Inventor
HOGAN RODERICK B
US23 patents
⚠️ This page may combine multiple inventors who share the name “HOGAN RODERICK B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
20 patentsUS9967664B1May 8, 2018
Sensor assembly for measuring diaphragm displacement and temperature in a micro speaker
APPLE INC29 citations92
US10283989B1May 7, 2019
Electrical power converter and detachable energy storage reservoir
APPLE INC21 citations90
US10911009B2Feb 2, 2021
Current-source switching hybrid audio amplifier
APPLE INC6 citations73
US9681228B2Jun 13, 2017
Capacitive position sensing for transducers
APPLE INC3 citations73
US10149078B2Dec 4, 2018
Capacitive sensing of a moving-coil structure with an inset plate
APPLE INC2 citations72
US9847713B2Dec 19, 2017
Charge pump-based split-rail supply generation
APPLE INC2 citations71
US10917050B2Feb 9, 2021
Amplifier power converter input current/power limit adjustment using amplifier load determinations
APPLE INC5 citations68
US11166106B2Nov 2, 2021
High output impedance audio amplifier for noise rejection
APPLE INC0 citations62
US10254134B2Apr 9, 2019
Interference-insensitive capacitive displacement sensing
APPLE INC1 citations62
US11455265B2Sep 27, 2022
Data bus driver with electrical energy dump
APPLE INC0 citations59
US10963410B2Mar 30, 2021
Data bus driver with electrical energy dump
APPLE INC0 citations59
US10674280B2Jun 2, 2020
High output impedance audio amplifier for noise rejection
APPLE INC0 citations52
US9826308B2Nov 21, 2017
Capacitive displacement sensing circuit with a guard voltage source
APPLE INC0 citations52
US9332343B2May 3, 2016
Multi-channel audio system having a shared current sense element for estimating individual speaker impedances using test signals
APPLE INC0 citations51
US9247345B2Jan 26, 2016
Multi-channel audio system having a shared current sense element for estimating individual speaker impedances
APPLE INC1 citations51
US10212500B2Feb 19, 2019
Digital transducer circuit
APPLE INC0 citations50
US9729964B2Aug 8, 2017
Audio apparatus having dynamic ground break resistance
APPLE INC1 citations50
US10666209B2May 26, 2020
Increased output impedance switching amplifier and low-side recycle mode
APPLE INC0 citations45
US9854355B2Dec 26, 2017
Grounding circuit for alternate audio plug designs
APPLE INC0 citations45
US9793658B2Oct 17, 2017
Reuse of plug detection contacts to reduce crosstalk
APPLE INC0 citations43