BE528454A - - Google Patents

Info

Publication number: BE528454A
Authority: BE; Belgium

Application number

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.)

1953-04-29

Publication of BE528454A publication Critical patent/BE528454A/xx

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
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing

BE528454D 1953-04-29 BE528454A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US351984A US2841739A (en)	1953-04-29	1953-04-29	Electron beam systems

Publications (1)

Publication Number	Publication Date
BE528454A true BE528454A (en)

Family

ID=23383280

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE528454D BE528454A (en)	1953-04-29

Country Status (7)

Country	Link
US (2)	US2841739A (en)
BE (1)	BE528454A (en)
CH (1)	CH342662A (en)
DE (2)	DE1127498B (en)
FR (1)	FR1099234A (en)
GB (1)	GB757369A (en)
NL (1)	NL95352C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2925508A (en) *	1955-07-28	1960-02-16	Sperry Rand Corp	Electron beam focusing structure
NL99653C (en) *	1956-03-01
US2945153A (en) *	1956-08-31	1960-07-12	Rca Corp	Electron beam tube
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
NL100798C (en) *	1958-03-12
US2939995A (en) *	1958-05-19	1960-06-07	Bell Telephone Labor Inc	Traveling wave tube
DE1276217B (en) *	1958-06-25	1968-08-29	Siemens Ag	Electron beam tubes with speed modulation, especially running field tubes
NL277862A (en) *	1961-05-02
US3265925A (en) *	1962-07-03	1966-08-09	Bell Telephone Labor Inc	Field perturbing means for preventing beam scalloping in reversed field focusing system
FR2363185A1 (en) *	1976-08-27	1978-03-24	Thomson Csf	COUPLING DEVICE FOR HYPERFREQUENCY TUBE AND HYPERFREQUENCY TUBE INCLUDING SUCH A DEVICE
GB2152742B (en) *	1980-04-28	1986-02-19	Emi Varian Ltd	Microwave amplifiers and oscillators
GB2152741B (en) *	1980-04-28	1986-02-12	Emi Varian Ltd	Producing an electron beam
US5332948A (en) *	1992-05-13	1994-07-26	Litton Systems, Inc.	X-z geometry periodic permanent magnet focusing system
JP5835822B1 (en)	2014-06-30	2015-12-24	Ｎｅｃネットワーク・センサ株式会社	High frequency circuit system
US11961693B2 (en) *	2020-11-15	2024-04-16	Elve Inc.	Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB504802A (en) *	1937-11-01	1939-05-01	Frederick Hermes Nicoll	Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields
GB539422A (en) *	1940-02-06	1941-09-10	Standard Telephones Cables Ltd	Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type
NL62817C (en) *	1940-05-04
USRE22389E (en) *	1940-07-13	1943-11-02		Electron beam concentrating
BE485548A (en) *	1947-10-31
US2741718A (en) *	1953-03-10	1956-04-10	Sperry Rand Corp	High frequency apparatus

0
- NL NL95352D patent/NL95352C/xx active
- DE DENDAT1071237D patent/DE1071237B/de active Pending
- US US25189D patent/USRE25189E/en not_active Expired
- BE BE528454D patent/BE528454A/xx unknown
1953
- 1953-04-29 US US351984A patent/US2841739A/en not_active Expired - Lifetime
1954
- 1954-03-23 FR FR1099234D patent/FR1099234A/en not_active Expired
- 1954-03-29 DE DEW25876A patent/DE1127498B/en active Pending
- 1954-04-28 GB GB12311/54A patent/GB757369A/en not_active Expired
- 1954-04-29 CH CH342662D patent/CH342662A/en unknown

Also Published As

Publication number	Publication date
FR1099234A (en)	1955-08-31
USRE25189E (en)	1962-06-19
NL95352C (en)
US2841739A (en)	1958-07-01
CH342662A (en)	1959-11-30
DE1127498B (en)	1962-04-12
DE1071237B (en)
GB757369A (en)	1956-09-19

Publication	Publication Date	Title
AT193854B (en)	1957-12-10
AT191364A (en)	1957-08-26
BE517130A (en)	1953-02-14
AT193331B (en)	1957-11-25
AT191026B (en)	1957-07-25
AT191140B (en)	1957-08-10
AT192380B (en)	1957-10-10
AT191238B (en)	1957-08-10
AT199365B (en)	1958-08-25
AT213751B (en)	1961-02-27
AT194074B (en)	1957-12-27
AT194372B (en)	1958-01-10
AT194824B (en)	1958-01-25
AT195162B (en)	1958-01-25
AT195400B (en)	1958-01-25
AT196785B (en)	1958-03-25
AT197771B (en)	1958-05-27
AT199317B (en)	1958-08-25
AT205166B (en)	1959-09-10
BE425967A (en)
BE516806A (en)	1954-11-12
BE10545A (en)
BE324631A (en)
BE326981A (en)
BE540532A (en)	1955-08-31