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| Number | Title | Issue Date |
| 8140292 | Method and system for controlling a voltage waveform A method of automating a process for controlling a voltage waveform applied to an object is provided. A first waveform for applying to the object is received. A first FFT of the first waveform is calculated. A second waveform for input to the waveform generator is d... | 03/20/2012 |
| 8044678 | Device for simulating rectified constant impedance load and method thereof The device for simulating a rectified constant impedance load provide by the present invention is to test a power product and comprises an analog-digital converter, a digital signal processor, a digital-analog converter, and an active electrical load module in order... | 10/25/2011 |
| 7925465 | Low power scan testing techniques and apparatus Disclosed below are representative embodiments of methods, apparatus, and systems used to reduce power consumption during integrated circuit testing. Embodiments of the disclosed technology can be used to provide a low power test scheme and can be integrated with a ... | 04/12/2011 |
| RE41618 | Method and system of automatic bandwidth detection A method for measuring a bandwidth of a signal path between a data source and a data recipient involves sending a block of test data from the data source along the signal path to the data recipient, using that test data to obtain a measured bandwidth of the signal p... | 08/31/2010 |
| 7769558 | Digital waveform generation and measurement in automated test equipment A waveform generation and measurement module that may be used in automated test equipment. The waveform generation and measurement module includes high speed SERDES (or other shift registers) that are used to digitally draw a test waveform. Additional high speed SER... | 08/03/2010 |
| 7672804 | Analog signal test using a-priori information A method and a corresponding system for testing an analog signal under test includes using knowledge of at least one parameter of the signal under test. The method includes generating a reference signal using the knowledge of at least one parameter of the signal und... | 03/02/2010 |
| 7623984 | Test apparatus and electronic device There is provided a test apparatus for testing a device under test. The test apparatus includes first and second period generators that respectively generate test period signals indicating test periods for testing the device under test, a plurality of input/output s... | 11/24/2009 |
| 7577542 | Method and apparatus for dynamically adjusting the resolution of telemetry signals One embodiment of the present invention provides a system that dynamically adjusts data resolution during proactive-fault-monitoring in a computer system. During operation, the system temporarily stores high-resolution data for a telemetry signal from the computer s... | 08/18/2009 |
| 7433527 | Time series data dimensional compression apparatus A time series data dimensional compression apparatus performing dimensional compression for improving the efficiency of searching for time series data without losing the features of data. The compression is made to a determined dimension so that a larger volume of i... | 10/07/2008 |
| 7430479 | System and method for analyzing content data The system and method provide security and cargo handling personnel a versatile tool to rapidly check cargo for hidden radiological materials, explosives, drugs, and chemical weapons material. Gamma ray emission is stimulated by a pulsed neutron source. The gamma ra... | 09/30/2008 |
| 7424406 | Filter characteristic measuring method and system Described are a filter characteristic measuring method and system capable of measuring a gain of an analog filter adapted in a DUT (Device Under Test) and a frequency response at a high speed, wherein the filter characteristic measuring method includes the steps of ... | 09/09/2008 |
| 7412338 | Radio frequency device within an energy sensor system An energy measurement system including a radio frequency (“RF”) device powered by a solar panel. The RF device comprising a wireless communication port operative to transmit and receive communication over a wireless network of additional RF devices. The energy m... | 08/12/2008 |
| 7409308 | Method and device for verifying output signals of an integrated circuit A system and method for testing an integrated circuit is provided. In one embodiment, a method includes comparing the signal level of the output signal of the integrated circuit to the signal level of a reference signal, wherein a comparison signal is output, which ... | 08/05/2008 |
| 7397865 | Systems and methods of using IQ modulation for calibration or measurement A system analyzer may generate an estimated frequency response of a device, system, communication medium, or combination thereof by utilizing a stimulus signal that is robust against IQ modulator impairments. A stimulus generator may be used to generate a plurality ... | 07/08/2008 |
| 7395170 | Methods and apparatus for data analysis A method and apparatus for data analysis according to various aspects of the present invention is configured to automatically select one or more outlier identification algorithms for identifying statistical outliers in test data for components. ... | 07/01/2008 |
| 7359822 | Testing device A testing device that tests an electronic device includes a test pattern outputting unit operable to output a test pattern to the electronic device, a deciding unit operable to decide whether an output signal from the electronic device satisfies a predetermined cond... | 04/15/2008 |
| 7353137 | Shoe-based weight measuring system A shoe-based weight measuring system, comprising: a shoe; one or more weight sensitive detectors constructed and arranged with the shoe to sense weight of a person wearing the shoe and walking or standing; a processor for processing signals from the detectors to det... | 04/01/2008 |
| 7349827 | System and method for reporting website activity based on inferred attribution methodology A method and system for reporting website activity. According to an example embodiment, the system receives event-level data representing visitor activity through navigation entities on a client website, infers attribution of one or more metrics to at least one navi... | 03/25/2008 |
| 7342524 | Waveform generator, waveform shaper, and testing apparatus There is provided a waveform generator that generates a waveform. The waveform generator includes: a lamp waveform generating section that generates a lamp wave of which a signal value linearly changes for a predetermined period; a square wave generating section tha... | 03/11/2008 |
| 7337066 | System and method for automated baseline correction for Raman spectra A system and method for automated baseline correction for Raman spectra is disclosed which may operate as a piecewise-linear baseline correction function. In an embodiment, a first set of data points from a Raman spectrum are determined to be baseline data points, a... | 02/26/2008 |
| 7323898 | Pin electronics driver Circuitry for driving a pin includes a first resistive circuit connected to the pin, a first transistor circuit to connect the first resistive circuit to a logic level voltage in response to a trigger voltage, the first transistor circuit and the first resistive cir... | 01/29/2008 |
| 7319705 | Programmable pre-emphasis circuit for serial ATA A high-speed serial ATA physical layer transmits data over a communications medium using a serial ATA protocol. A serial ATA control circuit controls operation of the serial ATA physical layer. A serial ATA multiplexer outputs a serial ATA signal and has a plurality... | 01/15/2008 |
| 7317294 | Pulse generator and method thereof A pulse generator and method thereof. The pulse generator may include a first switching unit receiving a plurality of receiving a plurality of time interval indicators and a first selection signal. The first switching unit may select one of the plurality of time int... | 01/08/2008 |
| 7313492 | Method and device for increasing the dynamic range and measuring accuracy of a measuring device for spectrum and/or network analysis A method and a device for increasing the dynamic range and measuring accuracy of a measuring device for spectrum and/or network analysis images a high-frequency electronic signal within a frequency range into at least two spectra through a first frequency translatio... | 12/25/2007 |
| 7313498 | Device and method for testing an electrical circuit A method and device for testing an electrical circuit, which do not require a thorough electrical circuit simulation but reliably identifying circuit faults. Preferred embodiments generate a fault signal that indicates that a given state of the circuit, which is def... | 12/25/2007 |
| 7310581 | Bulk material analyzer system A real-time bulk material analyzing system is disclosed for analyzing the elemental characteristics of bulk material passing by the system on a moving conveyor belt. An exemplary embodiment includes a source of illumination emitting white light for exciting bulk mat... | 12/18/2007 |
| 7301484 | Data decoder A method, apparatus and computer program for decoding a data stream. The method comprises the steps of acquiring an analog data signal, determining an initial polarity of the analog data signal, determining a threshold transition level, determining a plurality of tr... | 11/27/2007 |
| 7295961 | Method for generating a circuit model The present invention includes a method for generating a model of a circuit having an input port and an output port. The method determines an amplitude for current leaving the output port at a frequency ωk when a signal that includes a carrier at ω... | 11/13/2007 |
| 7285946 | Pattern trigger in a coherent timebase A method and apparatus for acquiring a signal employing a coherent timebase are provided. The method comprises the steps of defining a pattern length count of a repetitive pattern in a signal to be acquired, defining a number of samples per unit interval, and provid... | 10/23/2007 |
| 7275004 | Method and apparatus to perform on-die waveform capture An integrated circuit is provided that includes a first port to receive a first signal from a first channel and a first device coupled to the first port to modify a channel response of the first signal received from the first channel. A waveform capture device may b... | 09/25/2007 |
| 7272539 | Representation generation method, representation generation device, and representation generation system Unique representation, such as music or image full of originality, is generated in relation to a specific data sequence such as a telephone number. A music generation server 10 is provided with a material table TA in which material data associated with... | 09/18/2007 |
| 7265694 | System and method for successive approximation A system and method for providing successive approximation, such as can be used by a successive approximation converter or by a coherent undersampling digitizer. The system comprising a memory having a successive approximation value and a comparison system configure... | 09/04/2007 |
| 7262714 | Interpolating encoder utilizing a frequency multiplier An encoder having a detector and an optical system that generates an image of a code strip on the detector is disclosed. The image includes a plurality of light and dark stripes, the detector generating a plurality of sinusoidal signals differing in phase from one a... | 08/28/2007 |
| 7260515 | Method and apparatus for simulating transparent latches A method and apparatus for cycle-based simulation of a transparent latch includes classifying a phase of the transparent latch, classifying a phase of an input to the transparent latch, and classifying a phase of a simulation cycle. The transparent latch is simulate... | 08/21/2007 |
| 7254171 | Equaliser for digital communications systems and method of equalisation Equalisation of a communication channel is achieved through use of a Wiener filter frequency response mechanism that operates to transform at least a portion of a data stream generated from a plurality of space time coded (STC) symbol streams received from a plurali... | 08/07/2007 |
| 7251577 | Realtime power mask trigger A realtime power mask trigger generator for an instrument that acquires data in response to a trigger signal integrates power amplitudes over a defined bandwidth within a frequency spectrum for an input signal to produce an average signal power, and compares the ave... | 07/31/2007 |
| 7250772 | Method and apparatus for characterizing a signal path carrying an operational signal A method of characterizing a signal path includes (i) generating a reference spread-spectrum signal; (ii) coupling the reference spread-spectrum signal into the signal path while the signal path is carrying an operational signal; (iii) receiving a reflected spread-s... | 07/31/2007 |
| 7248987 | Signal processing system for sensor A signal processing system for a sensor for judging whether an event to be detected has occurred on the basis of a frequency of a sensor output includes a converting device for converting the sensor output into a square wave, a presuming device for presuming whether... | 07/24/2007 |
| 7236899 | Micro-magnetization analysis program, method, and apparatus A micro-magnetization analysis program, method, and apparatus which can analyze transitional change of a micro-magnetization state while one of a plurality of magnetic substances such as a recording medium and a recording head is moved in an arbitrary direction. An ... | 06/26/2007 |
| 7236905 | Test apparatus and power supply circuit A power circuit which can reduce power consumption. More specifically, a testing apparatus for testing an electronic device which includes: a pattern generation unit for generating a test pattern which is supplied to the electronic device; a power supply circuit for... | 06/26/2007 |
