Inventor
HARGREAVES KIRK
US56 patents
⚠️ This page may combine multiple inventors who share the name “HARGREAVES KIRK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYNAPTICS INC
38 patentsUS7301350B2Nov 27, 2007
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC141 citations99
US7288946B2Oct 30, 2007
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC159 citations99
US7031886B1Apr 18, 2006
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency
SYNAPTICS INC166 citations99
US7683641B2Mar 23, 2010
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC59 citations98
US7453270B2Nov 18, 2008
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC64 citations98
US7451050B2Nov 11, 2008
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency
SYNAPTICS INC73 citations98
US7521941B2Apr 21, 2009
Methods and systems for detecting a capacitance using switched charge transfer techniques
SYNAPTICS INC80 citations97
US7423437B2Sep 9, 2008
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC48 citations96
US7777501B2Aug 17, 2010
Methods and systems for sigma delta capacitance measuring using shared component
SYNAPTICS INC40 citations93
US7449895B2Nov 11, 2008
Methods and systems for detecting a capacitance using switched charge transfer techniques
SYNAPTICS INC49 citations92
US9977519B2May 22, 2018
Active pen with bidirectional communication
SYNAPTICS INC20 citations91
US11048367B2Jun 29, 2021
Capacitive sensor device
SYNAPTICS INC9 citations84
US9933867B2Apr 3, 2018
Active pen capacitive displacement gauge
SYNAPTICS INC8 citations84
US9354264B2May 31, 2016
Transcapacitive sensor devices with seams
SYNAPTICS INC7 citations84
US7977954B2Jul 12, 2011
Methods and systems for sigma delta capacitance measuring using shared components
SYNAPTICS INC12 citations84
US7924029B2Apr 12, 2011
Half-bridge for capacitive sensing
SYNAPTICS INC7 citations84
US7902842B2Mar 8, 2011
Methods and systems for switched charge transfer capacitance measuring using shared components
SYNAPTICS INC10 citations84
US7948245B2May 24, 2011
Methods and systems for detecting a capacitance using sigma-delta measurement techniques
SYNAPTICS INC5 citations74
US10976432B2Apr 13, 2021
Acoustic locationing for smart environments
SYNAPTICS INC3 citations73
US10126874B2Nov 13, 2018
Active pen panel receiver interference cancellation
SYNAPTICS INC2 citations73
US9608613B2Mar 28, 2017
Efficient high voltage square wave generator
SYNAPTICS INC5 citations73
US9218095B2Dec 22, 2015
Non-linear feedback capacitance sensing
SYNAPTICS INC6 citations73
US9958993B2May 1, 2018
Active matrix capacitive fingerprint sensor with 1-TFT pixel architecture for display integration
SYNAPTICS INC6 citations72
US10816582B2Oct 27, 2020
Sigma-delta configurations for capacitance sensing
SYNAPTICS INC1 citations63
US9880209B2Jan 30, 2018
Capacitive sensing on large touch screens
SYNAPTICS INC1 citations63
US8352202B2Jan 8, 2013
System and method for detecting interfernce in a sensor device using phase shifting
SYNAPTICS INC4 citations63
US10180736B2Jan 15, 2019
Pen with inductor
SYNAPTICS INC1 citations62
US7750649B2Jul 6, 2010
Methods and systems for detecting a capacitance using switched charge transfer techniques
SYNAPTICS INC4 citations62
US11899753B2Feb 13, 2024
Low-light image selection for neural network training
SYNAPTICS INC0 citations61
US11868555B2Jan 9, 2024
Low latency input object detection under low ground mass condition
SYNAPTICS INC1 citations59
US11592925B1Feb 28, 2023
Low latency input object detection under low ground mass condition
SYNAPTICS INC0 citations59
US12019832B2Jun 25, 2024
Low ground mass mitigation for pens
SYNAPTICS INC0 citations56
US11004883B2May 11, 2021
System and method for optical sensing
SYNAPTICS INC0 citations52
US10977987B2Apr 13, 2021
Displays utilizing LEDs as sensing elements
SYNAPTICS INC0 citations52
US10126867B2Nov 13, 2018
Matched filter for a first order sigma delta capacitance measurement system and a method to determine the same
SYNAPTICS INC0 citations52
US10095948B2Oct 9, 2018
Modulation scheme for fingerprint sensing
SYNAPTICS INC1 citations52
US9864455B2Jan 9, 2018
Matched filter for a first order sigma delta capacitance measurement system and a method to determine the same
SYNAPTICS INC0 citations52
US9703436B2Jul 11, 2017
Hybrid large dynamic range capacitance sensing
SYNAPTICS INC1 citations52
HARGREAVES KIRK
6 patentsUS8711120B2Apr 29, 2014
Single integrated circuit configured to operate both a capacitive proximity sensor device and a resistive pointing stick
HARGREAVES KIRK20 citations86
US9417738B2Aug 16, 2016
Untethered active pen and a method for communicating with a capacitive sensing device using the untethered active pen
HARGREAVES KIRK13 citations84
US8415958B2Apr 9, 2013
Single layer capacitive image sensing
HARGREAVES KIRK7 citations83
US8743080B2Jun 3, 2014
System and method for signaling in sensor devices
HARGREAVES KIRK5 citations72
US8884635B2Nov 11, 2014
Transcapacitive charge measurement
HARGREAVES KIRK2 citations62
US9274643B2Mar 1, 2016
Capacitive charge measurement
HARGREAVES KIRK0 citations52
SHAHPARNIA SHAHROOZ
2 patentsWASHBURN CLYDE
2 patentsSCHWARTZ ADAM
1 patentREYNOLDS JOSEPH KURTH
1 patentShowing the top 50 of 56 patents by PatentIndex Score.