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Tektronix Inc patents (2016 archive)


Recent patent applications related to Tektronix Inc. Tektronix Inc is listed as an Agent/Assignee. Note: Tektronix Inc may have other listings under different names/spellings. We're not affiliated with Tektronix Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tektronix Inc-related inventors


Method for ordering monitored packets with tightly-coupled processing elements

Transaction and session processing of packets within a network monitoring system may be distributed among tightly-coupled processing elements by marking each received packet with a time-ordering sequence reference. The marked packets are distributed among processing elements by any suitable process for transaction processing by the respective processing element to produce transaction metadata. ... Tektronix Inc

Electronically variable analog delay line

An electronically variable analog delay line including at least one segment with an electronically variable inductance. The at least one segment includes a signal path, a ground return path, and a plurality of switches configured to vary the inductance of the segment.. ... Tektronix Inc

Circulating resampling digitizer

Embodiments of the present invention provide improved techniques for sampling events in electrical test equipment such as real-time oscilloscopes. A circulating resampling digitizer uses a delay loop to repeatedly acquire replicas of an input event. ... Tektronix Inc

High bandwidth and input impedance electro-optic probe

An electro-optic modulator of a test and measurement system. The electro-optic modulator includes a first electrode, a second electrode with identical electrical characteristics as the first electrode and an optical waveguide between the first electrode and the second electrode. ... Tektronix Inc

Electro-optic probe with multiple sensitivity ranges

A test and measurement system including an electro-optical accessory with an electro-optical sensor configured to output a modulated output signal, a device under test connected to the electro-optical accessory with a variable input signal, and a processor. The electro-optical accessory includes two sets of electrodes in which a sensitivity of the first set of electrodes is different from a sensitivity of the second set of electrodes. ... Tektronix Inc

Anomalous pixel detection

A video noise analyzer for detecting residual point noise in a video generates a list of candidate defective pixels by joining results of a temporal invariance detector and a spatial outlier detector. A data store is structured to contain data describing the candidate defective pixels and/or the blocks from which the pixels were selected. ... Tektronix Inc

Dynamic calibration of data patterns

A system for dynamically calibrating operational parameters of a device under test (dut) includes a signal generator for generating a data pattern, a dut structured to generate a clock signal, an oscilloscope structured to measure margins of the generated clock signal compared to an eye-diagram produced on the oscilloscope from the data pattern, and a calibration unit. The calibration unit can produce a candidate a jitter value for the signal generator, receive a determination from the oscilloscope whether the data pattern generated with the candidate jitter value causes the dut to produce the generated clock signal within a pre-determined tolerance level, and modify the jitter value accordingly. ... Tektronix Inc

Clock recovery for data signals

Embodiments of the present invention provide improved techniques for recovering clock information from data signals. In one embodiment, a general purpose device such as a real-time oscilloscope acquires a data signal. ... Tektronix Inc

Systems, methods and devices for deriving subscriber and device identifiers in a communication network

A network monitoring node receives one or more data messages regarding user equipment (ue) from one or more network interfaces for a communication session in the communication network continuously in real-time, determines a subscriber identification (id) associated with the ue from the one or more data messages regarding the ue, and determines an equipment identification (id) associated with the ue from the one or more data messages regarding the ue. The network monitoring node further receives a base-key associated with the ue from the one or more data messages regarding the ue, derives a decryption key from the base-key, decrypts a temporary id associated with the ue from the one or more data messages regarding the ue based on the decryption key, maps the temporary id with the subscriber id for the ue, and the subscriber id with the equipment id for the ue, and assigns data messages for all further communication sessions to the ue based on the mapping. ... Tektronix Inc

Mobility determination using likelihood estimation

A method for determining a mobility state of a mobile device is provided. A first estimated location of the mobile device is determined based on a first predictor set by generating a first location probability distribution associated with the first predictor set. ... Tektronix Inc

Intensity information display

A method can include generating raster images from digitized signals, each raster image including multiple pixels that each have a count of the number of signals that pass through it, and generating sets of ranges of counts from the totality of counts in a rasterizer image and selected limits on that totality. The method can also include generating mapped images from the raster images and sets of ranges of counts, each mapped image including multiple pixels that each have an output intensity determined by the specific range of counts that contains the corresponding rasterizer image pixel count.. ... Tektronix Inc

Band overlay separator

A test and measurement instrument including a splitter configured to split an input signal into at least two split signals, at least two harmonic mixers configured to mix an associated split signal with an associated harmonic signal to generate an associated mixed signal, at least two digitizers configured to digitize the associated mixed signal, at least two mimo polyphase filter arrays configured to filter the associated digitized mixed signal of an associated digitizer of the at least two digitizers, at least two pairs of band separation filters configured to receive the associated digitized mixed signals from each of the mimo polyphase filter arrays and output a low band of the input signal and a high band of the input signal based on a time different between the at least two digitizers and a phase drift of a local oscillator, and a combiner configured to combine the low band of the input signal and the high band of the input signal to form a reconstructed input signal.. . ... Tektronix Inc

High impedance compliant probe tip

A test probe tip can include a compliance member or force deflecting assembly and a tip component. The compliance member or force deflecting assembly can include a plunger component and a barrel component to receive the plunger component, wherein the plunger component is configured to slide axially inside the barrel component. ... Tektronix Inc

Cable restraint system

A cable restraint system including a device base. The device base includes a base plate, and at least one mounting post disposed thereon, and a cable restraint device. ... Tektronix Inc

09/01/16 / #20160252207

Locking foot

A locking foldable foot includes a mounting plate, a first member, and a second member. The proximal end of the first member is attached to the mounting plate at a pivot. ... Tektronix Inc

08/18/16 / #20160242140

Automated equipment characterization from wireless network data

A system for detecting a faulty behavior of a user equipment (ue) in a telecommunication network is provided. A trouble report information associated with a first ue is received. ... Tektronix Inc

08/18/16 / #20160241429

Knowledge base radio and core network prescriptive root cause analysis

A method, computer program product and system for performing performance and root cause analysis of failures in a telecommunication network are provided. The telecommunication network includes user equipment (ue) devices, core network and radio access network (ran). ... Tektronix Inc

08/11/16 / #20160232223

System and method for grouping an unbounded dataset into groups that can be subsequently binned

A computer system to group a data set is provided, in which the computer system includes a memory configured to store instructions and a processor disposed in communication with the memory. The processor upon execution of the instructions is configured to access a data set including a plurality of data elements and associate the plurality of data elements with a plurality of data groups. ... Tektronix Inc

08/04/16 / #20160226558

De-embedding cable effect for waveform monitoring for arbitrary waveform and function generator

A method for determining a waveform expected to be received by a device under test, the method including outputting a waveform generated by a waveform generation section of an arbitrary waveform and function generator at an output of the arbitrary waveform and function generator; sending the waveform generated by the waveform generation section to the device under test through a cable; monitoring a waveform at the output by a waveform monitoring section of the arbitrary waveform and function generator; and determining by the waveform monitoring section a transformed waveform expected to be received at the device under test based on the generated waveform being modified by the cable.. . ... Tektronix Inc

07/28/16 / #20160216295

Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing

A test and measurement instrument includes a coefficient storage facility coupled to a programmable filter. The coefficient storage facility is configured to store at least two pre-determined filter coefficient sets, and configured to pass a selected one of the at least two pre-determined filter coefficient sets to the filter based on a measurement derived using a compensation oscillator. ... Tektronix Inc

07/21/16 / #20160210061

Architecture for a transparently-scalable, ultra-high-throughput storage network

A data storage system includes storage nodes configured to receive data access requests from client applications. The data storage system further includes data processing functions associated with the storage nodes. ... Tektronix Inc

07/14/16 / #20160205509

Mechanism for determining location history via multiple historical predictors

A method for determining location history of a mobile device is provided. A plurality of states corresponding to a plurality of reachable road segments associated with a road network is determined based on one or more initial estimated locations of the mobile device. ... Tektronix Inc

06/16/16 / #20160169964

Magnetic probe cable anchor with metal marker bands

A magnetic anchor base assembly can include a magnetic coupling component and magnetic sub-components integrated therewith. Each magnetic sub-component can be configured to magnetically couple with a metal band that is configured to couple with a test probe.. ... Tektronix Inc

05/26/16 / #20160149637

Test and measurement device for measuring integrated coherent optical receiver

Embodiments of the invention include a phase adjustor for adjusting a phase angle of a local oscillator relative to a phase angle of a signal input of a device under test (dut). Some embodiments include a laser source for a lightwave component analyzer and an optical phase adjustor, which may be embodied by a loop stretcher structured to controllably stretch a length of fiber optic cable, driven by a phase adjust driver. ... Tektronix Inc

05/26/16 / #20160146869

Apparatus enabling use of a reference diode to compare against a device under test in relative amplitude and phase measurements

Embodiments of the invention include methods and devices for determining a phase angle offset between a phase angle of a local oscillator relative to a phase angle of a signal input of a device under test (dut). Some embodiments include a laser source and an optical phase adjustor, which may be embodied by a loop stretcher structured to controllably stretch a length of fiber optic cable, driven by a phase adjust driver. ... Tektronix Inc

04/28/16 / #20160119218

Deriving hardware acceleration of decoding from a declarative protocol description

A test-and-measurement instrument is described. The test-and-measurement instrument can store a state machine. ... Tektronix Inc

04/28/16 / #20160119217

Hardware trigger generation from a declarative protocol description

A test-and-measurement instrument is described. A state machine, corresponding to a regular expression, can be stored in the test-and-measurement instrument. ... Tektronix Inc

04/07/16 / #20160098455

Stream-based object storage solution for real-time applications

A stream based storage system includes a plurality of storage nodes configured to provide storage and retrieval of at least a time-based portion of one or more data streams in response to a receipt of a data storage/retrieval request associated with the one or more data streams. Each of the one or more data streams includes a plurality of time-ordered items. ... Tektronix Inc

03/17/16 / #20160080982

Systems, methods and devices for determining key performance indicators using inferential statistics

Network monitoring devices and network monitoring techniques are disclosed and use inferential statistical approaches to determine one or more key performance indicators, particularly for circuit switched fallback (csfb) scenarios. For example, the network monitoring node monitors a plurality of ciphered or clear text messages for a network interface in a communication network, determines a mobile terminating (mt) count for mt calls and a mobile originating (mo) count for user equipment (ue) from at least one message of the plurality of messages and defines an inferred mt ratio based on the mt count and the mo count for a total number of messages. ... Tektronix Inc

03/17/16 / #20160077131

Multi-scope control and synchronization system

A test and measurement system for synchronizing multiple oscilloscopes including a host oscilloscope and at least one client oscilloscope. The host oscilloscope includes a host timebase clock configured to output a clock signal, a host digitizer including a digitizer synchronization clock based on the clock signal, and a host acquisition controller includes a trigger synchronization clock based the clock signal and outputs a run signal to begin an acquisition of an input signal. ... Tektronix Inc

03/17/16 / #20160077128

Automatic probe ground connection checking techniques

A test system can include a probe suitable to be coupled between a test measurement device and a device under test (dut). The probe can include a signal input to receive an active signal from the dut and a signal output to provide the active signal to the test measurement device. ... Tektronix Inc

03/03/16 / #20160065434

Methods and devices to efficiently determine node delay in a communication network

A network monitoring device monitors at least one tap point corresponding to a network interface between user equipment (ue) and one or more additional nodes in the communication network, detects one or more transactions at the at least one tap point corresponding to the network interface with each transaction including request data and response data. The network monitoring device further determines a time associated with the request data and a time associated with the response data for each transaction, determines a delay time for each transaction for the at least one tap point by a difference between the time associated with the request data and the time associated with the response data, assigns the delay time for each transaction to one or more a predefined time ranges, and increments a count corresponding to the one or more predefined time ranges when the delay time is assigned.. ... Tektronix Inc

03/03/16 / #20160065221

Synchronization for multiple arbitrary waveform generators

A system and method synchronizes multi-awg system, where such systems are of a type having a master arbitrary waveform generator (awg), one or more slave awgs, and a sync hub having a sync controller and sync phase detector. The method operates by receiving at the sync hub a divided down clock (systemrefclock) signal from a master arbitrary waveform generator (awg). ... Tektronix Inc

02/18/16 / #20160047842

Signal acquisition probe storing compressed or compressed and filtered time domain impulse or step response data for use in a signal measurement system

A signal acquisition probe stores compressed or compressed and filtered time domain data samples representing at least one of an impulse response or step response characterizing the signal acquisition probe. The compressed or compressed and filtered time domain data samples of the impulse response or the step response are provided to a signal measurement instrument for compensating the signal measurement instrument for the impulse or step response of the signal measurement instrument.. ... Tektronix Inc

02/04/16 / #20160036568

Method for performing joint jitter and amplitude noise analysis on a real time oscilloscope

A method for determining jitter and noise of an input signal. The method includes acquiring one or more uncorrelated waveform records by an acquisition unit of a test and measurement instrument, determining a correlated waveform from the acquired waveform(s), dividing the correlated waveform into unit intervals, dividing an uncorrelated waveform into unit intervals, measuring a timing displacement (t1) between the correlated waveform and the uncorrelated waveform for each unit interval to form an apparent-jitter array ([t1]), measuring a voltage displacement (v1) between the correlated waveform and the uncorrelated waveform for reach unit interval to form an apparent-noise array ([v1]), calculating a horizontal shift (ts) between the correlated waveform and the uncorrelated waveform for each unit interval to form a compensated edge time array ([ts]), and calculating a vertical shift (vs) between the correlated waveform and the uncorrelated waveform for each unit interval to form a compensated amplitude voltage array ([vs]).. ... Tektronix Inc

02/04/16 / #20160033455

Tri-mode probe with automatic skew adjustment

A probe, including a first input configured to receive a first input signal, a second input configured to receive a second input signal, a first cable connected to the first input, a second cable connected to the second input, an electronically adjustable delay connected to the first cable, the electronically adjustable delay configured to delay the first input signal to remove a skew between the first input signal and the second input signal, and an amplifier configured to receive the first input signal from the electronically adjustable delay and a second input signal.. . ... Tektronix Inc

02/04/16 / #20160033309

Double quadrature with adaptive phase shift for improved phase reference performance

A method for correcting a timing error in a test and measurement instrument. The method includes receiving a clock signal at each of four samplers. ... Tektronix Inc

01/21/16 / #20160018450

S-parameter measurements using real-time oscilloscopes

A method for determining scattering parameters of a device under test using a real-time oscilloscope. The method includes calculating a reflection coefficient of each port of a device under test with n ports, wherein n is greater than one, based on a first voltage measured by the real-time oscilloscope when a signal is generated from a signal generator. ... Tektronix Inc

01/21/16 / #20160018443

Method for determining a correlated waveform on a real time oscilloscope

A method for determining a correlated waveform, including acquiring a generalized waveform record with a repeating pattern, determining a possibly corrected recovered clock signal for the generalized waveform record, selecting a new sample rate that is higher than the clock rate by n time, where n is an integer greater than 1, resampling the generalized waveform so that the new samples fall precisely on two clocks instants of the recovered clock signal that define each unit interval, and on n−1 additional instants equally spaced between the two clock instants of each unit interval to create a resampled waveform, and forming the correlated waveform by taking the mean values of all samples from the resampled waveform having the same offset into a pattern repeat in unit intervals or fractions thereof.. . ... Tektronix Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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