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    • 2. 发明专利
    • Method of manufacturing sapphire single crystal
    • 制造SAPPHIRE单晶的方法
    • JP2008031019A
    • 2008-02-14
    • JP2006208653
    • 2006-07-31
    • Shinkosha:Kk株式会社信光社
    • MOCHIZUKI KEISUKESHIMURA HISASHIKAWAMINAMI SHUICHI
    • C30B29/20C30B17/00H01L33/26
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a sapphire single crystal appropriate for a white LED, various electronic devices and the like. SOLUTION: A large-sized and high quality sapphire single crystal S is formed by melting a raw material (aluminum oxide) in a container 3 disposed at the inside of a single crystal growing apparatus 1, contacting a seed crystal 5 of sapphire to the liquid surface of an aluminum oxide molten liquid 4, thereafter rotating the seed crystal 5 at a peripheral speed of 0-12 mm/sec, growing the seed crystal 5 while descending a temperature of a furnace 2 at a rate of 0.2-2°C/hr after contacting it at the aluminum oxide molten liquid 4 so that the pulling distance d of the seed crystal 5 is less than 0-20% of a liquid surface height h1 of the aluminum oxide molten liquid 4, and hardening a molten aluminum oxide. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种适用于白色LED的蓝宝石单晶的制造方法,各种电子器件等。 解决方案:通过将设置在单晶生长设备1内部的容器3中的原料(氧化铝)熔化而形成大尺寸和高质量的蓝宝石单晶S,与蓝宝石晶种5接触 然后以0-12mm /秒的圆周速度旋转晶种5,同时以0.2-2的速度降低炉2的温度,从而种植晶种5 与氧化铝熔融液4接触后的℃/ hr,使得晶种5的拉拔距离d小于氧化铝熔融液4的液面高度h1的0〜20%,使熔融 氧化铝 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Optical fiber sensor
    • 光纤传感器
    • JP2006284275A
    • 2006-10-19
    • JP2005102360
    • 2005-03-31
    • Shinkosha:Kk株式会社信光社
    • FUKAWA TAKASHISHIMIZU AYAKOYAMAMOTO YASUTAKUBOMURA SHOJI
    • G01F23/14G02F1/01G02F1/09
    • PROBLEM TO BE SOLVED: To provide an inexpensive optical fiber sensor of a simple constitution capable of reliable detection. SOLUTION: Liquid level pressure associated with changes in a liquid level W is directly received by a diaphragm 2 covering an opening part of a bottom part of a case 1. A pressing rod body 3 is erected in an inner surface of the diaphragm to convert the changes into vertical movements of the pressing rod body. An upper end part of the pressing rod body rising upward presses up and deflects a lower part of a fiber loop part 4 to cause losses in light signals transmitted through a fiber loop. On the side of light reception of an optical fiber 5, the quantity of state of an object to be monitored is measured on the basis of changes in the amount of loss (optical intensity) of light signals in the optical fiber to detect changes in the liquid level. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种廉价的具有能够可靠检测的简单结构的光纤传感器。 解决方案:与液面W的变化相关联的液位压力由覆盖壳体1的底部的开口部分的隔膜2直接接收。按压杆体3竖立在隔膜的内表面 将变化转换成按压杆体的垂直运动。 按压杆体的上端部向上方上升并使光纤回路部4的下部偏转,导致通过光纤回路传输的光信号的损失。 在光纤5的光接收侧,基于光纤中的光信号的损耗量(光强度)的变化来测量待监视对象的状态量,以检测光纤中的变化 液位。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Monitoring and control system
    • 监控系统
    • JP2008014731A
    • 2008-01-24
    • JP2006184978
    • 2006-07-04
    • Shinkosha:Kk株式会社信光社
    • FUKAWA TAKASHI
    • G01M11/00G01D21/00G08C15/00G08C23/04
    • PROBLEM TO BE SOLVED: To allow monitoring and control in a monitoring point, based on a measured result, by simple constitution. SOLUTION: This monitoring and control system is provided with an OTDR 5 for emitting a light pulse, the first and second laser diodes 6a, 6b for emitting different wavelengths λ1, λ2 of signal lights, a photomultiplexing part 8 for multiplexing the pulse light and the respective signal lights to be propagated to an optical fiber 3 of a main line, and the first and second monitors 2a, 2b provided in the optical fiber 3, the respective monitors 2a, 2b are provided with luminous energy branching parts 9a, 9b and wavelength demultiplexing parts 10a, 10b provided in the optical fiber 3, the first and second sensors 11a, 11b connected to the luminous energy branching parts, and the first and second displays 14a, 14b connected to the wavelength demultiplexing parts, the wavelength λ1 of signal light corresponds to the first display 14a, and the wavelength λ2 of signal light corresponds to the second display 14b. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:根据测量结果,通过简单的结构允许在监控点进行监视和控制。

      解决方案:该监视和控制系统设置有用于发射光脉冲的OTDR 5,用于发射信号光的不同波长λ1,λ2的第一和第二激光二极管6a,6b,用于多路复用脉冲的光复用部分8 光和相应的信号光传播到主线的光纤3,并且设置在光纤3中的第一和第二监视器2a,2b,各个监视器2a,2b设置有光能分支部分9a, 9b和设置在光纤3中的波长解复用部分10a,10b,连接到光能分支部分的第一和第二传感器11a,11b以及连接到波长解复用部分的第一和第二显示器14a,14b,波长λ1 信号光对应于第一显示器14a,信号光的波长λ2对应于第二显示器14b。 版权所有(C)2008,JPO&INPIT

    • 8. 发明专利
    • Monitoring system by otdr
    • OTDR监控系统
    • JP2008014698A
    • 2008-01-24
    • JP2006184156
    • 2006-07-04
    • Shinkosha:Kk株式会社信光社
    • FUKAWA TAKASHI
    • G01M11/00
    • PROBLEM TO BE SOLVED: To enhance reliability of monitoring with simple constitution.
      SOLUTION: This monitoring system is constituted of an OTDR 1, a plurality of 2×2 couplers 3 connected via an optical fiber 2 of a main line, 2×1 3dB couplers 5 connected to the respective couplers, and a reflection type sensor 4 connected to the respective 3dB couplers, a light pulse from the OTDR 1 is branched by the 2×2 couplers 3 and can reach the reflection type sensor 4 via the 2×1 3dB coupler 5 through a 1-side of the coupler 3, and the light pulse can reach the reflection type sensor 4 via the 2×1 3dB coupler 5 through a 2-side of the coupler 3.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:以简单的结构提高监控的可靠性。

      解决方案:该监视系统由OTDR 1,通过主线的光纤2连接的多个2×2耦合器3,连接到各个耦合器的2×1 3dB耦合器5和反射型 传感器4连接到相应的3dB耦合器,来自OTDR 1的光脉冲由2×2耦合器3分支,并且可以经由耦合器3的1侧的2×3dB耦合器5到达反射型传感器4 ,光脉冲可以通过2×1 3dB耦合器5通过耦合器3的2侧到达反射型传感器4.版权所有(C)2008,JPO&INPIT

    • 9. 发明专利
    • Heat dissipation structure of optical isolator
    • 光学隔离器的散热结构
    • JP2007065289A
    • 2007-03-15
    • JP2005251271
    • 2005-08-31
    • Shinkosha:Kk株式会社信光社
    • OCHI YUZOKUBOMURA SHOJI
    • G02B27/28
    • PROBLEM TO BE SOLVED: To obtain stable optical characteristics by suppressing temperature rise of a Faraday element without spoiling the function of an optical isolator. SOLUTION: An isolator holder 2 is stored in an outside heat conductive cover member 3, and a magneto-optical crystal film 12, first and second heat conductive parts 6, 7, 8, and 9, polarizers 15 and 16, and a magnet 18 are disposed in the isolator holder 2, and bendable radiation fins 10 and 11 are provided in a part of the second heat conductive parts 8 and 9, and the first heat conductive parts 6 and 7 are attached to both faces of the magneto-optical crystal film 12, and the second heat conductive parts 8 and 9 are disposed on the outside of the first heat conductive parts, and the radiation fins 10 and 11 are passed through guide opening parts 2a, 2b of the isolator holder 2 and guided to the the outside of the outside heat conductive cover member from the drawing opening 3c of the outside heat conductive cover member, and outer end parts 10a and 11a are brought into contact with external grooves 4d and 5d. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过抑制法拉第元件的温度升高而不损害光隔离器的功能来获得稳定的光学特性。 解决方案:隔离器保持器2存储在外部导热盖构件3中,并且磁光晶体膜12,第一和第二导热部6,7,8和9,偏振器15和16以及 在隔离器支架2上配置有磁铁18,在第二导热部8,9的一部分设有可弯曲的散热片10,11,第一导热部6,7分别安装在磁铁 光学晶体膜12,第二导热部8,9设置在第一导热部的外侧,散热片10,11通过隔离支架2的导向开口部2a,2b,引导 从外部导热性盖部件的拉出口3c向外侧导热性盖部件的外侧,外部端部10a,11a与外部槽4d,5d接触。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Optical reed switch
    • 光电开关
    • JP2006276544A
    • 2006-10-12
    • JP2005096691
    • 2005-03-30
    • Shinkosha:Kk株式会社信光社
    • FUKAWA TAKASHIYAMAMOTO YASUTAKUBOMURA SHOJI
    • G02B26/02H01H36/00
    • PROBLEM TO BE SOLVED: To provide an optical reed switch which is simple in configuration and can be downsized.
      SOLUTION: When a magnet 9 ascends, the magnetic force of the magnet acts on magnetic reeds 6 and 7, contact point parts 6a and 7a of the magnetic reeds, which are originally separated from each other, are made contact to each other, thus an shielding pin 7b of the magnetic reed 7 shields the optical path formed between the incident/emitting part 3 of an optical fiber 2 and a reflection body 4 which is provided facing to the optical fiber, the optical emitted from the incident/emitting part and reflected on the reflection body does not return to the incident/emitting part. On the other hand, when the magnet 9 descends and the magnetic force does not act on the magnetic reeds 6 and 7, the contact point parts 6a and 7a of the magnetic reeds separate from each other, the shielding pin 7b of the magnetic reed 7 retracts from the optical path, thus the optical reflected on the reflection body is made incident on the incident/emitting part.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种结构简单且尺寸小的光学舌簧开关。 解决方案:当磁体9上升时,磁体的磁力作用在磁簧6和7上,原来彼此分离的磁簧的接触点部分6a和7a彼此接触 因此,磁筘7的屏蔽销7b屏蔽形成在光纤2的入射/发射部分3和面向光纤的反射体4之间的光路,从入射/发射发射的光 部分反射在反射体上不会返回到事件/发射部分。 另一方面,当磁体9下降并且磁力不作用在磁簧6和7上时,磁簧片的接触点部分6a和7a彼此分离,磁筘7的屏蔽销7b 从光路缩回,因此反射体上反射的光被入射到入射/发射部分。 版权所有(C)2007,JPO&INPIT