ClassID:

221807

H03K17/972 - CPC Classification

Classification description:

Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated; Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard

Recent Application in this class:
#1
20260025136
2026-01-22

HALL EFFECT KEYBOARD

#2
20250379011
2025-12-11

KEYSWITCH SUBSTRATE WITH SENSOR SYSTEM

#3
20250030420
2025-01-23

INPUT DEVICE HAVING ADJUSTABLE INPUT MECHANISMS

#4
20240370061
2024-11-07

COMPUTER WITH KEYBOARD

#5
20240340008
2024-10-10

A COMPUTER INPUT DEVICE

#6
20240271919
2024-08-15

POSITION OR MOVEMENT SENSING SYSTEM

#7
20240120145
2024-04-11

KEYBOARD DEVICE AND MAGNETIC SHIELD FORMING METHOD

#8
20240071345
2024-02-29

KEYBOARD DEVICE AND KEY DEPRESSION INFORMATION DETECTING METHOD

#9
20230353923
2023-11-02

System and method for enhanced wearable hearing device command instruction manual input

#10
20230259174
2023-08-17

Computer with keyboard

#11
20230197044
2023-06-22

KEYBOARD SENSOR SYSTEMS AND METHODS

#12
20220365566
2022-11-17

Computer with keyboard

#13
20220321121
2022-10-06

INPUT DEVICE HAVING ADJUSTABLE INPUT MECHANISMS

#14
20220246122
2022-08-04

Keyboard sensor systems and methods

#15
20220123750
2022-04-21

Keystroke detection device, keyboard, and keystroke detection method

#16
20220123749
2022-04-21

Keystroke detection device, keyboard, and keystroke detection method

#17
20220123747
2022-04-21

APPARATUS COMPRISING A MOVABLE OBJECT AND A DEVICE FOR DETECTING A MOVEMENT OF THE OBJECT, INPUT DEVICE INCLUDING THE APPARATUS, AND METHOD OF OPERATING THE APPARATUS

#18
20200379520
2020-12-03

Computer with keyboard

#19
20200371603
2020-11-26

Selectively displaced keys for input and output

#20
20200358440
2020-11-12

System and method for integrating components of an electro-permanent magnet key switch assembly

#21
20200358439
2020-11-12

Mechanical electropermanent magnet key assembly switch with dual purpose spring

#22
20200358438
2020-11-12

System and method for controlling an electro-permanent magnet key switch assembly

#23
20200320966
2020-10-08

Keyboard sensor systems and methods

#24
20200204178
2020-06-25

Replaceable key structure

#25
20200145000
2020-05-07

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

#26
20200136614
2020-04-30

INDUCTIVE PROXIMITY SWITCH

#27
20190103870
2019-04-04

Force sensor, particularly for a touch pad

#28
20190052267
2019-02-14

Key input apparatus

#29
20190041995
2019-02-07

Selectively displaced keys for input and output

#30
20190033923
2019-01-31

Computer with keyboard

#31
20180297831
2018-10-18

BEVERAGE DISPENSING METHOD USING SENSOR ASSEMBLY FOR SENSING DISPENSING OF BEVERAGE

#32
20180262194
2018-09-13

Key input apparatus

#33
20180219553
2018-08-02

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

#34
20180219552
2018-08-02

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

#35
20180219551
2018-08-02

Systems and methods for implementing retractable and/or variable depression force key assemblies

#36
20180025264
2018-01-25

Operator control system for a motor vehicle

#37
20170359063
2017-12-14

Apparatus to secure a sensor assembly for a device touch button

#38
20170302275
2017-10-19

Electronic switch with force feedback function

#39
20170134025
2017-05-11

Field device with an input unit

#40
20160379777
2016-12-29

OPERATION DEVICE

#41
20160352333
2016-12-01

Hall-effect universal control button for a man-machine interface, and man-machine interface equipped with such a control button

#42
20160176292
2016-06-23

Screen-based vehicle operating system

#43
20150341030
2015-11-26

Keyboard assembly including an electromagnet

#44
20150077094
2015-03-19

Inductive position sensing with single channel interface to multiple resonant sensors

#45
20140289438
2014-09-25

Human-machine dialog system

#46
20110074224
2011-03-31

Method and apparatus for operating an electrical appliance

#47
20090219013
2009-09-03

Method and device for secure monitoring of a distance

#48
20090212892
2009-08-27

Circular magnetic switch

#49
20090195338
2009-08-06

Contactless switch

#50
20090125024
2009-05-14

Medical appliance with magnetic adjustment apparatus

#51
20070205840
2007-09-06

Automatic page detector

#52
20050270021
2005-12-08

Hall switch arrangement

#53
18778690
2025-05-27

Hall effect keyboard

#54
18649705
2025-09-16

Hybrid analog key structure

#55
16405941
2020-10-06

System and method for calibrating an electro-permanent magnet key switch assembly

#56
15903535
2019-04-09

Retractable keyboard hinge structure for magnetic keyboard

#57
15422404
2022-07-19

Input device having adjustable input mechanisms