CH327480A - Electronic discharge device - Google Patents

Electronic discharge device

Info

Publication number: CH327480A
Authority: CH; Switzerland
Prior art keywords: discharge device; electronic discharge; electronic; discharge
Prior art date: 1951-12-29

Application number

Other languages

French (fr)

Inventor

Peter Cioffi Paul

Original Assignee

Western Electric Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1951-12-29

Filing date

1952-12-06

Publication date

1958-01-31

1952-12-06 Application filed by Western Electric Co filed Critical Western Electric Co

1958-01-31 Publication of CH327480A publication Critical patent/CH327480A/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00

CH327480D 1951-12-29 1952-12-06 Electronic discharge device CH327480A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US264096A US2807743A (en)	1951-12-29	1951-12-29	Traveling wave tube apparatus including magnetic structures

Publications (1)

Publication Number	Publication Date
CH327480A true CH327480A (en)	1958-01-31

Family

ID=23004557

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH327480D CH327480A (en)	1951-12-29	1952-12-06	Electronic discharge device

Country Status (7)

Country	Link
US (1)	US2807743A (en)
BE (1)	BE516533A (en)
CH (1)	CH327480A (en)
DE (1)	DE933579C (en)
FR (1)	FR1060368A (en)
GB (1)	GB726823A (en)
NL (2)	NL173106B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2867745A (en) *	1953-10-07	1959-01-06	Bell Telephone Labor Inc	Periodic magnetic focusing system
DE1098625B (en) *	1953-11-13	1961-02-02	Siemens Ag	Magnetic bundling system for bundled guidance of one (several) electron flow (s) by means of a homogeneous magnetic field along a larger distance, especially for traveling wave tubes
NL200487A (en) *	1954-09-21
NL200488A (en) *	1954-09-22
FR1114606A (en) *	1954-11-18	1956-04-16	Csf	Improvements to permanent magnets
US2925508A (en) *	1955-07-28	1960-02-16	Sperry Rand Corp	Electron beam focusing structure
US2890372A (en) *	1956-02-23	1959-06-09	Raytheon Mfg Co	Traveling wave amplifiers
US2991391A (en) *	1957-07-24	1961-07-04	Varian Associates	Electron beam discharge apparatus
US2966609A (en) *	1957-11-22	1960-12-27	Gen Electric	Magnetic structures for high frequency energy interchange apparatus
US3221267A (en) *	1957-11-29	1965-11-30	Raytheon Co	Method for increasing efficiency of backward wave oscillator tubes
US3071709A (en) *	1960-02-10	1963-01-01	Raytheon Co	Traveling wave electrical discharge device
US2999959A (en) *	1960-04-04	1961-09-12	Bell Telephone Labor Inc	Traveling wave tube
US3283200A (en) *	1963-12-12	1966-11-01	Varian Associates	High frequency electron discharge device having improved permanent magnetic focusing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE711458C (en) *	1934-07-06	1941-10-01	Telefunken Gmbh	Arrangement for utilizing the stray force flux of a magnet which generates an essentially constant magnetic field and between whose poles a magnetic field tube is arranged
US2159534A (en) *	1935-07-23	1939-05-23	Firm Fernseh Ag	Cathode ray focusing coil
DE734825C (en) *	1937-12-10	1943-04-27	Siemens Reiniger Werke Ag	Magnetic field tubes with a permanent magnet to generate the magnetic field that influences the electron flow
GB515308A (en) *	1938-05-25	1939-12-01	Miller Harold	Improvements in or relating to magnetic electron lenses
NL62817C (en) *	1940-05-04
US2431077A (en) *	1943-08-31	1947-11-18	Rca Corp	Cathode-ray tube with revolving magnets and adjustable sleeve
US2455676A (en) *	1946-05-21	1948-12-07	Rca Corp	Electron lens correction device
US2687490A (en) *	1949-09-22	1954-08-24	Sperry Corp	High-frequency beam tube device
US2567674A (en) *	1949-11-08	1951-09-11	Rca Corp	Velocity modulated electron discharge device
NL89376C (en) *	1950-06-17
US2619611A (en) *	1951-05-29	1952-11-25	Eitel Mccullough Inc	Electron tube apparatus

0
- NL NL93297D patent/NL93297C/xx active
- NL NLAANVRAGE7117502,A patent/NL173106B/en unknown
- BE BE516533D patent/BE516533A/xx unknown
1951
- 1951-12-29 US US264096A patent/US2807743A/en not_active Expired - Lifetime
1952
- 1952-07-18 FR FR1060368D patent/FR1060368A/en not_active Expired
- 1952-08-23 DE DEW9300A patent/DE933579C/en not_active Expired
- 1952-12-06 CH CH327480D patent/CH327480A/en unknown
- 1952-12-17 GB GB31982/52A patent/GB726823A/en not_active Expired

Also Published As

Publication number	Publication date
BE516533A (en)
FR1060368A (en)	1954-04-01
GB726823A (en)	1955-03-23
NL173106B (en)
DE933579C (en)	1955-09-29
NL93297C (en)
US2807743A (en)	1957-09-24

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