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H01J2229/4886

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

Current Industry

H01J2229/4886polygonal

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,731,056
- Issue date May 4, 2004
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,633,142
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode-ray tube apparatus
- Patent number 6,538,397
- Issue date Mar 25, 2003
- Kabushiki Kaisha Toshiba
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode-ray tube having a dynamic focus voltage
- Patent number 6,407,491
- Issue date Jun 18, 2002
- Hitachi, Ltd.
- Kazunari Noguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,348,759
- Issue date Feb 19, 2002
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,255,788
- Issue date Jul 3, 2001
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode gun with grid electrode having contoured apertures
- Patent number 6,255,767
- Issue date Jul 3, 2001
- Orion Electric Co., Ltd.
- Joo Il Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,144,151
- Issue date Nov 7, 2000
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,031,346
- Issue date Feb 29, 2000
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line electron gun for color cathode ray tube with cut away struc...
- Patent number 5,883,463
- Issue date Mar 16, 1999
- Sony Corporation
- Norifumi Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 5,828,191
- Issue date Oct 27, 1998
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube and in-line electron gun with focusing electrode...
- Patent number 5,747,922
- Issue date May 5, 1998
- Matsushita Electronics Corporation
- Masahiko Sukeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color cathode ray tube providing two electron beam...
- Patent number 5,739,629
- Issue date Apr 14, 1998
- Samsung Display Devices Co., Ltd.
- Neung-yong Yun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display tube comprising an in-line electron gun with astigmat...
- Patent number 5,710,479
- Issue date Jan 20, 1998
- U.S. Phillips Corporation
- Jan P. Adriaanse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 5,610,481
- Issue date Mar 11, 1997
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun having focusing electrode and anode with a plurality o...
- Patent number 5,434,471
- Issue date Jul 18, 1995
- Goldstar Co., Ltd.
- Bong K. Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun and cathode-ray tube
- Patent number 5,241,237
- Issue date Aug 31, 1993
- Hitachi, Ltd.
- Masayoshi Misono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display tube with electrostatic focusing lens
- Patent number 4,626,738
- Issue date Dec 2, 1986
- U.S. Philips Corporation
- Hans G. Gerlach
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Color cathode ray tube having an improved electron gun
- Publication number 20020074928
- Publication date Jun 20, 2002
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Color cathode ray tube having an improved electron gun

Cathode ray tube with low dynamic correction voltage

Color cathode-ray tube apparatus

Color cathode-ray tube having a dynamic focus voltage

Color cathode ray tube having an improved electron gun

Cathode ray tube with low dynamic correction voltage

Electrode gun with grid electrode having contoured apertures

Color cathode ray tube having an improved electron gun

Cathode ray tube with low dynamic correction voltage

In-line electron gun for color cathode ray tube with cut away struc...

Cathode ray tube with low dynamic correction voltage

Color picture tube and in-line electron gun with focusing electrode...

Electron gun for color cathode ray tube providing two electron beam...

Color display tube comprising an in-line electron gun with astigmat...

Cathode ray tube with low dynamic correction voltage

Electron gun having focusing electrode and anode with a plurality o...

Electron gun and cathode-ray tube

Color display tube with electrostatic focusing lens

Patents Applicationslast 30 patents

Color cathode ray tube having an improved electron gun