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Avoiding permanent dome inversion
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H01H2215/014
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ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2215/00
Tactile feedback
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H01H2215/014
Avoiding permanent dome inversion
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Patents Grants
last 30 patents
Information
Patent Grant
Keyboard, key module, movable switch mechanism and method for manuf...
Patent number
10,607,794
Issue date
Mar 31, 2020
Lite-On Electronics (Guangzhou) Limited
Chun-Lin Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device with at least one control element
Patent number
8,604,375
Issue date
Dec 10, 2013
Sick AG
Georgy Yltchev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact spring assembly for electronic devices
Patent number
7,578,712
Issue date
Aug 25, 2009
Chi Mei Communication Systems, Inc.
Cheng-Lung Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rubber cone layer of a keyboard
Patent number
5,760,351
Issue date
Jun 2, 1998
Chicony Electronics Co., Ltd.
Ching-Cheng Tsai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard with full-travel, self-leveling keyswitches and return mec...
Patent number
5,422,447
Issue date
Jun 6, 1995
Key Tronic Corporation
Kenny R. Spence
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard with full-travel, self-leveling keyswitches
Patent number
5,358,344
Issue date
Oct 25, 1994
Key Tronic Corporation
Kenny R. Spence
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Structure of key switch
Patent number
5,310,973
Issue date
May 10, 1994
Silitek Corporation
Michael Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure of key switch
Patent number
5,199,556
Issue date
Apr 6, 1993
Silitek Corporation
Michael Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Axial load resistant key switch
Patent number
4,803,321
Issue date
Feb 7, 1989
ITT Composants Et Instruments
Jean-Claude Lefebvre
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure of the keyboard button basic pad
Patent number
4,729,679
Issue date
Mar 8, 1988
Silitek Corporation
Johnny Hou
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Membrane key switch with anti-inversion feature
Patent number
4,720,610
Issue date
Jan 19, 1988
AMP Incorporated
Robert A. MacHarrie
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Device with at least one control element
Publication number
20100175975
Publication date
Jul 15, 2010
SICK AG
Georgy Yltchev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTACT SPRING ASSEMBLY FOR ELECTRONIC DEVICES
Publication number
20090042453
Publication date
Feb 12, 2009
Chi Mei Communication Systems, Inc.
CHENG-LUNG CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Key button structure
Publication number
20080035463
Publication date
Feb 14, 2008
Altek Corporation
Chih-Yuan Wu
H01 - BASIC ELECTRIC ELEMENTS