Inventor
PRETL HARALD
AT39 patents
⚠️ This page may combine multiple inventors who share the name “PRETL HARALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
20 patentsUS12047101B2Jul 23, 2024
Background noise recorder
APPLE INC2 citations73
US12040772B2Jul 16, 2024
Machine-learning based tuning algorithm for duplexer systems
APPLE INC3 citations73
US11828871B2Nov 28, 2023
Electronic devices having spatial ranging calibration capabilities
APPLE INC3 citations73
US11791973B2Oct 17, 2023
Full-duplex electrical balanced duplexer
APPLE INC2 citations73
US11323070B1May 3, 2022
Oscillator with fin field-effect transistor (FinFET) resonator
APPLE INC3 citations70
US12057821B2Aug 6, 2024
Fin field-effect transistor (FinFET) resonator
APPLE INC2 citations69
US12498473B2Dec 16, 2025
Electronic devices with background-cancelled ultra short range object detection
APPLE INC0 citations62
US12388481B2Aug 12, 2025
Background noise recorder
APPLE INC0 citations62
US12244546B2Mar 4, 2025
Full-duplex electrical balanced duplexer
APPLE INC0 citations62
US12013455B2Jun 18, 2024
Electronic devices with background-cancelled ultra short range object detection
APPLE INC0 citations62
US12368429B2Jul 22, 2025
Machine-learning based tuning algorithm for duplexer systems
APPLE INC0 citations61
US12316276B2May 27, 2025
Oscillator with fin field-effect transistor (FinFET) resonator
APPLE INC0 citations60
US11894807B2Feb 6, 2024
Oscillator with fin field-effect transistor (FinFET) resonator
APPLE INC0 citations60
US11258506B2Feb 22, 2022
Method and apparatus for transmitting and receiving multiple carriers with multiple antennas
APPLE INC0 citations60
US12308815B2May 20, 2025
Differential double balanced duplexer
APPLE INC0 citations59
US12283739B2Apr 22, 2025
Duplexer architecture using 90 degree hybrid coupler based balancing conditions
APPLE INC0 citations57
US12283936B2Apr 22, 2025
Duplexer measurement and tuning systems
APPLE INC0 citations53
US12143145B2Nov 12, 2024
Duplexer measurement and tuning systems
APPLE INC0 citations53
US11570033B1Jan 31, 2023
Multiphase signal generator
APPLE INC0 citations52
US12568009B2Mar 3, 2026
Electronic devices with standard-compliant sensing capabilities
APPLE INC0 citations48
INFINEON TECHNOLOGIES AG
7 patentsUS6989718B2Jan 24, 2006
Circuit and method for phase locked loop charge pump biasing
INFINEON TECHNOLOGIES AG22 citations92
US7847642B2Dec 7, 2010
Frequency tuning circuit, use of the tuning circuit and method for frequency tuning
INFINEON TECHNOLOGIES AG12 citations84
US7057457B2Jun 6, 2006
Low-noise amplifying circuit
INFINEON TECHNOLOGIES AG19 citations82
US7109796B2Sep 19, 2006
Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit
INFINEON TECHNOLOGIES AG14 citations80
US7929936B2Apr 19, 2011
Receiver arrangement with AC coupling
INFINEON TECHNOLOGIES AG6 citations71
US7446605B2Nov 4, 2008
Amplifier arrangement with controllable gain and method for controlling an amplifier gain
INFINEON TECHNOLOGIES AG2 citations60
US7292099B2Nov 6, 2007
Amplifier arrangement and method for operation of an amplifier arrangement
INFINEON TECHNOLOGIES AG5 citations60
INTEL MOBILE COMM GMBH
5 patentsUS8803720B2Aug 12, 2014
RF-DAC cell and method for providing an RF output signal
INTEL MOBILE COMM GMBH12 citations82
US9054921B2Jun 9, 2015
Method and apparatus for generating a plurality of modulated signals
INTEL MOBILE COMM GMBH3 citations60
US8867665B2Oct 21, 2014
Communication systems and methods supporting multiple modulation techniques
INTEL MOBILE COMM GMBH2 citations60
US9252820B2Feb 2, 2016
Circuit and mobile communication device
INTEL MOBILE COMM GMBH0 citations42
US8781414B2Jul 15, 2014
Envelope detector and method for detecting an envelope of a signal to be amplified by a power amplifier
INTEL MOBILE COMM GMBH0 citations39