NL42560C - - Google Patents

Info

Publication number: NL42560C
Authority: NL; Netherlands

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.)

1935-03-06

Publication of NL42560C publication Critical patent/NL42560C/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

NL42560D 1935-03-06 NL42560C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7041/35A GB453154A (en)	1935-03-06	1935-03-06	Improvements in or relating to indirectly heated cathodes for thermionic valves

Publications (1)

Publication Number	Publication Date
NL42560C true NL42560C (xx)

Family

ID=9825498

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL42560D NL42560C (xx)	1935-03-06

Country Status (6)

Country	Link
US (1)	US2164913A (xx)
BE (1)	BE411406A (xx)
DE (1)	DE755099C (xx)
FR (1)	FR798600A (xx)
GB (1)	GB453154A (xx)
NL (1)	NL42560C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2487695A (en) *	1946-11-29	1949-11-08	North American Geophysical Com	Electric heating element
US2742585A (en) *	1952-08-22	1956-04-17	Gen Electric	Electrical vapor detector
NL87447C (xx) *	1952-10-11
GB749312A (en) *	1953-05-02	1956-05-23	Emi Ltd	Improvements in or relating to indirectly heated cathodes for electron discharge devices
NL84939C (xx) *	1954-01-01
US2899664A (en) *	1956-02-27	1959-08-11		Electric heating units and methods of making the same
US2935709A (en) *	1958-03-18	1960-05-03	Ii William A Paine	Apparatus and method for strain rod assembly and filament core
US3265924A (en) *	1962-06-29	1966-08-09	York Res Corp	Thermionic tube having novel heater and cathode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH157162A (de) *	1930-07-03	1932-09-15	Gustav Ganz & Co	Indirekt geheizte Glühkathode für Entladungsröhren.
NL36127C (xx) *	1932-02-16
US2158665A (en) *	1932-06-30	1939-05-16	Hygrade Sylvania Corp	Electron discharge device

0
- BE BE411406D patent/BE411406A/xx unknown
- NL NL42560D patent/NL42560C/xx active
1935
- 1935-03-06 GB GB7041/35A patent/GB453154A/en not_active Expired
- 1935-10-19 US US45701A patent/US2164913A/en not_active Expired - Lifetime
- 1935-10-31 FR FR798600D patent/FR798600A/fr not_active Expired
1936
- 1936-02-08 DE DEI54281D patent/DE755099C/de not_active Expired

Also Published As

Publication number	Publication date
FR798600A (fr)	1936-05-20
DE755099C (de)	1953-10-26
BE411406A (xx)
GB453154A (en)	1936-09-07
US2164913A (en)	1939-07-04

Publication	Publication Date	Title
BE402725A (xx)
BE408589A (xx)	1936-04-30
BE411406A (xx)
BE405881A (xx)
BE407131A (xx)
BE407302A (xx)	1935-02-28
BE407388A (xx)
BE407411A (xx)
BE407478A (xx)
BE407487A (xx)
BE407491A (xx)	1936-11-30
BE407519A (xx)	1935-02-28
BE407622A (xx)	1936-02-28
BE407630A (xx)
BE408712A (xx)	1935-04-30
BE407653A (xx)
BE407703A (xx)
BE407774A (xx)
BE407804A (xx)	1935-03-30
BE407883A (xx)	1935-03-30
BE408024A (xx)
BE408083A (xx)
BE408090A (xx)	1935-03-30
BE408096A (xx)
BE408282A (xx)