BE340880A - - Google Patents

Info

Publication number: BE340880A
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.)

1926-04-06

Publication of BE340880A publication Critical patent/BE340880A/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
- H01J1/14—Solid thermionic cathodes characterised by the material

BE340880D 1926-04-06 BE340880A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL1777253X		1926-04-06

Publications (1)

Publication Number	Publication Date
BE340880A true BE340880A (de)

Family

ID=19873084

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE340880D BE340880A (de)	1926-04-06

Country Status (4)

Country	Link
US (1)	US1777253A (de)
BE (1)	BE340880A (de)
DE (1)	DE665414C (de)
NL (1)	NL19436C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2505909A (en) *	1948-02-26	1950-05-02	Bishop H Russell	Cathode-ray tube with oxide coated cathode
BE488975A (de) *	1948-05-14
US2848635A (en) *	1954-11-16	1958-08-19	Vacuum Electronic Engineering	Ionization gauges
US3312856A (en) *	1963-03-26	1967-04-04	Gen Electric	Rhenium supported metallic boride cathode emitters

0
- NL NL19436D patent/NL19436C/xx active
- BE BE340880D patent/BE340880A/xx unknown
1926
- 1926-10-12 DE DEN26449D patent/DE665414C/de not_active Expired
1927
- 1927-02-25 US US171051A patent/US1777253A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US1777253A (en)	1930-09-30
NL19436C (de)
DE665414C (de)	1938-09-24

Publication	Publication Date	Title
FR600266A (de)	1926-02-03
FR610008A (de)	1926-08-28
FR34614E (de)	1929-09-19
BE332825A (de)	1926-04-30
BE332738A (de)
BE332764A (de)	1926-04-30
NL19436C (de)
NL22723C (de)
BE343816A (de)
BE338726A (de)
BE333438A (de)
BE333319A (de)
BE333235A (de)	1926-05-31
BE333218A (de)
BE333187A (de)
BE333183A (de)
BE333173A (de)
BE333060A (de)
BE333025A (de)
BE333006A (de)
BE333005A (de)
BE269774A (de)
BE332898A (de)
BE332788A (de)
BE332638A (de)