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    • 22. 发明申请
    • IPv6 / IPv4 translator
    • IPv6 / IPv4转换器
    • US20060153230A1
    • 2006-07-13
    • US11033836
    • 2005-01-13
    • Hiroshi MiyataMasahito Endo
    • Hiroshi MiyataMasahito Endo
    • H04J3/22
    • H04L29/12066H04L29/12358H04L61/1511H04L61/251H04L69/16H04L69/167
    • The objective of the present invention is to realize a structure which enables a client to utilize a translator without changing the DNS server specification, when a service targeted at general clients is provided. Therefore, the present invention is characterized by having an IPv6/IPv4 translator in which packets are translated reciprocally between IPv6 and IPv4 protocols, a configuration is employed so that a DNS query from a client reaches the translator DNS proxy using a dedicated domain effective as a specific DNS domain, and the above translator DNS proxy is able to be specified an operation by entering a defined character string in FQDN. While the present invention is also characterized by the fact that the above-described client specifies at least either an IPv6-based address or an IPv4-based address in FDQN as a desired address and the client also specifies at least either a translated address or an un-translated address as an address for the returning response. According to the present invention, communications via a translator can be used if necessary without changing the DNS server specification at the client terminal, and the user can communicate via a translator if necessary by explicitly specifying the address. In addition, since specifying a translator becomes unnecessary, it becomes possible for even general unspecified clients to utilize communication via a translator. Further, the user can specify the address translation policy for the translator DNS proxy.
    • 本发明的目的是实现一种能够使客户机在不改变DNS服务器规范的情况下利用翻译器的结构,当提供针对普通客户端的服务时。 因此,本发明的特征在于具有IPv6 / IPv4转换器,其中分组在IPv6和IPv4协议之间相互转换,采用配置,使得来自客户端的DNS查询使用专用域到达转换器DNS代理,该专用域作为 特定DNS域,并且上述转换器DNS代理能够通过在FQDN中输入定义的字符串来指定操作。 虽然本发明的特征还在于上述客户端至少将FDQN中的基于IPv6的地址或基于IPv4的地址指定为期望的地址,并且客户端还指定至少一个翻译的地址或 未翻译的地址作为返回响应的地址。 根据本发明,如果需要,可以使用经由翻译器的通信,而不改变客户终端处的DNS服务器规范,并且如果需要,用户可以通过明确指定地址来通过翻译器进行通信。 此外,由于指定翻译器变得不必要,甚至一般的未指定的客户机也可以通过翻译器利用通信。 此外,用户可以指定翻译者DNS代理的地址转换策略。
    • 23. 发明申请
    • Acousto-optic device
    • 声光装置
    • US20050286826A1
    • 2005-12-29
    • US10954305
    • 2004-10-01
    • Yukito TsunodaHiroshi Miyata
    • Yukito TsunodaHiroshi Miyata
    • G02F1/11G02F1/125G02F1/21G02F1/335
    • G02F1/116G02F1/125G02F2001/212
    • The present invention relates to an acousto-optic device capable of improving the interaction efficiency for suppressing the driving power needed for SAW generation. The acousto-optic device according to the present invention a substrate showing an acousto-optic effect, first and second optical waveguides formed on the substrate to be substantially parallel with each other for propagating light, a transducer formed on the substrate for producing a surface acoustic wave to be propagated in a propagation direction along directions of the first and second optical waveguides, and a surface acoustic wave distribution structure for distributing an intensity of the surface acoustic wave from the transducer in a direction perpendicular to the propagation direction on the substrate so that maximum values develop at two points corresponding to positions of the first and second optical waveguides.
    • 本发明涉及能够提高用于抑制SAW产生所需的驱动功率的相互作用效率的声光装置。 根据本发明的声光装置,具有声光效应的基板,形成在基板上的基本上彼此平行以传播光的第一和第二光波导;形成在基板上的用于产生表面声学的换能器 波沿着第一和第二光波导的方向沿传播方向传播,以及声表面波分布结构,用于在与基板上的传播方向垂直的方向上分配来自换能器的表面声波的强度,使得 在与第一和第二光波导的位置对应的两个点处产生最大值。
    • 27. 发明授权
    • Optical waveguide filter
    • 光波导滤波器
    • US06697543B2
    • 2004-02-24
    • US10020412
    • 2001-12-18
    • Hiroshi MiyataTadao Nakazawa
    • Hiroshi MiyataTadao Nakazawa
    • G02B600
    • G02B6/126G02B6/12007G02B2006/1215G02F1/116G02F1/125
    • The present invention aims at providing an optical waveguide filter for reliably selecting light of desired wavelength using polarization mode conversion, to realize a sufficient extinction ratio. To this end, according to the present invention, in an optical waveguide filter provided with an input side polarization splitting section that polarization splits light input to an input waveguide, and outputs to first and second waveguides, a mode converting section that performs polarization mode conversion on only the light corresponding to desired wavelength among the lights being propagated through the first and second waveguides, and an output side polarization splitting section that polarization splits the propagated lights of the respective waveguides having passed through the mode converting section, there is disposed a first polarization splitting section on the first waveguide and a second polarization splitting section on the second waveguide, which are positioned between the input side and output side polarization splitting sections, and a non-split component generated corresponding to a splitting rate in the input side polarization splitting section is eliminated so that only the selected light is output to an output waveguide.
    • 本发明旨在提供一种光波导滤波器,用于使用偏振模式转换可靠地选择所需波长的光,以实现足够的消光比。 为此,根据本发明,在设置有输入侧的偏振分离部的光波导路径滤波器中,所述输入侧偏振分离部使输入到输入波导的光分离,并向第一和第二波导输出,进行偏振模式转换的模式转换部 在仅通过第一和第二波导传播的光中的对应于期望波长的光上,以及输出侧偏振分束部,其使通过模式转换部的各个波导的传播光分离, 第一波导上的偏振分离部和第二波导上的位于输入侧偏振光分离部和输出侧偏振光分离部之间的第二偏振光分离部,以及与输入侧偏振光分离中的分光率相对应地生成的非分割分量 部分被淘汰 只有所选择的光被输出到输出波导。
    • 28. 发明授权
    • Gas sensor
    • 气体传感器
    • US06383355B1
    • 2002-05-07
    • US09597152
    • 2000-06-20
    • Hiroshi Miyata
    • Hiroshi Miyata
    • G01N27407
    • G01N27/4077
    • A gas sensor having improved heat resistance and oil resistance. A portion of a cylindrical cover attached to a metallic shell 29 is formed of a bendable resin tube 50. When the sensor is installed in a location susceptible to oil splashes, a rubber member 54 having intercommunicating holes 58 formed therein can be moved to a position where the rubber member 54 is less susceptible to oil splashes, through appropriate bending of the resin tube 50. Thus, entry of oil into the interior of the sensor is avoided. Also, since the resin tube 50 is bendable, the length of the resin tube 50 can be increased so long as an ambient space around the installed sensor permits, thereby decreasing heat transmitted from the metallic shell 29 to the rubber member 54.
    • 具有改善的耐热性和耐油性的气体传感器。 附接到金属壳体29的圆筒形盖的一部分由可弯曲的树脂管50形成。当传感器安装在易受油溅影响的位置时,具有形成在其中的相互连通的孔58的橡胶构件54可以移动到 其中橡胶构件54通过树脂管50的适当弯曲不太容易受到油溅。因此,避免了将油进入传感器的内部。 此外,由于树脂管50是可弯曲的,所以只要安装的传感器周围的环境空间允许,可以增加树脂管50的长度,从而减少从金属壳29传递到橡胶构件54的热量。