YASUHIRO , KIMURA YUKIO
IPC分类号： G01F3/22 , G01F15/14
摘要： PROBLEM TO BE SOLVED: To provide a gas meter capable of securing a sealed property and improving compactness and lightness in weight.
SOLUTION: In the gas meter, engaging parts provided for a first cover (11) and a second cover (12) are engaged with each other to constitute a casing. The engaging parts are constituted of sealing parts (11b and 12b) inside the casing and outer circumferential parts(11a and 12a) outside the casing and constituted in such a way that the sealing parts may come into contact and be engaged with each other via a first sealing member (16). The sealing parts and the outer circumferential parts are constituted in different shapes. In the case that the first cover is engaged with the second cover, the outer circumferential parts are formed in such a way that the outer circumferential parts in one cover may cover the sealing parts in the other cover. The gas meter is formed in such a way that contact surfaces in the sealing parts in the case that the first cover is engaged with the second cover may be present in one plane.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2014006159A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2014006159A
公开(公告)日：2014-01-16
申请号：JP2012142125
申请日：2012-06-25
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： HORI FUJIO , MIZUKOSHI YASUSHI , MORII NOBUYOSHI , YUASA KENICHIRO , OWAKU TAKASHI , ASADA SHOJI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO , SAWAKI DAISUKE
IPC分类号： G01F3/22 , G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide a gas meter, which measures a gas flow rate using an ultrasonic wave, capable of further suppressing gas turbulence.SOLUTION: In a gas meter which measures a flow rate of gas, which flows inside a measuring flow channel formed inside a tubular measuring pipe 22, using an ultrasonic wave, the measuring flow channel has a square cross-section orthogonal to an axis direction of a gas flow. The measuring pipe 22 is a square tube which has 4 inner wall faces configuring the measuring flow channel and is formed by combining a first measuring pipe member 22a and a second measuring pipe member 22b which respectively integrate 2 neighboring inner walls so as to have L-shaped cross-sections orthogonal to the axis direction. In the measuring pipe 22, a ring member 27 formed into a ring surrounding an opening section of the measuring pipe 22 is fitted into at least an end section where gas flows in therethrough.
摘要翻译：要解决的问题：提供一种能够进一步抑制气体湍流来测量使用超声波的气体流量的燃气表。解决方案：在测量在测量流路内流动的气体流量的气量计中，形成在管状测量管22内，使用超声波，测量流动通道具有与气流的轴线方向正交的正方形横截面。测量管22是具有构成测量流动通道的4个内壁面的方形管，并且通过组合第一测量管构件22a和第二测量管构件22b而形成，第一测量管构件22a和第二测量管构件22b分别结合两个相邻的内壁，形状的横截面垂直于轴线方向。在测量管22中，形成为围绕测量管22的开口部分的环的环形构件27装入至少一个气体流入其中的端部。

6. 发明专利

JP2013096901A Ultrasonic flowmeter 有权
标题翻译：超声波流量计
公开(公告)号：JP2013096901A
公开(公告)日：2013-05-20
申请号：JP2011241277
申请日：2011-11-02
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： MIZUKOSHI YASUSHI , HORI FUJIO , NAKAMURA NOBUHIRO , YUASA KENICHIRO , OWAKU TAKASHI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flowmeter that can achieve highly accurate resolution in time measurement while keeping required specifications and costs of peripheral elements low and saving power consumption.SOLUTION: An ultrasonic flowmeter comprises a rough clock 1 that measures a total time x from transmission to reception of a measurement wave w; a main clock 2 that measures an excess time a from the reception of the measurement wave w to detection of a rough clock pulse 1p immediately after the reception of the measurement wave; delay matching means 3 that measures an error time b from detection of a main clock pulse 2p immediately after the reception of the measurement wave to the detection of the rough clock pulse 1p immediately after the reception of the measurement wave; and arithmetic operation means 4 that outputs as a required time y the balance of subtraction, from the total time x, of the remaining time of subtraction of the error time b from a multiple time d equivalent to the number of the main clock pulses 2p output from the reception of the measurement wave w to the detection of the rough clock pulse 1p immediately after the reception of the measurement wave.
摘要翻译：要解决的问题：提供一种超声波流量计，可以实现高精度的时间分辨率，同时保持周边元件的所需规格和成本，并节省功耗。解决方案：超声波流量计包括测量从发射到接收测量波w的总时间x的粗略时钟1; 主时钟2，其测量从测量波w的接收到紧接在接收测量波之后的粗略时钟脉冲1p的超时时间a; 延迟匹配装置3，其从接收到测量波之后的主时钟脉冲2p的检测到紧接在测量波之后的粗略时钟脉冲1p的检测来测量误差时间b; 以及算术运算装置4，从相当于主时钟脉冲2p输出数的多个时间d的剩余时间的总时间x中输出作为所需时间y的减法平均值从测量波w的接收到接收测量波之后的粗略时钟脉冲1p的检测。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013064643A Method and apparatus for correcting zero point of ultrasonic flowmeter 审中-公开
标题翻译：用于校正超声波流量计零点的方法和装置
公开(公告)号：JP2013064643A
公开(公告)日：2013-04-11
申请号：JP2011203358
申请日：2011-09-16
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： MIZUKOSHI YASUSHI , HORI FUJIO , NAKAMURA NOBUHIRO , YUASA KENICHIRO , OWAKU TAKASHI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for correcting a zero point of an ultrasonic flowmeter, which can timely correct the zero point without requiring difficult environment setting such as passage blockage and pressure adjustment.SOLUTION: The ultrasonic flowmeter zero point correcting method and its apparatus for detecting a flow rate of fluid by installing a pair of ultrasonic sensors 2, 2 oppositely each other on the upstream and downstream of a passage 1 includes a flow rate correction step for converting a reflection time difference between forward reflection time and reverse reflection time of a measurement wave W into an offset value and updating a level of the offset value as a zero point of a flow rate to be guided by the ultrasonic flowmeter.
摘要翻译：要解决的问题：提供一种用于校正超声波流量计的零点的方法和装置，其可以在不需要困难的环境设置（诸如通道阻塞和压力调节）的情况下及时校正零点。解决方案：超声波流量计零点校正方法及其用于通过在通道1的上游和下游安装一对超声波传感器2,2彼此相对设置的用于检测流体流量的装置包括流量校正步骤用于将测量波W的正向反射时间和反向反射时间之间的反射时间差转换为偏移值，并将偏移值的水平更新为由超声波流量计引导的流量的零点。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2006038627A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006038627A
公开(公告)日：2006-02-09
申请号：JP2004218768
申请日：2004-07-27
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F1/66 , G01F1/00
摘要： PROBLEM TO BE SOLVED: To keep detection accuracy of a gas meter for a long period by removing a contact part between a transmission portion of a lid member and a straightening vane. SOLUTION: On a propagation window part 41, a plate-shaped turbulent flow suppression member 60 is assembled from the inside of a measuring passage 30. On the turbulent flow suppression member 60, the transmission portion 61 for transmitting an ultrasonic wave is formed on a part of a face facing to the inside of the measuring passage 30 at the assembling state time. The lengthy side of the straightening vane 70 is arranged across the propagation window part 41 in the flowing direction of gas. The turbulent flow suppression member 60 is put into the pressed state onto the propagation window part 41 by the straightening vane 70 at the assembling state time, and, at the same state time, an aperture is formed between the transmission portion 61 and the lengthy side of the straightening vane 70 facing the transmission portion 61. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过去除盖构件的传动部分和矫直叶片之间的接触部分来长时间保持气量计的检测精度。解决方案：在传播窗口部分41上，从测量通道30的内部组装板状湍流抑制构件60.在湍流抑制构件60上，用于传输超声波的传输部分61 在组装状态时刻形成在与测量通道30的内侧相对的面的一部分上。矫直叶片70的长边沿气体的流动方向布置在传播窗口部分41的两侧。湍流抑制构件60在组装状态时由矫直叶片70进入按压状态到传播窗口部分41，并且在相同的状态下，在传动部分61和长边之间形成孔矫正叶片70面对透射部分61.版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2006029907A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006029907A
公开(公告)日：2006-02-02
申请号：JP2004207158
申请日：2004-07-14
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F3/22 , G01F1/684
摘要： PROBLEM TO BE SOLVED: To restrain backlash of a straightening vane as in a prior art, and to facilitate fitting-in work for the straightening vane, by storing the straightening vane in a prescribed position while guiding it. SOLUTION: This gas meter is provided with the straightening vane 70 arranged bridgedly on two opposed inner wall faces out of the four inner wall faces in a measuring flow passage, the straightening vane 70 is a plate member long along a gas flowing direction, a groove part 82 is formed on the two opposed inner wall faces to be inserted with the straightening vane 70 from a direction perpendicular to the inner walls, a storage part 86 for storing the straightening vane 70 to be fixed is formed in a depth-directional tip part of the groove 82, an opening part 83 opened in an inner wall face side of the groove 82 has an opening dimension larger than a plate thickness dimension of the straightening vane 70 in view of a cross-section perpendicular to the gas flowing direction, a storage height dimension of the storage part 86 has a size same to the plate thickness dimension of the straightening vane 70 in view of the same cross-section, and the groove 82 is formed to make an opening dimension get small gradually from the opening part 83 toward the storage part 86, in view of the same cross-section. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了限制现有技术中的矫直叶片的间隙，并且通过在矫直叶片引导的同时将矫直叶片存放在规定位置，以便于矫直叶片的装配工作。解决方案：该气量计具有在测量流路中四个内壁面之间的两个相对的内壁面上桥接布置的矫直叶片70，矫直叶片70是沿着气体流动方向长的板构件在两个相对的内壁面上形成槽部分82，以从矫直叶片70垂直于内壁的方向插入，用于储存固定的矫直叶片70的储存部分86形成在深度方向上，考虑到垂直于气体流动的横截面，凹槽82的定向尖端部分，在凹槽82的内壁面侧开口的开口部83的开口尺寸大于矫直叶片70的板厚度尺寸方向上，存储部86的存放高度尺寸考虑到相同的横截面而具有与矫直叶片70的板厚度尺寸相同的尺寸，并且凹槽82形成为使得开口变暗考虑到相同的横截面，收缩部从开口部83朝向收纳部86逐渐变小。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2006003305A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006003305A
公开(公告)日：2006-01-05
申请号：JP2004182627
申请日：2004-06-21
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide a gas meter with a structure capable of facilitating the connection of wiring of a gas meter and an adaptor and preventing the intrusion of rainwater or the like from the connected wiring.
SOLUTION: In the gas meter provided with a communication terminal for performing communication with the adaptor, the communication terminal is arranged in a terminal housing part, and a terminal sealing part provided so as to surround the communication terminal is formed in the terminal housing part. A detachable terminal cover is provided in the terminal housing part, and the gas meter has the structure sandwiching a first sealing member formed into a shape corresponding to the terminal sealing part with the terminal sealing part and the terminal cover. When connecting the adaptor, one end of the wiring is connected to the communication terminal, the wiring is led from between the terminal sealing part and the terminal cover to connect the other end of the wiring to the adaptor. A wiring sealing part provided with a second sealing member is formed at a prescribed position of the terminal sealing part, and wiring 1Z is sandwiched with the first sealing member 14 and the second sealing member 60 to be surrounded in a radial direction.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有能够便于连接燃气表和适配器的布线的结构的燃气表，并防止雨水等从连接的布线的入侵。解决方案：在具有用于与适配器进行通信的通信终端的燃气表中，通信终端设置在端子壳体部分中，并且在终端中形成设置为围绕通信终端的端子密封部住房部分。在端子壳体部分设置有可拆卸的端子盖，并且气体计具有将端子密封部和端子盖形成为与端子密封部对应的形状的第一密封部件的结构。当连接适配器时，布线的一端连接到通信端子，接线从端子密封部分和端子盖之间引出，将布线的另一端连接到适配器。在端子密封部的规定位置形成具有第二密封部件的配线密封部，并且将配线1Z与第一密封部件14和第二密封部件60夹持以沿径向包围。版权所有（C）2006，JPO＆NCIPI

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