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NL6701867A - - Google Patents

Info

Publication number
NL6701867A
NL6701867A NL6701867A NL6701867A NL6701867A NL 6701867 A NL6701867 A NL 6701867A NL 6701867 A NL6701867 A NL 6701867A NL 6701867 A NL6701867 A NL 6701867A NL 6701867 A NL6701867 A NL 6701867A
Authority
NL
Netherlands
Application number
NL6701867A
Other versions
NL154360B (nl
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.)
Filing date
Publication date
Application filed filed Critical
Priority to NL6701867A priority Critical patent/NL154360B/nl
Priority to DE19681639344 priority patent/DE1639344C3/de
Priority to GB565168A priority patent/GB1164413A/en
Priority to CH166068A priority patent/CH477756A/de
Priority to AT251970A priority patent/AT292860B/de
Priority to FR1555031D priority patent/FR1555031A/fr
Publication of NL6701867A publication Critical patent/NL6701867A/xx
Publication of NL154360B publication Critical patent/NL154360B/nl

Links

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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
NL6701867A 1967-02-08 1967-02-08 Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis. NL154360B (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL6701867A NL154360B (nl) 1967-02-08 1967-02-08 Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.
DE19681639344 DE1639344C3 (de) 1967-02-08 1968-01-20 Kathode für eine elektrische Entladungsröhre
GB565168A GB1164413A (en) 1967-02-08 1968-02-05 Cathode Assembly
CH166068A CH477756A (de) 1967-02-08 1968-02-05 Elektrische Entladungsröhre mit einer Kathode, deren Inneres ein Aktivierungsmaterial enthält
AT251970A AT292860B (de) 1967-02-08 1968-02-05 Kathode für eine elektrische Entladungsröhre, deren Inneres ein Aktivierungsmaterial enthält
FR1555031D FR1555031A (nl) 1967-02-08 1968-02-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701867A NL154360B (nl) 1967-02-08 1967-02-08 Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.

Publications (2)

Publication Number Publication Date
NL6701867A true NL6701867A (nl) 1968-08-09
NL154360B NL154360B (nl) 1977-08-15

Family

ID=19799243

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6701867A NL154360B (nl) 1967-02-08 1967-02-08 Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.

Country Status (2)

Country Link
AT (1) AT292860B (nl)
NL (1) NL154360B (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode
EP0028954A1 (fr) * 1979-11-09 1981-05-20 Thomson-Csf Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode
EP0028954A1 (fr) * 1979-11-09 1981-05-20 Thomson-Csf Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode

Also Published As

Publication number Publication date
NL154360B (nl) 1977-08-15
AT292860B (de) 1971-09-10

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PHILIPS