Preventing or cancelling fields entering the enclosure

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CPC
H01J2229/003

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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

H01J2229/003Preventing or cancelling fields entering the enclosure

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Inner shield and cathode ray tube including the same
- Patent number 6,987,350
- Issue date Jan 17, 2006
- Samsung SDI Co., Ltd.
- Jong-Heon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having magnetic shield with a bent portion
- Patent number 6,979,943
- Issue date Dec 27, 2005
- Matsushita Electric Industrial Co., Ltd.
- Naoki Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
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, cathode-ray tube apparatus, image display apparat...
- Patent number 6,963,181
- Issue date Nov 8, 2005
- Matsushita Electric Industrial Co., Ltd.
- Shigeo Nakatera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for cathode ray tube
- Patent number 6,952,077
- Issue date Oct 4, 2005
- Samsung SDI Co., Ltd.
- Duk-Sung Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube
- Patent number 6,812,630
- Issue date Nov 2, 2004
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichiro Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with structure for preventing electron beam mis-la...
- Patent number 6,809,466
- Issue date Oct 26, 2004
- Samsung SDI Co., Ltd.
- Chan-Yong Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube
- Patent number 6,806,633
- Issue date Oct 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Ryuichi Murai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inner magnetic shield and cathode-ray tube
- Patent number 6,768,253
- Issue date Jul 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Iwamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shield for a tension masks in a cathode ray tube
- Patent number 6,727,638
- Issue date Apr 27, 2004
- Thomson Licensing S.A.
- Cesare De Paolis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with structure for preventing electron beam mis-la...
- Patent number 6,700,320
- Issue date Mar 2, 2004
- Samsung SDI Co., Ltd.
- Eung-Suk Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display tube comprising an internal magnetic shield
- Patent number 6,686,687
- Issue date Feb 3, 2004
- Koninklijke Philips Electronics N.V.
- Adrianus Johannes Van Mensvoort
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Steel sheet for heat shrink band effective for preventing color drift
- Patent number 6,554,917
- Issue date Apr 29, 2003
- NKK Corporation
- Nobuo Yamagami
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for automatically correcting for earth magnetic field eff...
- Patent number 6,501,222
- Issue date Dec 31, 2002
- LG Electronics
- Kyung Sic Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube with internal magnetic shield
- Patent number 6,448,702
- Issue date Sep 10, 2002
- NEC Corporation
- Akihiro Kamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shield from earth magnetic field, for neck of cathode ray tube
- Patent number 6,369,500
- Issue date Apr 9, 2002
- Samsung SDI Co., Ltd.
- Jang-Jin Joung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode-ray tube having internal magnetic shield
- Patent number 6,339,282
- Issue date Jan 15, 2002
- Hitachi, Ltd.
- Mutsumi Maehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Purity adjustment device for video display appliance
- Patent number 6,246,448
- Issue date Jun 12, 2001
- LG Electronics, Inc.
- Kwang Ho Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic magnetic field compensator for a CRT
- Patent number 6,194,848
- Issue date Feb 27, 2001
- Samsung Electronics Co., Ltd.
- Sang-Hae Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color cathode-ray tube having internal magnetic shield
- Patent number 6,177,758
- Issue date Jan 23, 2001
- Hitachi, Ltd.
- Mutsumi Maehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube inner shield and method for fabricating the...
- Patent number 6,060,825
- Issue date May 9, 2000
- LG Electronics, Inc.
- Sang-Mun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inner shield for CRT
- Patent number 6,046,536
- Issue date Apr 4, 2000
- Samsung Display Devices Co., Ltd.
- Sam-kyoung Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetism shield for cathode ray tube
- Patent number 6,034,744
- Issue date Mar 7, 2000
- LG Electronics Inc.
- Eun Woo Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color cathode-ray tube having internal magnetic shield
- Patent number 6,020,678
- Issue date Feb 1, 2000
- Hitachi, Ltd.
- Mutsumi Maehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Geomagnetic direction sensor
- Patent number 5,982,176
- Issue date Nov 9, 1999
- Sony Corporation
- Yoshihisa Kawamura
- G01 - MEASURING TESTING
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
Deflection yoke mounting device of the spray
- Patent number 5,861,711
- Issue date Jan 19, 1999
- SamSung Electronics Co., Ltd.
- Soon-Dong Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube and method of producing the same
- Patent number 5,770,258
- Issue date Jun 23, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Tomoki Takizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube
- Patent number 5,763,996
- Issue date Jun 9, 1998
- Samsung Display Devices Co., Ltd.
- Jae-woo Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray image intensifier tube apparatus having magnetic shield
- Patent number 5,757,118
- Issue date May 26, 1998
- Kabushiki Kaisha Toshiba
- Hiroshi Kubo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High Deflection Angle CRT Display
- Publication number 20090262237
- Publication date Oct 22, 2009
- Richard Hugh Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device for Fixing an Internal Magnetic Screen to a Frame
- Publication number 20070236128
- Publication date Oct 11, 2007
- Thomson Licensing S.A.
- Pedro Cosma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inner shield for slim cathode ray tubes
- Publication number 20060181191
- Publication date Aug 17, 2006
- LG. Philips Displays Korea CO., LTD.
- Min Ho Lim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Projection display apparatus and magnetic shield device
- Publication number 20050242754
- Publication date Nov 3, 2005
- Kabushiki Kaisha Toshiba
- Kenichi Ooshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Internal magnetic shield for crt
- Publication number 20050242699
- Publication date Nov 3, 2005
- Ludovic Peter Willem Huysmans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube with improved, stackable interal magnetic shield
- Publication number 20050162057
- Publication date Jul 28, 2005
- Franciscus Henricus Josephus Simkens
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inner shield and cathode ray tube including the same
- Publication number 20040080254
- Publication date Apr 29, 2004
- Jong-Heon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inner magnetic shielding material and method for production thereof
- Publication number 20040048089
- Publication date Mar 11, 2004
- Yoshikazu Yamanaka
- C21 - METALLURGY OF IRON
Information Patent Application
Cathode ray tube
- Publication number 20040041513
- Publication date Mar 4, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaki Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube
- Publication number 20040032196
- Publication date Feb 19, 2004
- Ryuichi Murai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube, cathode-ray tube apparatus, image display apparat...
- Publication number 20040004427
- Publication date Jan 8, 2004
- Shigeo Nakatera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Image receiving tube device
- Publication number 20030155853
- Publication date Aug 21, 2003
- Naoki Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
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
- Publication number 20030057823
- Publication date Mar 27, 2003
- Shin-ichiro Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube
- Publication number 20030001485
- Publication date Jan 2, 2003
- Shin-ichiro Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube with structure for preventing electron beam mis-la...
- Publication number 20020171348
- Publication date Nov 21, 2002
- Eung-Suk Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube with structure for preventing electron beam mis-la...
- Publication number 20020171350
- Publication date Nov 21, 2002
- Chan-Yong Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun for cathode ray tube
- Publication number 20020171351
- Publication date Nov 21, 2002
- Duk-Sung Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and apparatus that provides magnetic shielding for tension m...
- Publication number 20020079810
- Publication date Jun 27, 2002
- Cesare De Paolis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color display tube comprising an internal magnetic shield
- Publication number 20020014824
- Publication date Feb 7, 2002
- Koninklijke Philips Electronics N.V.
- Adrianus Johannes Van Mensvoort
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color cathode-ray tube having internal magnetic shield
- Publication number 20010000645
- Publication date May 3, 2001
- Mutsumi Maehara
- H01 - BASIC ELECTRIC ELEMENTS

Preventing or cancelling fields entering the enclosure

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Inner shield and cathode ray tube including the same

Cathode ray tube having magnetic shield with a bent portion

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

Cathode-ray tube, cathode-ray tube apparatus, image display apparat...

Electron gun for cathode ray tube

Cathode-ray tube

Cathode ray tube with structure for preventing electron beam mis-la...

Cathode ray tube

Inner magnetic shield and cathode-ray tube

Shield for a tension masks in a cathode ray tube

Cathode ray tube with structure for preventing electron beam mis-la...

Color display tube comprising an internal magnetic shield

Steel sheet for heat shrink band effective for preventing color drift

Apparatus for automatically correcting for earth magnetic field eff...

Cathode ray tube with internal magnetic shield

Shield from earth magnetic field, for neck of cathode ray tube

Color cathode-ray tube having internal magnetic shield

Purity adjustment device for video display appliance

Automatic magnetic field compensator for a CRT

Color cathode-ray tube having internal magnetic shield

Color cathode ray tube inner shield and method for fabricating the...

Inner shield for CRT

Magnetism shield for cathode ray tube

Color cathode-ray tube having internal magnetic shield

Geomagnetic direction sensor

Electron tube grounding device of image display unit

Deflection yoke mounting device of the spray

Cathode-ray tube and method of producing the same

Cathode ray tube

X-ray image intensifier tube apparatus having magnetic shield

Patents Applicationslast 30 patents

High Deflection Angle CRT Display

Device for Fixing an Internal Magnetic Screen to a Frame

Inner shield for slim cathode ray tubes

Projection display apparatus and magnetic shield device

Internal magnetic shield for crt

Cathode ray tube with improved, stackable interal magnetic shield

Inner shield and cathode ray tube including the same

Inner magnetic shielding material and method for production thereof

Cathode ray tube

Cathode ray tube

Cathode-ray tube, cathode-ray tube apparatus, image display apparat...

Image receiving tube device

Color cathode ray tube

Cathode-ray tube

Cathode-ray tube

Cathode ray tube with structure for preventing electron beam mis-la...

Cathode ray tube with structure for preventing electron beam mis-la...

Electron gun for cathode ray tube

Method and apparatus that provides magnetic shielding for tension m...

Color display tube comprising an internal magnetic shield

Color cathode-ray tube having internal magnetic shield