with limited freedom

Industry

CPC
H01H2233/056

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H2233/00Key modules

Current Industry

H01H2233/056with limited freedom

Industries

Patents Grantslast 30 patents

Information Patent Grant
Rotating handle device
- Patent number 10,892,113
- Issue date Jan 12, 2021
- WEG DRIVES & CONTROLS—AUTOMACAO LTDA
- João Paulo Abdala
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key input device for multifunction peripheral equipment
- Patent number 9,704,669
- Issue date Jul 11, 2017
- Brother Kogyo Kabushiki Kaisha
- Mamoru Namba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Push button
- Patent number 7,462,796
- Issue date Dec 9, 2008
- Hon Hai Precision Industry Co., Ltd.
- Chung Chai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard key capable of lowering its overall height
- Patent number 6,969,815
- Issue date Nov 29, 2005
- Zippy Technology Corp.
- Tien-Min Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Backlit full travel key assembly
- Patent number 6,743,993
- Issue date Jun 1, 2004
- Advanced Input Devices, Inc.
- James T. Clark
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Operating device having operating button adapted to slide in housin...
- Patent number 6,459,058
- Issue date Oct 1, 2002
- Alps Electric Co., Ltd.
- Akihiro Shinohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key switches for computer keyboards
- Patent number 6,184,481
- Issue date Feb 6, 2001
- Silitek Corporation
- S. H. Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Push button switch
- Patent number 5,990,435
- Issue date Nov 23, 1999
- Acer Peripherals Inc.
- Shih-Hung Chao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard switch
- Patent number 5,430,267
- Issue date Jul 4, 1995
- SMK Corporation
- Kumio Ozeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low profile keyswitch
- Patent number 5,386,091
- Issue date Jan 31, 1995
- Compaq Computer Corporation
- Kevin F. Clancy
- 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
Convertible hybrid touch button switch
- Patent number 5,308,943
- Issue date May 3, 1994
- Otis Elevator Company
- Christopher P. Screven
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Computer key switch
- Patent number 5,209,588
- Issue date May 11, 1993
- Pao-Chin Chen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Push button key switch
- Patent number 5,203,448
- Issue date Apr 20, 1993
- Minebea Co., Ltd.
- Masamitsu Osada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch
- Patent number 5,201,824
- Issue date Apr 13, 1993
- Alps Electric Co., Ltd.
- Takafumi Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch
- Patent number 5,120,923
- Issue date Jun 9, 1992
- Takafumi Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button for a value input keyboard
- Patent number 4,924,045
- Issue date May 8, 1990
- Mannesmann Kienzle GmbH
- Oskar Zumkeller
- G05 - CONTROLLING REGULATING
Information Patent Grant
Key module for key-actuated membrane switch panels
- Patent number 4,800,245
- Issue date Jan 24, 1989
- Cherry-Mikroschalter GmbH
- Gunter Murmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coil spring for key switch
- Patent number 4,733,036
- Issue date Mar 22, 1988
- Omron Tateisi Electronics Co.
- Haruyuki Koizumi
- 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
Key module for keyboards having a dome-shaped key member of resilie...
- Patent number 4,641,004
- Issue date Feb 3, 1987
- Siemens Aktiengesellschaft
- Jaroslav Keprda
- H01 - BASIC ELECTRIC ELEMENTS
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
Push-button switch and a keyboard comprising the same
- Patent number 4,529,849
- Issue date Jul 16, 1985
- Fujitsu Limited
- Seisuke Kamei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key switch having an actuator integral with the return spring
- Patent number 4,492,838
- Issue date Jan 8, 1985
- AMP Incorporated
- Kazutoyo Fukukura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic keyboard
- Patent number 4,467,150
- Issue date Aug 21, 1984
- Digital Equipment Corporation
- Richard Leitermann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Miniature two-level pushbutton switch
- Patent number 4,359,614
- Issue date Nov 16, 1982
- Illinois Tool Works Inc.
- Todd C. Green
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3917917
- Patent number 3,917,917
- Issue date Nov 4, 1975
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3773998
- Patent number 3,773,998
- Issue date Nov 20, 1973
- H01 - BASIC ELECTRIC ELEMENTS

with limited freedom

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Rotating handle device

Key input device for multifunction peripheral equipment

Push button

Keyboard key capable of lowering its overall height

Backlit full travel key assembly

Operating device having operating button adapted to slide in housin...

Key switches for computer keyboards

Push button switch

Keyboard switch

Low profile keyswitch

Mechanical key switch for a membrane keyboard

Convertible hybrid touch button switch

Computer key switch

Push button key switch

Push button switch

Push button switch

Push button for a value input keyboard

Key module for key-actuated membrane switch panels

Coil spring for key switch

Keyboard having variable inclination of the key plane

Key module for keyboards having a dome-shaped key member of resilie...

Keyboard having low profile modular keys

Push-button switch and a keyboard comprising the same

Key switch having an actuator integral with the return spring

Electronic keyboard

Miniature two-level pushbutton switch

3917917

3773998