P

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 patents
US7301350B2Nov 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 patents

SHAHPARNIA SHAHROOZ

2 patents

WASHBURN CLYDE

2 patents

SCHWARTZ ADAM

1 patent

REYNOLDS JOSEPH KURTH

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.