BE387951A - - Google Patents

Info

Publication number: BE387951A
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.)

1931-05-01

Publication of BE387951A publication Critical patent/BE387951A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters

BE387951D 1931-05-01 BE387951A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE384136X		1931-05-01

Publications (1)

Publication Number	Publication Date
BE387951A true BE387951A (enrdf_load_html_response)

Family

ID=6368729

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE387951D BE387951A (enrdf_load_html_response)	1931-05-01

Country Status (4)

Country	Link
US (1)	US1946076A (enrdf_load_html_response)
BE (1)	BE387951A (enrdf_load_html_response)
FR (1)	FR735516A (enrdf_load_html_response)
GB (1)	GB384136A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE739182C (de) *	1935-01-12	1943-09-14	Philips Patentverwaltung	Verfahren zur Herstellung einer indirekt beheizten Kathode fuer elektrische Entladungsroehren
DE904570C (de) *	1940-10-30	1954-02-18	Henry Kershaw	Verfahren zur Herstellung einer mantelfoermigen Kathode fuer Elektronenroehren

0
- BE BE387951D patent/BE387951A/xx unknown
1932
- 1932-02-17 GB GB4751/32A patent/GB384136A/en not_active Expired
- 1932-04-18 FR FR735516D patent/FR735516A/fr not_active Expired
- 1932-05-14 US US611272A patent/US1946076A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US1946076A (en)	1934-02-06
FR735516A (fr)	1932-11-10
GB384136A (en)	1932-12-01

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