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Patent Searching and Data


Matches 251 - 300 out of 9,645

Document Document Title
WO2003073222A3
A method and apparatus for calibrating an oscilloscope and storing the calibration results for further use. Accordingly, an oscilloscope is provided with a calibration cache database for storing various calibration curves and their assoc...  
WO2003091674A3
Apparatus and methods are provided for reducing coherent noise in measurements of repetitive analog signal waveforms by digital signal averagers. A conventional DSA (30) being used to record the time-dependent signal (5) constituting a p...  
WO2003060615A3
At least one exemplary embodiment of the present invention includes a method comprising obtaining a first frequency and a second frequency. The method also comprises creating a table of values comprising a plurality of target frequencies...  
WO2002041493A3
A method and apparatus for configuring and performing processing in a digital oscilloscope. The method comprises the steps of receiving one or more instructions and defining a plurality of processing elements (760) based upon the receive...  
WO2002045213A3
A clockless time-of-flight interval timer includes a tapped delay line register comprising N buffers that each contribute a substantially identical incremental time delay. A latched version of a START pulse associated with an output of t...  
WO2003034077A3
A method of probing voltage comprises: establishing electrical connectivity between a conductor (805) to be probed and a first terminal of a photoconductive switch (600); during a sampling interval n, applying a laser pulse (830) to the ...  
WO/2003/102873A1
An oscilloscope, comprising a diplay (100), a display controller for controlling information to be displayed on the display, and an acquisition system for acquiring a sequence of waveforms (105). Two or more of the sequentially acquired ...  
WO2003065633A3
An improvement apparatus and method for interfacing a time variant waveform between two hardware environments. In one aspect, the invention comprises a circuit (800) for accurately simulating the output of one or more types of sensing de...  
WO2003044543A3
A system (100) that measures a segment of a waveform by isolating the segment by virtue of gating (10). A waveform anomaly may be gated. The gated waveform is supplied to a plurality of frequency information extractors (16, 18, 20), whic...  
WO/2003/091674A2
Apparatus and methods are provided for reducing coherent noise in measurements of repetitive analog signal waveforms by digital signal averagers. A conventional DSA (30) being used to record the time-dependent signal (5) constituting a p...  
WO2003050651A3
A method and apparatus for displaying measurements of a waveform as icons on an oscilloscope. A plurality of analog acqusition signals C1 may be acquired by the oscilloscope of the invention. These acquisition signals are acquired in acc...  
WO2003016924A3
An oscilloscope adapter for a portable electronic device includes a hardware interface connector and a computer program memory. The memory stores computer program instructions that to direct the electronic device to collecting data repre...  
WO/2003/073317A1
A digital signal processing system (1) capable of compensating for frequency response variations (5) and generating a response characteristic (8) that complies with a provided specification (14). The system automatically generates digita...  
WO/2003/073222A2
A method and apparatus for calibrating an oscilloscope and storing the calibration results for further use. Accordingly, an oscilloscope is provided with a calibration cache database for storing various calibration curves and their assoc...  
WO/2003/065633A2
An improvement apparatus and method for interfacing a time variant waveform between two hardware environments. In one aspect, the invention comprises a circuit (800) for accurately simulating the output of one or more types of sensing de...  
WO/2003/060615A2
At least one exemplary embodiment of the present invention includes a method comprising obtaining a first frequency and a second frequency. The method also comprises creating a table of values comprising a plurality of target frequencies...  
WO/2003/054726A1
A decimation system and decimation circuit for decimating waveform data on an oscilloscope. The decimation circuit is implemented using sixteen parallel 16-to-1 multiplexers connected in parallel to a data bus which selectively captures ...  
WO/2003/054802A1
A method and apparatus for defining, configuring and performing a custom processing function in a digital oscilloscope. The custom processing function is programmed by the operator using a programming language. The custom function may be...  
WO/2003/052430A1
The aim of the invention is to graphically represent the I and/or Q components of digitally modulated high frequency signals. To this end, said I or Q components measured in a temporally successive manner are graphically represented side...  
WO/2003/050765A1
A method for displaying a compacted data signal, comprising the steps (Fig. 1) of acquiring a data signal comprising a plurality of data values&semi computing a compaction table based upon said acquired data signal&semi generating a min&...  
WO/2003/050961A2
A method for synchronizing a plurality of sub-systems (110 and 120), comprising the steps of measuring a relationship between a divider (112 or 122) associated with each of the plurality of sub-systems(110 or 120) : and adjusting a phase...  
WO/2003/050651A2
A method and apparatus for displaying measurements of a waveform as icons on an oscilloscope. A plurality of analog acqusition signals C1 may be acquired by the oscilloscope of the invention. These acquisition signals are acquired in acc...  
WO/2003/050548A1
An oscilloscope apparatus, comprising a display for displaying a plurality of objects (520), a toolbar displayed on the display (530), and a user interface for selecting an object. The display displays one or more functions on the toolba...  
WO/2003/050796A1
An oscilloscope apparatus for scaling and displaying persistence data using interpolation. The oscilloscope apparatus acquires a waveform and accumulates persistence data of the acquired waveform in a results buffer. The size of the pers...  
WO/2003/044543A2
A system (100) that measures a segment of a waveform by isolating the segment by virtue of gating (10). A waveform anomaly may be gated. The gated waveform is supplied to a plurality of frequency information extractors (16, 18, 20), whic...  
WO/2003/044542A1
The invention is concerned with a binary voltage indicator for use with high- or medium voltage equipment. The indicator comprises a photoactive layer (5) which changes its reflectivity or emissivity when subjected to an electric field a...  
WO/2003/034077A2
A method of probing voltage comprises: establishing electrical connectivity between a conductor (805) to be probed and a first terminal of a photoconductive switch (600); during a sampling interval n, applying a laser pulse (830) to the ...  
WO2002097373A3
A display for displaying acquired waveforms (110) from an oscilloscope. An x-axis measurement (120) designating time during an acquisition trace, a y-axis measurement (150) designating one or more acquisition traces, and a z-axis measure...  
WO/2003/025596A2
An on-board self test system for an electrical power monitoring device includes a test signal circuit in an electronic circuit of the monitoring device, and responsive to a programmable test input signal for producing an analog signal si...  
WO2002041009A3
A method and apparatus for saving the operational settings of an instrument. The method comprises the steps of initiating the saving operation, initializing, by each software object, any additional software objects below each softwear ob...  
WO2002041102A3
A method and apparatus for generating a graphical representation of a processing web 100 of an instrument. The method comprises the steps of determining a first processing element of the processing web and placing the first processing el...  
WO/2003/016924A2
An oscilloscope adapter for a portable electronic device includes a hardware interface connector and a computer program memory. The memory stores computer program instructions that to direct the electronic device to collecting data repre...  
WO2002041103A3
An oscilloscope apparatus and method of processing waveform data using a streaming architecture. The apparatus has multiple processing objects (processors) that share a common cache memory in which the waveform data is stored during proc...  
WO/2003/012464A1
A data reduction circuit serves as a post-processor for digitized waveform data, providing reduced data sets for subsequent processing. Preferably, the data reduction circuit receives one or more potentially long sequences of digital wav...  
WO/2003/012613A1
A storage unit stores a plurality of function menu data corresponding to a plurality of function menu items over a plurality of pages used for instructing execution of a plurality of different functions for processing measurement data of...  
WO/2003/012467A1
A circuit generates a test signal useful in verifying the actual delay values of individual delay stages in a digital delay line. In general, the cumulative delay of the delay line defines a window in time having its zero point anchored ...  
WO2002097451A8
A circuit tester for both 14-volt and 42-volt automotive electrical systems includes a housing with a probe tip at one end and a ground connector at the other end. A battery-powered voltage detection circuit in the housing includes a plu...  
WO/2002/097373A2
A display for displaying acquired waveforms (110) from an oscilloscope. An x-axis measurement (120) designating time during an acquisition trace, a y-axis measurement (150) designating one or more acquisition traces, and a z-axis measure...  
WO/2002/097451A1
A circuit tester for both 14-volt and 42-volt automotive electrical systems includes a housing with a probe tip at one end and a ground connector at the other end. A battery-powered voltage detection circuit in the housing includes a plu...  
WO/2002/093181A1
A waveform detector having a signal processing function for producing an output waveform by detecting, by characterizing, a transient state variation having no periodic repetition or by subjecting an input waveform to 1/f fluctuation con...  
WO/2002/079787A1
An impulsive transient detection and data acquisition coprocessor for use with a power monitoring device having a processor for performing data sampling and reporting at a given rate. The coprocessor has a processor, an interface for acc...  
WO/2002/059632A1
A waveform digitizer device which is provided with N pieces of A/D converters connected in an interleave configuration when the number of interleave phases is N (at least 2), samples a sampling timing of each A/D converter at a specified...  
WO/2002/045213A2
A clockless time-of-flight interval timer includes a tapped delay line register comprising N buffers that each contribute a substantially identical incremental time delay. A latched version of a START pulse associated with an output of t...  
WO/2002/041102A2
A method and apparatus for generating a graphical representation of a processing web 100 of an instrument. The method comprises the steps of determining a first processing element of the processing web and placing the first processing el...  
WO/2002/041088A1
A method and apparatus for governing the internal operation of an instrument. A plurality of analog signals (C1) are acquired by the oscilloscope. These signals are controlled by an control module (112) in accordance with various probes ...  
WO/2002/041493A2
A method and apparatus for configuring and performing processing in a digital oscilloscope. The method comprises the steps of receiving one or more instructions and defining a plurality of processing elements (760) based upon the receive...  
WO/2002/041103A2
An oscilloscope apparatus and method of processing waveform data using a streaming architecture. The apparatus has multiple processing objects (processors) that share a common cache memory in which the waveform data is stored during proc...  
WO/2002/041009A2
A method and apparatus for saving the operational settings of an instrument. The method comprises the steps of initiating the saving operation, initializing, by each software object, any additional software objects below each softwear ob...  
WO2001094955A3
A microwave and millimeter-wave electric-field mapping system based on electro-optic sampling has been developed using micromachined Gallium Arsenide crystals mounted on gradient index lenses and single-mode optical fibers. The probes ar...  
WO/2002/019150A1
The invention pertains to systems that sample a continuous analog time-domain signal. The invention is particularly applicable to systems whose analog components have a bandwidth limit below that desired or specified. The invention has b...  

Matches 251 - 300 out of 9,645