BE440981A - - Google Patents

Info

Publication number: BE440981A
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.)

1940-03-09

Publication of BE440981A publication Critical patent/BE440981A/xx

Classifications

- 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
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- 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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation

BE440981D 1940-03-09 BE440981A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL223635X		1940-03-09

Publications (1)

Publication Number	Publication Date
BE440981A true BE440981A (enrdf_load_html_response)

Family

ID=19779509

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE440981D BE440981A (enrdf_load_html_response)	1940-03-09

Country Status (7)

Country	Link
US (1)	US2341764A (enrdf_load_html_response)
BE (1)	BE440981A (enrdf_load_html_response)
CH (1)	CH223635A (enrdf_load_html_response)
DE (1)	DE1077336B (enrdf_load_html_response)
FR (1)	FR874105A (enrdf_load_html_response)
GB (2)	GB549476A (enrdf_load_html_response)
NL (1)	NL58348C (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB648118A (en) *	1948-11-25	1950-12-28	Frederick Henry Townsend	Improvements in or relating to cathode ray tubes with magnetic deflection
BE502947A (enrdf_load_html_response) *	1950-05-02
US2672568A (en) *	1951-03-27	1954-03-16	Int Standard Electric Corp	Electron gun for cathode-ray tubes
DE1076827B (de) *	1952-05-24	1960-03-03	Telefunken Gmbh	Elektronenstrahlerzeugungssystem fuer Kathodenstrahlroehren
NL179719B (nl) *	1952-07-30		Air Liquide	Werkwijze en inrichting voor de bereiding van sulfomonoperzuur voor de behandeling van verontreinigd water.
US2818519A (en) *	1953-11-13	1957-12-31	Telefunken Gmbh	Cathode-ray tube
NL98369C (enrdf_load_html_response) *	1958-07-17
US4345182A (en) *	1980-06-02	1982-08-17	The Boeing Company	Electrode having spiral-shaped electrically conducting regions therein useful as an anode in electron beam discharge devices
DE19534124A1 (de) *	1995-09-14	1997-03-20	Licentia Gmbh	Kathodenstrahlröhre

0
- BE BE440981D patent/BE440981A/xx unknown
- NL NL58348D patent/NL58348C/xx active
1941
- 1941-03-24 DE DEP2161D patent/DE1077336B/de active Pending
- 1941-04-17 CH CH223635D patent/CH223635A/de unknown
- 1941-07-21 FR FR874105D patent/FR874105A/fr not_active Expired
- 1941-09-19 GB GB12155/41A patent/GB549476A/en not_active Expired
- 1941-12-02 US US421310A patent/US2341764A/en not_active Expired - Lifetime
1945
- 1945-08-21 GB GB21304/45A patent/GB597468A/en not_active Expired

Also Published As

Publication number	Publication date
NL58348C (enrdf_load_html_response)
GB597468A (en)	1948-01-27
DE1077336B (de)	1960-03-10
US2341764A (en)	1944-02-15
GB549476A (en)	1942-11-23
FR874105A (fr)	1942-07-29
CH223635A (de)	1942-09-30

Publication	Publication Date	Title
FR853335A (enrdf_load_html_response)	1940-03-15
BE440256A (enrdf_load_html_response)	1941-01-28
IT387851B (enrdf_load_html_response)
FR853496A (enrdf_load_html_response)	1940-03-20
FR852682A (enrdf_load_html_response)	1940-03-04
BE438794A (enrdf_load_html_response)	1940-07-31
BE437554A (enrdf_load_html_response)
BE437808A (enrdf_load_html_response)
NL57044C (enrdf_load_html_response)
NL58348C (enrdf_load_html_response)
BE476458A (enrdf_load_html_response)
BE441870A (enrdf_load_html_response)
BE440307A (enrdf_load_html_response)
BE440295A (enrdf_load_html_response)
BE440291A (enrdf_load_html_response)
BE440289A (enrdf_load_html_response)
BE440284A (enrdf_load_html_response)
BE440248A (enrdf_load_html_response)
BE440246A (enrdf_load_html_response)
BE440192A (enrdf_load_html_response)
BE440185A (enrdf_load_html_response)
BE440179A (enrdf_load_html_response)
BE440126A (enrdf_load_html_response)
BE440123A (enrdf_load_html_response)
BE440079A (enrdf_load_html_response)