NL97485C - - Google Patents

Info

Publication number: NL97485C
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.)

1957-10-23

Publication of NL97485C publication Critical patent/NL97485C/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
- H01J1/24—Insulating layer or body located between heater and emissive material

NL97485D 1957-10-23 NL97485C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL221853		1957-10-23

Publications (1)

Publication Number	Publication Date
NL97485C true NL97485C (enrdf_load_stackoverflow)

Family

ID=19751014

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL97485D NL97485C (enrdf_load_stackoverflow)	1957-10-23

Country Status (6)

Country	Link
BE (1)	BE572249A (enrdf_load_stackoverflow)
CH (1)	CH366906A (enrdf_load_stackoverflow)
DE (1)	DE1093486B (enrdf_load_stackoverflow)
FR (1)	FR1204244A (enrdf_load_stackoverflow)
GB (1)	GB842822A (enrdf_load_stackoverflow)
NL (1)	NL97485C (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE514709A (enrdf_load_stackoverflow) *	1951-10-13
FR1066786A (fr) *	1951-11-26	1954-06-09	Philips Nv	Tube électronique à chauffage indirect
NL87447C (enrdf_load_stackoverflow) *	1952-10-11
GB787458A (en) *	1953-12-10	1957-12-11	Edison Swan Electric Co Ltd	Improvements relating to indirectly heated cathodes for thermionic valves

0
- NL NL97485D patent/NL97485C/xx active
- BE BE572249D patent/BE572249A/xx unknown
1958
- 1958-10-18 DE DEN15739A patent/DE1093486B/de active Pending
- 1958-10-20 CH CH6525758A patent/CH366906A/de unknown
- 1958-10-21 FR FR1204244D patent/FR1204244A/fr not_active Expired
- 1958-10-21 GB GB3360358A patent/GB842822A/en not_active Expired

Also Published As

Publication number	Publication date
CH366906A (de)	1963-01-31
FR1204244A (fr)	1960-01-25
BE572249A (enrdf_load_stackoverflow)
GB842822A (en)	1960-07-27
DE1093486B (de)	1960-11-24

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