Patents-Review.com
ClassID:

221791 ⎘

H03K17/9629 - 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; Touch switches; Optical touch switches using a plurality of detectors, e.g. keyboard

Recent Application in this class:
#1
20250300656
2025-09-25

IR TIMING CALIBRATION FOR A KEY SWITCH

 #2
20250175177
2025-05-29

IR TIMING CALIBRATION FOR A KEY SWITCH

 #3
20240421818
2024-12-19

TOUCH INPUT DEVICE

 #4
20240022250
2024-01-18

Method for operating an optoelectronic touch and/or operating element

 #5
20210311585
2021-10-07

Optical touch sensor devices and systems

 #6
20200252065
2020-08-06

Inverter housing

 #7
20190238132
2019-08-01

Split type dual optical path key switch and a mechanical keyboard

 #8
20180335340
2018-11-22

System for detecting the presence and position of hands and/or fingers near a vehicle steering wheel

 #9
20180069588
2018-03-08

Electronic device antennas with ground isolation

 #10
20180013430
2018-01-11

OPTICAL KEYBOARD

 #11
20170244409
2017-08-24

Keyswitch and keyboard with distance detecting function

 #12
20170220194
2017-08-03

Optical sensing device, semiconductor device containing the same, and method for driving the same

 #13
20170019102
2017-01-19

Switch module of photoelectric integrated mechanical shaft keyboard

 #14
20160329011
2016-11-10

FLEXIBLE DEVICE

 #15
20160191055
2016-06-30

Reflective switch input surface

 #16
20160070404
2016-03-10

Fingerprint-assisted force estimation

 #17
20160004319
2016-01-07

Apparatus and method for recognizing a moving direction of gesture based on differences between sensor output values

 #18
20150338997
2015-11-26

Control device and electronic device comprising same

 #19
20150324007
2015-11-12

Keypad with optical sensors

 #20
20150180472
2015-06-25

DISPLAY DEVICE AND INFRARED TOUCH MODULE THEREOF

 #21
20150158501
2015-06-11

Control panels

 #22
20150029157
2015-01-29

Optical sensing type built in touch control screen panel and a display device

 #23
20140292658
2014-10-02

Keypad with optical sensors

 #24
20140062220
2014-03-06

Non-contact selection switch

 #25
20130266256
2013-10-10

Optical switch

 #26
20130026350
2013-01-31

Multi-directional proximity sensor

 #27
20120327002
2012-12-27

CONTROL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME

 #28
20120162081
2012-06-28

Keyboard including movement activated optical keys and related methods

 #29
20120032812
2012-02-09

Multiple optical axis photoelectric sensor

 #30
20110316812
2011-12-29

IMAGE SENSOR CONTROL OVER A VARIABLE FUNCTION OR OPERATION

 #31
20110012856
2011-01-20

Methods for Operation of a Touch Input Device

 #32
20100326803
2010-12-30

Keypad with a light guide pad

 #33
20100155575
2010-06-24

ARRANGEMENT AND METHOD IN AN ELECTRONIC DEVICE FOR DETECTING A USER INPUT TO A KEY

 #34
20100020040
2010-01-28

Multi-touch sensing light emitting diode display and method for using the same

 #35
20090237577
2009-09-24

ELECTRONIC DEVICE AND INPUT DEVICE THEREOF

 #36
20080238725
2008-10-02

Optical keypad for electronic device

 #37
20080055494
2008-03-06

LCD touchscreen panel with scanning backlight

 #38
20060086896
2006-04-27

Multi-touch sensing light emitting diode display and method for using the same

 #39
20050184885
2005-08-25

Optical keyboard with geodesic optical elements