Spiral or helix

Industry

CPC
H01J2201/2867

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2201/00Electrodes common to discharge tubes

Current Industry

H01J2201/2867Spiral or helix

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Filament assembly having reduced electron beam time constant
- Patent number 7,539,286
- Issue date May 26, 2009
- Varian Medical Systems, Inc.
- Steve Bandy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filament for X-ray tube and X-ray tube having the same
- Patent number 7,271,530
- Issue date Sep 18, 2007
- Rigaku Corporation
- Masaru Kuribayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having an improved indirectly heated cathode struc...
- Patent number 6,614,147
- Issue date Sep 2, 2003
- Hitachi, Ltd.
- Sachio Koizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having an indirectly heated cathode provided with...
- Patent number 6,335,590
- Issue date Jan 1, 2002
- Hitachi, Ltd.
- Norio Iwamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having an improved indirectly heated cathode
- Patent number 6,191,528
- Issue date Feb 20, 2001
- Hitachi, Ltd.
- Norio Iwamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High emittance electron source having high illumination uniformity
- Patent number 6,091,187
- Issue date Jul 18, 2000
- International Business Machines Corporation
- Steven D. Golladay
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode assembly of an electron gun for a color cathode ray tube
- Patent number 5,341,064
- Issue date Aug 23, 1994
- Samsung Electron Devices Co., Ltd.
- Kwang-ki Seong
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RESISTIVELY HEATED SMALL PLANAR FILAMENT
- Publication number 20100239828
- Publication date Sep 23, 2010
- Sterling W. Cornaby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT
- Publication number 20090129550
- Publication date May 21, 2009
- Varian Medical Systems Technologies, Inc.
- Steve G. Bandy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Filament for X-ray tube and X-ray tube having the same
- Publication number 20070090744
- Publication date Apr 26, 2007
- Rigaku Corporation
- Masaru Kuribayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having an improved indirectly heated cathode struc...
- Publication number 20010015613
- Publication date Aug 23, 2001
- Sachio Koizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having an improved indirectly heated cathode
- Publication number 20010001531
- Publication date May 24, 2001
- Norio Iwamura
- H01 - BASIC ELECTRIC ELEMENTS

Spiral or helix

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filament assembly having reduced electron beam time constant

Filament for X-ray tube and X-ray tube having the same

Cathode ray tube having an improved indirectly heated cathode struc...

Cathode ray tube having an indirectly heated cathode provided with...

Cathode ray tube having an improved indirectly heated cathode

High emittance electron source having high illumination uniformity

Cathode assembly of an electron gun for a color cathode ray tube

Patents Applicationslast 30 patents

RESISTIVELY HEATED SMALL PLANAR FILAMENT

FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT

Filament for X-ray tube and X-ray tube having the same

Cathode ray tube having an improved indirectly heated cathode struc...

Cathode ray tube having an improved indirectly heated cathode