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| Application No. | Application Title | Issue Date |
| 20120049838 | Water quality indicator using light emitting diodes, rheostat and plug A novel electronic device is described herein that can be manufactured for a cost of less than $10.00, and that can be used by an inexperienced person to measure the TDS in an aqueous solution such as tap water and the conductivity/resistivity of a variety of other subs... | 03/01/2012 |
| 20120025853 | SOLID STATE SENSOR FOR METAL ION DETECTION AND TRAPPING IN SOLUTION A device, apparatus and method for trapping metal ions and detecting metal ion contamination in a solution provide a semiconductor device formed on a semiconductor substrate and including an N-well formed over a P-type substrate and at least a contact portion of the N-w... | 02/02/2012 |
| 20120007584 | FIBER CURRENT SENSOR WITH REDUCED TEMPERATURE SENSITIVITY A sensor head assembly is provided, comprising a quarter wave device having shape-induced-birefringence and a sensing coil coupled to the quarter wave device and operable to wind around a current conductor. The quarter wave device converts linearly polarized light from ... | 01/12/2012 |
| 20110285383 | METHOD OF MEASURING TERAHERTZ WAVE AND APPARATUS THEREFOR In a measurement of a time-domain waveform of a terahertz wave based on time-domain spectroscopy, a current signal including a component originating from the terahertz wave is detected using a photoconductive device, and a voltage signal corresponding to the detected cu... | 11/24/2011 |
| 20110279109 | TEST APPARATUS AND TEST METHOD There is provided a test apparatus for testing a device under test, including a test signal generator that generates a test signal to test the device under test, an electric-photo converter that converts the test signal into an optical test signal, an optical interface ... | 11/17/2011 |
| 20110260709 | Energy Monitoring Device A device, system and method for monitoring a switchable load operably coupled to a positionable switch. The device including a face plate mountable on the positionable switch, a sensor mounted on the face plate, wherein the sensor is configured to detect the position of... | 10/27/2011 |
| 20110234202 | OPTICAL VOLTAGE SENSOR A polarizing optical system (15, 16) is disposed perpendicular to an optical axis of incoming light from a light source (12), having the optical axis (12) as a center axis, and configured for polarization of incoming light to a prescribed reference ... | 09/29/2011 |
| 20110227559 | Electric field measuring device The electric field measuring device measures an electric field intensity of an electromagnetic wave generated from equipment under test 8 in an area for detecting an electromagnetic wave. An antenna 1 and an optical intensity modulator having a Mach-Zehnde... | 09/22/2011 |
| 20110127992 | SOLAR SIMULATOR AND A MEASURING METHOD OF A MULTI-JUNCTION PHOTOVOLTAIC DEVICES The present invention provides a solar simulator that measures characteristics of multi junction photovoltaic devices for a short time, and a measuring method of a multi-junction photovoltaic devices using the simulator. The measurement met... | 06/02/2011 |
| 20110127991 | SENSOR DEVICE, METHOD OF DRIVING SENSOR ELEMENT, DISPLAY DEVICE WITH INPUT FUNCTION AND ELECTRONIC UNIT A sensor device includes sensor elements arranged in a matrix form, and a sensor driving section driving the sensor elements. Each of the sensor elements includes a photoelectric conversion element generating electric charge, a storage node storing electric charge, to s... | 06/02/2011 |
| 20110115469 | OPTICAL FIBER ELECTRIC CURRENT SENSOR, ELECTRIC CURRENT MEASUREMENT METHOD, AND FAULT ZONE DETECTION APPARATUS An optical fiber electric current sensor includes a polarization-splitter (13) that splits light outputted from a sensor fiber (11) into two polarization planes of which polarization directions are perpendicular to each other, a depolarizer (17) tha... | 05/19/2011 |
| 20110084688 | 3-PHASE FARADAY OPTICAL CURRENT SENSOR ASSEMBLY The object of the invention is to provide a method and a system for fixating a Faraday optical current sensor (12a, 12b, 12c) in a suitable measurement position for measuring the current in a 3-phase cable (14). The 3-pha... | 04/14/2011 |
| 20110074393 | TEMPERATURE COMPENSATED FIBER OPTIC CURRENT OR MAGNETIC FIELD SENSOR WITH INSENSITIVITY TO VARIATIONS IN SENSOR PARAMETERS A fiber optic current or magnetic field sensor uses a sensing fiber in a coil for measuring a current or a magnetic field and has a retarder for converting between linearly polarized light and elliptically polarized light. The retardation of the retarder; its temperatur... | 03/31/2011 |
| 20110072858 | METHOD FOR MANUFACTURING A FIBER OPTIC CURRENT SENSOR WITH INHERENT TEMPERATURE COMPENSATION OF THE FARADAY EFFECT A method is provided for tuning the fiber optic retarder of a fiber optic current sensor towards a desired temperature dependence, the sensing fiber is exposed to a magnetic field or corresponding electric current and the sensor signal as well as the signal's dependence... | 03/31/2011 |
| 20110062944 | FARADAY OPTICAL CURRENT SENSOR ARRANGEMENT A Faraday optical current sensor arrangement for measuring the current through a power line comprises a Faraday optical current sensor (38) having an elongated and substantially cylindrical shape defining a first end and a second end opposite the first end. The F... | 03/17/2011 |
| 20110050207 | HIGH VOLTAGE MEASUREMENT DEVICE USING POLED FIBERS Two transversely poled fibers are disclosed which can be wound around a holder with their poling directions being anti-parallel. A coupling exchanges the polarization directions of the modes of the fibers. Thermally and mechanically caused birefringence changes can ther... | 03/03/2011 |
| 20110043187 | METHOD AND CIRCUIT FOR TRACKING MAXIMUM POWER OF A PHOTO-VOLTAIC ARRAY A method and a circuit for tracking maximum power of a photo-voltaic array performs the operation of load increase/decrease with a preset current difference and determines if the photo-voltaic array operates at zone A or zone B based on change of the output voltage befo... | 02/24/2011 |
| 20110037454 | CdSe QUANTUM DOTS DOPED OPTICAL FIBER AND A CURRENT SENSOR USING THE SAME Disclosed is an optical fiber for a current sensor, the optical fiber comprising a core doped with CdSe quantum dots and a current sensor using the same.... | 02/17/2011 |
| 20110025351 | COMBINED ELECTRICAL AND OPTICAL SENSOR FOR FLUIDS The present invention relates to a sensor for the detection of an analyte, comprising a fluid holder (8), an optical detection system (3, 9) for carrying out an optical detection at the fluid holder (8) and an electrical detection system (4) ... | 02/03/2011 |
| 20110026872 | DEVICE FOR APPLYING A FIBER-OPTIC MONITORING SYSTEM TO A COMPONENT TO BE MONITORED An adapter device for applying a fiber-optic monitoring system to a component to be monitored includes a shell adapted to surround the component to be monitored, the shell having a rounded exposed surface onto which a first optical fiber of the fiber-optic monitoring sy... | 02/03/2011 |
| 20100295538 | Monitoring circuit, method for outputting monitor signal, and optical receiver A monitoring circuit of the present invention provides a monitor signal with which a magnitude of a current flowing across a photodetector, such as a photodiode, can be calculated accurately over a wide temperature range on the basis of a value of the monitor signal. Th... | 11/25/2010 |
| 20100283450 | Particle detection Particle detection and characterising apparatus has an insulating tube (50) along which the particles flow. Five electrodes (51, 52, 55, 56) and (57) spaced along the outside of the tube are connected via amplifiers (61) and (62) to a ... | 11/11/2010 |
| 20100283452 | Apparatus and Method for Measuring Real Time Clock Accuracy in an Electric Meter An arrangement for measuring an internal clock within an electricity meter includes an optical communication circuit within the meter, an optical detector external to the meter, and a frequency counter. The optical communication circuit within the electricity meter is o... | 11/11/2010 |
| 20100283451 | Optically measuring electric field intensities An apparatus includes an optical resonator and a passive optical device. The optical resonator has first and second optical reflectors and an optical cavity interposed between the reflectors. The optical resonator includes an electro-optically responsive material. One o... | 11/11/2010 |
| 20100271004 | FARADAY EFFECT CURRENT SENSOR The present invention relates to a Faraday sensor assembly comprising a first light guiding element adapted to guide electromagnetic radiation along a first propagation direction, and a second light guiding element adapted to guide electromagnetic radiation along a seco... | 10/28/2010 |
| 20100256937 | METHOD USING TIME TO DIGITAL CONVERTER FOR DIRECT MEASUREMENT OF SET PULSE WIDTHS The disclosure provides for a method for identifying and measuring a signal pulse induced in a microcircuit due to ionizing radiation. The method comprises locating an ionizing radiation induced pulse across a microcircuit using a plurality of sensors on the microcircui... | 10/07/2010 |
| 20100253320 | OPTICAL FIBER ELECTRIC CURRENT SENSOR AND ELECTRIC CURRENT MEASUREMENT METHOD An optical fiber electric current sensor includes a polarization splitter (13) that splits output light from a sensor fiber (11) into two polarization components of which polarization planes intersect with each other; and a signal processing unit (15 | 10/07/2010 |
| 20100201374 | High speed detection of shunt defects in photovoltaic and optoelectronic devices The current invention provides a shunt defect detection device that includes a device under test (DUT) that is fixedly held by a thermally isolating mount, a power source disposed to provide a directional bias condition to the DUT, a probe disposed to provide a localize... | 08/12/2010 |
| 20100201345 | TIME STRETCH ENHANCED RECORDING SCOPE A time-stretched enhanced recording scope (TiSER) is described using time stretch analog-to-digital conversion in a real-time burst mode. A chirped optical signal is modulated in response to receiving segments of an input signal. The optical signal with its modulated in... | 08/12/2010 |
| 20100194410 | SENSOR FOR SENSING AN ANALYTE AND COMBINATION OF THE SENSOR AND AN OPTICAL READER A sensor array for detecting the content of a fluid sample comprises first and second electrodes having connections for a drive signal. The first electrode is coated with a layer of a first material having optical properties which change according to the electrical char... | 08/05/2010 |
| 20100194379 | OPTICAL FIBER ELECTRIC CURRENT MEASUREMENT APPARATUS AND ELECTRIC CURRENT MEASUREMENT METHOD In a reflection type optical fiber electric current measurement apparatus, a standardization reference signal (Xr), which is defined by the intensity (Pr) of the optical reference signal transmitted through a partial transmission mirror by using a reflector (111B... | 08/05/2010 |
| 20100183224 | METHOD AND SYSTEM FOR EVALUATING CURRENT SPREADING OF LIGHT EMITTING DEVICE Disclosed are a method and system for evaluating current spreading of a light emitting device. The method includes applying current to a light emitting device and acquiring a luminescence image corresponding to a digital signal, converting the luminescence image into a ... | 07/22/2010 |
| 20100156430 | Measuring instrument for photovoltaic systems The present invention relates to a measuring instrument for a photovoltaic system; the system is of the type comprising at least one photovoltaic module (FM1; FM2) and at least one conversion module (CM1; CM2) connected to the output of the p... | 06/24/2010 |
| 20100153033 | JUNCTION-PHOTOVOLTAGE METHOD AND APPARATUS FOR CONTACTLESS DETERMINATION OF SHEET RESISTANCE AND LEAKAGE CURRENT OF SEMICONDUCTOR A junction-photovoltage method and apparatus for contactless determination of an electrical/physical parameter of a semiconductor structure having at least one p-n junction located at a surface is disclosed. In one aspect, the method includes illuminating the surface wi... | 06/17/2010 |
| 20100141263 | SYSTEM AND METHOD FOR TESTING AN IMAGE SENSOR USING GRADATION IMAGE CAPTURE A gradation image capture is used to test one or more image sensors. The integration periods for the rows of pixels in the array, or for groups of rows of pixels, are varied during each single still frame image capture. The S rows of pixels are reset either simultaneous... | 06/10/2010 |
| 20100109642 | OPTICAL VOLTAGE TRANSFORMER An optical voltage transformer is connected with an external electric device and includes a primary electrode to which a measured voltage is applied by the external electric device, a first secondary electrode provided oppositely to the primary electrode, an insulation ... | 05/06/2010 |
| 20090289617 | OPTICAL VOLTAGE SENSOR A voltage sensor includes two optical sensing fibers and a control unit. The sensing fibers carry a first mode of light and a second mode of light, which are orthogonally polarized, with a birefringence between the two modes depending on the electric voltage to be measu... | 11/26/2009 |
| 20090287446 | PHOTOVOLTAIC CELL REFERENCE MODULE FOR SOLAR TESTING The present invention generally includes an apparatus and method of forming a reference module device that is able to deliver a repeatable and desirable amount of power that does not degrade or change over time. The reference module can be used to help test and calibrat... | 11/19/2009 |
| 20090273337 | ELECTRIC FIELD SENSOR WITH ELECTRODE INTERLEAVING VIBRATION An electric field sensor comprising: a substrate having a hole; a shielding electrode and a sensing electrode, disposed in the hole of the substrate; a piezoelectric bar having one end connected to the center of the shielding electrode, the other end fixed on the substr... | 11/05/2009 |
| 20090261810 | SIMULATOR SYSTEM AND METHOD FOR MEASURING CURRENT VOLTAGE CHARACTERISTIC CURVES OF A SOLAR CONCENTRATOR A simulator system for simulating operation of a solar panel is disclosed which comprises a solar panel, a reflector positioned across from the solar panel, a light source positioned adjacent to the solar panel for directing light from the light source to the reflector ... | 10/22/2009 |
