• US7453563B2 Device and method for detecting scratches

    The present invention relates to a device for detecting scratches, in particular on a transparent material surface, such as glass, with an illumination device and a reception device which detect a scanning line on the surface of the material and which are displaceable relative to the material surface, and a related method.

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  • CN102116661A Method for detecting dynamic stock level in

    The invention relates to a method for detecting the dynamic stock level in a stock bin limit position in an image processing manner based on a digital camera and an auxiliary lighting device. By shooting images of a stock bin and processing the images in real time, the real time monitoring of the dynamic stock level is completed, and an ultralimit alarm for the stock level is realized.

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  • Selecting a Measurement Sensor Keyence

    Although systems with two sensors are common, measurement with one sensor is possible if the position of one side is pre-determined or the target is transparent. The best measurement method for an application will depend on the specific conditions and additional options may be available. Contact your nearest sales office with any questions.

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  • Detection method and feature of Photoelectric Sensors

    Detection method and feature of Photoelectric Sensors. Classification. Thrubeam. Detection occurs when the target crosses the optical axis between transmitter and receiver. ?Long-detecting distance. ?Stable detecting position. ?Opaque objects detectable regardless of shape, color or material. ?Powerful beam.

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  • New Method to Detect Ultrasound with Light | News

    Feb 13, 2017 路 New Method to Detect Ultrasound with Light. After nearly three years of work, they created the plastic Micro-ring resonator, a transparent device that is 60 micrometers in diameter and 1 micron high. There is movement toward using it with patients. The team continues to improve the device with support from Northwestern,.

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  • Method of detecting the position of aircraft using radio

    Method of detecting the position of aircraft using radio pulses Lets find possible answers to "Method of detecting the position of aircraft using radio pulses" crossword clue. First of all, we will look for a few extra hints for this entry: Method of detecting the position of aircraft using radio pulses.

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  • A new sensor system for simultaneously detecting the

    A new sensor system for simultaneously detecting the position and incident angle of a light spot Article in Journal of Optics A Pure and Applied Optics 4(6):S391 路 November 2002 with 14 Reads.

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  • A Method to Control LED Blinking for Position Detection of

    Devised a method to detect the positions of such devices by using a camera. To detect the positions our method blinks the LEDs on the devices according to their ID. Additionally, we propose sev-eral methods to shorten the time for detection. An experimental evaluation con?rmed that compared with conventional method our methods reduce the time to detect the positions of the devices. Categories and Subject.

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  • Displacement Sensors Measurement Sensors Omron

    Transparent objects) ? Determining pin pitch ? Detecting bar positions: Laser Scanning Method The sensor performs measurements by emitting a laser beam while scanning a small diameter laser beam from the emitter. The sensor measures the time that an object blocks the beam as the width of the object, and then calculates the outer diameter of the object. Laser.

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  • infrared Detecting absolute position Electrical

    Detecting absolute position. If you mark a point on a pen, and then you rotate the pen along its major axis, that point can be facing any direction along a 2 dimensional plain. For instance on a clock the "hand" can point in any direction along the plane that the clock is mounted on.

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  • A Dozen Ways to Measure Fluid Level and How They Work

    Dec 01, 2004 路 The simplest and oldest industrial level measuring device is, of course, the sight glass. A manual approach to measurement, sight glasses have always had a number of limitations. The material used for its transparency can suffer catastrophic failure, with ensuing environmental insult, hazardous conditions for personnel, and/or fire and explosion.

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  • Systems Used for Aircraft Detection | Aircraft Wiki

    Heat Detection Edit Another way of detecting if an aircraft is flying somewhere is by measuring the heat it radiates. Normally this heat . InfraRed Detection. is produced by the planes engines. There are two significant sources of infrared radiation from air-breathing propulsion systems: hot parts and jet wakes.

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  • A Sensorless Method for Detecting Spool Position in

    In technical literature methods for estimating the position of the solenoid鈥檚 plunger are vast [1]-[10]. Rahman et. al. [2] proposed the concept of incremental inductance which is measured on successive PWM (pulse width modulation) periods, although position estimation could not.

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  • How to detect left and right tilt of an android device

    Mar 22, 2015 路 How to detect left and right tilt of an android device mounted with an accelerometer? Ask Question will be enough, since you can detect accurately a change in that axis position, since even any small movement will do a change in the axis. But, if your application is only reading that axis, and the user has the phone almost vertical, the.

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  • The study of detecting method for impurity in transparent

    The inspecting methods of impurities and small foreign bodies in the liquid at home and abroad mainly include light-blockage method, light scattering method, X-ray method, and the method based on machine vision , , , , , . However, practice has proved the previous methods are not suitable for high needs of the liquid impurities online detection.

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  • How to make the canvas detect touch input properly in C

    Feb 07, 2014 路 int taps = 0; // create var to detect number of times, user touches the screen // Constructor public MainPage() { InitializeComponent(); } // method to register the touch as the finger is placed on the screen private void Canvas_MouseLeftButtonDown(object sender,.MouseButtonEventArgs e) { //Canvas c = sender as Canvas;.

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  • Method and apparatus for detecting abnormalities in

    An apparatus for detecting abnormalities in spatial perception that consists of a first transparent screen in a close-vision field and a second screen seen through the first one and located in a far-vision field of a person being tested. The apparatus is provided with devices for forming images.

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  • On the possibility of detecting local refractive index

    @article{osti_22373359, title = {On the possibility of detecting local refractive index changes in optically transparent objects by means of a point nanoantenna attached to a fibre microaxicon}, author = {Kulchin, Yu N and Vitrik, O B and Kuchmizhak, A A}, abstractNote = {It is shown theoretically that the use of the spectral registration of the dipole local plasmon resonance (DLPR.

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  • Systems Used for Aircraft Detection | Aircraft Wiki

    One of the widely used detection system. consist ofending bursts of radio waves of certain frequencies and measure the echos of each burst. Parts of the energy of radio waves are being reflected by objects.

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  • The study of detecting method for impurity in transparent

    The study of detecting method for impurity in transparent liquid Article in Optik - International Journal for Light and Electron Optics 125(1):499-503 路 January 2014 with 20 Reads DOI: 10.1016/j.

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  • A Sensorless Method for Detecting Spool Position in

    Estimate the inductance and position of the device. With the help of auxiliary coils attached to the main windings of the actuator, an attempt is presented in [10] to determine the position through flux linkage reconstruction. Under certain working conditions varying external forces might be present on the solenoid鈥檚 plunger, e.g. formulated.

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  • How to detect left and right tilt of an android device

    Mar 22, 2015 路 4 Answers. You can use the accelerometer and magnetic field sensor to accomplish this. You can call this method in your OnSensorChanged method to detect if the phone was tilt upwards. This currently only works if the phone is held horizontally. Check the actual blog post for a.

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  • ASTM F1929 15 Standard Test Method for Detecting Seal

    1.1 This test method defines materials and procedures that will detect and locate a leak equal to or greater than a channel formed by a 50 渭m (0.002 in.) wire in package edge seals formed between a transparent material and a porous sheet material. A dye penetrant solution is applied locally to the seal edge to be tested for leaks.

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  • 4th 1st Q3 Flashcards | Quizlet

    Start studying 4th 1st Q3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. Create. A motor ? is a device that governs the performance of an electric motor in a predefined manner. Two position selector switches with maintained contacts are the most common type of selector switches.

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  • Detection of Plunger Movement in DC Solenoids White Paper

    This paper proposes a method to detect the movement of the plunger in solenoid which is immune to temperature variation. The method utilizes the current profile of the solenoid due to motion Back EMF to detect the plunger movement. In this paper modeling and characterization of.

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  • US Patent for Contact detecting device display device

    The contact detecting device according to claim 2, further comprising a detection processing unit that receives input of a plurality of the detection signals from the plural detection circuits and specifies, according to processing on a bitmap obtained by time-sampling the input plural detection signals, a center of gravity position of a bit.

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