with at least one axial-field reversal along the interaction space

Industry

CPC
H01J23/0873

This industry / category may be too specific. Please go to a parent level for more data

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

H01J23/0873with at least one axial-field reversal along the interaction space

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Periodic permanent magnet focused klystron
- Patent number 9,013,104
- Issue date Apr 21, 2015
- Calabazas Creek Research, Inc.
- Patrick Ferguson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave frequency structure for microwave tube with beam-containi...
- Patent number 8,427,057
- Issue date Apr 23, 2013
- Thales
- Alain Durand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-axisymmetric periodic permanent magnet focusing system
- Patent number 7,663,327
- Issue date Feb 16, 2010
- Massachusetts Institute of Technology
- Ronak J. Bhatt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optimally designed traveling wave tube for operation backed off fro...
- Patent number 5,932,971
- Issue date Aug 3, 1999
- Dan M. Goebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Advanced center post electron gun
- Patent number 5,461,282
- Issue date Oct 24, 1995
- Litton Systems, Inc.
- Glenn P. Scheitrum
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cooled reentrant TWT ladder circuit having axially raised cooling bars
- Patent number 5,363,016
- Issue date Nov 8, 1994
- Varian Associates, Inc.
- Bertram G. James
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Interlocking periodic permanent magnet assembly for electron tubes...
- Patent number 5,334,910
- Issue date Aug 2, 1994
- ITT Corporation
- Kenneth S. Karsten
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-z geometry periodic permanent magnet focusing system
- Patent number 5,332,948
- Issue date Jul 26, 1994
- Litton Systems, Inc.
- Richard B. True
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic cladding for use in periodic permanent magnet stacks
- Patent number 5,107,238
- Issue date Apr 21, 1992
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling-wave tube with confined-flow periodic permanent magnet fo...
- Patent number 4,942,336
- Issue date Jul 17, 1990
- Kurt Amboss
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Periodic permanent magnet structures
- Patent number 4,887,058
- Issue date Dec 12, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconducting shielded PYX PPM stacks
- Patent number 4,862,126
- Issue date Aug 29, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconducting shielded PYX PPM stacks
- Patent number 4,859,973
- Issue date Aug 22, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Periodic permanent magnet structures
- Patent number 4,859,976
- Issue date Aug 22, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Periodic permanent magnet structures
- Patent number 4,835,137
- Issue date May 30, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Periodic permanent magnet structures
- Patent number 4,831,351
- Issue date May 16, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optimal periodic permanent magnet structure for electron beam focus...
- Patent number 4,829,276
- Issue date May 9, 1989
- The United States of America as represented by the Secretary of the Army
- Herbert A. Leupold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling wave tube comprising periodic permanent magnetic focusing...
- Patent number 4,820,955
- Issue date Apr 11, 1989
- Siemens Aktiengesellschaft
- Gerit Boehme
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Micropole undulator
- Patent number 4,800,353
- Issue date Jan 24, 1989
- The State of Oregon Acting by and through the State Board of Higher Education...
- Paul L. Csonka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coupled cavity travelling wave tubes
- Patent number 4,746,833
- Issue date May 24, 1988
- English Electric Valve Company Limited
- Robin C. M. King
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic circuit for periodic-permanent-magnet focused TWTS
- Patent number 4,668,893
- Issue date May 26, 1987
- Hughes Aircraft Company
- Kurt Amboss
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling-wave tube with a periodic permanent-magnet focusing system
- Patent number 4,560,904
- Issue date Dec 24, 1985
- Siemens Aktiengesellschaft
- Roland Wolfram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a tubular part for generating a spatially...
- Patent number 4,542,581
- Issue date Sep 24, 1985
- Siemens Aktiengesellschaft
- Roland Wolfram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling-wave tube with periodic permanent-magnet focussing system
- Patent number 4,539,512
- Issue date Sep 3, 1985
- Siemens Aktiengesellschaft
- Hinrich Heynisch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reversible periodic magnetic focusing system
- Patent number 4,433,270
- Issue date Feb 21, 1984
- Sergei S. Drozdov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Travelling wave tube with periodic-permanent magnet focusing system
- Patent number 4,404,494
- Issue date Sep 13, 1983
- Siemens Aktiengesellschaft
- Hinrich Heynisch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Focusing device with permanent magnets for electron tube and electr...
- Patent number 4,337,413
- Issue date Jun 29, 1982
- Thomson-CSF
- Jean Pontvianne
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam-semiconductor diode hybrid device for phase control
- Patent number 4,263,531
- Issue date Apr 21, 1981
- Max N. Yoder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Periodic permanent magnet focused TWT
- Patent number 4,137,482
- Issue date Jan 30, 1979
- Varian Associates, Inc.
- George Caryotakis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coupled cavity type traveling wave tube having improved pole piece...
- Patent number 4,103,207
- Issue date Jul 25, 1978
- Litton Systems, Inc.
- Edwin George Chaffee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MICROWAVE STRUCTURE FOR MICROWAVE TUBE BEAM CONFINEMENT DEVICE WI...
- Publication number 20100327743
- Publication date Dec 30, 2010
- THALES
- Alain Durand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-axisymmetric periodic permanent magnet focusing system
- Publication number 20060290452
- Publication date Dec 28, 2006
- Ronak J. Bhatt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

with at least one axial-field reversal along the interaction space

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Periodic permanent magnet focused klystron

Microwave frequency structure for microwave tube with beam-containi...

Non-axisymmetric periodic permanent magnet focusing system

Optimally designed traveling wave tube for operation backed off fro...

Advanced center post electron gun

Cooled reentrant TWT ladder circuit having axially raised cooling bars

Interlocking periodic permanent magnet assembly for electron tubes...

X-z geometry periodic permanent magnet focusing system

Magnetic cladding for use in periodic permanent magnet stacks

Traveling-wave tube with confined-flow periodic permanent magnet fo...

Periodic permanent magnet structures

Superconducting shielded PYX PPM stacks

Superconducting shielded PYX PPM stacks

Periodic permanent magnet structures

Periodic permanent magnet structures

Periodic permanent magnet structures

Optimal periodic permanent magnet structure for electron beam focus...

Traveling wave tube comprising periodic permanent magnetic focusing...

Micropole undulator

Coupled cavity travelling wave tubes

Magnetic circuit for periodic-permanent-magnet focused TWTS

Traveling-wave tube with a periodic permanent-magnet focusing system

Method for manufacturing a tubular part for generating a spatially...

Traveling-wave tube with periodic permanent-magnet focussing system

Reversible periodic magnetic focusing system

Travelling wave tube with periodic-permanent magnet focusing system

Focusing device with permanent magnets for electron tube and electr...

Electron beam-semiconductor diode hybrid device for phase control

Periodic permanent magnet focused TWT

Coupled cavity type traveling wave tube having improved pole piece...

Patents Applicationslast 30 patents

MICROWAVE STRUCTURE FOR MICROWAVE TUBE BEAM CONFINEMENT DEVICE WI...

Non-axisymmetric periodic permanent magnet focusing system