producing a solid cylindrical beam

Industry

CPC
H01J23/065

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

Current Industry

H01J23/065producing a solid cylindrical beam

Industries

Patents Grantslast 30 patents

Information Patent Grant
Electron gun, electron tube and high-frequency circuit system
- Patent number 10,276,339
- Issue date Apr 30, 2019
- NEC NETWORK AND SENSOR SYSTEMS, LTD.
- Yukihira Nakazato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling wave tube and high-frequency circuit system
- Patent number 10,068,738
- Issue date Sep 4, 2018
- NEC Network and Sensor Systems, Ltd.
- Takatsugu Munehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjustable perveance electron gun header
- Patent number 8,716,925
- Issue date May 6, 2014
- L-3 Communications Corporation
- Richard Brownell True
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grid for vacuum electron device and method for manufacture of same
- Patent number 8,278,812
- Issue date Oct 2, 2012
- Communications and Power Industries, Inc.
- Edward Lawrence Eisen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CT scanner
- Patent number 7,440,547
- Issue date Oct 21, 2008
- Kabushiki Kaisha Toshiba
- Fumio Ishiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electron gun for a multiple beam klystron using magnetic focusing w...
- Patent number 6,847,168
- Issue date Jan 25, 2005
- Calabazas Creek Research, Inc.
- R. Lawrence Ives
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for multiple beam klystron using magnetic focusing
- Patent number 6,768,265
- Issue date Jul 27, 2004
- Calabazas Creek Research, Inc.
- R. Lawrence Ives
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Temperature compensated gun
- Patent number 6,664,720
- Issue date Dec 16, 2003
- L-3 Communications Corporation
- Holger Schult
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube with axial beam and pyrolitic graphite grid
- Patent number 6,635,978
- Issue date Oct 21, 2003
- Thomson Tubes Electroniques
- Guy Clerc
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun arrangements having closely spaced cathode and electro...
- Patent number 6,614,158
- Issue date Sep 2, 2003
- EEV Limited
- Alfred Christopher Thwaites
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cold cathode electron gun
- Patent number 6,495,953
- Issue date Dec 17, 2002
- NEC Corporation
- Hironori Imura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave electron gun
- Patent number 6,344,709
- Issue date Feb 5, 2002
- NEC Corporation
- Tatsuya Uchikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cold cathode electron gun for microwave tube
- Patent number 6,114,808
- Issue date Sep 5, 2000
- NEC Corporation
- Masaaki Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun with photocathode and folded coolant path
- Patent number 6,094,010
- Issue date Jul 25, 2000
- Sumitomo Heavy Industries, Ltd.
- Masakazu Washio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Linear beam microwave tube with planar cold cathode electrode as el...
- Patent number 5,796,212
- Issue date Aug 18, 1998
- NEC Corporation
- Satoshi Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency vacuum tube with closely spaced cathode and non-emis...
- Patent number 5,767,625
- Issue date Jun 16, 1998
- Communications and Power Industries, Inc.
- Merrald B. Shrader
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-and-magnetic field-assisted, high-power microwave source and...
- Patent number 5,694,005
- Issue date Dec 2, 1997
- Hughes Aircraft Company
- Dan M. Goebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cold cathode density-modulated type electron gun and microwave tube...
- Patent number 5,680,011
- Issue date Oct 21, 1997
- NEC Corportion
- Hideo Makishima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-assisted tube with helical slow-wave structure
- Patent number 5,668,442
- Issue date Sep 16, 1997
- Hughes Electronics
- Dan M. Goebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermally stable electron gun arrangement with electrically non-con...
- Patent number 5,629,582
- Issue date May 13, 1997
- EEV Limited
- Richard J. Dobbs
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency multiplier including grid having plural segments
- Patent number 5,589,736
- Issue date Dec 31, 1996
- Communications and Power Industries, Inc.
- Erling L. Lien
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency vacuum tube with closely spaced cathode and non-emis...
- Patent number 5,572,092
- Issue date Nov 5, 1996
- Communications and Power Industries, Inc.
- Merrald B. Shrader
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun with reduced heating of the grid
- Patent number 5,399,935
- Issue date Mar 21, 1995
- Thomson Tubes Electroniques
- Noel Santonja
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pierce gun with grading electrode
- Patent number 5,332,945
- Issue date Jul 26, 1994
- Litton Systems, Inc.
- Richard B. True
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube including grid-cathode assembly with resonant slow-wave...
- Patent number 5,317,233
- Issue date May 31, 1994
- Varian Associates, Inc.
- Erling Lien
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power microwave generator
- Patent number 5,142,250
- Issue date Aug 25, 1992
- The United States of America as represented by the Secretary of the Navy
- Han S. Uhm
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electron gun provided with a device producing a magnetic field in t...
- Patent number 5,109,179
- Issue date Apr 28, 1992
- Thomson Tubes Electroniques
- Georges Faillon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a cathader with integral shadow grid
- Patent number 4,994,709
- Issue date Feb 19, 1991
- Varian Associates, Inc.
- Michael C. Green
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for electronic tubes
- Patent number 4,798,993
- Issue date Jan 17, 1989
- Thomson-CSF
- Robert Duret
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun assembly useful with traveling wave tubes
- Patent number 4,748,369
- Issue date May 31, 1988
- Star Microwave
- Robert M. Phillips
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TRAVELING WAVE TUBE AND HIGH-FREQUENCY CIRCUIT SYSTEM
- Publication number 20170140892
- Publication date May 18, 2017
- NEC Network and Sensor Systems, Ltd.
- Takatsugu MUNEHIRO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADJUSTABLE PERVEANCE ELECTRON GUN HEADER
- Publication number 20130038200
- Publication date Feb 14, 2013
- Richard Brownell TRUE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Grid for vacuum electron device and method for manufacture of same
- Publication number 20100090601
- Publication date Apr 15, 2010
- Communications & Power Industries, Inc.
- Edward Lawrence Eisen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CT scanner
- Publication number 20060233297
- Publication date Oct 19, 2006
- Fumio Ishiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Electron gun
- Publication number 20060091776
- Publication date May 4, 2006
- NEC Microwave Tube, Ltd.
- Takatsugu Munehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Temperature compensated gun
- Publication number 20020153818
- Publication date Oct 24, 2002
- Litton Systems, Inc.
- Holger Schult
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GRIDS
- Publication number 20020021076
- Publication date Feb 21, 2002
- DAVID WARD CARR
- H01 - BASIC ELECTRIC ELEMENTS

producing a solid cylindrical beam

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron gun, electron tube and high-frequency circuit system

Traveling wave tube and high-frequency circuit system

Adjustable perveance electron gun header

Grid for vacuum electron device and method for manufacture of same

CT scanner

Electron gun for a multiple beam klystron using magnetic focusing w...

Electron gun for multiple beam klystron using magnetic focusing

Temperature compensated gun

Electron tube with axial beam and pyrolitic graphite grid

Electron gun arrangements having closely spaced cathode and electro...

Cold cathode electron gun

Microwave electron gun

Cold cathode electron gun for microwave tube

Electron gun with photocathode and folded coolant path

Linear beam microwave tube with planar cold cathode electrode as el...

High frequency vacuum tube with closely spaced cathode and non-emis...

Plasma-and-magnetic field-assisted, high-power microwave source and...

Cold cathode density-modulated type electron gun and microwave tube...

Plasma-assisted tube with helical slow-wave structure

Thermally stable electron gun arrangement with electrically non-con...

Frequency multiplier including grid having plural segments

High frequency vacuum tube with closely spaced cathode and non-emis...

Electron gun with reduced heating of the grid

Pierce gun with grading electrode

Vacuum tube including grid-cathode assembly with resonant slow-wave...

High power microwave generator

Electron gun provided with a device producing a magnetic field in t...

Method for making a cathader with integral shadow grid

Electron gun for electronic tubes

Electron gun assembly useful with traveling wave tubes

Patents Applicationslast 30 patents

TRAVELING WAVE TUBE AND HIGH-FREQUENCY CIRCUIT SYSTEM

ADJUSTABLE PERVEANCE ELECTRON GUN HEADER

Grid for vacuum electron device and method for manufacture of same

CT scanner

Electron gun

Temperature compensated gun

GRIDS