Inventor

Tejasvi Das

Inventor

Austin, TX, US

Overview

2016–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Fprimary

H03FAmplifiers17%

H03GControl of amplification15%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%

H03MCoding11%

G06FElectric digital data processing9%

H03KPulse technique9%

G01DMeasuring not specially adapted for a specific variable4%

G10LSpeech analysis techniques or speech synthesis3%

G01RMeasuring electric variables2%

G11BInformation storage based on relative movement between record carrier and transducer2%

PatentTitleYear

11,054,889Dynamic power management2021 10,976,825Methods and apparatuses for controlling operation of a vibrational output system and/or operation of an input sensor system2021 10,948,313Spread spectrum sensor scanning using resistive-inductive-capacitive sensors2021 10,942,610False triggering prevention in a resonant phase sensing system2021 10,935,620On-chip resonance detection and transfer function mapping of resistive-inductive-capacitive sensors2021 10,921,159Use of reference sensor in resonant phase sensing system2021 10,908,200Resonant phase sensing of resistive-inductive-capacitive sensors2021 10,860,202Force sensing system and method2020 10,833,657Variable output resistance in a playback path with closed-loop pulse-width modulation driver2020 10,785,568Reducing audio artifacts in a system for enhancing dynamic range of audio signal path2020 10,763,811Gain control in a class-D open-loop amplifier2020 10,725,549Efficient detection of human machine interface interaction using a resonant phase sensing system2020 10,726,873Polymorphic playback system with signal detection filters of different latencies2020 10,658,988Open-loop class-D amplifier system with analog supply ramping2020 10,644,661Variable output resistance in a playback path with open-loop pulse-width modulation driver2020 10,642,435False triggering prevention in a resonant phase sensing system2020 10,637,423Tracking and correcting gain of open-loop driver in a multi-path processing system2020 10,594,310Full-scale range enhancement in a dual-path pulse width modulation playback system2020 10,483,924Systems and methods for predictive switching in audio amplifiers2019 10,476,455Apparatus and method of suppressing transient noise during transition for class-D amplifier system having one or more pulse width modulator output paths2019 10,476,444Cross-fading in dual-path pulse width modulation system2019 10,460,819Noise reduction in voltage reference signal2019 10,447,217Amplifier with configurable final output stage2019 10,404,248Calibration of a dual-path pulse width modulation system2019 10,320,337Fully-differential operational amplifier system2019 10,321,230Switching in an audio system with multiple playback paths2019 10,313,790Polymorphic playback system with switching oscillation prevention2019 10,263,584Calibration of a dual-path pulse width modulation system2019 10,181,845Calibration of a dual-path pulse width modulation system2019 10,128,803Systems and methods for predictive switching in audio amplifiers2018 10,116,473Controlling noise transfer function of signal path to reduce charge pump noise2018 10,044,323Reducing audio artifacts in an amplifier with configurable final output stage2018 10,020,778Reducing audio artifacts in an amplifier with configurable final output stage2018 10,009,686Fully-differential current digital-to-analog converter2018 10,008,992Switching in amplifier with configurable final output stage2018 9,998,823Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement2018 9,967,665Adaptation of dynamic range enhancement based on noise floor of signal2018 9,955,254Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system2018 9,929,703'Amplifier with configurable final output stage'2018 9,917,557'Calibration for amplifier with configurable final output stage'2018 9,880,802'Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system'2018 9,854,357Minimizing startup transients in an audio playback path2017 9,831,843Opportunistic playback state changes for audio devices2017 9,813,814'Enhancing dynamic range based on spectral content of signal'2017 9,692,444'Neutralizing voltage kickback in a switched capacitor based data converter'2017 9,680,488'Switchable secondary playback path'2017 9,648,414'Systems and methods for controlling an audio signal path using redundant uninterruptable clock'2017 9,596,537'Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement'2017 9,584,911'Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses'2017 9,391,576'Enhancement of dynamic range of audio signal path'2016 9,337,795'Systems and methods for gain calibration of an audio signal path'2016 9,306,588'Switchable secondary playback path'2016 9,301,046'Systems and methods for minimizing distortion in an audio output stage'2016 9,258,001'Dual-input oscillator for redundant phase-locked loop (PLL) operation'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2021Patents assigned to CIRRUS LOGIC INC (53)· patent assignee history

2016–2021Based in Austin, TX, US· patent location history

2017–2021Patents assigned to CIRRUS LOGIC INT SEMICONDUCTOR LTD (41)· patent assignee history

2021Patents assigned to CISCO TECH INC (1)· patent assignee history

2021Based in Cupertino, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIRRUS LOGIC INC	53	2016–2021
CIRRUS LOGIC INT SEMICONDUCTOR LTD	41	2017–2021
CISCO TECH INC	1	2021

Locations

Location	Patents	Span
Austin, Texas, US	53	2016–2021
Cupertino, California, US	1	2021