Demagnetisation

Industry

CPC
H01J2229/0053

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2229/00Details of cathode ray tubes or electron beam tubes

Current Industry

H01J2229/0053Demagnetisation

Industries

Patents Grantslast 30 patents

Information Patent Grant
Color cathode ray tube having DC magnetic field during degaussing p...
- Patent number 6,963,163
- Issue date Nov 8, 2005
- Matsushita Electric Industrial Co., Ltd.
- Shigeo Nakatera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having degaussing coil for minimizing variations i...
- Patent number 6,686,695
- Issue date Feb 3, 2004
- Samsung SDI Co., Ltd.
- Tok-Chin Woo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for mounting a degaussing coil
- Patent number 6,671,007
- Issue date Dec 30, 2003
- Thomson Licensing, S.A.
- Eric Richard May
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tensioning clip and high voltage wire holder
- Patent number 6,338,462
- Issue date Jan 15, 2002
- Sony Corporation
- Shawn Harper
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Degaussing coil
- Patent number 6,020,806
- Issue date Feb 1, 2000
- Thomson Television Components France
- Jean-Claude Sey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electron tube grounding device of image display unit
- Patent number 5,932,954
- Issue date Aug 3, 1999
- SamSung Electronics Co., Ltd.
- Sung-Soo Kwon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of degaussing a color cathode ray tube
- Patent number 5,901,029
- Issue date May 4, 1999
- Kabushiki Kaisha Toshiba
- Kiyoshi Tokita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for the manufacture of a degaussing coil
- Patent number 5,878,482
- Issue date Mar 9, 1999
- Thomson Television Components France
- Jean-Claude Sey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic field shielding device in display
- Patent number 5,815,361
- Issue date Sep 29, 1998
- Samsung Electronics Co., Ltd.
- Sung-Yun Cho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of magnetically processing color cathode-ray tube
- Patent number 5,759,077
- Issue date Jun 2, 1998
- Sony Corporation
- Akihiko Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Degaussing coil
- Patent number 5,751,206
- Issue date May 12, 1998
- Thomson Television Components France
- Jean-Claude Sey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for mitigating the effects of ambient magnetic fields on...
- Patent number 5,742,128
- Issue date Apr 21, 1998
- Orwin Associates, Inc.
- Winfield Scott Bearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demagnetizing device for a cathode ray tube
- Patent number 5,736,914
- Issue date Apr 7, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Kazunari Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube display with cancellation of electric field emissions
- Patent number 5,726,538
- Issue date Mar 10, 1998
- International Business Machines Corporation
- Frederick S. Jackson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Demagnetizing device is automatically energized after counting a se...
- Patent number 5,696,565
- Issue date Dec 9, 1997
- Sony Corporation
- Peter Shintani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube
- Patent number 5,614,791
- Issue date Mar 25, 1997
- Sony Corporation
- Hisao Kume
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CRT having an implosion protection band with brackets
- Patent number 5,606,377
- Issue date Feb 25, 1997
- Thomson Consumer Electronics, Inc.
- Harry R. Swank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color monitor magnetic shield
- Patent number 5,604,403
- Issue date Feb 18, 1997
- Aydin Corporation
- Moises Levy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Engaging structure of retainer
- Patent number 5,601,260
- Issue date Feb 11, 1997
- Nifco, Inc.
- Katsuyoshi Shinohara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Color display device comprising a color display tube and a delaying...
- Patent number 5,559,401
- Issue date Sep 24, 1996
- U.S. Philips Corporation
- Hendrik J. De Wit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube having a cancel coil for earth magnetism
- Patent number 5,521,463
- Issue date May 28, 1996
- Sony Corporation
- Junichi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode-ray tube having degaussing coils with flat portions on an i...
- Patent number 5,382,868
- Issue date Jan 17, 1995
- Sony Corporation
- Akira Fukaishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube and degaussing coil employed therein
- Patent number 5,343,111
- Issue date Aug 30, 1994
- Sony Corporation
- Toru Miwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for suppressing field radiation from display device
- Patent number 5,260,626
- Issue date Nov 9, 1993
- Nanao Corporation
- Katsuhisa Takase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Injection molded printed circuit degauss coil
- Patent number 5,216,326
- Issue date Jun 1, 1993
- Apple Computer, Inc.
- David A. Lundgren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for suppression of leakage of magnetic flux in di...
- Patent number 5,200,673
- Issue date Apr 6, 1993
- Victor Company of Japan, Ltd.
- Hideo Hishiki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube set
- Patent number 5,198,960
- Issue date Mar 30, 1993
- Kabushiki Kaisha Toshiba
- Kiyoshi Tokita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for demagnetizing a picture tube
- Patent number 5,128,642
- Issue date Jul 7, 1992
- U.S. Philips Corporation
- Herbert Anders
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus employing two independent means for nulling an...
- Patent number 5,117,155
- Issue date May 26, 1992
- Interstate Electronics Corp.
- Frederick T. Buhler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for dynamic magnetic field neutralization
- Patent number 5,073,744
- Issue date Dec 17, 1991
- Interstate Electronics Corp.
- Frederick T. Buhler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Color cathode ray tube
- Publication number 20030122469
- Publication date Jul 3, 2003
- Matsushita Electric Industrial Co., Ltd.
- Shigeo Nakatera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having degaussing coil for minimizing variations i...
- Publication number 20030085658
- Publication date May 8, 2003
- Tok-Chin Woo
- H01 - BASIC ELECTRIC ELEMENTS

Demagnetisation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Color cathode ray tube having DC magnetic field during degaussing p...

Cathode ray tube having degaussing coil for minimizing variations i...

Method and apparatus for mounting a degaussing coil

Tensioning clip and high voltage wire holder

Degaussing coil

Electron tube grounding device of image display unit

Method of degaussing a color cathode ray tube

Method for the manufacture of a degaussing coil

Magnetic field shielding device in display

Method of magnetically processing color cathode-ray tube

Degaussing coil

Apparatus for mitigating the effects of ambient magnetic fields on...

Demagnetizing device for a cathode ray tube

Cathode ray tube display with cancellation of electric field emissions

Demagnetizing device is automatically energized after counting a se...

Cathode ray tube

CRT having an implosion protection band with brackets

Color monitor magnetic shield

Engaging structure of retainer

Color display device comprising a color display tube and a delaying...

Cathode ray tube having a cancel coil for earth magnetism

Cathode-ray tube having degaussing coils with flat portions on an i...

Cathode ray tube and degaussing coil employed therein

Apparatus for suppressing field radiation from display device

Injection molded printed circuit degauss coil

Method and device for suppression of leakage of magnetic flux in di...

Color cathode ray tube set

Device for demagnetizing a picture tube

Method and apparatus employing two independent means for nulling an...

Method and apparatus for dynamic magnetic field neutralization

Patents Applicationslast 30 patents

Color cathode ray tube

Cathode ray tube having degaussing coil for minimizing variations i...