FR1569373A - - Google Patents

Info

Publication number: FR1569373A
Authority: FR; France
Legal status (The legal status 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 status listed.): Expired

Application number

Other languages

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.)

1967-06-21

Filing date

1968-06-19

Publication date

1969-05-30

1968-06-19 Application filed filed Critical

1969-05-30 Application granted granted Critical

1969-05-30 Publication of FR1569373A publication Critical patent/FR1569373A/fr

Status Expired legal-status Critical Current

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

FR1569373D 1967-06-21 1968-06-19 Expired FR1569373A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES0110437		1967-06-21

Publications (1)

Publication Number	Publication Date
FR1569373A true FR1569373A (en)	1969-05-30

Family

ID=7530233

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1569373D Expired FR1569373A (en)	1967-06-21	1968-06-19

Country Status (3)

Country	Link
DE (1)	DE1614541A1 (en)
FR (1)	FR1569373A (en)
GB (1)	GB1170880A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH582951A5 (en) *	1973-07-09	1976-12-15	Bbc Brown Boveri & Cie
DE4114487A1 (en) *	1991-05-03	1992-11-05	Wilhelm Dr Ing Ziegenbein	High-output hot cathode for electronic appts. - has tantalum@ support to which tungsten-thorium pieces are applied
DE4305558A1 (en) *	1993-02-24	1994-08-25	Asea Brown Boveri	Process for the manufacture of wires which are especially suitable for cathodes of electron tubes

1967
- 1967-06-21 DE DE19671614541 patent/DE1614541A1/en active Pending
1968
- 1968-06-19 FR FR1569373D patent/FR1569373A/fr not_active Expired
- 1968-06-20 GB GB2933568A patent/GB1170880A/en not_active Expired

Also Published As

Publication number	Publication date
DE1614541A1 (en)	1970-08-20
GB1170880A (en)	1969-11-19

Publication	Publication Date	Title
AU425114B2 (en)	1972-06-14
AT298283B (en)	1972-03-15
FR1569373A (en)	1969-05-30
AU416737B2 (en)	1971-09-03
AU2277767A (en)	1968-12-12
AU342066A (en)	1968-09-19
AU610966A (en)	1968-11-28
AU3189468A (en)	1969-07-10
AU1273466A (en)	1969-04-24
AU2977667A (en)	1969-05-22
AU3151267A (en)	1968-01-08
AU2528767A (en)	1970-01-08
AU2454867A (en)	1969-01-16
BE710285A (en)	1968-08-02
BE692332A (en)	1967-06-16
AU459699A (en)	1975-04-10
BE692493A (en)	1967-06-16
AU97666A (en)	1968-08-01
BE162295A (en)
BE426053A (en)
BE477645A (en)
BE692198A (en)	1967-06-16
BE483855A (en)
BE509738A (en)
BE514578A (en)

Legal Events

Date	Code	Title	Description
1976-08-13	ST	Notification of lapse