Pre-focusing

Industry

CPC
H01J2229/4813

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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

H01J2229/4813Pre-focusing

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Electron-beam spot optimization
- Patent number 10,529,529
- Issue date Jan 7, 2020
- Moxtek, Inc.
- Dustin Peterson
- 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
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
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
Flat cathode-ray tube, electron gun for flat cathode-ray tube and p...
- Patent number 6,710,533
- Issue date Mar 23, 2004
- Sony Corporation
- Jun Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with UPF type electron gun having particular elect...
- Patent number 6,583,547
- Issue date Jun 24, 2003
- Hitachi, Ltd.
- Toshio Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube apparatus
- Patent number 6,570,349
- Issue date May 27, 2003
- Kabushiki Kaisha Toshiba
- Junichi Kimiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube including an electron gun in a coated tube neck
- Patent number 6,559,586
- Issue date May 6, 2003
- Sarnoff Corporation
- Roger Casanova Alig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode unit with inverted dynamic focus voltage applied thereto...
- Patent number 6,448,703
- Issue date Sep 10, 2002
- Samsung SDI Co., Ltd.
- Hyoung-Wook Jang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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
- Publication number 20040251836
- Publication date Dec 16, 2004
- Osamu Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube apparatus
- Publication number 20040212327
- Publication date Oct 28, 2004
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Flat cathode-ray tube, electron gun for flat cathode-ray tube and p...
- Publication number 20030020390
- Publication date Jan 30, 2003
- Jun Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Display device and cathode ray tube
- Publication number 20020113539
- Publication date Aug 22, 2002
- Heidrun Steinhauser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube apparatus
- Publication number 20020089295
- Publication date Jul 11, 2002
- Junichi Kimiya
- H01 - BASIC ELECTRIC ELEMENTS

Pre-focusing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron-beam spot optimization

Cathode-ray tube apparatus

Cathode-ray tube

Display device and cathode ray tube

Flat cathode-ray tube, electron gun for flat cathode-ray tube and p...

Cathode ray tube with UPF type electron gun having particular elect...

Cathode-ray tube apparatus

Color picture tube including an electron gun in a coated tube neck

Electrode unit with inverted dynamic focus voltage applied thereto...

Patents Applicationslast 30 patents

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

Cathode-ray tube

Cathode-ray tube apparatus

Flat cathode-ray tube, electron gun for flat cathode-ray tube and p...

Display device and cathode ray tube

Cathode-ray tube apparatus