ClassID:

171128

G01P15/131 - CPC Classification

Classification description:

Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electrostatic counterbalancing means

Recent Application in this class:
#1
20240118306
2024-04-11

Accelerometer including protective housing

#2
20240094238
2024-03-21

MEMS ACCELEROMETER SYSTEMS

#3
20230028797
2023-01-26

Closed-loop microelectromechanical accelerometer with compensation of spurious vibration modes and process for manufacturing a microelectromechanical accelerometer

#4
20230026178
2023-01-26

Pendular accelerometer sensor with conditional capacitive detection

#5
20220404390
2022-12-22

Method for lithography process

#6
20220252635
2022-08-11

MECHANICALLY-SENSITIVE SEMICONDUCTING TRIODE CAPACITOR

#7
20220178963
2022-06-09

MEMS vibrating beam accelerometer with built-in test actuators

#8
20210130164
2021-05-06

MEMS sensor detection device and MEMS sensor system

#9
20200369513
2020-11-26

MEMS sensor structure comprising mechanically preloaded suspension springs

#10
20200326123
2020-10-15

Moisture detector, moisture detection method, electronic device, and log output system

#11
20200166537
2020-05-28

High performance micro-electro-mechanical systems accelerometer

#12
20200088759
2020-03-19

Sensor with servo noise reduction

#13
20200072865
2020-03-05

MEMS electrostatic capacitor type acceleration sensor

#14
20200041537
2020-02-06

ACCELEROMETERS

#15
20190359479
2019-11-28

MEMS sensor compensation for off-axis movement

#16
20190242925
2019-08-08

ACCELEROMETERS

#17
20190212358
2019-07-11

Acceleration sensor

#18
20190195909
2019-06-27

Closed loop accelerometer

#19
20190170786
2019-06-06

Dual capacitive linearization circuit

#20
20190154728
2019-05-23

Physical quantity sensor, electronic device, and mobile body

#21
20190101566
2019-04-04

Physical quantity sensor, inertia measurement device, vehicle positioning device, portable electronic apparatus, electronic apparatus, and vehicle

#22
20190049485
2019-02-14

Dynamic self-calibration of an accelerometer system

#23
20190041422
2019-02-07

Accelerometer

#24
20180372773
2018-12-27

Vibrating device, vibrating device module, electronic apparatus, and vehicle

#25
20180357866
2018-12-13

Window sensing device with movement detection

#26
20180335445
2018-11-22

MEMS pendulum accelerometer having two measurement ranges

#27
20180306835
2018-10-25

High-precision pendulous accelerometer

#28
20180246236
2018-08-30

Sensor apparatus, planning processing system, and planning method

#29
20180210005
2018-07-26

Inertia sensor with improved detection sensitivity using servo voltage to detect a physical quantity

#30
20180143219
2018-05-24

Capacitive accelerometer

#31
20180128851
2018-05-10

Accelerometer control

#32
20180038890
2018-02-08

OPTICALLY ENABLED MEMS INERTIAL SENSORS ON INTEGRATED PHOTONIC PLATFORMS

#33
20180024160
2018-01-25

Acceleration sensor having spring force compensation

#34
20180011125
2018-01-11

Acceleration sensor

#35
20170276698
2017-09-28

Accelerometer sensor system

#36
20170269122
2017-09-21

Dynamic self-calibration of an accelerometer system

#37
20170153267
2017-06-01

Accelerometers

#38
20170152135
2017-06-01

MEMS sensor structure comprising mechanically preloaded suspension springs

#39
20170146562
2017-05-25

Accelerometers

#40
20170089947
2017-03-30

Accelerometers

#41
20160334441
2016-11-17

In-situ bias correction for MEMS accelerometers

#42
20160334439
2016-11-17

Accelerometers

#43
20160252544
2016-09-01

Accelerometer control

#44
20160202366
2016-07-14

Force feedback electrodes in MEMS accelerometer

#45
20160061858
2016-03-03

Physical quantity sensor, electronic device, and mobile body

#46
20160003865
2016-01-07

Sensor with electrostatic pendular accelerometer and method of controlling such a sensor

#47
20150346236
2015-12-03

Performance optimization of a differential capacitance based motion sensor

#48
20150316581
2015-11-05

Capacitive micromechanical sensor structure and micromechanical accelerometer

#49
20150293142
2015-10-15

Fully differential capacitive architecture for MEMS accelerometer

#50
20150204899
2015-07-23

Atomic referenced optical accelerometer

#51
20150192692
2015-07-09

Fabrication process and package design for use in a micro-machined seismometer or other device

#52
20150143905
2015-05-28

Resonator

#53
20140361348
2014-12-11

Method and structure of an integrated MEMS inertial sensor device using electrostatic quadrature-cancellation

#54
20140352434
2014-12-04

Extended-range closed-loop accelerometer

#55
20140236522
2014-08-21

Range-dependent bias calibration of an accelerometer sensor system

#56
20140230520
2014-08-21

Range-dependent bias calibration of an accelerometer sensor system

#57
20140165691
2014-06-19

Bias reduction in force rebalanced accelerometers

#58
20140096587
2014-04-10

Dynamic self-calibration of an accelerometer system

#59
20140083210
2014-03-27

Device for measuring force components, and method for its production

#60
20140041452
2014-02-13

Accelerometer having multiple feedback systems operating on a given proof mass

#61
20130233077
2013-09-12

Electrostatic force generator and force measurement system and accelerometer having the same

#62
20120276674
2012-11-01

Three-axis accelerometers and fabrication methods

#63
20120265481
2012-10-18

Accelerometer systems and methods

#64
20120240679
2012-09-27

Tethered, levitated-mass accelerometer

#65
20120085169
2012-04-12

Three phase capacitance-based sensing

#66
20120036931
2012-02-16

Method and apparatus to test an accelerometer

#67
20110221454
2011-09-15

Anti-capture method and apparatus for micromachined devices

#68
20110209343
2011-09-01

Three-axis accelerometers and fabrication methods

#69
20110203372
2011-08-25

Out-of plane comb-drive accelerometer

#70
20110170376
2011-07-14

Fabrication process and package design for use in a micro-machined seismometer or other device

#71
20110113880
2011-05-19

MICROMECHANICAL ACCELERATION SENSOR

#72
20110067495
2011-03-24

Micromachined accelerometer with monolithic electrodes and method of making the same

#73
20100326191
2010-12-30

Bidirectional, out-of-plane, comb drive accelerometer

#74
20100259285
2010-10-14

PROVIDING FEEDBACK IN AN ELECTRONIC CIRCUIT

#75
20100198568
2010-08-05

Low vibration rectification in a closed-loop, in-plane MEMS device

#76
20100132466
2010-06-03

Operating method and circuit arrangement for a capacitive micromechanical sensor with analog reset

#77
20100116054
2010-05-13

MEMS-based capacitive sensor

#78
20100057224
2010-03-04

Systems and methods for vibration rectification error reduction in closed-loop accelerometer systems

#79
20100054281
2010-03-04

Method of transmitting modulated signals multiplexed by frequency division multiplexing and physical quantity detector using this method

#80
20100024552
2010-02-04

Systems and methods for detecting out-of-plane linear acceleration with a closed loop linear drive accelerometer

#81
20090322260
2009-12-31

ELECTROSTATIC MICROACTUATOR

#82
20090321793
2009-12-31

Device sensitive to a movement comprising at least one transistor

#83
20090309613
2009-12-17

Anti-capture method and apparatus for micromachined devices

#84
20090280594
2009-11-12

Three-axis accelerometers and fabrication methods

#85
20090223276
2009-09-10

Accelerometer with offset compensation

#86
20090107238
2009-04-30

Pendulous accelerometer with balanced gas damping

#87
20090100931
2009-04-23

Physical quantity sensor

#88
20090025477
2009-01-29

Sensor with position-independent drive electrodes in multi-layer silicon on insulator substrate

#89
20080295597
2008-12-04

System and method for mitigating errors in electrostatic force balanced instrument

#90
20080282802
2008-11-20

Fabrication process and package design for use in a micro-machined seismometer or other device

#91
20080196500
2008-08-21

Accelerometer with reduced extraneous vibrations owing to improved electrode shape

#92
20080178671
2008-07-31

Method and apparatus for closed loop offset cancellation

#93
20080092654
2008-04-24

Systems and methods for isolation of torque and sense capacitors of an accelerometer

#94
20080092653
2008-04-24

Method of reducing the drift rate of accelerometer and accelerometer with reduced drift rate

#95
20080092651
2008-04-24

Accelerometer with reduced extraneous vibrations owing to improved return movement

#96
20080066561
2008-03-20

Torque driving circuit

#97
20070272017
2007-11-29

Closed-loop comb drive sensor

#98
20070266787
2007-11-22

MEMS vertical comb drive with improved vibration performance

#99
20070188969
2007-08-16

Free fall detector device and free fall detection method

#100
20070163815
2007-07-19

Detection circuit using a differential capacitive sensor with input-common-mode control in a sense interface

#101
20060273804
2006-12-07

Capacitive measuring sensor and associated ,measurement method

#102
20060250267
2006-11-09

Capacitive-type physical quantity sensor

#103
20060195305
2006-08-31

Low vibration rectification in a closed-loop, in-plane MEMS device

#104
20060162452
2006-07-27

Diamagnetic levitation system

#105
20060152739
2006-07-13

Miniature electro-optic device having a conductive element for modifying the state of passage of light between inlet/outlet points and corresponding uses thereof

#106
20060150735
2006-07-13

Force balanced instrument system and method for mitigating errors

#107
20060137450
2006-06-29

Pendulous in-plane MEMS accelerometer device

#108
20060021864
2006-02-02

Miniaturized relay and corresponding uses

#109
20050257597
2005-11-24

Accelerometer in closed loop with error detection

#110
20050218911
2005-10-06

Linearity enhancement for capacitive sensors

#111
20050097959
2005-05-12

Micro-machined suspension plate with integral proof mass for use in a seismometer or other device

#112
20050067695
2005-03-31

Micro-sensor

#113
20050016273
2005-01-27

Method and unit for sensing physical quantity using capacitive sensor

#114
16908559
2022-05-17

Electrostatically softened accelerometer spring

#115
14067105
2017-06-27

Systems and methods to stabilize high-Q MEMS sensors