144 patents
Page 6 of 8
Utility
Multi-instrument Behavior Synchronization Using Jobs and Milestones
18 Mar 21
A method of synchronizing tasks in a test and measurement system, includes receiving, at a client in the system, a task input, receiving, at a job manager running on a first device processor in the system, a call from the client to create a job associated with the task, returning to the client an action containing at least one job code block associated with the job, receiving a call for the action, executing the at least one job code block by at least one processor in the system, determining that the job has completed, and completing the task.
Timothy E. Sauerwein, Clinton M. Alter, Sean T. Marty, Jenny Yang, Keith D. Rule
Filed: 11 Sep 20
Utility
Simulation Correction Using Measurements and Deep Learning
18 Mar 21
A method for improving the accuracy of simulation models can include measuring a characteristic value at one or more nodes of a physical embodiment corresponding to the simulation model; inputting the measured characteristic value into a trained machine learning facility corresponding to the simulation model; and receiving from the trained machine learning facility one or more predicted values based at least in part on the inputted measured characteristic value.
Jonathan S. Dandy, Brian S. Mantel
Filed: 17 Sep 20
Utility
Signal Path Calibration of a Hardware Setting In a Test and Measurement Instrument
4 Mar 21
A test and measurement instrument including a user interface configured to receive instructions to perform a signal path calibration for a user-specific setting from a user; a memory configured to store signal path calibration data; and one or more processors that can determine an actual signal path hardware setting for the user-specific setting, determine an adjustment to adjust the actual signal path hardware setting to the user-specific setting, adjust the actual signal path hardware setting by the adjustment to accurately represent the user-specific setting, and store the user-specific setting and the adjusted signal path hardware setting in the signal path calibration data.
Barton T. Hickman
Filed: 24 Aug 20
Utility
Integrated Development Environment for Protocol Design, Evaluation and Debugging
11 Feb 21
A protocol designer for a test and measurement instrument, comprising an input to receive a signal, a memory configured to store the signal, an author configured to generate protocol definitions based on a user input, a debugger configured to output textual and visual decode results based on the protocol definitions and the signal, and a deployer configured to output a complied protocol definition file to the test and measurement instrument.
Mark Anderson Smith, Michael Scott Silliman, Andrew Loofburrow, Eric T. Anderson
Filed: 13 Mar 19
Utility
Encapsulated Component Attachment Technique Using a Uv-cure Conductive Adhesive
21 Jan 21
A method for acquiring a signal from an encapsulated test point on a device under test, includes forming a hole in an encapsulant adjacent to the test point, the hole extending through the encapsulant to the test point, delivering a UV-curable conductive adhesive into the hole such that the delivered adhesive contacts the test point, applying UV light from a UV light source to cure the delivered adhesive, and connecting a conductive element between the cured adhesive and a test and measurement instrument.
Julie A. Campbell, Karl A. Rinder, Regina R. Mrozik
Filed: 4 Oct 20
Utility
DQ0 and Inverse DQ0 Transformation for Three-phase Inverter, Motor and Drive Design
14 Jan 21
A test and measurement device includes an interface configured to acquire analog three-phase signals from a device under test, and a processor programmed to execute instructions that cause the processor to perform a direct-quadrature-zero, DQ0, transformation and produce DQ0 signals based on the analog three-phase signals, and measure performance of the device under test based on the DQ0 signals.
U N Vasudev, Krishna N H Sri, Vempati L. Bharghavi
Filed: 6 Jul 20
Utility
Millimeter Wave Material Test System
9 Dec 20
A test and measurement device measures an insertion loss of a material under test.
Alexander Krauska
Filed: 2 Jun 20
Utility
Low Frequency S-parameter Measurement
9 Dec 20
A method determines scattering parameters, S-parameters, for a device under test for a first frequency range.
John J. Pickerd, Kan Tan
Filed: 28 May 20
Utility
Pattern Acquisitions In Equivalent Time Sampling Systems
9 Dec 20
An equivalent-time sampling test and measurement instrument for acquiring a repeating pattern signal under test at or near a maximum sampling speed of the test and measurement instrument.
Noah Brummer, Andy K. Lim, Jan P. Peeters Weem
Filed: 25 May 20
Utility
Test and Measurement System for Parallel Waveform Analysis
18 Nov 20
A test and measurement system for parallel waveform analysis acquires waveforms resulting from performing tests on a device under test (DUT) and performs, at least partially in parallel, respective analyses of the waveforms resulting from performing tests on the DUT.
Sriram Mandyam Krishnakumar, Sunil Mahawar, Mahesha Guttahalli Lakshmipathy, Satish Kumar Makanahalli Ramaiah
Filed: 9 May 20
Utility
Event Activity Trigger
23 Sep 20
Methods of triggering a test and measurement instrument having a plurality of inputs include the step of generating a trigger signal in response to every occurrence of any one of a plurality of specified trigger events.
Patrick A. Smith, Daniel G. Knierim
Filed: 5 Jun 20
Utility
Systems and Methods for Synchronizing Multiple Test and Measurement Instruments
12 Aug 20
A system includes a plurality of oscilloscopes, each oscilloscope having an output port and an input port, a cable connecting the output port of an initial oscilloscope of the plurality of oscilloscopes to the input port of a second oscilloscope of the plurality of oscilloscopes, the initial oscilloscope having a processing element to generate a master run clock, the second oscilloscope having a processing element including a phase-locked loop to lock a slave run clock to the master run clock, wherein the processing element of one of the oscilloscopes executes code to cause the processing element to manipulate one of the run clocks to pass trigger information to another of the plurality of oscilloscopes.
Daniel G. Knierim, Barton T. Hickman, Joshua J. O'Brien
Filed: 10 Feb 20
Utility
Multirate Data for S-parameter Extraction
5 Aug 20
An apparatus configured to acquire S-parameters of a communications channel includes a physical interface configured to transmit and receive signals through a communications channel under test, a processor, configured to execute instructions that, when executed cause the processor to: send a first data pattern from the transmitter through the communications channel at a first data rate; acquire a first waveform corresponding to the first data pattern and determine a first pulse response; calculate a first transfer function from the first pulse response; send a second data pattern from the transmitter through the communications channel at a second data rate; acquire a second waveform corresponding to the second data pattern and determine a second pulse response; calculate a second transfer function from the second pulse response; and combine the first and second transfer functions to determine an S-parameter of the communications channel.
Kan Tan
Filed: 28 Jan 20
Utility
Systems, Methods and Devices for High-speed Input/output Margin Testing
5 Aug 20
Systems, devices and methods for high-speed I/O margin testing can screen high volumes of pre-production and production parts and identify cases where the electrical characteristics have changed enough to impact operation.
Daniel S. Froelich, Shane A. Hazzard, Sarah R. Boen, Jed H. Andrews
Filed: 30 Jan 20
Utility
Sampling Gate for Broadband Frequency Reconstruction
5 Aug 20
A sampling gate comprising a first frequency input coupled to a first frequency path from a broadband photodiode.
Noah Brummer
Filed: 20 Apr 20
Utility
Jitter Insertion System for Waveform Generation
5 Aug 20
A test and measurement instrument for generating an analog waveform, including an interpolator configured to receive a digital signal and output interpolated samples of the digital signal at a sample rate, a filter modulation controller configured to output first filter coefficients at a first time and second filter coefficients at a second time, a convolver configured to generate a convolved signal by convolving the interpolated samples of the digital signal and the first filter coefficients and convolving the interpolated samples of the digital signal and the second filter coefficients; and a digital-to-analog converter configured to convert the convolved signal to an analog signal based on a fixed, constant clock signal.
John J. Pickerd
Filed: 6 Nov 19
Utility
Systems, Methods and Devices for High-speed Input/output Margin Testing
5 Aug 20
Systems, devices and methods for high-speed I/O margin testing can screen high volumes of pre-production and production parts and identify cases where the electrical characteristics have changed enough to impact operation.
Daniel S. Froelich, Shane A. Hazzard, Sarah R. Boen, Jed H. Andrews
Filed: 30 Jan 20
Utility
Test and Measurement Instrument with Buffer Model Delay Compensation
22 Jul 20
A test and measurement instrument, including one or more ports configured to receive a stream of packets from a transmitter through a network component, each packet including a timestamp; and one or more processors.
Michael S. Overton
Filed: 17 Jan 19
Utility
Interactive Instrument Measurement Analytics
22 Jul 20
A test and measurement instrument, including a memory configured to store a waveform data record; one or more processors, and a display.
Keith D. Rule, Sean T. Marty
Filed: 5 Jan 20
Utility
Bus Decode and Triggering on Digital Down Converted Data In a Test and Measurement Instrument
22 Jul 20
A test and measurement instrument including a digital down converter configured to receive a bus signal and output in-phase and quadrature-phase baseband component waveform data, a trace generator configured to receive the in-phase and quadrature-phase baseband component waveform data and generate at least one radio frequency versus time trace, a decoder configured to receive the at least one radio frequency versus time trace and decode the bus signal based on the at least one radio frequency versus time trace and a wireless modulation scheme, and a trigger configured to capture at least a portion of the bus signal based on the decoded bus signal.
James D. Alley, Gary J. Waldo
Filed: 2 Jan 20