BE442068A - - Google Patents

Info

Publication number: BE442068A
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.)

1940-07-03

Publication of BE442068A publication Critical patent/BE442068A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming

BE442068D 1940-07-03 BE442068A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL219503X		1940-07-03

Publications (1)

Publication Number	Publication Date
BE442068A true BE442068A (enrdf_load_html_response)

Family

ID=19779267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE442068D BE442068A (enrdf_load_html_response)	1940-07-03

Country Status (8)

Country	Link
US (1)	US2347990A (enrdf_load_html_response)
BE (1)	BE442068A (enrdf_load_html_response)
CH (1)	CH219503A (enrdf_load_html_response)
DE (1)	DE862039C (enrdf_load_html_response)
FR (1)	FR874922A (enrdf_load_html_response)
GB (2)	GB554828A (enrdf_load_html_response)
NL (1)	NL60887C (enrdf_load_html_response)
SE (1)	SE106343C1 (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL254372A (enrdf_load_html_response) *	1930-07-02
BE508323A (enrdf_load_html_response) *	1951-01-11
US2619607A (en) *	1951-03-10	1952-11-25	Glaser Steers Corp	Internal focusing device
US2748307A (en) *	1952-03-06	1956-05-29	Gen Electric	Magnetically forcused electron discharge device
DE961735C (de) *	1953-03-19	1957-04-11	Fernseh Gmbh	Verfahren zur Zentrierung des Elektronenstrahls, insbesondere fuer Fernsehbildroehren, mit einem die Strahlachse ringfoermig umgebenden Permanentmagneten und Anordnung zur Durchfuehrung des Verfahrens
DE1059565B (de) *	1955-01-15	1959-06-18	Sebel S A	Elektronische Lampe fuer Beleuchtungszwecke
NL214772A (enrdf_load_html_response) *	1956-02-24
NL278366A (enrdf_load_html_response) *	1961-05-27
NL282676A (enrdf_load_html_response) *	1961-08-31
US3217200A (en) *	1962-01-23	1965-11-09	Gen Electric	Internal magnetic lens for electron beams
GB1594465A (en)	1977-03-23	1981-07-30	Nat Res Dev	Electron beam apparatus
DE2856244A1 (de) *	1978-12-27	1980-07-03	Kernforschungsanlage Juelich	Elektronenstosspektrometer
FR2641899A1 (fr) *	1989-01-17	1990-07-20	Thomson Tubes Electroniques	Canon a electrons muni d'un dispositif actif produisant un champ magnetique au voisinage de la cathode

0
- BE BE442068D patent/BE442068A/xx unknown
- NL NL60887D patent/NL60887C/xx active
1941
- 1941-07-01 DE DEN2330D patent/DE862039C/de not_active Expired
- 1941-07-02 CH CH219503D patent/CH219503A/de unknown
- 1941-07-03 SE SE413541A patent/SE106343C1/xx unknown
- 1941-08-28 FR FR874922D patent/FR874922A/fr not_active Expired
- 1941-11-17 GB GB14786/41A patent/GB554828A/en not_active Expired
1942
- 1942-02-12 US US430602A patent/US2347990A/en not_active Expired - Lifetime
1945
- 1945-11-06 GB GB29544/45A patent/GB603939A/en not_active Expired

Also Published As

Publication number	Publication date
FR874922A (fr)	1942-08-31
DE862039C (de)	1953-01-08
SE106343C1 (enrdf_load_html_response)	1943-01-19
GB554828A (en)	1943-07-21
GB603939A (en)	1948-06-25
US2347990A (en)	1944-05-02
NL60887C (enrdf_load_html_response)
CH219503A (de)	1942-02-15

Publication	Publication Date	Title
FR53072E (enrdf_load_html_response)	1945-09-07
FR853884A (enrdf_load_html_response)	1940-03-30
BE440256A (enrdf_load_html_response)	1941-01-28
FR852008A (enrdf_load_html_response)	1940-01-22
BE438794A (enrdf_load_html_response)	1940-07-31
BE440246A (enrdf_load_html_response)
BE440289A (enrdf_load_html_response)
SE106343C1 (enrdf_load_html_response)	1943-01-19
NL102493C (enrdf_load_html_response)
BE436800A (enrdf_load_html_response)
NL59170C (enrdf_load_html_response)
NL60877C (enrdf_load_html_response)
NL60962C (enrdf_load_html_response)
BE432598A (enrdf_load_html_response)
BE512116A (enrdf_load_html_response)
BE448813A (enrdf_load_html_response)
BE442147A (enrdf_load_html_response)	1941-08-30
BE440307A (enrdf_load_html_response)
BE440123A (enrdf_load_html_response)
BE440291A (enrdf_load_html_response)
BE440126A (enrdf_load_html_response)
BE440284A (enrdf_load_html_response)
NL64374C (enrdf_load_html_response)
BE440248A (enrdf_load_html_response)
BE439958A (enrdf_load_html_response)	1941-01-31