NL23762C - - Google Patents

Info

Publication number: NL23762C
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.)

1928-04-13

Publication of NL23762C publication Critical patent/NL23762C/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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Fats And Perfumes (AREA)
Solid Thermionic Cathode (AREA)

NL23762D 1928-04-13 NL23762C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL309578X		1928-04-13

Publications (1)

Publication Number	Publication Date
NL23762C true NL23762C (xx)

Family

ID=19783587

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL23762D NL23762C (xx)	1928-04-13

Country Status (5)

Country	Link
US (1)	US1821359A (xx)
BE (1)	BE359097A (xx)
FR (1)	FR671657A (xx)
GB (1)	GB309578A (xx)
NL (1)	NL23762C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE482916A (xx) *	1947-06-05
US2552654A (en) *	1948-08-30	1951-05-15	Rca Corp	Heat-resistant cathode coatings
US2663816A (en) *	1949-09-28	1953-12-22	Sylvania Electric Prod	Electric discharge lamp
BE518639A (xx) *	1952-03-24
NL269971A (xx) *	1960-10-18

0
- NL NL23762D patent/NL23762C/xx active
- BE BE359097D patent/BE359097A/xx unknown
1929
- 1929-03-18 FR FR671657D patent/FR671657A/fr not_active Expired
- 1929-03-18 GB GB8714/29A patent/GB309578A/en not_active Expired
- 1929-04-04 US US352597A patent/US1821359A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR671657A (fr)	1929-12-16
US1821359A (en)	1931-09-01
BE359097A (xx)
GB309578A (en)	1930-03-06

Publication	Publication Date	Title
FR632614A (xx)	1928-01-12
FR671751A (xx)	1929-12-20
FR636424A (xx)	1928-04-10
FR636418A (xx)	1928-04-10
FR632453A (xx)	1928-01-10
FR636438A (xx)	1928-04-10
FR636541A (xx)	1928-04-11
FR636656A (xx)	1928-04-14
BE348858A (xx)
BE348725A (xx)
BE361119A (xx)
BE358678A (xx)
BE354288A (xx)
BE303782A (xx)
BE349426A (xx)
BE349412A (xx)
NL23762C (xx)
BE349374A (xx)
BE349305A (xx)
BE349288A (xx)
BE349190A (xx)	1928-03-31
BE349037A (xx)
BE348976A (xx)
BE348889A (xx)
BE364547A (xx)