Provisions for enhancing the contrast between the illuminated symbol and the background or between juxtaposed symbols

Industry

CPC
H01H2009/183

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES

Current Industry

H01H2009/183Provisions for enhancing the contrast between the illuminated symbol and the background or between juxtaposed symbols

Industries

Patents Grantslast 30 patents

Information Patent Grant
Luminous keyboard
- Patent number 10,312,035
- Issue date Jun 4, 2019
- Primax Electronics Ltd.
- Ying-Te Chiang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Illuminated switch actuator further surrounded by an illumination s...
- Patent number 10,204,750
- Issue date Feb 12, 2019
- Carling Technologies, Inc.
- Michael Fasano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key button
- Patent number 9,691,572
- Issue date Jun 27, 2017
- NEC PLATFORMS, LTD.
- Tadamine Toh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic key for a vehicle
- Patent number 9,359,790
- Issue date Jun 7, 2016
- Continental Automotive GmbH
- Ulrich Stetter
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Key and keyboard
- Patent number 7,369,064
- Issue date May 6, 2008
- ASUSTeK COMPUTER Inc.
- Chun-Liang Yeh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Unevenly illuminated keyboard
- Patent number 7,154,059
- Issue date Dec 26, 2006
- Zippy Technoloy Corp.
- Chin-Wen Chou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cover member for illuminated pushbutton switch
- Patent number 7,075,024
- Issue date Jul 11, 2006
- Polymatech, Co., Ltd.
- Junya Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cover member for illuminated pushbutton switch
- Patent number 7,005,596
- Issue date Feb 28, 2006
- Polymatech Co., Ltd.
- Junya Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of dynamically lighting keyboard glyphs
- Patent number 6,608,271
- Issue date Aug 19, 2003
- Danger, Inc.
- Matias G. Duarte
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting key with multiple independently-illuminated messages...
- Patent number 6,558,013
- Issue date May 6, 2003
- TEAM
- Francis Tholin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for illuminating a mechanical rotary push-button...
- Patent number 6,531,669
- Issue date Mar 11, 2003
- Rockwell Collins, Inc.
- Robert E. Miller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus with functional symbols adapted to be illuminated by asso...
- Patent number 6,416,844
- Issue date Jul 9, 2002
- TRW Automotive Electronics & Components GmbH & Co. KG
- Thomas Robson
- B44 - DECORATIVE ARTS
Information Patent Grant
Motor vehicle device having illuminated display area for directing...
- Patent number 6,220,738
- Issue date Apr 24, 2001
- Leopold Kostal GmbH & Co. KG
- Harald Donner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control apparatus
- Patent number 6,153,841
- Issue date Nov 28, 2000
- Eaton Corporation
- Roy L. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Molded two part button with illuminated graphic
- Patent number 5,993,019
- Issue date Nov 30, 1999
- Delco Electronics Corporation
- Kerry J. Kline
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Switch knob having illuminated indicator
- Patent number 5,865,302
- Issue date Feb 2, 1999
- Niles Parts Co., Ltd.
- Hiroshi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Back-lit button assembly
- Patent number 5,477,024
- Issue date Dec 19, 1995
- Illinois Tool Works Inc.
- Lawrence Share
- F21 - LIGHTING
Information Patent Grant
Selection and/or adjustment button, in particular for a front panel...
- Patent number 5,451,732
- Issue date Sep 19, 1995
- Societe de Telecommunications, Electronique Aeronautique et Maritime (TEAM)
- Dominique Cayron
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method of making a laser ablated formed cap
- Patent number 5,376,314
- Issue date Dec 27, 1994
- Illinois Tool Works Inc.
- Lawrence Share
- F21 - LIGHTING
Information Patent Grant
Illuminated switch apparatus
- Patent number 5,252,798
- Issue date Oct 12, 1993
- Alps Electric Co., Ltd.
- Soetsu Kamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key top
- Patent number 5,120,920
- Issue date Jun 9, 1992
- Alps Electric Co., Ltd.
- Tatsuya Moriike
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Illumination device for a front panel
- Patent number 4,800,466
- Issue date Jan 24, 1989
- Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. GmbH & Co.
- Karl-Heinz Bauer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Illuminated switch assembly with combined light and light shield
- Patent number 4,683,359
- Issue date Jul 28, 1987
- Eaton Corporation
- Guy A. Wojtanek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Illuminated control knob for electric switch
- Patent number 4,549,050
- Issue date Oct 22, 1985
- General Motors Corporation
- Paul R. Lang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discrete function advisory illumination
- Patent number 4,012,632
- Issue date Mar 15, 1977
- United Technologies Corporation
- Franklin P. Stone
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3639745
- Patent number 3,639,745
- Issue date Feb 1, 1972
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3482542
- Patent number 3,482,542
- Issue date Dec 9, 1969
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3093718
- Patent number 3,093,718
- Issue date Jun 11, 1963
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2904662
- Patent number 2,904,662
- Issue date Sep 15, 1959
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2693165
- Patent number 2,693,165
- Issue date Nov 2, 1954
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
LUMINOUS KEYBOARD
- Publication number 20190115171
- Publication date Apr 18, 2019
- PRIMAX ELECTRONICS LTD.
- Ying-Te Chiang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switch With Illumination Structure and Indication
- Publication number 20180130616
- Publication date May 10, 2018
- Michael Fasano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONE-POWER STATE INDICATION APPARATUS
- Publication number 20140240093
- Publication date Aug 28, 2014
- IRICE ENERGY TECHNOLOGY(SHENZHEN) CO., LTD.
- SHIH-HUI CHEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
KEY BUTTON
- Publication number 20120307479
- Publication date Dec 6, 2012
- NEC INFRONTIA CORPORATION
- Tadamine Toh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROL ELEMENT CAP AND METHOD FOR PRODUCING SAID CONTROL ELEMENT CAP
- Publication number 20110266123
- Publication date Nov 3, 2011
- Preh GmbH
- Martin Jeitner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Push-button switch structure with illumination function
- Publication number 20080169176
- Publication date Jul 17, 2008
- Hsiu-Ling Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Key and keyboard
- Publication number 20060232560
- Publication date Oct 19, 2006
- ASUSTek COMPUTER INC.
- Chun-Liang Yeh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Unevenly illuminated keyboard
- Publication number 20060011459
- Publication date Jan 19, 2006
- Chin-Wen Chou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cover member for illuminated pushbutton switch
- Publication number 20050168966
- Publication date Aug 4, 2005
- POLYMATECH CO., LTD.
- Junya Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing an operational control, and operational control
- Publication number 20040062026
- Publication date Apr 1, 2004
- Karsten Kirchhoff
- B60 - VEHICLES IN GENERAL
Information Patent Application
Cover member for illuminated pushbutton switch
- Publication number 20030116414
- Publication date Jun 26, 2003
- Junya Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of dynamically lighting keyboard glyphs
- Publication number 20030034240
- Publication date Feb 20, 2003
- Matias G. Duarte
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light-emitting key with multiple independently-illuminated messages...
- Publication number 20020021562
- Publication date Feb 21, 2002
- TEAM
- Francis Tholin
- H01 - BASIC ELECTRIC ELEMENTS

Provisions for enhancing the contrast between the illuminated symbol and the background or between juxtaposed symbols

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Luminous keyboard

Illuminated switch actuator further surrounded by an illumination s...

Key button

Electronic key for a vehicle

Key and keyboard

Unevenly illuminated keyboard

Cover member for illuminated pushbutton switch

Cover member for illuminated pushbutton switch

Method of dynamically lighting keyboard glyphs

Light-emitting key with multiple independently-illuminated messages...

Method and system for illuminating a mechanical rotary push-button...

Apparatus with functional symbols adapted to be illuminated by asso...

Motor vehicle device having illuminated display area for directing...

Control apparatus

Molded two part button with illuminated graphic

Switch knob having illuminated indicator

Back-lit button assembly

Selection and/or adjustment button, in particular for a front panel...

Method of making a laser ablated formed cap

Illuminated switch apparatus

Key top

Illumination device for a front panel

Illuminated switch assembly with combined light and light shield

Illuminated control knob for electric switch

Discrete function advisory illumination

3639745

3482542

3093718

2904662

2693165

Patents Applicationslast 30 patents

LUMINOUS KEYBOARD

Switch With Illumination Structure and Indication

NONE-POWER STATE INDICATION APPARATUS

KEY BUTTON

CONTROL ELEMENT CAP AND METHOD FOR PRODUCING SAID CONTROL ELEMENT CAP

Push-button switch structure with illumination function

Key and keyboard

Unevenly illuminated keyboard

Cover member for illuminated pushbutton switch

Method for producing an operational control, and operational control

Cover member for illuminated pushbutton switch

Method of dynamically lighting keyboard glyphs

Light-emitting key with multiple independently-illuminated messages...