241 patents
Page 11 of 13
Utility
Device Signal Separation for Full Duplex Serial Communication Link
1 Jul 20
A test and measurement instrument for extracting waveforms from a differential transmission line without disrupting the differential transmission line.
P E. Ramesh, Tsuyoshi Miyazaki
Filed: 18 Dec 19
Utility
Real-time Jitter Impairment Insertion for Signal Sources
1 Jul 20
A test and measurement device having a signal source, including an impairment generator configured to output an impairment and a waveform synthesizer.
Gregory A. Martin, Patrick Satarzadeh, Karen Hovakimyan, Hungming Chang
Filed: 11 Aug 19
Utility
Compound Via RF Transition Structure In a Multilayer High-density Interconnect
1 Jul 20
A multilayer circuit board having a central conductor and core layers between a first set of alternating layers and a second set of alternating layers.
George S. Curtis
Filed: 26 Dec 18
Utility
Linear and Non-Linear Calibration for Time Interleaved Digital-to-Analog Converter
1 Jul 20
A time-interleaved digital-to-analog converter system, comprising a digital pre-distorter configured to receive an input digital signal and an error signal and output a distorted digital signal based on the input digital signal and the error signal; a time-interleaved digital-to-analog converter having a first sample rate, the time-interleaved digital-to-analog converter configured to convert the distorted digital signal to an analog signal; and a calibration system.
Karen Hovakimyan, Gregory A. Martin, Daniel G. Knierim
Filed: 29 Jul 19
Utility
Digital Signal Processing Waveform Synthesis for Fixed Sample Rate Signal Sources
1 Jul 20
A test and measurement instrument including a digital-to-analog converter having an output sample rate configured to receive a digital sample waveform and a reference clock and output an analog waveform at the sample rate, a waveform synthesizer configured to receive an input waveform having a baud rate and output a digital sample waveform having a baud rate less than the sample rate of the digital-to-analog converter, and a port configured to output the analog waveform.
Gregory A. Martin, Patrick Satarzadeh, John J. Pickerd, Daniel G. Knierim
Filed: 27 Aug 19
Utility
Dual Output Signal Paths for Signal Source Channels to Optimize for Bandwidth and Amplitude Range
1 Jul 20
A signal source device includes at least one digital-to-analog converter, at least one connector, a first output path from the at least one digital-to-analog converter to the at least one connector, and a second output path from the at least one digital-to-analog converter to the at least one connector.
Gregory A. Martin, Pirooz Hojabri
Filed: 29 Sep 19
Utility
Split Frequency Band Signal Paths for Signal Sources
1 Jul 20
A signal generator device includes a digital signal waveform generator to produce a digital signal waveform, a first frequency band signal path having a first frequency band filter to receive the digital signal waveform and to pass first frequency band components of the digital signal waveform, and a first digital-to-analog converter to receive the first frequency band components of the digital signal waveform and to produce a first frequency band analog signal, a second frequency band signal path having a second frequency band filter to receive the digital signal waveform and to pass second frequency band components of the digital signal waveform, a second digital-to-analog converter to receive the second frequency band components of the digital signal waveform and to produce a second frequency band analog signal, and a combining element to combine the first frequency band analog signal and the second frequency band analog signal to produce a wideband analog signal.
Gregory A. Martin
Filed: 29 Sep 19
Utility
Test and Measurement Devices, Systems, and Methods Associated with Augmented Reality
24 Jun 20
A test and measurement system can include a data store configured to store augmentation settings for dynamically augmenting a physical testing environment and a computing device coupled to the data store.
Tyler B. Niles, Daniel G. Knierim, Michael J. Wadzita, Joshua J. O'Brien, David Everett Burgess
Filed: 17 Jun 18
Utility
Abstracting of Digital Acquisition Memory
17 Jun 20
An abstracted digital memory acquisition circuit, including an analog input configured to receive an analog signal, an analog-to-digital converter configured to receive the analog signal and convert the analog signal to a first digital signal, a digital input configured to receive a second digital signal, a controller configured to receive the first digital signal and the second digital signal and output a stream of bits, the stream of bits including the first digital signal and the second digital signal, and a control signal, and an output configured to electrically connect to a digital input of a test and measurement instrument and output the stream of bits and the control signal.
Jonathan D. Clem
Filed: 16 Dec 18
Utility
High input impedance electro-optic sensor
15 Jun 20
The disclosure includes an electro-optical sensor.
Michael J. Mende, Richard A. Booman
Filed: 8 Apr 18
Utility
Event activity trigger
8 Jun 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: 12 Jan 16
Utility
Analog transitional storage
1 Jun 20
A test and measurement instrument can include an input to receive an analog signal, a sampler to produce digital sample data corresponding to the analog signal, a buffer to store a portion of the sample data, a memory to store sample data from the buffer, a plurality of comparators to establish a vertical range, and a controller configured to configure the plurality of comparators to establish a first vertical range based on sample data in the buffer, and determine whether any of the sample data in the buffer transitions outside the first vertical range during a period of time.
David A. Holaday, Joshua J. O'Brien
Filed: 12 Apr 18
Utility
Categorization of Acquired Data Based on Explicit and Implicit Means
27 May 20
A method of classifying waveform data includes receiving input waveform data at a test and measurement system, accessing a repository of reference waveform data and corresponding classes, analyzing the input waveform data and the reference waveform data to designate a class of the input waveform data, and using the class designation to provide information to a user.
Joshua J. O'Brien, Brian S. Mantel
Filed: 25 Nov 19
Utility
System for Test and Measurement Instrumentation Data Collection and Exchange
27 May 20
A method of capturing instrument data using a communications device includes sending an actuation signal to a camera to take a photograph of at least one instrument, one of either transmitting or receiving a trigger message between the communications device and the at least one instrument, storing the photograph in a memory on the communications device, determining associated information for the photograph, and transmitting the photograph, associated information and user information to a network.
Frederick B. Kuhlman, III, Shane L. Arnold
Filed: 25 Nov 19
Utility
Sampling gate for broadband frequency reconstruction
25 May 20
A sampling gate comprising a first frequency input coupled to a first frequency path from a broadband photodiode.
Noah Brummer
Filed: 28 Dec 16
Utility
Enabling a trigger in a test and measurement instrument
18 May 20
A test and measurement instrument, such as an oscilloscope, including one or more ports to receive one or more signals from a device under test, a trigger enable logic circuit configured to output a trigger enabled signal when a trigger enable event occurs within the one or more signals, the trigger enable event being a real-time event of the one or more signals, one or more trigger logic circuits configured to generate a plurality of trigger signals when the trigger enable signal is received, each trigger signal being generated when a trigger event occurs within one of the one or more signals, and an acquisition circuit configured to acquire and store data in a memory in response to each of the trigger signals.
David L. Kelly, Jed H. Andrews, Patrick A. Smith, Michael A. Martin
Filed: 26 Oct 17
Utility
Systems, Devices, and Methods for Measuring Direct Current/low Frequency Signal Components
29 Apr 20
A test and measurement probe system (100,104), including an input (106) to receive an input signal, the input signal including a low frequency (LF) and/or direct current (DC) component and an alternating current (AC) component, an extractor circuit (110), such as an AC coupling circuit or a LF and/or DC rejection circuit, configured to receive the input signal and to separate the AC component and the LF and/or DC component from the input signal, a first output (118) to output the alternating current component to the test and measurement instrument, and a second output to output the direct current component to the test and measurement instrument.
Michael J. Mende
Filed: 12 Jul 18
Utility
Cable Connector to PCB Interconnect
29 Apr 20
A device can include a coaxial connector that has a signal portion to electrically couple with a signal portion of a printed circuit board (PCB) to enable transmission of a signal therebetween, a ground portion to electrically couple with a ground portion of the PCB, and a mounting to interact with a mounting component to secure the coaxial connector to the PCB.
Devin M. Bingham
Filed: 16 Apr 18
Utility
System and method for bitstream decoding with compiler-generated syntax trees
20 Apr 20
Disclosed herein are systems and methods for converting physical input signals into bitstreams using syntax trees regardless of the physical input signal's protocol.
Mark Anderson Smith, Michael Scott Silliman, Andrew Loofburrow, Eric T. Anderson
Filed: 8 Apr 18
Utility
Test and Measurement Instrument with a Hysteresis Loop Mask
15 Apr 20
A test and measurement instrument, comprising at least one port configured to receive a signal from a device under test; a user interface configured to receive a user input, the user input indicating magnetic properties of a magnetic material of the device under test, and one or more processors.
U N Vasudev, Gajendra Kumar Patro, Krishna N H Sri
Filed: 14 Oct 18