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7620513 |
Optical time domain reflectometer, and optical fiber measuring method and optical fiber measuring system using the same
In order to easily and efficiently carry out various characteristic evaluations of optical fibers which have been laid down, a table file which is for carrying out association of optical fibers...
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7580037 |
Techniques for graphical analysis and manipulation of circuit timing requirements
Techniques for organizing and displaying timing data derived from an EDA tool are provided that allows users to easily extract, analyze, and manipulate portions of the timing data relevant to...
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7516028 |
User-placed marks in a long record length waveform
A test and measurement instrument includes a memory configured to store a digitized signal, a display configured to display the digitized signal, a mark interface configured to generate a mark...
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7495578 |
Multipurpose interface for an automated meter reading device
An improved automated meter reading (AMR) device includes only a single electrical connection rather than multiple electrical connections, thereby reducing potential paths of exposure to natural...
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7483477 |
User interface for selection of sampling parameters in a logic analyzer whose data receivers are in groups each having a separate threshold that is common to the channels within each group
Eye diagrams are made for signals on each channel in a group. Outlying signals not exhibiting overlap for a sampling parameter common for all channels may be ignored and a warning given. Selected,...
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7460967 |
Selectable navigation to automatically discovered events within the acquisition record of a digital sampling oscilloscope
Events discovered by an automatic measurement subsystem in the trace of a DSO are visited using a set of event navigation controls. In a TIME Mode the controls operate to display the first of those...
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7451049 |
Automatic delays for alignment of signals
In one embodiment, a system comprises a delay determining unit that may be operable to determine a relative delay between the first signal provided by the first source and the second signal...
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7412355 |
Analog display of signal swing and logic analyzer thresholds
A Logic Analyzer has an intuitive and informative analog presentation of signal activity and threshold settings formed by gathering a collection of factors pertaining to the measurement to be...
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7405723 |
Apparatus for testing display device and method for testing the same
An apparatus for testing a display device includes a display device to display test patterns, a graphic process unit to supply analog mode signals and digital mode signals to the display device,...
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7401007 |
Method, computer program and apparatus for extracting large size signal data samples with an automatically adjusted decimation ratio
A method for rapidly extracting data file samples with an a signal monitor and an automatically adjusted decimation ratio is provided to solve the long-standing problems caused by large data files...
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7386406 |
Forced-alignment measurement tools for composite eye diagrams
An original composite eye diagram is reformulated by deliberately re-aligning its component eye diagrams according to some appropriate standard. This ‘forced-alignment’ shifts the components in...
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7386041 |
Method for normalization of an eye diagram and selection of sampling parameters for a receiver
Measurements for an eye diagram of a signal of interest are placed in a data structure that is examined to locate an eye opening of interest. The eye opening of interest is normalized into figure...
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7380176 |
Method for testing displays
This invention relates to a method for testing displays. A user interface is used to provide the user with options for different display modes, different power management modes and mode delay times...
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7373263 |
Analog-type measurements for a logic analyzer
A logic analyzer that performs analog-type measurements on digital data includes circuitry in its acquisition system that is programmable to search through acquired data to detect analog-type...
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7359820 |
In-cycle system test adaptation
Disclosed are a method, information processing system and computer readable medium for performing a system test on a program. The method comprises creating a test plan associated with a system...
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7359810 |
Characterizing newly acquired waveforms for identification of waveform anomalies
A method of characterizing a newly acquired waveform with respect to previously acquired waveforms during monitoring of a generally repetitive signal, where the previously acquired waveforms have...
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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...
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7352167 |
Digital trigger
An improved digital trigger circuit has a plurality of data samples extracted from an input electrical signal for each sample clock cycle. The plurality of data samples are compared in parallel...
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7346464 |
Gait waveform feature extracting method and individual identification system
A gait waveform feature extracting method and an individual identification system extract features of the gait waveform. A one-step waveform corresponding to one step of a walking movement is...
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7268783 |
Image alias rejection using shaped statistical filtering
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a shaped...
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7254500 |
Monitoring and representing complex signals
A method of displaying signals containing a spatial and a temporal aspect, where multiple signals are received by multiple sensors. The received signals are decomposed into separate signal...
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7254499 |
Method and apparatus for displaying a current configuration of test instruments to a user
In one embodiment, a computer-implemented method 1) determines a current configuration of instruments which are connected in a user's test system; 2) retrieves an icon associated with each...
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7243034 |
Sensor device
A sensor device according to the present invention has a detection mode for detecting an object W, a first setting mode for changing the output duration of an output signal, and a second setting...
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7233349 |
Video timing display indicator
A timing alignment or offset display shows the relationship between a reference signal and a test signal, in particular two analog or digital video signals. Timing extraction circuits derive a...
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7224363 |
Computer-readable recording medium with waveform editing program stored and waveform editing system
A waveform editing program displays waveforms of different types generated from the same data on the same screen, so that the characteristics of the waveforms can be easy to know, and with improved...
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7159187 |
In-context creation and editing of masks and waveforms
A method of creation/editing masks/waveforms for an instrument invokes a mask editor from an application running on the instrument. A context or signal waveform displayed in the application is...
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7123845 |
Receiving apparatus with waveform degradation compensating function
A receiving apparatus comprises a first waveform degradation compensating unit, a second waveform degradation compensating unit, a received waveform measuring unit for measuring waveform data on a...
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7120545 |
Method and apparatus for displaying a current configuration of test instruments to a user
A current configuration of instruments which are connected in a user's test system is determined. The current configuration of instruments is then displayed within a graphical user interface (GUI)...
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7061222 |
Automated testing of frequency converter device
A frequency converter is tested. Labels for a plurality of mixing products are displayed. In response to a user selecting a first mixing product from the plurality of mixing products, appropriate...
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7050914 |
Current sensing circuit
A voltage detection unit generates a detection voltage signal representative of a potential difference caused by a current to be detected. A reference current generation unit generates a first...
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7020567 |
System and method of measuring a signal propagation delay
The present invention relates generally to an improvement in the ability of test systems to test bit processing capacities of electronic devices, and in particular an improvement in their ability...
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7013430 |
Rapid graphical analysis of waveforms using a pointing device
A signal waveform is displayed on a display. In response to a user using a pointing device to select a location on the display, values for a selected parameter of the displayed signal waveform are...
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7010442 |
Systems and methods for operating a measurement and testing instrument
Systems and methods for implementing user input are provided. One such method includes: receiving a first user input provided via a first component of a pointing device, moving a cursor displayed...
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7005846 |
System and method for application control in measurement devices
A system and method for application control in measurement devices is disclosed. The method includes installing a new application using the device's graphical user interface, extending the device's...
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6985819 |
DMM module for portable electronic device
A digital multimeter adapter for a portable electronic device includes a hardware interface connector and a computer program memory. The memory stores computer program instructions that direct the...
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6952655 |
User defined processing function
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...
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6917889 |
Method and apparatus for visually time-correlating waveform measurements to a source waveform
A test and measurement instrument acquires a signal from a device under test, displays that signal as a source waveform, and makes measurements on that source waveform with regard to a...
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6915223 |
Waveform display equipment and waveform displaying method
The object of the present invention is to realize waveform display equipment and to achieve a waveform displaying method, in which a plurality of waveforms can be easily observed and measured. The...
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6907366 |
Electronic measurement apparatus having a function to a display a function menu over a plurality of pages in a list and function menu display method
A storage stores data of plural function menus corresponding to plural function menu items composed of plural pages to be used in instruction of execution of mutually different plural functions to...
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6907365 |
Context sensitive toolbar
An oscilloscope apparatus, comprising a display for displaying a plurality of objects, a toolbar displayed on the display, and a user interface for selecting an object. The display displays one or...
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6904381 |
Testing of a frequency converter device
A user interface is presented for a tester that tests a frequency converter having an input port, an output port and a local oscillator port. In a first area, a user can specify frequency for an...
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6898557 |
System and method for remote testing of components
A system and method are disclosed for remote testing of items where the tests are performed at a first site and monitored and controlled at a second site. A first remote test control station at the...
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6892149 |
Identifying data loss in a transmission system
Identifying data loss in a transmission system includes shifting one of a received waveform and a transmitted waveform, determining differences between the transmitted and received waveforms at...
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6885953 |
Oscilloscope panel capture and implementation
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, of any...
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6876937 |
Displaying a number of measurement curves
A method of displaying a number of measurement curves is described. The measurement curves are displayed in at least two windows. Each one of the windows comprises two axes. One or more measurement...
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6856127 |
Oscilloscope-based automatic finder for locating high power dissipation areas in switch-mode power supply (SMPS) switching devices
A method and apparatus for identifying and analyzing high power dissipation peaks across a switching device. The method and apparatus include processing voltage waveform data associated with a...
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6850853 |
Method and apparatus for displaying help screen information for measurement device
A method and apparatus for displaying help screen information for measurement devices. The invention includes a measurement device for generating measurement information, and a display coupled with...
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6850238 |
Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal
A display of code power levels and relationships of multiple spreading factor orthogonal codes in a code division multiple access (CDMA) signal has a first code graph of code domain power (CDP) for...
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6820017 |
Method for determining the amplitude and phase angle of a measuring signal corresponding to a current or voltage of an electrical power supply network
A method for determining the amplitude and phase angle of a measuring signal corresponding to a current or a voltage on an electrical power supply network by using sampled values of the measuring...
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6799127 |
Signal transition and stable regions diagram for positioning a logic analyzer sample
A system that allows an end user to optimize the performance of a logic analyzer quickly and easily is disclosed. A visual display allowing a user to see a data valid window and relative sample...
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