Two or more guns in a single vacuum space

Industry

CPC
H01J29/50

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/50Two or more guns in a single vacuum space

Industries

Patents Grantslast 30 patents

Information Patent Grant
X-ray tube including hybrid electron emission source
- Patent number 10,147,581
- Issue date Dec 4, 2018
- Electronics and Telecommunications Research Institute
- Jun Tae Kang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube
- Patent number 9,653,248
- Issue date May 16, 2017
- Toshiba Electron Tubes & Devices Co., Ltd.
- Tomonari Ishihara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cathode ray tube having an electron gun
- Patent number 7,312,564
- Issue date Dec 25, 2007
- Thomson Licensing
- Nicolas Gueugnon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line type electron gun and color cathode ray tube apparatus usin...
- Patent number 7,307,378
- Issue date Dec 11, 2007
- Matsushita Toshiba Picture Display Co., Ltd.
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube having an electron gun with an improved main focus...
- Patent number 7,268,477
- Issue date Sep 11, 2007
- Thomson Licensing
- Nicolas Gueugnon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Structure of electron gun for cathode ray tube
- Patent number 7,196,461
- Issue date Mar 27, 2007
- LG. Philips Displays Korea Co., Ltd.
- Hi Won Yoon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for cathode ray tube
- Patent number 7,148,614
- Issue date Dec 12, 2006
- LG.Philips Displays Korea Co., Ltd.
- Dong-Young Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube apparatus
- Patent number 7,122,977
- Issue date Oct 17, 2006
- Kabushiki Kaisha Toshiba
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color CRT
- Patent number 7,105,996
- Issue date Sep 12, 2006
- LG Philips Displays Korea Co., Ltd.
- Moon-Sik Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube
- Patent number 7,071,606
- Issue date Jul 4, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High definition electron gun for cathode ray tube
- Patent number 7,045,976
- Issue date May 16, 2006
- Thomson Licensing
- Grégoire Gissot
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for cathode ray tube having third to fifth electrodes...
- Patent number 7,045,943
- Issue date May 16, 2006
- LG.Philips Displays Co., Ltd.
- Dae Sik Hwang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube apparatus
- Patent number 7,030,548
- Issue date Apr 18, 2006
- Kabushiki Kaisha Toshiba
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube
- Patent number 6,987,367
- Issue date Jan 17, 2006
- Kabushiki Kaisha Toshiba
- Osamu Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube apparatus
- Patent number 6,965,192
- Issue date Nov 15, 2005
- Matsushita Electric Industrial Co., Ltd.
- Masahiko Sukeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun of monochromic CRT
- Patent number 6,946,784
- Issue date Sep 20, 2005
- Chunghwa Picture Tubes, Ltd.
- Chi-Neng Mo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electron gun and color picture tube apparatus that attain a high de...
- Patent number 6,927,531
- Issue date Aug 9, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasuyuki Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for controlling electron beams from field emissio...
- Patent number 6,906,470
- Issue date Jun 14, 2005
- Trepton Research Group, Inc.
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-element field emission cathode
- Patent number 6,903,519
- Issue date Jun 7, 2005
- Trepton Research Group, Inc.
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode-ray tube apparatus
- Patent number 6,853,122
- Issue date Feb 8, 2005
- Kabushiki Kaisha Toshiba
- Noriyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device and cathode ray tube
- Patent number 6,844,665
- Issue date Jan 18, 2005
- Koninklijke Philips Electronics N.V.
- Heidrun Steinhauser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming an image on a screen of a cathode ray tube
- Patent number 6,833,679
- Issue date Dec 21, 2004
- Trepton Research Group, Inc.
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electron gun for color cathode ray tube
- Patent number 6,825,621
- Issue date Nov 30, 2004
- Samsung SDI Co., Ltd.
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double dynamic focus electron gun
- Patent number 6,819,038
- Issue date Nov 16, 2004
- Samsung Electronics Co., Ltd.
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color CRT electron gun with progressively reduced electron beam pas...
- Patent number 6,815,881
- Issue date Nov 9, 2004
- Chunghwa Picture Tubes, Ltd.
- Hsing-Yao Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube
- Patent number 6,800,991
- Issue date Oct 5, 2004
- LG. Philips Displays Korea Co., Ltd.
- Jin Yeal Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line type electron gun and color picture tube apparatus using th...
- Patent number 6,800,992
- Issue date Oct 5, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun having improved electrode support structure
- Patent number 6,798,129
- Issue date Sep 28, 2004
- Samsung SDI Co., Ltd.
- Byoung-kon Roh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color cathode ray tube
- Patent number 6,756,748
- Issue date Jun 29, 2004
- Samsung SDI Co., Ltd.
- Min-cheol Bae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube including an electron gun with specific main lens...
- Patent number 6,744,191
- Issue date Jun 1, 2004
- Kabushiki Kaisha Toshiba
- Hiroyuki Oda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CATHODE RAY TUBE INCLUDING ELECTRON GUN
- Publication number 20090167143
- Publication date Jul 2, 2009
- LG. PHILIPS DISPLAYS KOREA CO., LTD.
- Sungho Jo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON GUN, CATHODE RAY TUBE, AND PROJECTOR
- Publication number 20070188071
- Publication date Aug 16, 2007
- Wen Ning Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray electron gun with an improved beam formation structure
- Publication number 20070063631
- Publication date Mar 22, 2007
- Gregoire Gissot
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Focusing lens structure for a cathode ray tube electron gun
- Publication number 20060250068
- Publication date Nov 9, 2006
- Michel Lefort
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun having a main lens
- Publication number 20060163997
- Publication date Jul 27, 2006
- Ronald Johannes Gelten
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Display device having an electron gun with pre-focusing lens portion
- Publication number 20060125403
- Publication date Jun 15, 2006
- LG. Philips Displays
- Heidrun Steinhauser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube having an electron gun with an improved main focus...
- Publication number 20060055306
- Publication date Mar 16, 2006
- Nicolas Gueugnon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color cathode ray tube apparatus
- Publication number 20050258731
- Publication date Nov 24, 2005
- MATSUSHITA TOSHIBA PICTURE DISPLAY CO., LTD.
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Main electron lens for an electron gun
- Publication number 20050253499
- Publication date Nov 17, 2005
- Nicolas Gueugnon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
In-line type electron gun and color cathode ray tube apparatus usin...
- Publication number 20050174034
- Publication date Aug 11, 2005
- MATSUSHITA TOSHIBA PICTURE DISPLAY CO., LTD.
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Structure of electron gun for cathode ray tube
- Publication number 20050088074
- Publication date Apr 28, 2005
- Hi Won Yoon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun for cathode ray tube
- Publication number 20050073236
- Publication date Apr 7, 2005
- Dong-Young Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube apparatus
- Publication number 20050057196
- Publication date Mar 17, 2005
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having an electron gun
- Publication number 20050052110
- Publication date Mar 10, 2005
- Nicolas Gueugnon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube
- Publication number 20040251836
- Publication date Dec 16, 2004
- Osamu Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High definition electron gun for cathode ray tube
- Publication number 20040232858
- Publication date Nov 25, 2004
- Gregoire Gissot
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun and cathode ray tube device
- Publication number 20040232817
- Publication date Nov 25, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun of monochromic CRT
- Publication number 20040227448
- Publication date Nov 18, 2004
- CHUNGHWA PICTURE TUBES, LTD.
- Chi-Neng Mo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cathode-ray tube apparatus
- Publication number 20040212327
- Publication date Oct 28, 2004
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having an improved electron gun
- Publication number 20040160387
- Publication date Aug 19, 2004
- Youn Jin Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color picture tube
- Publication number 20040113534
- Publication date Jun 17, 2004
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for forming an image on a screen of a cathode ray tube
- Publication number 20040095082
- Publication date May 20, 2004
- Extreme Devices Incorporated
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electron gun for color CRT
- Publication number 20040080255
- Publication date Apr 29, 2004
- Moon-Sik Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-element field emission cathode
- Publication number 20040017143
- Publication date Jan 29, 2004
- Extreme Devices Incorporated
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for controlling electron beams from field emissio...
- Publication number 20040017166
- Publication date Jan 29, 2004
- Extreme Devices Incorporated
- Byron G. Zollars
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRON GUN FOR CRT
- Publication number 20030214260
- Publication date Nov 20, 2003
- Sung Ho. Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color picture tube device
- Publication number 20030209988
- Publication date Nov 13, 2003
- Matsushita Electric Industrial Co., Ltd.
- Masahiko Sukeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
In-line type electron gun and color picture tube apparatus using th...
- Publication number 20030210001
- Publication date Nov 13, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube apparatus
- Publication number 20030205961
- Publication date Nov 6, 2003
- Noriyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-layer common lens arrangement for main focus lens of multi-be...
- Publication number 20030189398
- Publication date Oct 9, 2003
- Hsing-Yao Chen
- H01 - BASIC ELECTRIC ELEMENTS

Two or more guns in a single vacuum space

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

X-ray tube including hybrid electron emission source

X-ray tube

Cathode ray tube having an electron gun

In-line type electron gun and color cathode ray tube apparatus usin...

Cathode-ray tube having an electron gun with an improved main focus...

Structure of electron gun for cathode ray tube

Electron gun for cathode ray tube

Cathode-ray tube apparatus

Electron gun for color CRT

Color picture tube

High definition electron gun for cathode ray tube

Electron gun for cathode ray tube having third to fifth electrodes...

Cathode-ray tube apparatus

Cathode-ray tube

Color picture tube apparatus

Electron gun of monochromic CRT

Electron gun and color picture tube apparatus that attain a high de...

Method and system for controlling electron beams from field emissio...

Multi-element field emission cathode

Cathode-ray tube apparatus

Display device and cathode ray tube

Method for forming an image on a screen of a cathode ray tube

Electron gun for color cathode ray tube

Double dynamic focus electron gun

Color CRT electron gun with progressively reduced electron beam pas...

Cathode ray tube

In-line type electron gun and color picture tube apparatus using th...

Electron gun having improved electrode support structure

Electron gun for color cathode ray tube

Cathode ray tube including an electron gun with specific main lens...

Patents Applicationslast 30 patents

CATHODE RAY TUBE INCLUDING ELECTRON GUN

ELECTRON GUN, CATHODE RAY TUBE, AND PROJECTOR

Cathode ray electron gun with an improved beam formation structure

Focusing lens structure for a cathode ray tube electron gun

Electron gun having a main lens

Display device having an electron gun with pre-focusing lens portion

Cathode-ray tube having an electron gun with an improved main focus...

Color cathode ray tube apparatus

Main electron lens for an electron gun

In-line type electron gun and color cathode ray tube apparatus usin...

Structure of electron gun for cathode ray tube

Electron gun for cathode ray tube

Cathode-ray tube apparatus

Cathode ray tube having an electron gun

Cathode-ray tube

High definition electron gun for cathode ray tube

Electron gun and cathode ray tube device

Electron gun of monochromic CRT

Cathode-ray tube apparatus

Cathode ray tube having an improved electron gun

Color picture tube

Method for forming an image on a screen of a cathode ray tube

Electron gun for color CRT

Multi-element field emission cathode

Method and system for controlling electron beams from field emissio...

ELECTRON GUN FOR CRT

Color picture tube device

In-line type electron gun and color picture tube apparatus using th...

Cathode-ray tube apparatus

Multi-layer common lens arrangement for main focus lens of multi-be...