Patents-Review.com
ClassID:

204132 ⎘

H01H2221/04 - CPC Classification

Classification description:

Actuators; Return force magnetic

Recent Application in this class:
#1
20250157752
2025-05-15

MAGNETIC SUSPENSION KEYSWITCH STRUCTURE

 #2
20250125106
2025-04-17

MECHANICAL KEYBOARD

 #3
20240222045
2024-07-04

System and method for obtaining user input with passive keyboard

 #4
20230168706
2023-06-01

Human-machine interface

 #5
20220351920
2022-11-03

Magnetic type keyswitch

 #6
20220344113
2022-10-27

Spring-back force adjustable input/output device for an information handling system

 #7
20220221909
2022-07-14

Information handling system variable feel input device

 #8
20210183588
2021-06-17

Keyswitch device

 #9
20200395178
2020-12-17

Keyswitch

 #10
20200381195
2020-12-03

Keyswitch structure

 #11
20200373106
2020-11-26

Key switch

 #12
20200357584
2020-11-12

Scissor plate control system and method for slower magnetic force decay

 #13
20200357583
2020-11-12

Keyswitch structure

 #14
20200243284
2020-07-30

Key arrangement employing mechanical and magnetic forces

 #15
20200145000
2020-05-07

Systems and methods for indicating real time availability of key assemblies for user input to an information handling system

 #16
20200051760
2020-02-13

Keyboard

 #17
20200035426
2020-01-30

Keyboard device

 #18
20190214202
2019-07-11

Keyboard device

 #19
20190164701
2019-05-30

Control device of push-button type with flat architecture

 #20
20190131085
2019-05-02

KEYSWITCH

 #21
20190122837
2019-04-25

Key structure

 #22
20180243648
2018-08-30

Haptic peripheral having a haptically-enhanced user input element including a mechanical key and an integrated smart material actuator for providing haptic effects

 #23
20180219552
2018-08-02

Retractable and/or variable depression force key assemblies and methods for using the same

 #24
20180166238
2018-06-14

Battery box for electronic cigarette

 #25
20170365423
2017-12-21

Keyswitch

 #26
20170330709
2017-11-16

Magnetic type keyboard and magnetic key thereof

 #27
20170330707
2017-11-16

Keyswitch

 #28
20170278650
2017-09-28

Key structure

 #29
20170247820
2017-08-31

Three-dimensional fabric with embedded input-output devices

 #30
20170186569
2017-06-29

Keyswitch using magnetic force to restore cap position

 #31
20170076885
2017-03-16

Force feedback surface for an electronic device

 #32
20160351349
2016-12-01

Key structure and portable computer using the same

 #33
20160329174
2016-11-10

Key structure and portable computer using the same

 #34
20160329172
2016-11-10

Magnetic keyboard

 #35
20160308531
2016-10-20

Methods and apparatus for capacitively detecting key motion and finger presence on a magnetic keyboard key

 #36
20160118203
2016-04-28

Magnetically biased retracting key assembly and keyboard

 #37
20160086751
2016-03-24

Pressure-type contact switch for use in operation of pressure pump

 #38
20150332875
2015-11-19

Keyswitch structure

 #39
20150243456
2015-08-27

Keyswitch

 #40
20150194277
2015-07-09

Two part key cap for use in keyboard keys and methods for their manufacture

 #41
20150101917
2015-04-16

Magnetic keyswitch and related keyboard

 #42
20150083562
2015-03-26

Keyswitch with magnetic restoration mechanism

 #43
20150062016
2015-03-05

Touchsurface with level and planar translational travel responsiveness

 #44
20150034470
2015-02-05

KEYBOARD DEVICE

 #45
20150021155
2015-01-22

Optically transmissive key switch mechanism for display-capable keyboards, keypads, or other user input devices

 #46
20150002992
2015-01-01

Keyboard with macro keys made up of positionally adjustable micro keys

 #47
20140372124
2014-12-18

Human-machine dialogue device

 #48
20140367236
2014-12-18

Keyswitch having a slidable translation mechanism

 #49
20140339061
2014-11-20

Keyswitch

 #50
20140311881
2014-10-23

Keyboards with planar translation mechanism formed from laminated substrates

 #51
20140262717
2014-09-18

Anti-tilt and rotation techniques for a touchsurface assembly having translating keys

 #52
20140262716
2014-09-18

Touchsurface assembly having key guides formed in a sheet metal component

 #53
20140231234
2014-08-21

Keyswitch and keyboard thereof

 #54
20140224632
2014-08-14

Self-guided key switch and keyboard configured with same

 #55
20140190811
2014-07-10

Methods and apparatus for capacitively detecting key motion and finger presence on a magnetic keyboard key

 #56
20140190810
2014-07-10

Stabilization techniques for key assemblies and keyboards

 #57
20140169853
2014-06-19

Keyboard with magnetic key position return for an electronic device

 #58
20140168875
2014-06-19

Thin keyboard

 #59
20140125436
2014-05-08

Magnetic circuit and key input device

 #60
20140124346
2014-05-08

Keyswitch using magnetic force

 #61
20140034472
2014-02-06

Keyboard construction having a sensing layer below a chassis layer

 #62
20140034471
2014-02-06

Touchsurface assembly utilizing magnetically enabled hinge

 #63
20140034468
2014-02-06

Touchsurface assemblies with linkages

 #64
20140014486
2014-01-16

Keyswitch using magnetic force

 #65
20130249658
2013-09-26

Magnetic keyswitch assembly and keyboard therewith

 #66
20130154940
2013-06-20

Keyboard, method of driving and assembling the same, and electronic device

 #67
20130126323
2013-05-23

Keyswitch

 #68
20120313738
2012-12-13

Keyswitch assembly and keyboard

 #69
20120299832
2012-11-29

Touchsurface with level and planar translational travel responsiveness

 #70
20120268384
2012-10-25

Leveled touchsurface with planar translational responsiveness to vertical travel

 #71
20120169603
2012-07-05

Leveled touchsurface with planar translational responsiveness to vertical travel

 #72
20120025935
2012-02-02

MAGNETIC SWITCH APPARATUS

 #73
20110227761
2011-09-22

Key and keyboard using same

 #74
20110093526
2011-04-21

CLOUD COMPUTING SYSTEM

 #75
20090115404
2009-05-07

Hall effect system

 #76
20080264770
2008-10-30

Keyboard

 #77
20080026700
2008-01-31

Push-to-talk switch

 #78
20080026699
2008-01-31

Push-to-talk switch

 #79
20060257190
2006-11-16

Magnetically levitated key structure

 #80
20060132446
2006-06-22

Key input apparatus using magnetic force, operating method thereof, and computer-readable recording medium storing computer programs for performing the method

 #81
20050226669
2005-10-13

Keyboard having key floating device

 #82
20050077988
2005-04-14

Flexible magnetically coupled pushbutton switch

 #83
18649705
2025-09-16

Hybrid analog key structure

 #84
16789440
2020-10-13

Keyswitch structure