ClassID:

222126

H03K2217/960725 - CPC Classification

Classification description:

Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by characterised by the way in which the control signal is generated; Touch switches; Capacitive touch switches characterised by the detection principle Charge-transfer

Recent Application in this class:
#1
20260029879
2026-01-29

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SENSING

#2
20240310420
2024-09-19

INTERFERENCE-INSENSITIVE DETERMINATION OF A CAPACITANCE

#3
20240275382
2024-08-15

Capacitive proximity sensor

#4
20240120920
2024-04-11

CAPACITIVE SENSOR WITH OPTIMIZED NOISE IMMUNITY

#5
20230355911
2023-11-09

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SENSING

#6
20230139444
2023-05-04

Hand-held machine tool

#7
20230006665
2023-01-05

Charge sensitive amplifier circuit for sensor frontend

#8
20220413633
2022-12-29

Remote capacitive interface

#9
20220397595
2022-12-15

CAPACITANCE MEASURING SYSTEM AND METHOD

#10
20220235589
2022-07-28

Sensor and device for presence detection

#11
20220109443
2022-04-07

Operator control device for a vehicle and method for operating such an operator control device

#12
20210376830
2021-12-02

Simultaneous time domain differential sensing and electric field sensing

#13
20210376829
2021-12-02

Simultaneous time domain differential sensing and electric field sensing

#14
20210373684
2021-12-02

Simultaneous time domain differential sensing and electric field sensing

#15
20210208694
2021-07-08

Remote capacitive interface

#16
20210125489
2021-04-29

Arrangement for a vehicle

#17
20210048464
2021-02-18

Capacitance measuring system and method

#18
20210021265
2021-01-21

Capacitance detection circuit, capacitance detection method, touch chip, and electronic device

#19
20200363883
2020-11-19

Capacitive field sensor with sigma-delta modulator

#20
20200355840
2020-11-12

Presence detection method and device with multiple detection areas for a motor vehicle

#21
20200235734
2020-07-23

Capacitive sensor for the automotive sector with a charge amplifier

#22
20200220542
2020-07-09

Capacitive sensing

#23
20200110487
2020-04-09

Method for capacitively detecting contact and actuation

#24
20200073484
2020-03-05

Remote capacitive interface

#25
20190234999
2019-08-01

Capacitive measurement circuit with offset compensation

#26
20190113554
2019-04-18

Method for evaluating a capacity value of a capacitive sensor electrode

#27
20190107919
2019-04-11

Capacitive touch sensing circuit and charge compensation method thereof

#28
20190087032
2019-03-21

Capacitive field sensor with sigma-delta modulator

#29
20190086457
2019-03-21

METHOD AND APPARATUS TO MEASURE SELF-CAPACITANCE USING A SINGLE PIN

#30
20190078954
2019-03-14

Arrangement for an evaluation in a capacitive sensor device of a vehicle

#31
20180358961
2018-12-13

Noise reduction unit

#32
20180287607
2018-10-04

Operator control device for a vehicle and method for operating such an operator control device

#33
20180189537
2018-07-05

Fingerprint sensing circuit and electrical device

#34
20180144171
2018-05-24

Capacitance sensing circuit and fingerprint identification system

#35
20180106843
2018-04-19

Method for measuring a capacitance value

#36
20180083650
2018-03-22

Ratio-metric self-capacitance-to-code convertor

#37
20180067155
2018-03-08

Capacitive sensor device

#38
20180052558
2018-02-22

Capacitance-to-voltage modulation circuit

#39
20170373686
2017-12-28

Switching arrangement and method for a capacitive sensor

#40
20170336893
2017-11-23

Increasing the dynamic range of an integrator based mutual-capacitance measurement circuit

#41
20170334477
2017-11-23

Method and device for detecting steering wheel contact

#42
20170322245
2017-11-09

Capacitance sensing circuit

#43
20170317690
2017-11-02

Ratio-metric self-capacitance-to-code convertor

#44
20170255297
2017-09-07

Capacitive sensing button on chip

#45
20170170825
2017-06-15

Capacitive sensing

#46
20170139540
2017-05-18

Analog elimination of ungrounded conductive objects in capacitive sensing

#47
20170083132
2017-03-23

Semiconductor device

#48
20170068378
2017-03-09

Simultaneous time domain differential sensing and electric field sensing

#49
20170045563
2017-02-16

MEANS AND METHOD FOR DETECTING CAPACITANCE CONNECTED TO AC POWER

#50
20170023382
2017-01-26

Sensor circuit and method

#51
20170010721
2017-01-12

Method for measuring a capacitance value

#52
20160378227
2016-12-29

Capacitive field sensor with sigma-delta modulator

#53
20160357284
2016-12-08

Capacitance sensor with noise rejection

#54
20160356832
2016-12-08

Apparatus and method for detecting a variable capacitance

#55
20160282393
2016-09-29

Parasitic capacitance cancellation in capacitive measurement

#56
20160246441
2016-08-25

Touch sensing with mobile sensors

#57
20160231856
2016-08-11

Touch sensor that utilizes a touch area with a single conductive path

#58
20160224160
2016-08-04

Increasing the dynamic range of an integrator based mutual-capacitance measurement circuit

#59
20160117014
2016-04-28

Analog elimination of ungrounded conductive objects in capacitive sensing

#60
20160112060
2016-04-21

Analog-to-digital conversion with micro-coded sequencer

#61
20160003881
2016-01-07

Capacitance sensing circuits and methods

#62
20150330768
2015-11-19

Capacitive sensor device with associated evaluation circuit

#63
20150316680
2015-11-05

Device and method for evaluating the capacitance of a sensor electrode of a proximity sensor

#64
20150293625
2015-10-15

Capacitive sensing button on chip

#65
20150145534
2015-05-28

Capacitive sensing circuit for sensing capacitance variation with charge clone

#66
20150123943
2015-05-07

Method for controlling a capacitive touch pad

#67
20150097584
2015-04-09

Multi-mode capacitive sensing device and method with current conveyor

#68
20150029152
2015-01-29

Touch sensor contact information

#69
20150002219
2015-01-01

Semiconductor device

#70
20140372058
2014-12-18

Low consumption device for measuring a variation of a capacitance and associated method

#71
20140368223
2014-12-18

Capacitance measurement device and electronic device thereof

#72
20140368222
2014-12-18

Capacitive proximity detection using delta-sigma conversion

#73
20140292721
2014-10-02

Current mirror self-capacitance measurement

#74
20140292716
2014-10-02

Proximity sensor

#75
20140285220
2014-09-25

Parasitic capacitance cancellation in capacitive measurement

#76
20140192021
2014-07-10

Capacitive touch pad configured for proximity detection

#77
20140176499
2014-06-26

Touch sensor contact information

#78
20140160068
2014-06-12

Sensor arrangement for use with a touch sensor that identifies hand parts

#79
20140139242
2014-05-22

Touch sensing circuit and method

#80
20140132287
2014-05-15

Capacitive sensor device

#81
20140098039
2014-04-10

Signal processing circuit, signal processing method, position detecting device, and electronic apparatus

#82
20140085252
2014-03-27

Increasing the dynamic range of an integrator based mutual-capacitance measurement circuit

#83
20140039819
2014-02-06

Method and apparatus to measure self-capacitance using a single pin

#84
20140035601
2014-02-06

Electrostatic capacitance detection circuit and input device

#85
20140009216
2014-01-09

Capacitance sensing apparatus and method, and touch screen apparatus

#86
20130321006
2013-12-05

Method for measuring capacitance and capacitive sensor unit

#87
20130314109
2013-11-28

Multi-functional capacitance sensing circuit with a current conveyor

#88
20130307811
2013-11-21

Self-capacitance measurement with compensated capacitance

#89
20130300438
2013-11-14

Self-capacitance detection using trans-conductance reference

#90
20130278538
2013-10-24

Self-capacitance measurement

#91
20130278277
2013-10-24

Sensor arrangement and method for operation of a sensor arrangement

#92
20130271163
2013-10-17

Current mirror self-capacitance measurement

#93
20130262004
2013-10-03

Capacitive charge measurement

#94
20130214848
2013-08-22

Method for judging capacitance type touch buttons

#95
20130088377
2013-04-11

Microcontroller ADC with a variable sample and hold capacitor

#96
20130088372
2013-04-11

Measuring capacitance of a capacitive sensor with a microcontroller having digital outputs for driving a guard ring

#97
20130088246
2013-04-11

Microcontroller with optimized ADC controller

#98
20130088242
2013-04-11

Microcontroller with sequencer driven analog-to-digital converter

#99
20130076377
2013-03-28

Capacitance measurement circuit and method therefor

#100
20130002269
2013-01-03

Capacitive sensing

#101
20120326734
2012-12-27

Capacitance sensor with improved noise filtering characteristics, method for noise filtering of capacitance sensor and computer-readable recording medium

#102
20120293442
2012-11-22

Contact tracking and identification module for touch sensing

#103
20120286809
2012-11-15

Circuit arrangement for determining a capacitance of a number of capacitive sensor elements

#104
20120286800
2012-11-15

CAPACITANCE SENSOR WITH SENSOR CAPACITANCE COMPENSATION

#105
20120217982
2012-08-30

Capacitive sensing button on chip

#106
20120182028
2012-07-19

Capacitance detecting device

#107
20120139870
2012-06-07

Capacitive touch pad configured for proximity detection

#108
20120139563
2012-06-07

Method for controlling a capacitive touch pad

#109
20120139562
2012-06-07

Directional capacitive proximity sensor

#110
20120133376
2012-05-31

Sensing device and method

#111
20120092030
2012-04-19

Method and apparatus for determining a capacitance and/or change in capacitance of a capacitive sensor element

#112
20120074963
2012-03-29

Capacitance detection apparatus

#113
20120068724
2012-03-22

Capacitance evaluation circuit and electronic device using the same

#114
20110273192
2011-11-10

Capacitance measurement device for a touch control device

#115
20110242051
2011-10-06

Proximity sensor

#116
20110234528
2011-09-29

Sample and hold capacitance to digital converter

#117
20110221452
2011-09-15

Capacitive sensor and sensing method

#118
20110210753
2011-09-01

Device for measuring a variation in the capacitance of a variable capacitive structure

#119
20110163766
2011-07-07

Capacitance measurement circuit with dynamic feedback

#120
20110155477
2011-06-30

Touch sensing circuits and methods for detecting touch events

#121
20110148440
2011-06-23

Parasitic capacitance cancellation in capacitive measurement applications

#122
20110115503
2011-05-19

Capacitance Measurement Circuit and Method Therefor

#123
20110074446
2011-03-31

Capacitance measurement circuit and method therefor

#124
20110073383
2011-03-31

Method and apparatus to measure self-capacitance using a single pin

#125
20110054818
2011-03-03

CHARGE-TRANSFER SENSOR WITH LOW POWER CONSUMPTION

#126
20110012862
2011-01-20

Sensing method and circuit for a capacitive touch panel

#127
20110001549
2011-01-06

Capacitive sensor arrangement with a sensor electrode, a screen electrode and a background electrode

#128
20110001494
2011-01-06

Methods and systems for sigma delta capacitance measuring using shared components

#129
20110001491
2011-01-06

Capacitance measurement circuit and method

#130
20100315102
2010-12-16

Device for quantifying an electric unbalance and touch detection system incorporating it

#131
20100308847
2010-12-09

Methods and systems for guarding a charge transfer capacitance sensor for proximity detection

#132
20100302183
2010-12-02

Semiconductor device for determining whether touch electrode is touched by human body, and touch sensor using the semiconductor device

#133
20100292945
2010-11-18

Capacitive sensor device

#134
20100283485
2010-11-11

Method and device for capacitive detection of objects

#135
20100259284
2010-10-14

Circuit arrangement for determination of a measuring capacitance

#136
20100219846
2010-09-02

Capacitive sensing

#137
20100181180
2010-07-22

Capacitive touch sensing using an internal capacitor of an analog-to-digital converter (ADC) and a voltage reference

#138
20100177058
2010-07-15

Capacitive touch sensing and light emitting diode drive matrix

#139
20100149134
2010-06-17

Writing using a touch sensor

#140
20100149092
2010-06-17

Identifying contacts on a touch surface

#141
20100139991
2010-06-10

Noise reduction in capacitive touch sensors

#142
20100117661
2010-05-13

GRID TOUCH POSITION DETERMINATION

#143
20100085327
2010-04-08

Capacitive matrix touch sensor

#144
20100066391
2010-03-18

Capacitance change measuring circuit of capacitive sensor device, capacitive sensor module, method of measuring capacitance change of capacitive sensor device, and electronic device

#145
20100060568
2010-03-11

CURVED SURFACE INPUT DEVICE WITH NORMALIZED CAPACITIVE SENSING

#146
20100042346
2010-02-18

Capacitance evaluation circuit and electronic device using the same

#147
20090303198
2009-12-10

Capacitive sensing with high-frequency noise reduction

#148
20090295409
2009-12-03

Capacitive voltage divider touch sensor

#149
20090251439
2009-10-08

Contact tracking and identification module for touch sensing

#150
20090251438
2009-10-08

Contact tracking and identification module for touch sensing

#151
20090251435
2009-10-08

Contact tracking and identification module for touch sensing

#152
20090249236
2009-10-01

Contact tracking and identification module for touch sensing

#153
20090244033
2009-10-01

Contact tracking and identification module for touch sensing

#154
20090244032
2009-10-01

Contact tracking and identification module for touch sensing

#155
20090244031
2009-10-01

Contact tracking and identification module for touch sensing

#156
20090231294
2009-09-17

Image display systems

#157
20090224776
2009-09-10

System and method for measuring a capacitance by transferring charge from a fixed source

#158
20090206852
2009-08-20

Methods and systems for guarding a charge transfer capacitance sensor for proximity detection

#159
20090174416
2009-07-09

Methods and systems for detecting a capacitance using switched charge transfer techniques

#160
20090160816
2009-06-25

Multi-touch contact motion extraction

#161
20090160529
2009-06-25

Touch sensor system

#162
20090073140
2009-03-19

Sensing apparatus and method, and program therefor

#163
20090027068
2009-01-29

Proximity sensor

#164
20090021489
2009-01-22

Identifying contacts on a touch surface

#165
20090009491
2009-01-08

Capacitive sensing control knob

#166
20090002206
2009-01-01

Noise resistant capacitive sensor

#167
20080265914
2008-10-30

Proximity detector and proximity detecting method

#168
20080252303
2008-10-16

Capacitance detecting apparatus including first and second variable capacitors which vary with the distance to an object

#169
20080203977
2008-08-28

Boost buffer aid for reference buffer

#170
20080128182
2008-06-05

Sensor arrangement for use with a touch sensor

#171
20080116904
2008-05-22

Methods and systems for switched charge transfer capacitance measuring using shared components

#172
20080061800
2008-03-13

Methods and systems for sigma delta capacitance measuring using shared component

#173
20080042989
2008-02-21

Typing with a touch sensor

#174
20080042988
2008-02-21

Touch sensor contact information

#175
20080042987
2008-02-21

Touch sensing through hand dissection

#176
20080042986
2008-02-21

Touch sensing architecture

#177
20080042661
2008-02-21

Methods and systems for guarding a charge transfer capacitance sensor for proximity detection

#178
20080042660
2008-02-21

Methods and systems for detecting a capacitance using switched charge transfer techniques

#179
20080041639
2008-02-21

Contact tracking and identification module for touch sensing

#180
20080012581
2008-01-17

Circuit arrangement for detecting the capacitance or change of capacitance of a capacitive circuit element or of a component

#181
20070272677
2007-11-29

SENSOR ELEMENT ARRANGEMENT FOR A CONTROL DEVICE AND METHOD FOR OPERATING SUCH A SENSOR ELEMENT ARRANGEMENT

#182
20070268275
2007-11-22

Resting contacts

#183
20070268274
2007-11-22

Touch sensing with mobile sensors

#184
20070268273
2007-11-22

Sensor arrangement for use with a touch sensor that identifies hand parts

#185
20070268026
2007-11-22

Methods and systems for guarding a charge transfer capacitance sensor for proximity detection

#186
20070247172
2007-10-25

Charge transfer device and method, touch sensing device and method

#187
20070183182
2007-08-09

Differential anti-pinch capacitive sensor

#188
20070176609
2007-08-02

Methods and systems for detecting a capacitance using switched charge transfer techniques

#189
20070139395
2007-06-21

Ellipse fitting for multi-touch surfaces

#190
20070081726
2007-04-12

Multi-touch contact tracking using predicted paths

#191
20070078919
2007-04-05

Multi-touch hand position offset computation

#192
20070075710
2007-04-05

Methods and systems for detecting a capacitance using sigma-delta measurement techniques

#193
20070070052
2007-03-29

Maintaining activity after contact liftoff or touchdown

#194
20070070051
2007-03-29

Degree of freedom extraction from multiple contacts

#195
20070070050
2007-03-29

Generating control signals from multiple contacts

#196
20060284639
2006-12-21

Methods and systems for guarding a charge transfer capacitance sensor for proximity detection

#197
20060273806
2006-12-07

Operator sensing circuit for disabling motor of power equipment

#198
20060238522
2006-10-26

IDENTIFYING CONTACTS ON A TOUCH SURFACE

#199
20060238521
2006-10-26

Identifying contacts on a touch surface

#200
20060238520
2006-10-26

User interface gestures

#201
20060238519
2006-10-26

User interface gestures

#202
20060238518
2006-10-26

Multi-touch touch surface

#203
20060238233
2006-10-26

Circuit arrangement for a capacitive proximity switch

#204
20060232567
2006-10-19

Capacitive sensing arrangement

#205
20060186900
2006-08-24

Detector with capacitance sensor for detecting object being caught by door

#206
20060177212
2006-08-10

Touch sensor system and method

#207
20060114241
2006-06-01

Identification method for touch control device

#208
20050179448
2005-08-18

Operator sensing circuit for disabling motor of power equipment

#209
20050104867
2005-05-19

Method and apparatus for integrating manual input

#210
15185495
2017-02-21

Capacitive charge triggered proximity switch for use with time domain switched inertial sensors