Tektronix

US Patent 7098839 Flash array digitizer

US Patent 7099518 Measurement of blurring in video sequences

US Patent 7102667 Picture quality diagnostics for revealing cause of perceptible impairments

US Patent 7105759 Instrument with illuminated control knob

US Patent 7109991 Activity display for multiple data channels over period of time

US Patent 7110897 Identification of average total loss and switching loss in duty cycle and/or frequency variation signals acquired across a switching device using a DSO

US Patent 7113750 Apparatus and method for input channel isolation within an electronic test instrument

US Patent 7114956 Isolated BNC connector with replaceable bayonet shell

US Patent 7126360 Differential signal acquisition probe having retractable double cushioned probing tips with EOS/ESD protection capabilities

US Patent 7130328 Time history display of orthogonal code power levels

US Patent 7139426 Histogram data collector for applying progressively adjusted histogram equalization to an oscilloscope image

US Patent 7139669 Software clamping of video signals

US Patent 7146537 Protocol test device including a network processor

US Patent 7152006 Multi-instrument triggering

US Patent 7154532 Video field rate persistence

US Patent 7155190 DDS-PLL method for frequency sweep

US Patent 7155355 Method of constraints control for oscilloscope vertical subsection and display parameters

US Patent 7158137 Architecture for improved display performance in a signal acquisition and display device

US Patent 7158901 FFT accelerated display mode

US Patent 7159187 In-context creation and editing of masks and waveforms

US Patent 7161366 Method and apparatus for probe tip contact

US Patent 7161515 Calibration system and method for a linearity corrector using filter products

US Patent 7162375 Differential termination and attenuator network for a measurement probe having an automated common mode termination voltage generator

US Patent 7164994 Differential termination attenuator network for a measurement probe having an internal termination voltage generator

US Patent 7164995 Differential termination and attenuator network for a measurement probe

US Patent 7167011 Differential measurement probe having retractable double cushioned variable spacing probing tips with EOS/ESD protection capabilities

US Patent 7180537 Relative channel delay measurement

US Patent 7180539 Luminance qualified vector display

US Patent 7184406 Visualization of active codes, their spreading factors and power levels, in a code domain power display

US Patent H002184 Wide dynamic range vector data raster display

US Patent 7187187 Signal acquisition probing system using a micro-cavity laser

US Patent 7189007 Termination for optic fiber

US Patent 7191079 Oscilloscope having advanced triggering capability

US Patent 7193505 Channel-to-channel compare

US Patent 7199818 Status ribbon for display for multiple channels/codes

US Patent 7206722 Oscilloscope having an enhancement filter

US Patent 7216046 Method of generating a variable persistence waveform database

US Patent 7219174 Inter-demux communication through a point to point interface

US Patent 7221813 Signal acquisition probing and voltage measurement systems using an electro-optical cavity

US Patent 7222034 In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope

US Patent 7227349 Method and apparatus for the digital and analog triggering of a signal analysis device

US Patent 7227549 Indicating and manipulating a zoom region of a waveform

US Patent 7236900 Three dimensional correlated data display

US Patent 7240976 Modular rack-mounting system

US Patent 7246267 Logic analyzer having a disassembler employing symbol table information for identifying op-codes

US Patent 7251265 Micro-cavity laser having increased sensitivity

US Patent 7251577 Realtime power mask trigger

US Patent 7253648 Signal acquisition probe having a retractable double cushioned probing tip with EOS/ESD protection capabilities

US Patent 7254168 Method for decomposing timing jitter on arbitrary serial data sequences

US Patent 7254498 Method and apparatus for providing bandwidth extension and channel match for oscilloscopes

US Patent 7256575 Wide bandwidth attenuator input circuit for a measurement probe

US Patent 7257497 Sequential frequency band acquisition apparatus for test and measurement instruments

US Patent 7268783 Image alias rejection using shaped statistical filtering

US Patent 7271337 Security block for a communications connector

US Patent 7271575 Oscilloscope based return loss analyzer

US Patent 7272528 Reloadable word recognizer for logic analyzer

US Patent 7281025 Triggered DDS pulse generator architecture

US Patent 7284025 DDS pulse generator architecture

US Patent 7285948 Method and apparatus providing single cable bi-directional triggering between instruments

US Patent 7289454 Non-invasive estimation of round trip time a packet-oriented acknowledge-based transmission system

US Patent 7294995 Current probing system

US Patent 7295139 Triggered data generator

US Patent 7298129 Time arbitrary signal power statistics measurement device and method

US Patent 7298206 Multi-band amplifier for test and measurement instruments

US Patent 7308519 Communications bus management circuit

US Patent 7309980 Current sensing circuit for use in a current measurement probe

US Patent 7310455 Variable attenuation signal acquisition probing and voltage measurement systems using an electro-optical cavity

US Patent 7315593 Hyperfine oversampler method and apparatus

US Patent 7315731 Method of measuring and calibrating frequency down converter

US Patent 7320014 Method and apparatus for identifying similar events in long data records

US Patent 7327384 Gamut false color display

US Patent 7327992 Tracking generator with internal vector modulation source

US Patent 7328141 Timeline presentation and control of simulated load traffic

US Patent 7340656 Method and apparatus for probing a computer bus

US Patent 7341474 Lumped resistance electrical cable

US Patent 7348908 Linearity corrector using filter products

US Patent 7352167 Digital trigger

US Patent 7352827 Multichannel simultaneous real time spectrum analysis with offset frequency trigger

US Patent D566046 Receptacle for accessory-host interface

US Patent D566047 Plug for accessory-host interface

US Patent 7355776 Acoustic damping material for electro-optic materials

US Patent D566591 Front panel for measurement instruments

US Patent D566592 Front panel for measurement instruments

US Patent 7358717 Input by-pass circuit for a current probe

US Patent 7359810 Characterizing newly acquired waveforms for identification of waveform anomalies

US Patent D567124 Front panel for measurement instruments

US Patent 7362112 Signal acquisition probe having a retractable double cushioned probing tip assembly

US Patent 11181552 Categorization of acquired data based on explicit and implicit means

US Patent 11181553 Recommending measurements based on detected waveform type

US Patent 11181581 Switching loss measurement and plot in test and measurement instrument

US Patent 7366628 Compressed logic sample storage

US Patent 7369507 Process for learning the basic finite automation of a protocol implementation

US Patent 7369604 Time correlation of data acquisition samples from independent systems in a logic analyzer

US Patent 7373263 Analog-type measurements for a logic analyzer

US Patent 7373282 Fault severity check and source identification

US Patent 7376524 Transition-density based time measurement method

US Patent 7378936 Circuit element with laser trimmed component

US Patent 7379830 Period determination of a periodic NRZ signal

US Patent 7388441 Robust phase-lock detector

US Patent 7389447 User interface for an event monitor

US Patent 7398175 Method and apparatus providing multiple channel multiple instrument triggering

US Patent 7401385 Molded instrument handle and method of manufacturing

US Patent 7402991 Wide bandwidth attenuator input circuit for a measurement probe

US Patent 7404679 Termination for optic fiber with improved optical features

US Patent 7405575 Signal analysis system and calibration method for measuring the impedance of a device under test

US Patent 7405747 Extended K2T measurement of video

US Patent 7406493 Up-sampling half-band reconstruction filtering

US Patent 7408363 Signal analysis system and calibration method for processing acquires signal samples with an arbitrary load

US Patent 7408406 Mode selection amplifier circuit usable in a signal acquisition probe

US Patent 7414411 Signal analysis system and calibration method for multiple signal probes

US Patent 7418357 Realtime power mask trigger

US Patent 7424177 Variable attenuation signal acquisition probing and voltage measurement systems using an electro-optical cavity

US Patent 7428464 Wideband signal analyzer

US Patent 7430247 Carrier frequency detection for N-ary phase modulated signal

US Patent 7436191 Differential measurement probe having a ground clip system for the probing tips

US Patent 7447671 Configuration of a measurement test on a protocol tester

US Patent 7460983 Signal analysis system and calibration method

US Patent 7463015 Time shifting signal acquisition probe system

US Patent 7463180 Analog to digital conversion apparatus

US Patent 7466718 Decoding device for analyzing communication protocols

US Patent 7466724 Apparatus and method of analyzing packetized data spanning over multiple clock cycles

US Patent 7471652 Real-time RF/IF signature trigger

US Patent 7474972 Bandwidth multiplication for a test and measurement instrument using non-periodic functions for mixing

US Patent 7477286 Rectangular gamut display

US Patent 7480839 Qualified anomaly detection

US Patent 7493223 Pattern identification and bit level measurements on repetitive patterns

US Patent 7495688 Generating an MPEG sequence for multiple CAV measurements

US Patent 7496814 Load testing of a telecommunication network

US Patent 7508239 Pattern sequence and state transition triggers

US Patent 7516028 User-placed marks in a long record length waveform

US Patent 11187720 Test and measurement devices, systems, and methods associated with augmented reality

US Patent 11188493 Bus decode and triggering on digital down converted data in a test and measurement instrument

US Patent 7519330 Simultaneous ACLR measurement

US Patent 7519491 Data processing method for spectrum analyzer

US Patent 7521634 Multi-Channel signal acquisition probe

US Patent 7522661 Method of producing a two-dimensional probability density function (PDF) eye diagram and Bit Error Rate eye arrays

US Patent 7526395 Logic analyzer using a digital filter

US Patent 7526972 Probe holder for various thickness substrates

US Patent 7529641 Mixed signal display for a measurement instrument

US Patent 7532492 Host controlled voltage input system for an accessory device

US Patent 7535848 System and method for associating IP services to mobile subscribers

US Patent 7539609 Creation of a protocol stack

US Patent 7542430 System and method for measuring end-to-end network delay and user-perspective delay

US Patent 7545377 Method and apparatus for digitized waveform display

US Patent 7550962 Wide bandwidth attenuator input circuit for a measurement probe

US Patent 7554338 Display for measuring phase noise characteristics

US Patent 7558234 System and method for correlation of mobile subscriber activity across multiple interfaces in a GPRS network

US Patent 7558936 Data management in long record length memory

US Patent 7560944 Differential measurement probe having a ground clip system for the probing tips

US Patent 7571067 Instrument ring architecture for use with a multi-core processor

US Patent 7574319 Instrument architecture with circular processing queue

US Patent 7580527 Communication monitoring in a mobile radio network

US Patent 7583610 Determination of speech latency across a telecommunication network element

US Patent 7584235 Variable passband autoregressive moving average filter

US Patent 7586318 Differential measurement probe having a ground clip system for the probing tips

US Patent 7586515 Instrument for real-time video quality measurement

US Patent 7590427 Method and apparatus for allocating at least one parameter to at least one transmission channel

US Patent 7592822 Probing adapter for a signal acquisition probe having pivoting, compliant, variable spacing probing tips

US Patent 7593814 Attaching measurement data to an area map

US Patent 7609135 Switching apparatus with voltage spike prevention

US Patent 7610161 Wander gamut display

US Patent 7610178 Noise reduction filter for trigger circuit

US Patent 7620509 Detection of time-frequency codes using a spectrogram

US Patent 7623581 Reference clock recovery for “eye” measurements

US Patent 7634747 Trace delay error compensation

US Patent 7642822 Analog phase-locked loop

US Patent 7646723 Protocol test device having at least two channels

US Patent 7649930 Filter equalization using magnitude measurement data

US Patent 7652465 No dead time data acquisition

US Patent 7652598 Serial data analysis improvement

US Patent 7652667 Method and apparatus for visually indicating mask violation locations

US Patent 7671856 Measuring timing parameters of RGBHV analog video

US Patent 7680618 Random edge calibration of oversampling digital acquisition system

US Patent 7684338 Circuit arrangement for testing a communication system

US Patent 7685479 Telecommunications network testing

US Patent 7685578 Method and protocol tester for decoding data encoded in accordance with a protocol description

US Patent 7692507 Apparatus and method of generating a plurality of synchronized radio frequency signals

US Patent 7697634 Interpolation of complex signals

US Patent 7702305 Use of a preselection filter bank and switched local oscillator counter in an instrumentation receiver

US Patent 7720137 Characterization of a frequency response for a frequency translation device

US Patent 7723976 Self-adjusting hold-off trigger

US Patent 7729872 Digital signal analysis program and waveform display apparatus

US Patent 7734442 Apparatus and method for a test and measurement instrument

US Patent 7734464 RF autocorrelation signal trigger generator

US Patent 7746058 Sequential equivalent—time sampling with an asynchronous reference clock

US Patent 7751470 Time correlation of signal power to distortion characteristics

US Patent 7756192 Despreading of modulated signals with low noise

US Patent 7759925 Signal analyzer and method for signal analysis

US Patent 7764305 Method and apparatus for generating a reference television signal

US Patent 7765086 Modulation domain trigger

US Patent 7765320 Configuration of filter for data stream organized in frames

US Patent 7773112 Automatic measurement of video parameters

US Patent 7777659 Analog to digital conversion system

US Patent 7778315 Measuring instantaneous signal dependent nonlinear distortion in response to varying frequency sinusoidal test signal

US Patent 7782767 Method and system for calculating burst bit rate for IP interactive applications

US Patent 7787576 Time synchronization of master and slave devices

US Patent 7793171 Protocol tester and method for performing a protocol test

US Patent 7795860 Multiple probe acquisition system

US Patent 7801206 Encoded serial data bit error detector

US Patent 7816904 Modulation signature trigger

US Patent 7817765 Digital transmission apparatus and methods

US Patent 7827209 Data object based data analysis

US Patent 7834780 Waveform compression and display

US Patent 7835403 Stream analysis apparatus and stream analysis display method

US Patent 7839792 Time-correlated, simultaneous measurement and analysis of network signals from multiple communication networks

US Patent 7847792 Simple integrated control for zoom/pan functions

US Patent 7852839 Method and device for the provision, in an order according to ATM channels, of ATM cells at an interface arranged between a first and a second node of a transmission system

US Patent 7855547 Drawing waveforms in no dead time acquisition system

US Patent 7855998 Gb parameter based radio priority

US Patent 7864908 Apparatus and methods for clock signal recovery and for jitter measurement relative to the recovered clock signal

US Patent 7868625 Slot interposer probe

US Patent 7868664 Generating a trigger from a differential signal

US Patent 7873486 Spectrogram mask trigger

US Patent 7889198 Display method for signal analyzer

US Patent 7889211 Measuring PSNR of full color video

US Patent 7890679 Data generator for generating data of arbitrary length

US Patent 7892021 Lumped resistance electrical cable

US Patent 7894419 Activity display for multiple data channels over period of time

US Patent 7894533 Analyzing a transport stream

US Patent 7907586 Determining a transmission parameter in a transmission system

US Patent 7912117 Transport delay and jitter measurements

US Patent 7920743 Displaying time sequence of 2-dimensional data

US Patent 7920758 Measurement apparatus and method of measurement of video spatial scale, offset and cropping

US Patent 7920990 Apparatus and methods of defining spectral regions of interest for signal analysis

US Patent 7940067 Probe with printed tip

US Patent 7940813 Demultiplexing digital data into a 3X mode

US Patent 7945407 Signal analyzers and frequency domain data production methods

US Patent 7977804 Ball-bump bonded ribbon-wire interconnect

US Patent 7978933 Systems and methods for robust video temporal registration

US Patent 7983332 Eye violation and excess jitter trigger

US Patent 7994801 Calibrated S-parameter measurements of a high impedance probe

US Patent 7995149 Subjectively weighted noise measurement

US Patent 7995647 Apparatus and method for evaluating propagation path conditions

US Patent 8000919 Calibration of a partially symmetric fixture

US Patent D643841 Adapter for accessory-host interface

US Patent 8004969 Cell level congestion policy management