H01H2227/004 - CPC Classification Index

ClassID:

204210 ⎘

H01H2227/004 - CPC Classification

Classification description:

Dimensions; Characteristics; Layer thickness Membrane

Recent Application in this class:

20230268145

2023-08-24

KEY DEVICE

20170186565

2017-06-29

Thin-film switch

20160181041

2016-06-23

MEMS STRUCTURE WITH THICK MOVABLE MEMBRANE

20160181040

2016-06-23

MEMS STRUCTURE WITH MULTILAYER MEMBRANE

20160093455

2016-03-31

Key switch device and keyboard

20130146434

2013-06-13

Key switch device

20120163894

2012-06-28

KEYS AND KEYBOARD COMPRISING THE SAME

20110089011

2011-04-21

Switch module

20090223801

2009-09-10

MEMBER FOR PUSH BUTTON SWITCH AND MANUFACTURING METHOD THEREOF

#10

20090200148

2009-08-13

Key sheet

#11

20090160682

2009-06-25

Capacitive sensing device for use in a keypad assembly

#12

20080277253

2008-11-13

Thin key sheet

#13

20070252825

2007-11-01

Touch panel

#14

20050030048

2005-02-10

Capacitive sensing device for use in a keypad assembly