Hargreaves; Kirk

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hargreaves; Kirk.The latest application filed is for "acoustic locationing for smart environments".

Company Profile

7.64.57

Hargreaves; Kirk - Sunnyvale CA
Hargreaves; Kirk - Mountain View CA
Hargreaves; Kirk - San Jose CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Capacitive sensor device Grant 11,048,367 - Reynolds , et al. June 29, 2	2021-06-29
System and method for optical sensing Grant 11,004,883 - Hargreaves May 11, 2	2021-05-11
Displays utilizing LEDs as sensing elements Grant 10,977,987 - Hargreaves April 13, 2	2021-04-13
Acoustic locationing for smart environments Grant 10,976,432 - Schediwy , et al. April 13, 2	2021-04-13
Acoustic Locationing For Smart Environments App 20200408906 - SCHEDIWY; Richard R. ; et al.	2020-12-31
Sigma-delta configurations for capacitance sensing Grant 10,816,582 - Hargreaves October 27, 2	2020-10-27
System And Method For Optical Sensing App 20200321377 - HARGREAVES; Kirk	2020-10-08
Displays Utilizing Leds As Sensing Elements App 20200258448 - A1	2020-08-13
Sigma-delta Configurations For Capacitance Sensing App 20200141989 - Hargreaves; Kirk	2020-05-07
Pixel architecture and driving scheme for biometric sensing Grant 10,430,633 - Hargreaves , et al. O	2019-10-01
Pixel architecture and driving scheme for biometric sensing Grant 10,216,972 - Akhavan Fomani , et al. Feb	2019-02-26
Pen with inductor Grant 10,180,736 - Krumpelman , et al. Ja	2019-01-15
Active pen panel receiver interference cancellation Grant 10,126,874 - Hargreaves , et al. November 13, 2	2018-11-13
Matched filter for a first order sigma delta capacitance measurement system and a method to determine the same Grant 10,126,867 - Hargreaves , et al. November 13, 2	2018-11-13
Modulation scheme for fingerprint sensing Grant 10,095,948 - Hargreaves , et al. October 9, 2	2018-10-09
Current feedback digital charge accumulator Grant 10,055,045 - Hargreaves August 21, 2	2018-08-21
Pixel Architecture And Driving Scheme For Biometric Sensing App 20180204036 - AKHAVAN FOMANI; Arash ; et al.	2018-07-19
Pixel Architecture And Driving Scheme For Biometric Sensing App 20180204037 - HARGREAVES; Kirk ; et al.	2018-07-19
Active pen with bidirectional communication Grant 9,977,519 - Lukanc , et al. May 22, 2	2018-05-22
Active Pen Panel Receiver Interference Cancellation App 20180129346 - Hargreaves; Kirk ; et al.	2018-05-10
Matched Filter For A First Order Sigma Delta Capacitance Measurement System And A Method To Determine The Same App 20180129344 - HARGREAVES; Kirk ; et al.	2018-05-10
Active matrix capacitive fingerprint sensor with 1-TFT pixel architecture for display integration Grant 9,958,993 - Akhavan Fomani , et al. May 1, 2	2018-05-01
Active pen capacitive displacement gauge Grant 9,933,867 - Hargreaves April 3, 2	2018-04-03
Capacitive Sensor Device App 20180067155 - REYNOLDS; Joseph Kurth ; et al.	2018-03-08
Capacitive sensing on large touch screens Grant 9,880,209 - Schwartz , et al. January 30, 2	2018-01-30
Matched filter for a first order sigma delta capacitance measurement system and a method to determine the same Grant 9,864,455 - Hargreaves , et al. January 9, 2	2018-01-09
Capacitive sensor device Grant 9,804,213 - Reynolds , et al. October 31, 2	2017-10-31
Hybrid large dynamic range capacitance sensing Grant 9,703,436 - Hargreaves July 11, 2	2017-07-11
Active Pen Capacitive Displacement Gauge App 20170192533 - Hargreaves; Kirk	2017-07-06
Efficient high voltage square wave generator Grant 9,608,613 - Hargreaves March 28, 2	2017-03-28
Current-mode coarse-baseline-correction Grant 9,541,588 - Bohannon , et al. January 10, 2	2017-01-10
Efficient High Voltage Square Wave Generator App 20170005646 - HARGREAVES; Kirk	2017-01-05
Modulation Scheme For Fingerprint Sensing App 20170006223 - HARGREAVES; Kirk ; et al.	2017-01-05
Active Matrix Capacitive Fingerprint Sensor With 1-tft Pixel Architecture For Display Integration App 20170003777 - AKHAVAN FOMANI; Arash ; et al.	2017-01-05
Hybrid Large Dynamic Range Capacitance Sensing App 20160349872 - HARGREAVES; Kirk	2016-12-01
Matched Filter For A First Order Sigma Delta Capacitance Measurement System And A Method To Determine The Same App 20160352353 - HARGREAVES; Kirk ; et al.	2016-12-01
Active Pen Reprogramming App 20160291956 - Hargreaves; Kirk ; et al.	2016-10-06
Active Pen With Bidirectional Communication App 20160246390 - Lukanc; Jeff ; et al.	2016-08-25
Untethered active pen and a method for communicating with a capacitive sensing device using the untethered active pen Grant 9,417,738 - Hargreaves , et al. August 16, 2	2016-08-16
Active pen with improved interference performance Grant 9,395,824 - Hargreaves , et al. July 19, 2	2016-07-19
Transcapacitive sensor devices with seams Grant 9,354,264 - Schwartz , et al. May 31, 2	2016-05-31
Pen With Inductor App 20160147320 - Krumpelman; Doug ; et al.	2016-05-26
Capacitive charge measurement Grant 9,274,643 - Hargreaves March 1, 2	2016-03-01
Non-linear feedback capacitance sensing Grant 9,218,095 - Hargreaves December 22, 2	2015-12-22
Current Feedback Digital Charge Accumulator App 20150346896 - HARGREAVES; Kirk	2015-12-03
Capacitive sensor interference determination Grant 9,190,997 - Shahparnia , et al. November 17, 2	2015-11-17
Capacitive Sensing On Large Touch Screens App 20150324036 - SCHWARTZ; Adam ; et al.	2015-11-12
Current-mode Coarse-baseline-correction App 20150115977 - BOHANNON; Eric Scott ; et al.	2015-04-30
Active Pen With Improved Interference Performance App 20150109263 - Hargreaves; Kirk ; et al.	2015-04-23
Non-linear Feedback Capacitance Sensing App 20140347310 - Hargreaves; Kirk	2014-11-27
Transcapacitive charge measurement Grant 8,890,544 - Hargreaves November 18, 2	2014-11-18
Transcapacitive charge measurement Grant 8,884,635 - Hargreaves November 11, 2	2014-11-11
Systems and methods for signaling and interference detection in sensor devices Grant 8,847,899 - Washburn , et al. September 30, 2	2014-09-30
Transcapacitive Sensor Devices With Seams App 20140152324 - SCHWARTZ; Adam ; et al.	2014-06-05
System and method for signaling in sensor devices Grant 8,743,080 - Hargreaves , et al. June 3, 2	2014-06-03
Systems and methods for signaling and interference detection in sensor devices Grant 8,730,204 - Washburn , et al. May 20, 2	2014-05-20
Single integrated circuit configured to operate both a capacitive proximity sensor device and a resistive pointing stick Grant 8,711,120 - Hargreaves , et al. April 29, 2	2014-04-29
Transcapacitive sensor devices with ohmic seams Grant 8,638,107 - Schwartz , et al. January 28, 2	2014-01-28
Single Integrated Circuit Configured To Operate Both A Capacitive Proximity Sensor Device And A Resistive Pointing Stick App 20140015746 - HARGREAVES; Kirk ; et al.	2014-01-16
Capacitive Charge Measurement App 20130321001 - Hargreaves; Kirk	2013-12-05
Transcapacitive Charge Measurement App 20130321005 - Hargreaves; Kirk	2013-12-05
Capacitive Charge Measurement App 20130262004 - Hargreaves; Kirk	2013-10-03
Single layer capacitive image sensing Grant 8,415,958 - Hargreaves , et al. April 9, 2	2013-04-09
System and method for detecting interfernce in a sensor device using phase shifting Grant 8,352,202 - Hargreaves January 8, 2	2013-01-08
System And Method For Signaling In Sensor Devices App 20120326910 - Hargreaves; Kirk ; et al.	2012-12-27
Capacitive Sensor Interference Determination App 20120293190 - SHAHPARNIA; Shahrooz ; et al.	2012-11-22
Capacitive sensor interference determination Grant 8,258,797 - Shahparnia , et al. September 4, 2	2012-09-04
Systems And Methods For Signaling And Interference Detection In Sensor Devices App 20120068966 - Washburn; Clyde ; et al.	2012-03-22
Systems And Methods For Signaling And Interference Detection In Sensor Devices App 20120068949 - Washburn; Clyde ; et al.	2012-03-22
Methods and systems for sigma delta capacitance measuring using shared components Grant 7,977,954 - Reynolds , et al. July 12, 2	2011-07-12
Transcapacitive Sensor Devices With Ohmic Seams App 20110148435 - Schwartz; Adam ; et al.	2011-06-23
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,948,245 - Hargreaves , et al. May 24, 2	2011-05-24
Half-bridge for capacitive sensing Grant 7,924,029 - Reynolds , et al. April 12, 2	2011-04-12
Single Layer Capacitive Image Sensing App 20110062969 - Hargreaves; Kirk ; et al.	2011-03-17
Methods and systems for switched charge transfer capacitance measuring using shared components Grant 7,902,842 - Reynolds , et al. March 8, 2	2011-03-08
Methods And Systems For Sigma Delta Capacitance Measuring Using Shared Components App 20110001494 - REYNOLDS; Joseph Kurth ; et al.	2011-01-06
Capacitive Sensor Interference Determination App 20100327882 - Shahparnia; Shahrooz ; et al.	2010-12-30
System And Method For Detecting Interfernce In A Sensor Device Using Phase Shifting App 20100321034 - Hargreaves; Kirk	2010-12-23
Untethered Active Pen And A Method For Communicating With A Capacitive Sensing Device Using The Untethered Active Pen App 20100315384 - HARGREAVES; Kirk ; et al.	2010-12-16
Capacitive Sensor Device App 20100292945 - Reynolds; Joseph Kurth ; et al.	2010-11-18
Methods and systems for sigma delta capacitance measuring using shared component Grant 7,777,501 - Reynolds , et al. August 17, 2	2010-08-17
Methods and systems for detecting a capacitance using switched charge transfer techniques Grant 7,750,649 - Ely , et al. July 6, 2	2010-07-06
Methods And Systems For Detecting A Capacitance Using Sigma-delta Measurement Techniques App 20100148806 - Hargreaves; Kirk ; et al.	2010-06-17
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,683,641 - Hargreaves , et al. March 23, 2	2010-03-23
Gradient Sensors App 20090277696 - Reynolds; Joseph K. ; et al.	2009-11-12
Methods And Systems For Detecting A Capacitance Using Switched Charge Transfer Techniques App 20090174416 - ELY; David ; et al.	2009-07-09
Methods and systems for detecting a capacitance using switched charge transfer techniques Grant 7,521,941 - Ely , et al. April 21, 2	2009-04-21
Methods And Systems For Detecting A Capacitance Using Sigma-delta Measurement Techniques App 20090039902 - HARGREAVES; Kirk ; et al.	2009-02-12
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,453,270 - Hargreaves , et al. November 18, 2	2008-11-18
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency Grant 7,451,050 - Hargreaves November 11, 2	2008-11-11
Methods and systems for detecting a capacitance using switched charge transfer techniques Grant 7,449,895 - Ely , et al. November 11, 2	2008-11-11
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,423,437 - Hargreaves , et al. September 9, 2	2008-09-09
Methods And Systems For Switched Charge Transfer Capacitance Measuring Using Shared Components App 20080116904 - Reynolds; Joseph Kurth ; et al.	2008-05-22
Methods And Systems For Sigma Delta Capacitance Measuring Using Shared Component App 20080061800 - Reynolds; Joseph Kurth ; et al.	2008-03-13
Methods And Systems For Detecting A Capacitance Using Sigma-delta Measurement Techniques App 20080048680 - HARGREAVES; Kirk ; et al.	2008-02-28
Methods And Systems For Detecting A Capacitance Using Sigma-delta Measurement Techniques App 20080048679 - HARGREAVES; Kirk ; et al.	2008-02-28
Methods And Systems For Detecting A Capacitance Using Switched Charge Transfer Techniques App 20080042660 - ELY; David ; et al.	2008-02-21
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency App 20080040079 - Hargreaves; Kirk	2008-02-14
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,301,350 - Hargreaves , et al. November 27, 2	2007-11-27
Methods and systems for detecting a capacitance using sigma-delta measurement techniques Grant 7,288,946 - Hargreaves , et al. October 30, 2	2007-10-30
Methods and systems for detecting a capacitance using switched charge transfer techniques App 20070176609 - Ely; David ; et al.	2007-08-02
Half-bridge For Capacitive Sensing App 20070159184 - REYNOLDS; Joseph Kurth ; et al.	2007-07-12
Methods and systems for detecting a capacitance using sigma-delta measurement techniques App 20070075710 - Hargreaves; Kirk ; et al.	2007-04-05
Methods and systems for detecting a capacitance using sigma-delta measurement techniques App 20070046299 - Hargreaves; Kirk ; et al.	2007-03-01
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency Grant 7,031,886 - Hargreaves April 18, 2	2006-04-18

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