ClassID:

221795

H03K17/9638 - 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 light guide

Recent Application in this class:
#1
20240421818
2024-12-19

TOUCH INPUT DEVICE

#2
20200252065
2020-08-06

Inverter housing

#3
20190354197
2019-11-21

Input device with overlapping key structure

#4
20190238132
2019-08-01

Split type dual optical path key switch and a mechanical keyboard

#5
20190149152
2019-05-16

Input device

#6
20180248068
2018-08-30

Wafer level packaging, optical detection sensor and method of forming same

#7
20170222648
2017-08-03

Ultra low voltage digital circuit and operation method thereof

#8
20170222646
2017-08-03

Photoelectric switch

#9
20170160874
2017-06-08

Operating device for motor vehicles

#10
20170111045
2017-04-20

PRESSURE SENSITIVE ILLUMINATION SYSTEM

#11
20170060345
2017-03-02

Adaptive reflected light touch sensor

#12
20160191055
2016-06-30

Reflective switch input surface

#13
20160099373
2016-04-07

Wafer level packaging, optical detection sensor and method of forming same

#14
20150180472
2015-06-25

DISPLAY DEVICE AND INFRARED TOUCH MODULE THEREOF

#15
20130266256
2013-10-10

Optical switch

#16
20130128587
2013-05-23

PRESSURE SENSITIVE ILLUMINATION SYSTEM

#17
20120188171
2012-07-26

Method for resolving blind spots associated with proximity sensors

#18
20110148814
2011-06-23

Sensor system and optical touch sensor

#19
20100326803
2010-12-30

Keypad with a light guide pad

#20
20100231532
2010-09-16

Touch sensing system and display apparatus employing the same

#21
20100149113
2010-06-17

PROXIMITY SENSOR DEVICE, ELECTRONIC APPARATUS AND METHOD OF SENSING OBJECT PROXIMITY

#22
20090152451
2009-06-18

Touch-sensitive momentary-contact switch and operating device having at least one touch-sensitive momentary-contact switch

#23
20080238725
2008-10-02

Optical keypad for electronic device

#24
20080007541
2008-01-10

Optical touchpad system and waveguide for use therein

#25
20070228263
2007-10-04

Touch/proximity-sensing using reflective optical sensor and a light pipe for specularly reflecting light

#26
20070222760
2007-09-27

Data input device

#27
20050252754
2005-11-17

Touch-sensitive momentary-contact switch and control device having the momentary-contact switch

#28
20050184885
2005-08-25

Optical keyboard with geodesic optical elements