Inventor
Lennart Karl-Axel Mathe
Inventor
San Diego, CA, US
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers18%
H03KPulse technique10%
G06FElectric digital data processing9%
H03MCoding9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H04BTransmission6%
G05FSystems for regulating electric or magnetic variables5%
G06KGraphical data reading5%
G06VImage or video recognition or understanding5%
H03HImpedance networks, e.g. resonant circuits4%
PatentTitleYear
10,969,816Bias generation and distribution for a large array of sensors202110,733,409Hybrid capacitive and ultrasonic sensing202010,503,196Bias generation and distribution for a large array of sensors201910,353,511Capacitance-to-voltage modulation circuit201910,254,901Method and integrated circuit to generate a signal to operate a sensor array201910,235,552Hybrid capacitive and ultrasonic sensing201910,039,526Pixel receiver with low frequency noise reduction for ultrasonic imaging apparatus201810,004,432Pixel receiver with capacitance cancellation for ultrasonic imaging apparatus20189,990,089Sensor array with receiver bias electrode20189,882,479'Switching regulator circuits and methods'20189,837,962Envelope tracker with variable boosted supply voltage20179,537,450'Dynamic headroom for envelope tracking'20179,442,503'Negative current sense feedback for reverse boost mode'20169,379,668'Envelope tracking circuits and methods with adaptive switching frequency'20169,372,492'Programmable frequency range for boost converter clocks'20169,306,520'Reverse current prevention'20169,130,457'Control logic for switches coupled to an inductor'20159,124,231'Soft turn-off for boost converters'20159,083,453'Power supply generator with noise cancellation'20159,059,793'Noise shaping for switching circuitry'20158,901,989'Adaptive gate drive circuit with temperature compensation'20148,866,547'Dynamic headroom for envelope tracking'20148,754,707'Boost converter control for envelope tracking'20148,704,581'Switched capacitor integration and summing circuits'20148,698,558'Low-voltage power-efficient envelope tracker'20148,564,346'Non-overlapping clock generation'20138,300,680'Apparatus and method for dynamic scaling of ADC sampling rate to avoid receiver interference'20128,289,074'Discrete time operational transconductance amplifier for switched capacitor circuits'20128,169,243'Techniques for non-overlapping clock generation'20128,144,042'Combinatorial circuit with shorter delay when inputs arrive sequentially and delta sigma modulator using the combinatorial circuit'20128,140,026'All-digital selectable duty cycle generation'20127,965,134'Spur attenuation devices, systems, and methods'20117,898,453'Apparatus and method for successive approximation analog-to-digital conversion'20117,791,520'Low power, low noise digital-to-analog converter reference circuit'20107,768,433'Dynamic slew rate control based on a feedback signal'20107,266,354'Reducing the peak-to-average power ratio of a communication signal'20077,068,984'Systems and methods for amplification of a communication signal'20067,061,313'Dual feedback linear amplifier'20066,944,219'Low-power programmable digital filter'20056,893,101'Active element bias circuit for RF power transistor input'20056,792,252'Wideband error amplifier'20046,661,217'Wideband precision current sensor'20036,583,664'Apparatus and method for efficiently amplifying wideband envelope signals'20036,389,069'Low power programmable digital filter'20026,347,123'Low-current sample rate converter'20026,300,826'Apparatus and method for efficiently amplifying wideband envelope signals'20016,243,430'Noise cancellation circuit in a quadrature downconverter'20016,229,998'Method and system for detecting in-band jammers in a spread spectrum wireless base station'20015,825,253'Phase-locked-loop with noise shaper'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2021Patents assigned to QUALCOMM INC (41)· patent assignee history
1998–2021Based in San Diego, CA, US· patent location history
2001–2007Patents assigned to ERICSSON TELEFON AB L M (8)· patent assignee history
2012–2014Patents assigned to MATHE LENNART K (4)· patent assignee history
2012–2013Patents assigned to ALLADI DINESH J (3)· patent assignee history
2012–2013Patents assigned to MATHE LENNART (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 41 | 1998–2021 |
| ERICSSON TELEFON AB L M | 8 | 2001–2007 |
| MATHE LENNART Kself | 4 | 2012–2014 |
| ALLADI DINESH J | 3 | 2012–2013 |
| MATHE LENNARTself | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 49 | 1998–2021 |