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| Number | Title | Issue Date |
| 7974510 | Optical waveguide having a core with a polarization-independent, spatially reconfigurable refractive index A waveguide having a spatially-variable refractive index is disclosed. The waveguide having a spatially-variable refractive index comprises a light-propagating medium and a non-uniform distribution of liquid crystal material in a matrix of dielectric material locate... | 07/05/2011 |
| 7947454 | Methods and apparatus for characterizing polynucleotides Systems and methods for analysis of polymers, e.g., polynucleotides, are provided. The systems are capable of analyzing a polymer at a specified rate. One such analysis system includes a structure having a nanopore aperture and a molecular motor, e.g., a polymerase,... | 05/24/2011 |
| 7899646 | Method for comparing a value to a threshold in the presence of uncertainty A method for deciding the relationship between a physical property and a threshold, comprising measuring a physical property to obtain a measured value, calculating the distribution of actual values for the physical property, calculating the error distribution of th... | 03/01/2011 |
| 7572999 | Inductively-coupled plasma torch for simultaneous introduction of gaseous and liquid samples To provide an inductively-coupled plasma torch capable of realizing a GC analysis or the like and a solution analysis by the same torch without removing a capillary tube, etc. The injector tube of the inductively-coupled plasma torch includes an outer injector tube ... | 08/11/2009 |
| 7442964 | Photonic crystal light emitting device with multiple lattices A semiconductor light emitting device includes a photonic crystal structure that is a lattice of holes in the semiconductor layers. The photonic crystal structure includes multiple lattices. In some embodiments, the device includes a first lattice formed on a first ... | 10/28/2008 |
| 7366049 | Apparatus and method for updating data in a dual port memory A dual port memory is updated at substantially the same data sampling rate as a clock frequency of the dual port memory. The dual port memory stores data relating to each different parameter value in a stream of data samples, and provides the stored data from an add... | 04/29/2008 |
| 7362149 | Zero crossing detection and correction upon a distorted primary AC power line voltage Zero crossings for a non-symmetrical VIN may be determined by first amplifying and clipping VIN to create a non-symmetrical square wave whose zero crossings are those of VIN. A selected polarity edge of the non-symmetrical square wav... | 04/22/2008 |
| 7330044 | Method and apparatus for semiconductor testing A semiconductor testing system including an input; a display; multiple testing units; a memory in which is stored multiple applications that specify the operating procedure of the testing units and multiple categories that are related to the applications; and a cont... | 02/12/2008 |
| 7330528 | System and method for parallel image reconstruction of multiple depth layers of an object under inspection from radiographic images A system and method are provided which enable parallel image reconstruction of multiple depth layers of an object. More specifically, a system and method are provided in which pixels are captured for an object and such pixels are processed to reconstruct voxels for ... | 02/12/2008 |
| 7327202 | Optimization for an IQ modulator An IQ modulator's performance is optimized through determination of suitable control parameters by the application of known DC biases as the I and Q inputs. Also known are the relative amplitude and actual phase of the sine and cosine carriers to be modulated before... | 02/05/2008 |
| 7319940 | Method for managing semiconductor characteristic evaluation apparatus and computer program therefor A management method for data in a semiconductor characteristic evaluation apparatus comprised of a control unit, a memory unit, and input/output units includes steps for selecting the workspace including the test programs for testing a plurality of wafer types, for ... | 01/15/2008 |
| 7317999 | Method of mapping linearly spaced spectrum points to logarithmically spaced frequency and a measuring apparatus using the method A method for mapping a spectrum obtained from signals under test corresponding to linearly spaced frequencies to logarithmically spaced frequencies in a measuring apparatus. A spectrum within a predetermined frequency range from logarithmically spaced frequencies is... | 01/08/2008 |
| 7317518 | Determination of an optical property of a DUT by OTDR measurement The present invention relates to an apparatus and to a method of determination of an optical property of a DUT, in particular of an optical fiber, by means of OTDR, comprising the steps of: coupling an initial optical signal into the DUT, detecting a response signal... | 01/08/2008 |
| 7313179 | Minimizing windowing effects in particular for signal recovery A measured signal, such as a high-speed digital pulse, transmitted through a system is corrected. The measured signal is sampled to a sampled signal sequence, and a signal series is provided as a plurality of the sampled signal sequences put together successively. T... | 12/25/2007 |
| 7312435 | Determination of a physical state of an optical device The present invention relates to a determination of a physical state of an optical device by measuring a response signal. At least two subsequent measurements are executed. Therefore, a first optical signal is transmitted to the optical device, wherein a firs... | 12/25/2007 |
| 7313108 | Service usage records for mobile data communications A method of creating service usage records summarising usage of mobile data communications services, comprises monitoring message packets traversing a signalling link between a serving support node and a gateway support node, these message packets including packets ... | 12/25/2007 |
| 7298211 | Power amplifying apparatus A push-pull amplifier includes a pair of transistors, wherein each of the transistors has a control terminal, a first terminal, and a second terminal. A current that flows between the first terminal and the second terminal is controlled in accordance with signals ap... | 11/20/2007 |
| 7298155 | Probing apparatus A probing apparatus includes a mechanism apparatus. The mechanism apparatus includes a base body, a vibration absorber, a shifting mechanism, and a stage connected via the base body to a ground terminal. A probe, positioned over the stage, is connected to a measurem... | 11/20/2007 |
| D555525 | Test instrument | 11/20/2007 |
| 7286951 | Externally controllable electronic test program Disclosed is a product that provides a test executive program for controlling tests on a device under test that is separate and distinct from the test executive system. The product may be embodied in a media storing instructions that direct a processing unit to 1) p... | 10/23/2007 |
| 7278329 | Chromatography system with blockage determination There is provided a method that includes, (a) monitoring a pressure on a fluid being conveyed through an intake tube into a chamber by a pump, (b) determining a deviation of the pressure from a predefined value, (c) determining a blockage of the intake tube based on... | 10/09/2007 |
| D551847 | Instrument case | 10/02/2007 |
| 7276336 | Methods of fabricating an addressable array of biopolymer probes A method of fabricating an addressable array of biopolymer probes on a substrate according to a target array pattern using a deposition apparatus, and a deposition apparatus which can execute the method and computer program products for the apparatus. The deposition... | 10/02/2007 |
| 7277354 | Apparatus and method for updating data in a dual port memory A dual port memory is updated at substantially the same data sampling rate as a clock frequency of the dual port memory. The dual port memory stores data relating to each different parameter value in a stream of data samples, and provides the stored data from an add... | 10/02/2007 |
| 7278061 | Building packets of data for testing a communication network A system for building a packet of test data for testing a communications network comprises a characterizing component which describes one or more protocols by providing one or more rules which are used to build the packet of test data. The system also includes a pac... | 10/02/2007 |
| 7277820 | Apparatus and method for generating a complementary cumulative distribution function (CCDF) curve In apparatus for generating a Complementary Cumulative Distribution Function (CCDF) curve for an input signal, an analog to digital converter (ADC) samples the input signal at sampling points to provide a parameter value corresponding to a desired parameter of the i... | 10/02/2007 |
| 7277532 | Call monitoring apparatus and method therefor In a signalling network employing the SS7 signalling protocol, it is known to use masks to mine CDR stores in order to obtain data for analysis in respect of a particular customer of a communications network associated with the signalling network. However, the use o... | 10/02/2007 |
| 7265700 | Method and apparatus for extracting individual pulses from an input signal Digital samples corresponding to a pulsed input signal are provided from an ADC to a memory for storage and to a pulse extraction circuit. The pulse extraction circuit detects the leading and trailing edges of pulses in the input signal. The digital samples are stor... | 09/04/2007 |
| 7262626 | Connection apparatus and cable assembly for semiconductor-device characteristic measurement apparatus A connection apparatus includes a switch; a control signal connector that transmits a switching signal, sent from a controller, to the switching means; a first plurality of connectors that are connected to the switch and that are to be connected to a plurality of me... | 08/28/2007 |
| 7260136 | Multiple laser cavity A method of using at least a part of a cavity for a first and at least one second laser includes providing a first laser beam to the part of the cavity, splitting the first beam into a first and a second part, splitting the first part into a third and a fourth part,... | 08/21/2007 |
| 7260168 | Network measurement method and apparatus The apparatus measures timing variations, such as the jitter or wander in a timing signal (100) of a telecommunications network. A recovered clock signal is sampled and digitized to produce a series of digital clock samples which are then processed (135 | 08/21/2007 |
| 7248200 | Analog to digital conversion method using track/hold circuit and time interval analyzer, and an apparatus using the method An analog signal is sampled; a reference signal synchronized to the sampling is generated; the sampling result is compared to said reference signal; the time interval from the sampling point to the time the comparison result satisfies the prescribed condition is acq... | 07/24/2007 |
| 7243670 | Microfluidic system A microfluidic system, particularly a microfluidic chip, with at least one operational channel, in which a fluid and/or the constituents contained therein are moveable in the direction of the operational channel by a driving force, particularly by using pressure, ac... | 07/17/2007 |
| 7242200 | System for measuring FET characteristics An FET-characteristic measuring system applies a pulse output from a pulse generator to the gate of an FET in order to measure drain current flowing through the FET. The pulse has a voltage based on a set voltage. The measuring system includes a divider for dividing... | 07/10/2007 |
| 7242590 | Electronic instrument system with multiple-configuration instrument modules An electronic instrument system uses a “DualPlay” concept comprising first and second mutually-exclusive modes of operation. The system includes an instrument module having first and second communications channels, each for linking the instrument module to one o... | 07/10/2007 |
| 7242698 | Wavelength tunable laser with dispersive element A laser being tunable in wavelength includes a first reflecting unit and a second reflecting unit, both reflecting units being arranged to at least partially reflect an incident beam of electromagnetic radiation towards each other, an optical path of said beam of el... | 07/10/2007 |
| 7238890 | PTFE stud for ultrahigh-value resistor and method therefor A PTFE stud for an ultrahigh-value resistor includes a first portion to be mounted on a substrate and a second portion attached to the first portion so as to not be in contact with the surface of the substrate. The first portion is formed of insulating material and ... | 07/03/2007 |
| 7238485 | Methods and apparatus for characterizing polynucleotides Systems and methods for analysis of polymers, e.g., polynucleotides, are provided. The systems are capable of analyzing a polymer at a specified rate. One such analysis system includes a structure having a nanopore aperture and a molecular motor, e.g., a polymerase,... | 07/03/2007 |
| 7230444 | Method for measuring characteristics of FETs In an FET-characteristic measuring method, a predetermined bias voltage output from an output terminal of a bias tee is applied to the drain of an FET, and a pulse output from a pulse generator is applied to the gate thereof to thereby cause drain current to be gene... | 06/12/2007 |
| 7227254 | Integrated circuit package A packaged IC includes an IC die with signal and signal complement traces positioned relative to each other to maximize broadside coupling for a matching impedance. The signal and signal complement traces are electrically connected to transmission or receive channel... | 06/05/2007 |
