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    • 22. 发明公开
    • SYSTEM AND METHOD FOR DETERMINING STRAIN CHANGES OF AN OPTICAL FIBRE
    • EP4063800A1
    • 2022-09-28
    • EP22163057.7
    • 2018-12-18
    • SAAB AB
    • Josefsson, RoyEckerström, Daniel
    • G01D5/353G01K11/3206G01D3/10G01L1/24
    • The invention relates to a method for determining strain changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of:
      - emitting (s410) light into said optical fibre (250) in a first direction (D1) from said first detector arrangement (210), receiving reflections from said (FBG) patterns of such emitted light by said first detector arrangement (210), and processing said reflections for determining a current strain change related to said optical fibre (250);
      - on the basis of predetermined criteria, emitting (s440) light into said optical fibre (250) in an opposite, second, direction (D2) from said second detector arrangement (220), receiving reflections from said (FBG) patterns of such emitted light by said second detector arrangement (220), and processing said reflections for determining a current strain change related to said optical fibre (250).
      The invention relates also to a computer program product comprising program code (P) for a computer (233; 243; 253; 500) for implementing a method according to the invention. The invention relates also to a system (289) for determining strain changes of an optical fibre (250). The invention also relates to a platform (100) being equipped with the system (289).
    • 25. 发明公开
    • A MONITORING SYSTEM BASED ON ETCHING OF METALS
    • 基于金属蚀刻的监控系统
    • EP3293493A1
    • 2018-03-14
    • EP17183456.7
    • 2009-06-04
    • Patel, G
    • Patel, G
    • G01D3/10
    • G01D3/10G01K3/04G01N31/224G01N31/229
    • Compositions, devices and processes related to etching of a very thin layer or fine particles of a metal are disclosed for monitoring a variety of parameters, such as time, temperature, time-temperature, thawing, freezing, microwave, humidity, ionizing radiation, sterilization and chemicals. These devices have capabilities of producing a long and sharp induction period of an irreversible visual change. The devices are composed of an indicator comprising a very thin layer of a metal (e g, polyester film having an extremely thin, e g, about one hundred Angstroms layer of aluminum) and an activator, e g, a reactant, such as water, water vapor, an acid, a base, oxidizing agent or their precursors, which is capable of reacting with the said indicator. The indicator retains its opacity and metallic luster, e g, silvery white, mirror like finish of aluminum layer for a long time. The activator destroys the indicator layer including the naturally formed oxide layer.
    • 公开了与蚀刻极薄层或金属细颗粒有关的组合物,装置和工艺,用于监测各种参数,例如时间,温度,时间 - 温度,融化,冷冻,微波,湿度,电离辐射,灭菌 和化学品。 这些设备具有产生不可逆的视觉变化的长而诱人的诱导期的能力。 这些装置由指示器组成,该指示器包括非常薄的金属层(例如,具有非常薄的,例如约100埃的铝层的聚酯膜)和活化剂,例如反应物,例如水,水蒸气 ,酸,碱,氧化剂或它们的前体,其能够与所述指示剂反应。 该指示器长时间保持其不透明性和金属光泽,例如银白色,像铝层一样的镜面。 活化剂破坏包括天然形成的氧化物层的指示剂层。
    • 26. 发明授权
    • VEHICLE METER INDICATOR DEVICE
    • 车辆仪表指示装置
    • EP2980535B1
    • 2017-09-27
    • EP15178862.7
    • 2015-07-29
    • HONDA MOTOR CO., LTD.
    • TETSUKA, TakashiKITAJIMA, Takeshi
    • G01D3/10G01D7/06G01M15/04
    • G01M15/046B60K2350/352G01D1/00G01D3/10G01D7/06
    • To show an image with minimal sense of discomfort felt by an occupant without quickening an updating cycle of an on-screen image. [Solving Means] Virtual data generation means 117 making up a vehicle meter indicator device 82 generates virtual data based on an arbitrary engine rotation speed Ned between an engine rotation speed Nem proportional to an image currently shown on a liquid crystal display device 28 and a latest engine rotation speed Ner rather than display data based on the latest engine rotation speed Ner immediately before updating if the engine rotation speed Ner declines. This allows the liquid crystal display device 28 to show the generated virtual data on a liquid crystal panel 78 as a virtual image for updating.
    • 在不加快屏幕图像的更新周期的情况下显示乘客感觉到的最小不舒适感的图像。 [解决方法]组成车辆仪表指示装置82的虚拟数据生成装置117基于与当前显示在液晶显示装置28上的图像成比例的发动机旋转速度Nem和最新的 如果发动机转速Ner下降,则基于紧接在更新之前的最新发动机转速Ner的显示数据而不是基于发动机转速Ner。 由此,液晶显示装置28将生成的虚拟数据显示在液晶面板78上作为更新用的虚拟图像。
    • 28. 发明公开
    • VRS interface with 1/t arming function
    • VRS-Schnittstelle mit 1 / T-Sicherheitsfunktion
    • EP2674726A2
    • 2013-12-18
    • EP13169572.8
    • 2013-05-28
    • Freescale Semiconductor, Inc.
    • Pigott, JohnBrauchler, Fred TEdwards, William E.Garrard, MikeGray, RandallHall, John M.
    • G01D3/10G01D5/20
    • G01D5/2013
    • A variable reluctance sensor system (100, 400) for processing a variable reluctance sensor signal (VRS, VRSS) including an arming comparator (108) and an arming circuit (112, 412). The arming comparator compares the variable reluctance sensor signal with an arming threshold (ATH) which decreases proportional to 1/t from a predetermined maximum level (ATH MAX) and asserts an armed signal (ARM) when the variable reluctance sensor signal reaches the arming threshold. The arming threshold may be decreased based on a scaling factor multiplied by 1/t to ensure detection of each pulse of the variable reluctance sensor signal. The arming threshold may decrease to a predetermined minimum level (ATH MIN) sufficiently low to intersect the variable reluctance sensor signal and sufficiently high relative to an expected noise level. The arming threshold is reset (RST) in response to a timing event, such as zero crossing (ZD) of the variable reluctance sensor signal.
    • 一种用于处理包括布防比较器(108)和布防电路(112,412)的可变磁阻传感器信号(VRS,VRSS)的可变磁阻传感器系统(100,400)。 布防比较器将可变磁阻传感器信号与从预定最大电平(ATH MAX)与1 / t成正比的布防阈值(ATH)进行比较,并且当可变磁阻传感器信号达到布防阈值时,断言一个布防信号(ARM) 。 可以基于乘以1 / t的比例因子来减小布防阈值,以确保检测可变磁阻传感器信号的每个脉冲。 布防阈值可以降低到足够低以与可变磁阻传感器信号相交并且相对于预期噪声电平足够高的预定最小电平(ATH MIN)。 响应于定时事件(例如可变磁阻传感器信号的过零点(ZD)),复位门限值(RST)。