BE488975A - - Google Patents

Info

Publication number: BE488975A
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.)

1948-05-14

Publication of BE488975A publication Critical patent/BE488975A/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
- H01J1/15—Cathodes heated directly by an electric current

BE488975D 1948-05-14 BE488975A (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US27122A US2629065A (en)	1948-05-14	1948-05-14	Overwound filament

Publications (1)

Publication Number	Publication Date
BE488975A true BE488975A (ja)

Family

ID=21835821

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE488975D BE488975A (ja)	1948-05-14

Country Status (4)

Country	Link
US (1)	US2629065A (ja)
BE (1)	BE488975A (ja)
DE (1)	DE818536C (ja)
GB (1)	GB669912A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE972442C (de) *	1952-05-27	1959-07-23	Siemens Ag	Halterung fuer eine Kathode fuer elektrische Entladungsgefaesse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1190412A (en) *	1914-02-19	1916-07-11	Radio Telephone & Telegraph Company	Electrode for devices for varying electrical resistance.
NL19436C (ja) *	1926-04-06
US1946603A (en) *	1929-05-09	1934-02-13	Electrons Inc	Cathode for electrical discharge devices
US2015417A (en) *	1930-12-13	1935-09-24	Rca Corp	Cathode
US2175345A (en) *	1935-07-12	1939-10-10	Gen Electric	Electric gaseous discharge device
GB486138A (en) *	1937-01-19	1938-05-31	Gen Electric Co Ltd	Improvements in electrodes for high-pressure metal vapour electric discharge devices
US2155237A (en) *	1937-11-18	1939-04-18	Gen Electric	Electric discharge device
NL65805C (ja) *	1938-06-24
BE440246A (ja) *	1940-01-20
US2329118A (en) *	1941-07-12	1943-09-07	Gen Electric	Electrode for electrical discharge devices
US2363028A (en) *	1941-12-16	1944-11-21	Carl J Warnke	Cathode filament
US2371205A (en) *	1943-10-30	1945-03-13		Coiled

0
- BE BE488975D patent/BE488975A/xx unknown
1948
- 1948-05-14 US US27122A patent/US2629065A/en not_active Expired - Lifetime
1949
- 1949-04-20 GB GB10478/49A patent/GB669912A/en not_active Expired
1950
- 1950-04-14 DE DEW1639A patent/DE818536C/de not_active Expired

Also Published As

Publication number	Publication date
GB669912A (en)	1952-04-09
DE818536C (de)	1951-10-25
US2629065A (en)	1953-02-17

Publication	Publication Date	Title
DE1722052U (ja)
FR963440A (ja)	1950-07-10
FR960204A (ja)	1950-04-14
FR954947A (ja)	1950-01-06
SE137149C1 (ja)	1952-09-02
BE482016A (ja)
BE478011A (ja)
NL77207C (ja)
BE267826A (ja)
BE504038A (ja)
BE483348A (ja)
BE483030A (ja)
BE482939A (ja)
BE482897A (ja)
BE482754A (ja)	1948-06-15
BE482739A (ja)
BE482724A (ja)
BE482555A (ja)
BE482453A (ja)	1948-05-13
BE482415A (ja)
BE482360A (ja)	1948-05-31
BE482263A (ja)	1948-05-15
BE481503A (ja)
BE482108A (ja)	1950-03-03
BE481831A (ja)