ClassID:

204099

H01H2219/048 - CPC Classification

Classification description:

Legends; Light emitting elements Constituting key

Recent Application in this class:
#1
20240013988
2024-01-11

KEYBOARD KEY STRUCTURE AND LIGHT GUIDE

#2
20230420199
2023-12-28

LIGHTING KEYBOARD, BACKLIGHT MODULE AND LIGHTING BOARD

#3
20230420197
2023-12-28

Illuminated keyswitch structure

#4
20210166895
2021-06-03

Keycaps having reduced thickness

#5
20200294739
2020-09-17

Light-emitting keyswitch, cap structure and cap structure manufacturing method thereof

#6
20190237278
2019-08-01

Key switch structure and assembling method thereof

#7
20190214201
2019-07-11

Keycaps having reduced thickness

#8
20190157023
2019-05-23

Push-button switch with the switching elment arranged on the keycap

#9
20180053611
2018-02-22

LIGHT COLOR CHANGEABLE ILLUMINATED KEYBOARD

#10
20180019080
2018-01-18

Keyboard

#11
20170301487
2017-10-19

Keycaps having reduced thickness

#12
20170194118
2017-07-06

Button with flexible light conductor

#13
20170184273
2017-06-29

Input component, sensor sheet, and decorative component

#14
20170076884
2017-03-16

Light emitting keyboard

#15
20170076883
2017-03-16

LIGHT EMITTING KEYBOARD

#16
20170011870
2017-01-12

Low profile keyboard backlight module

#17
20160336124
2016-11-17

Uniform illumination of keys

#18
20160329173
2016-11-10

KEYBOARD BACKLIGHTING WITH DEPOSITED LIGHT-GENERATING SOURCES

#19
20160118206
2016-04-28

Keyboard

#20
20160049266
2016-02-18

Fabric keyboard

#21
20160042890
2016-02-11

KEY STRUCTURE AND KEYBOARD MODULE

#22
20150138096
2015-05-21

Keyboard backlighting with deposited light-generating sources

#23
20150090571
2015-04-02

Keycaps having reduced thickness

#24
20150060245
2015-03-05

Illuminated, water- and dust-proof switching element

#25
20140326589
2014-11-06

Key plate and illuminated keyboard having the same

#26
20100126836
2010-05-27

Keypad apparatus for electronic device

#27
20090272638
2009-11-05

Keyboard with integrated electroluminescent illumination

#28
20090218204
2009-09-03

Luminous micro-switch

#29
20090000937
2009-01-01

Miniature switch and battery holder

#30
20080245643
2008-10-09

Button device

#31
20080029373
2008-02-07

EL sheet and member for lighting push-button switch

#32
20050252758
2005-11-17

Control panel assembly with moveable illuminating button and method of making the same