Inventor
JETER ROBERT E
US41 patents
Patents
41 patentsUS11217285B1Jan 4, 2022
Memory subsystem calibration using substitute results
APPLE INC15 citations93
US10083736B1Sep 25, 2018
Adaptive calibration scheduling for a memory subsystem based on calibrations of delay applied to data strobe and calibration of reference voltage
APPLE INC22 citations93
US10734983B1Aug 4, 2020
Duty cycle correction with read and write calibration
APPLE INC12 citations85
US9990973B1Jun 5, 2018
Systems and methods using neighboring sample points in memory subsystem calibration
APPLE INC17 citations85
US9672882B1Jun 6, 2017
Conditional reference voltage calibration of a memory system in data transmisson
APPLE INC11 citations84
US9305622B1Apr 5, 2016
Data strobe to data delay calibration
APPLE INC16 citations84
US10242723B1Mar 26, 2019
Method and apparatus for background memory subsystem calibration
APPLE INC8 citations83
US9286961B1Mar 15, 2016
Memory controller half-clock delay adjustment
APPLE INC9 citations83
US9666264B1May 30, 2017
Apparatus and method for memory calibration averaging
APPLE INC15 citations82
US11960739B1Apr 16, 2024
Nominal distance reference voltage calibration
APPLE INC8 citations81
US9698797B1Jul 4, 2017
Hierarchical feedback-controlled oscillator techniques
APPLE INC8 citations79
US9691470B1Jun 27, 2017
Apparatus and method for restricted range memory calibration
APPLE INC5 citations73
US9640244B1May 2, 2017
Pre-calibration for multiple performance states
APPLE INC5 citations73
US9436387B2Sep 6, 2016
System and method for calibration of a memory interface
APPLE INC4 citations73
US9396778B1Jul 19, 2016
Conditional memory calibration cancellation
APPLE INC5 citations73
US10408863B2Sep 10, 2019
Reference voltage prediction in memory subsystem
APPLE INC4 citations72
US9891853B1Feb 13, 2018
Memory calibration abort
APPLE INC2 citations72
US9477259B2Oct 25, 2016
Calibration of clock signal for data transmission
APPLE INC3 citations72
US11776597B2Oct 3, 2023
Memory subsystem calibration using substitute results
APPLE INC2 citations71
US11527269B2Dec 13, 2022
Memory channels calibration during boot wherein channels are calibrated in parallel based on identifers
APPLE INC2 citations70
US9928890B2Mar 27, 2018
System and method for calibrating memory using credit-based segmentation control
APPLE INC2 citations68
US10991403B2Apr 27, 2021
Memory calibration with end point replay
APPLE INC3 citations67
US10402121B2Sep 3, 2019
Systems and methods for reducing performance state change latency
APPLE INC1 citations62
US9390681B2Jul 12, 2016
Temporal filtering for dynamic pixel and backlight control
APPLE INC1 citations62
US9236029B2Jan 12, 2016
Histogram generation and evaluation for dynamic pixel and backlight control
APPLE INC2 citations62
US12293808B2May 6, 2025
Memory subsystem calibration using substitute results
APPLE INC0 citations61
US10175905B2Jan 8, 2019
Systems and methods for dynamically switching memory performance states
APPLE INC1 citations60
US11875871B2Jan 16, 2024
Memory channels calibration during boot wherein channels are calibrated in parallel based on identifer
APPLE INC0 citations59
US10515028B2Dec 24, 2019
Reference voltage calibration using a qualified weighted average
APPLE INC1 citations59
US12423009B2Sep 23, 2025
Concurrent write data strobe and reference voltage calibrations
APPLE INC0 citations58
US11226752B2Jan 18, 2022
Filtering memory calibration
APPLE INC0 citations55
US12399634B2Aug 26, 2025
Memory calibration and margin check
APPLE INC0 citations54
US12014060B2Jun 18, 2024
Memory calibration and margin check
APPLE INC0 citations54
US11501820B2Nov 15, 2022
Selective reference voltage calibration in memory subsystem
APPLE INC0 citations51
US10199011B2Feb 5, 2019
Generation of tone mapping function for dynamic pixel and backlight control
APPLE INC0 citations51
US9697145B2Jul 4, 2017
Memory interface system
APPLE INC0 citations51
US12326768B1Jun 10, 2025
Memory calibration in limited power scenario
APPLE INC0 citations50
US10019387B2Jul 10, 2018
Reference voltage calibration using a qualified weighted average
APPLE INC0 citations49
US12444474B2Oct 14, 2025
Voltage ramp memory calibration
APPLE INC0 citations44
US12542189B1Feb 3, 2026
Memory calibration with reduced calibration parameters
APPLE INC0 citations42
US10877688B2Dec 29, 2020
System for managing memory devices
APPLE INC0 citations41