Lennart Karl-Axel Mathe

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Obtaining accurate timing of analog to digital converter samples in...
- Patent number 11,968,288
- Issue date Apr 23, 2024
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Obtaining accurate timing of analog to digital converter samples in...
- Patent number 11,929,766
- Issue date Mar 12, 2024
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low jitter delay cell
- Patent number 11,757,455
- Issue date Sep 12, 2023
- QUALCOMM Incorporated
- Sameer Wadhwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control of a user device under wet conditions
- Patent number 11,695,865
- Issue date Jul 4, 2023
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low-power inter-die communication using delay lines
- Patent number 11,695,400
- Issue date Jul 4, 2023
- QUALCOMM Incorporated
- Sameer Wadhwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control of a user device under wet conditions
- Patent number 11,394,819
- Issue date Jul 19, 2022
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bias generation and distribution for a large array of sensors
- Patent number 10,969,816
- Issue date Apr 6, 2021
- QUALCOMM Incorporated
- Sameer Wadhwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hybrid capacitive and ultrasonic sensing
- Patent number 10,733,409
- Issue date Aug 4, 2020
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bias generation and distribution for a large array of sensors
- Patent number 10,503,196
- Issue date Dec 10, 2019
- QUALCOMM Incorporated
- Sameer Wadhwa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Capacitance-to-voltage modulation circuit
- Patent number 10,353,511
- Issue date Jul 16, 2019
- QUALCOMM Incorporated
- Bo-Ren Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and integrated circuit to generate a signal to operate a sen...
- Patent number 10,254,901
- Issue date Apr 9, 2019
- QUALCOMM Incorporated
- Timothy Dickinson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hybrid capacitive and ultrasonic sensing
- Patent number 10,235,552
- Issue date Mar 19, 2019
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pixel receiver with low frequency noise reduction for ultrasonic im...
- Patent number 10,039,526
- Issue date Aug 7, 2018
- QUALCOMM Incorporated
- Sameer Wadhwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pixel receiver with capacitance cancellation for ultrasonic imaging...
- Patent number 10,004,432
- Issue date Jun 26, 2018
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sensor array with receiver bias electrode
- Patent number 9,990,089
- Issue date Jun 5, 2018
- QUALCOMM Incorporated
- Timothy Dickinson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switching regulator circuits and methods
- Patent number 9,882,479
- Issue date Jan 30, 2018
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Envelope tracker with variable boosted supply voltage
- Patent number 9,837,962
- Issue date Dec 5, 2017
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic headroom for envelope tracking
- Patent number 9,537,450
- Issue date Jan 3, 2017
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Negative current sense feedback for reverse boost mode
- Patent number 9,442,503
- Issue date Sep 13, 2016
- QUALCOMM Incorporated
- Joseph D Rutkowski
- G05 - CONTROLLING REGULATING
Information Patent Grant
Envelope tracking circuits and methods with adaptive switching freq...
- Patent number 9,379,668
- Issue date Jun 28, 2016
- QUALCOMM Incorporated
- Jongrit Lerdworatawee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable frequency range for boost converter clocks
- Patent number 9,372,492
- Issue date Jun 21, 2016
- QUALCOMM Incorporated
- Song S Shi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Reverse current prevention
- Patent number 9,306,520
- Issue date Apr 5, 2016
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control logic for switches coupled to an inductor
- Patent number 9,130,457
- Issue date Sep 8, 2015
- QUALCOMM Incorporated
- Song S Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Soft turn-off for boost converters
- Patent number 9,124,231
- Issue date Sep 1, 2015
- Qualcomm, Inc.
- Song S Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply generator with noise cancellation
- Patent number 9,083,453
- Issue date Jul 14, 2015
- QUALCOMM Incorporated
- Liang Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise shaping for switching circuitry
- Patent number 9,059,793
- Issue date Jun 16, 2015
- QUALCOMM Incorporated
- Song S Shi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Adaptive gate drive circuit with temperature compensation
- Patent number 8,901,989
- Issue date Dec 2, 2014
- QUALCOMM Incorporated
- Narendra Singh Mehta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic headroom for envelope tracking
- Patent number 8,866,547
- Issue date Oct 21, 2014
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Boost converter control for envelope tracking
- Patent number 8,754,707
- Issue date Jun 17, 2014
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switched capacitor integration and summing circuits
- Patent number 8,704,581
- Issue date Apr 22, 2014
- QUALCOMM Incorporated
- Lennart K-A Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...
- Publication number 20240223350
- Publication date Jul 4, 2024
- QUALCOMM Incorporated
- Lennart Karl-Axel MATHE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW-POWER INTER-DIE COMMUNICATION USING DELAY LINES
- Publication number 20240056067
- Publication date Feb 15, 2024
- QUALCOMM Incorporated
- Sameer WADHWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...
- Publication number 20230336324
- Publication date Oct 19, 2023
- QUALCOMM Incorporated
- Lennart Karl-Axel MATHE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...
- Publication number 20230336192
- Publication date Oct 19, 2023
- QUALCOMM Incorporated
- Lennart Karl-Axel MATHE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL OF A USER DEVICE UNDER WET CONDITIONS
- Publication number 20220353360
- Publication date Nov 3, 2022
- QUALCOMM Incorporated
- Sandeep Louis D'SOUZA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL OF A USER DEVICE UNDER WET CONDITIONS
- Publication number 20210067623
- Publication date Mar 4, 2021
- QUALCOMM Incorporated
- Sandeep Louis D'SOUZA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
THREE-LEVEL VOLTAGE BURST GENERATION SUITABLE FOR ULTRASONIC IMAGIN...
- Publication number 20200156108
- Publication date May 21, 2020
- QUALCOMM Incorporated
- Shitong Zhao
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
BIAS GENERATION AND DISTRIBUTION FOR A LARGE ARRAY OF SENSORS
- Publication number 20200050232
- Publication date Feb 13, 2020
- QUALCOMM Incorporated
- Sameer WADHWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus and Method for Biometric Sampling
- Publication number 20190354743
- Publication date Nov 21, 2019
- QUALCOMM Incorporated
- Ashish HINGER
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIAS GENERATION AND DISTRIBUTION FOR A LARGE ARRAY OF SENSORS
- Publication number 20190324489
- Publication date Oct 24, 2019
- QUALCOMM Incorporated
- Sameer WADHWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR DETECTING DAMAGE TO AN INTEGRATED CIRCUIT
- Publication number 20190250208
- Publication date Aug 15, 2019
- QUALCOMM Incorporated
- Vijayakumar DHANASEKARAN
- G01 - MEASURING TESTING
Information Patent Application
HYBRID CAPACITIVE AND ULTRASONIC SENSING
- Publication number 20190073507
- Publication date Mar 7, 2019
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL RECEIVER WITH LOW FREQUENCY NOISE REDUCTION FOR ULTRASONIC IM...
- Publication number 20180310921
- Publication date Nov 1, 2018
- QUALCOMM Incorporated
- Sameer WADHWA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HYBRID CAPACITIVE AND ULTRASONIC SENSING
- Publication number 20180101711
- Publication date Apr 12, 2018
- QUALCOMM Incorporated
- Sandeep Louis D'Souza
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CAPACITANCE-TO-VOLTAGE MODULATION CIRCUIT
- Publication number 20180052558
- Publication date Feb 22, 2018
- QUALCOMM Incorporated
- Bo-Ren WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL RECEIVER WITH LOW FREQUENCY NOISE REDUCTION FOR ULTRASONIC IM...
- Publication number 20170079624
- Publication date Mar 23, 2017
- QUALCOMM Incorporated
- Sameer Wadhwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SWITCHING REGULATOR CIRCUITS AND METHODS
- Publication number 20170085176
- Publication date Mar 23, 2017
- QUALCOMM Incorporated
- Lennart Karl-Axel MATHE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PIXEL RECEIVER WITH CAPACITANCE CANCELLATION FOR ULTRASONIC IMAGING...
- Publication number 20170059699
- Publication date Mar 2, 2017
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- G01 - MEASURING TESTING
Information Patent Application
RC OSCILLATOR
- Publication number 20160087582
- Publication date Mar 24, 2016
- QUALCOMM Incorporated
- Lennart Karl-Axel MATHE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SENSOR ARRAY WITH RECEIVER BIAS ELECTRODE
- Publication number 20150016223
- Publication date Jan 15, 2015
- QUALCOMM Incorporated
- Timothy Dickinson
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND INTEGRATED CIRCUIT FOR OPERATING A SENSOR ARRAY
- Publication number 20150015515
- Publication date Jan 15, 2015
- QUALCOMM Incorporated
- Timothy Dickinson
- G01 - MEASURING TESTING
Information Patent Application
DYNAMIC HEADROOM FOR ENVELOPE TRACKING
- Publication number 20150002235
- Publication date Jan 1, 2015
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ENVELOPE TRACKER WITH VARIABLE BOOSTED SUPPLY VOLTAGE
- Publication number 20140361830
- Publication date Dec 11, 2014
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
NOISE SHAPING FOR SWITCHING CIRCUITRY
- Publication number 20140213208
- Publication date Jul 31, 2014
- QUALCOMM Incorporated
- Song S. Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DYNAMIC HEADROOM FOR ENVELOPE TRACKING
- Publication number 20140210559
- Publication date Jul 31, 2014
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SOFT TURN-OFF FOR BOOST CONVERTERS
- Publication number 20140210548
- Publication date Jul 31, 2014
- QUALCOMM Incorporated
- Song S. Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NEGATIVE CURRENT SENSE FEEDBACK FOR REVERSE BOOST MODE
- Publication number 20140210433
- Publication date Jul 31, 2014
- QUALCOMM Incorporated
- Joseph D Rutkowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REVERSE CURRENT PREVENTION
- Publication number 20140210550
- Publication date Jul 31, 2014
- QUALCOMM Incorporated
- Lennart Karl-Axel Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PROGRAMMABLE FREQUENCY RANGE FOR BOOST CONVERTER CLOCKS
- Publication number 20140197814
- Publication date Jul 17, 2014
- QUALCOMM Incorporated
- Song S. Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BOOST CONVERTER CONTROL
- Publication number 20140111170
- Publication date Apr 24, 2014
- QUALCOMM Incorporated
- Song Stone Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Lennart Karl-Axel Mathe

Person

Patents Grantslast 30 patents

Obtaining accurate timing of analog to digital converter samples in...

Obtaining accurate timing of analog to digital converter samples in...

Low jitter delay cell

Control of a user device under wet conditions

Low-power inter-die communication using delay lines

Control of a user device under wet conditions

Bias generation and distribution for a large array of sensors

Hybrid capacitive and ultrasonic sensing

Bias generation and distribution for a large array of sensors

Capacitance-to-voltage modulation circuit

Method and integrated circuit to generate a signal to operate a sen...

Hybrid capacitive and ultrasonic sensing

Pixel receiver with low frequency noise reduction for ultrasonic im...

Pixel receiver with capacitance cancellation for ultrasonic imaging...

Sensor array with receiver bias electrode

Switching regulator circuits and methods

Envelope tracker with variable boosted supply voltage

Dynamic headroom for envelope tracking

Negative current sense feedback for reverse boost mode

Envelope tracking circuits and methods with adaptive switching freq...

Programmable frequency range for boost converter clocks

Reverse current prevention

Control logic for switches coupled to an inductor

Soft turn-off for boost converters

Power supply generator with noise cancellation

Noise shaping for switching circuitry

Adaptive gate drive circuit with temperature compensation

Dynamic headroom for envelope tracking

Boost converter control for envelope tracking

Switched capacitor integration and summing circuits

Patents Applicationslast 30 patents

OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...

LOW-POWER INTER-DIE COMMUNICATION USING DELAY LINES

OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...

OBTAINING ACCURATE TIMING OF ANALOG TO DIGITAL CONVERTER SAMPLES IN...

CONTROL OF A USER DEVICE UNDER WET CONDITIONS

CONTROL OF A USER DEVICE UNDER WET CONDITIONS

THREE-LEVEL VOLTAGE BURST GENERATION SUITABLE FOR ULTRASONIC IMAGIN...

BIAS GENERATION AND DISTRIBUTION FOR A LARGE ARRAY OF SENSORS

Apparatus and Method for Biometric Sampling

BIAS GENERATION AND DISTRIBUTION FOR A LARGE ARRAY OF SENSORS

APPARATUS AND METHOD FOR DETECTING DAMAGE TO AN INTEGRATED CIRCUIT

HYBRID CAPACITIVE AND ULTRASONIC SENSING

PIXEL RECEIVER WITH LOW FREQUENCY NOISE REDUCTION FOR ULTRASONIC IM...

HYBRID CAPACITIVE AND ULTRASONIC SENSING

CAPACITANCE-TO-VOLTAGE MODULATION CIRCUIT

PIXEL RECEIVER WITH LOW FREQUENCY NOISE REDUCTION FOR ULTRASONIC IM...

SWITCHING REGULATOR CIRCUITS AND METHODS

PIXEL RECEIVER WITH CAPACITANCE CANCELLATION FOR ULTRASONIC IMAGING...

RC OSCILLATOR

SENSOR ARRAY WITH RECEIVER BIAS ELECTRODE

METHOD AND INTEGRATED CIRCUIT FOR OPERATING A SENSOR ARRAY

DYNAMIC HEADROOM FOR ENVELOPE TRACKING

ENVELOPE TRACKER WITH VARIABLE BOOSTED SUPPLY VOLTAGE

NOISE SHAPING FOR SWITCHING CIRCUITRY

DYNAMIC HEADROOM FOR ENVELOPE TRACKING

SOFT TURN-OFF FOR BOOST CONVERTERS

NEGATIVE CURRENT SENSE FEEDBACK FOR REVERSE BOOST MODE

REVERSE CURRENT PREVENTION

PROGRAMMABLE FREQUENCY RANGE FOR BOOST CONVERTER CLOCKS

BOOST CONVERTER CONTROL