Linear coil spring combined with dome spring

Industry

CPC
H01H2235/002

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H2235/00Springs

Current Industry

H01H2235/002Linear coil spring combined with dome spring

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Reaction force generating member for a key switch device
- Patent number 11,011,329
- Issue date May 18, 2021
- Fujitsu Component Limited
- Takeshi Nishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reaction force generating member for a key switch device
- Patent number 10,410,806
- Issue date Sep 10, 2019
- Fujitsu Component Limited
- Takeshi Nishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key switch device and keyboard
- Patent number 9,741,507
- Issue date Aug 22, 2017
- Fujitsu Component Limited
- Takeshi Nishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key system for an electronic device
- Patent number 8,963,744
- Issue date Feb 24, 2015
- BlackBerry Limited
- Jason Griffin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electrical switch having a variable return force
- Patent number 7,442,894
- Issue date Oct 28, 2008
- CoActive Technologies, Inc.
- Jean-Christophe Villain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key system for a communication device
- Patent number 7,385,530
- Issue date Jun 10, 2008
- Research in Motion Limited
- Jason Griffin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-contact input device
- Patent number 7,176,392
- Issue date Feb 13, 2007
- Hosiden Corporation
- Takuhiko Saomoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch device
- Patent number 6,515,242
- Issue date Feb 4, 2003
- Alps Electric Co., Ltd.
- Hiroki Takatsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key switch for a keyboard
- Patent number 5,938,009
- Issue date Aug 17, 1999
- Silitek Corporation
- Gear Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for preventing injury to an electronic compute...
- Patent number 5,676,476
- Issue date Oct 14, 1997
- Alan K. Uke
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key switch
- Patent number 5,512,722
- Issue date Apr 30, 1996
- SMK Corporation
- Kumio Ozeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Computer key switch
- Patent number 5,442,152
- Issue date Aug 15, 1995
- Focus Electronic Co., Ltd.
- Chih-Lun Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanical key switch for a membrane keyboard
- Patent number 5,324,902
- Issue date Jun 28, 1994
- Chen T. Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyswitch for computer keyboard
- Patent number 4,939,324
- Issue date Jul 3, 1990
- Key Tronic Corporation
- George P. English
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard switch
- Patent number 4,864,085
- Issue date Sep 5, 1989
- Hosiden Electronics Co., Ltd.
- Tadashi Hanajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slide switch
- Patent number 4,659,882
- Issue date Apr 21, 1987
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard having variable inclination of the key plane
- Patent number 4,658,124
- Issue date Apr 14, 1987
- Ing. C. Olivetti & C., S.p.A.
- Domenico Bertina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard with removable modular keys
- Patent number 4,602,138
- Issue date Jul 22, 1986
- Ing. C. Olivetti & C., S.p.A.
- Eugenio Berutto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Keyboard having low profile modular keys
- Patent number 4,563,550
- Issue date Jan 7, 1986
- Ing. C. Olivetti & C., S.p.A.
- Domenico Bertina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard switch assembly
- Patent number 4,439,646
- Issue date Mar 27, 1984
- Societe de Telecommunications Electronique Aeronautique et Maritime T.E.A.M.
- Andre M. Bouvrande
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical switch assembly
- Patent number 4,156,802
- Issue date May 29, 1979
- Telaris Telecommunications, Inc.
- Michael N. Gilano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard switch assembly having flexible contact carrying member be...
- Patent number 4,129,758
- Issue date Dec 12, 1978
- Telaris Telecommunications, Inc.
- Michael N. Gilano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual spring actuator for keyboard switch assembly
- Patent number 4,117,292
- Issue date Sep 26, 1978
- Telaris Telecommunications, Inc.
- James Christopher Hayes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-contact push-button switch and plural embodiment for keyboard...
- Patent number 4,029,916
- Issue date Jun 14, 1977
- Northern Electric Company Limited
- Pak-Jong Chu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3899648
- Patent number 3,899,648
- Issue date Aug 12, 1975
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3707609
- Patent number 3,707,609
- Issue date Dec 26, 1972
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
REACTION FORCE GENERATING MEMBER FOR A KEY SWITCH DEVICE
- Publication number 20190341206
- Publication date Nov 7, 2019
- FUJITSU COMPONENT LIMITED
- Takeshi NISHINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
KEY SWITCH DEVICE AND KEYBOARD
- Publication number 20170271103
- Publication date Sep 21, 2017
- FUJITSU COMPONENT LIMITED
- Takeshi NISHINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PUSHBUTTON SWITCH
- Publication number 20130032457
- Publication date Feb 7, 2013
- CoActive Technologies, LLC
- Ian Winston Quinn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL SWITCH HAVING A VARIABLE RETURN FORCE
- Publication number 20080217155
- Publication date Sep 11, 2008
- COACTIVE TECHNOLOGIES, INC.
- Jean-Christophe Villain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
KEY SYSTEM FOR AN ELECTRONIC DEVICE
- Publication number 20080211696
- Publication date Sep 4, 2008
- Research In Motion Limited
- Jason Griffin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Key system for a communication device
- Publication number 20060261983
- Publication date Nov 23, 2006
- Research In Motion Limited
- Jason Griffin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Multi-contact input device
- Publication number 20060060455
- Publication date Mar 23, 2006
- HOSIDEN CORPORATION
- Yoshihisa Mimata
- G05 - CONTROLLING REGULATING
Information Patent Application
Switch device
- Publication number 20010013464
- Publication date Aug 16, 2001
- Alps Electric Co., Ltd.
- Hiroki Takatsuki
- H01 - BASIC ELECTRIC ELEMENTS

Linear coil spring combined with dome spring

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Reaction force generating member for a key switch device

Reaction force generating member for a key switch device

Key switch device and keyboard

Key system for an electronic device

Electrical switch having a variable return force

Key system for a communication device

Multi-contact input device

Switch device

Key switch for a keyboard

Method and apparatus for preventing injury to an electronic compute...

Key switch

Computer key switch

Mechanical key switch for a membrane keyboard

Keyswitch for computer keyboard

Keyboard switch

Slide switch

Keyboard having variable inclination of the key plane

Keyboard with removable modular keys

Keyboard having low profile modular keys

Keyboard switch assembly

Electrical switch assembly

Keyboard switch assembly having flexible contact carrying member be...

Dual spring actuator for keyboard switch assembly

Multi-contact push-button switch and plural embodiment for keyboard...

3899648

3707609

Patents Applicationslast 30 patents

REACTION FORCE GENERATING MEMBER FOR A KEY SWITCH DEVICE

KEY SWITCH DEVICE AND KEYBOARD

PUSHBUTTON SWITCH

ELECTRICAL SWITCH HAVING A VARIABLE RETURN FORCE

KEY SYSTEM FOR AN ELECTRONIC DEVICE

Key system for a communication device

Multi-contact input device

Switch device