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    • 6. 发明专利
    • 土砂崩落検知システム
    • SEDIMENT COLLAPSE检测系统
    • JP2015193982A
    • 2015-11-05
    • JP2014071140
    • 2014-03-31
    • 株式会社オーシーシー
    • 須藤 康山本 和人吉岡 弘行伊藤 隆一
    • G02B6/44G02B6/00E02D17/20
    • 【課題】構成が簡素で安価に設置でき、土砂の崩落を確実に検知できる土砂崩落検知システムを提供する。 【解決手段】光ファイバ心線22Aに光信号を発信する光源部23と、光ファイバ心線22Bから光信号を受信する光信号を受信する受光部24と、光源部23から発信された光信号を伝達する往路部及び光信号を受光部24へ伝達する復路部を有する光ファイバ心線22A,22Bが金属管21に挿通された光ファイバケーブル16とを備え、金属管21は、長手方向にわたる複数箇所に、外力を受けた場合に金属管21の変形を容易とする低強度部21Aが設けられており、往路部と復路部が一端で折返しループ22Cを有し、光ファイバケーブル16の他端で往路部が光源部23に、復路部が受光部24にそれぞれ接続され、土砂の崩落時に金属管21の低強度部21Aでの変形に伴う光ファイバ心線22A,22Bの断線を受光部24における光信号の遮断により検知する。 【選択図】図3
    • 要解决的问题:提供一种能够以简单的结构廉价安装的沉淀物塌陷检测系统,并且可靠地检测沉积物的塌陷。解决方案:一种沉淀物塌陷检测系统,包括:光源单元23,用于将光信号发送到光 纤维芯线22A; 光接收单元24,用于从光纤芯线22B接收光信号; 以及通过插入包括用于发送源自光源单元23的光信号的前向路径部分的光纤芯线22A,22B和用于将光信号发送到光接收单元24的返回路径部分而获得的光纤电缆16 金属管21包括低强度部分21A,金属管21在长时间的多个位置处容纳外部力时容易变形的金属管21。 前进路径部分和返回路径部分在光缆16的一端具有折回环22C; 前向路径部分和返回路径部分分别连接到光源单元23和光接收单元24。 在沉积物塌陷的情况下,基于在光接收单元24处的光信号的截取来检测伴随着低强度部分21A处的金属管21的变形的光纤芯线22A,22B的断开。
    • 7. 发明专利
    • End structure of optical fiber cable and manufacturing method of end structure
    • 光纤电缆的端部结构和端部结构的制造方法
    • JP2014002189A
    • 2014-01-09
    • JP2012135606
    • 2012-06-15
    • Occ Corp株式会社オーシーシー
    • MATSUMOTO KAZUTAKA
    • G02B6/44G02B6/46H02G1/06H02G1/08H02G15/02
    • PROBLEM TO BE SOLVED: To provide an end structure of an optical fiber cable whose structure is simple and which can be passed through piping and the like easily.SOLUTION: In an end structure of an optical fiber cable, a plurality of optical fiber cords are led out, the plurality of optical fiber cords are externally surrounded with a protective tube, connectors are installed at each end of the plurality of optical fiber cords, and the lead-out length is the length that becomes a prescribed diameter when the connectors are bundled. Also, the end structure of the optical fiber cable includes: a cable fixing part which is installed in the vicinity of the end of the optical fiber cable and holds the optical fiber cable; a traction member fixing part which fixes a traction member; and a protective tube fixing part which joins the cable fixing part and the traction member fixing part to both ends of the protective tube, and fixes the protective tube.
    • 要解决的问题:提供结构简单并且可以容易地通过管道等的光缆的端部结构。解决方案:在光缆的端部结构中,多根光纤线是 多个光纤线被外部包围保护管,连接器安装在多条光纤线的两端,导出长度为连接器捆扎时成为规定直径的长度 。 另外,光纤电缆的端部结构包括:电缆固定部,其安装在光缆的端部附近并保持光纤电缆; 牵引构件固定部,其固定牵引构件; 以及保护管固定部,其将电缆固定部和牵引构件固定部连接到保护管的两端,并固定保护管。
    • 8. 发明专利
    • Submarine observation system
    • JP5352827B2
    • 2013-11-27
    • JP2009087685
    • 2009-03-31
    • 株式会社オーシーシー
    • 浩央 高橋和正 根本弘行 吉岡
    • G01V1/22G08C15/00G08C19/00
    • PROBLEM TO BE SOLVED: To reduce the number of lines for transmitting sensor signals in a sea-floor observation system. SOLUTION: This sea-floor observation system includes a terminal device 41 for transmitting/receiving an information signal and receiving a sensor signal, a repeater casing 28 having a built-in multiplexing transmission device 13 for multiplexing the sensor signal, a plurality of sensor casings 2a-2d having built-in sensor devices 12a-12d for detecting a physical phenomenon in a sea floor and emitting a sensor signal, and a sea-floor cable 25 having a common sensor signal line 252 for connecting the multiplexing transmission device 13 to the terminal device 41 and a plurality of sensor signal lines 253 and 254 for connecting the multiplexing transmission devices 13 to the plurality of sensor devices 12a-12d. By connecting the terminal device 41 to the termination of the sea-floor cable 25, the terminal device 41, the repeater casing 28, and each of the plurality of sensor casings 2a-2d are interconnected in series through the sea-floor cable 25. COPYRIGHT: (C)2011,JPO&INPIT
    • 9. 发明专利
    • Water gauge system
    • 水表系统
    • JP2013036775A
    • 2013-02-21
    • JP2011171071
    • 2011-08-04
    • Occ Corp株式会社オーシーシー
    • NEMOTO KAZUMASA
    • G01F23/18
    • PROBLEM TO BE SOLVED: To provide a water gauge system capable of measuring a water level by a simple constitution.SOLUTION: In a water gauge system 100, light incident from a light source 1 is propagated through an optical cable 41 and reaches a port 31 of an optical circulator 3. The light reaching the port 31 is outputted from a port 32 and propagated through an optical cable 43 and reaches a total reflection mirror 5. All light reaching the total reflection mirror 5 is reflected and propagated as reflected light again through the optical cable 43 and reaches the port 32. The reflected light reaching the port 32 is outputted from a port 33 and propagated through an optical cable 42 and reaches an optical power meter 2. When the optical cable 43 is arranged on a water bottom in which a water level is measured, water pressure is applied to an optical fiber 43a of the optical cable 43 and loss proportional to the water pressure is generated in the propagated light. Since the water pressure is proportional to a water level, the water level can be measured by measuring the optical power of the reflected light outputted from the port 33 by the optical power meter 2.
    • 要解决的问题:提供一种能够通过简单的结构测量水位的水表系统。 解决方案:在水位计系统100中,从光源1入射的光通过光缆41传播并到达光环行器3的端口31.到达端口31的光从端口32输出, 通过光缆43传播并到达全反射镜5.到达全反射镜5的所有光都通过光缆43再次作为反射光反射并传播并到达端口32.输出到端口32的反射光 从端口33通过光缆42传播并到达光功率计2.当光缆43布置在测量水位的水底上时,将水压施加到光学光学器件的光纤43a 在传播的光线中产生电缆43和与水压成正比的损失。 由于水压与水位成比例,所以可以通过光功率计2测量从端口33输出的反射光的光功率来测量水位。(C)2013,JPO&INPIT
    • 10. 发明专利
    • Connection structure of metal pipe-sheathed optical fiber cable
    • 金属管材光纤电缆连接结构
    • JP2012093527A
    • 2012-05-17
    • JP2010240287
    • 2010-10-27
    • Occ Corp株式会社オーシーシー
    • SAKAMOTO AKIHIROSUDO YASUSHI
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide a connection structure of a metal pipe-sheathed optical fiber cable that secures sufficiently large tensile strength and torsional strength.SOLUTION: There is provided the connection structure of the metal pipe-sheathed optical fiber cable which has an optical fiber 1 sheathed with metal pipes, the connection structure of the metal pipe-sheathed optical fiber cable having two metal pipes 2 connected to each other by welding ends of a metallic sleeve 3, externally attached over ends of the two metal pipes 2, to the ends of the respective metal pipes at end edges thereof. The ends of the sleeve 3 and the ends of the metal pipes 2 are subjected to plastic deformation processing so that the ends of the sleeve 3 and the ends of the metal pipes 2 are both reduced in diameter at places within end ranges thereof in overlap regions having ranges in an axial direction thereof and at positions different from the end edges of the sleeve 3 in the axial direction, and the end edges of the sleeve 3 are welded after the plastic deformation processing is carried out to achieve the diameter reduction until the end edges come into contact with the metal pipes 2 over the entire peripheral region.
    • 要解决的问题:提供一种确保足够大的抗拉强度和抗扭强度的金属管护套光缆的连接结构。 解决方案:提供金属管护套光缆的连接结构,该光缆具有用金属管覆盖的光纤1,金属管护套光纤电缆的连接结构具有两个金属管2连接到 通过将两个金属管2的端部外部附接的金属套筒3的端部焊接到各个金属管的端部边缘的端部。 套管3的端部和金属管2的端部进行塑性变形处理,使得套筒3的端部和金属管2的端部在其重叠区域的端部范围内的直径减小 在轴向方向上具有范围,并且在轴向方向上与套筒3的端部边缘不同的位置,并且在进行塑性变形处理之后,套筒3的端部边缘被焊接以实现直径减小直到最终 边缘在整个周边区域上与金属管2接触。 版权所有(C)2012,JPO&INPIT