FR1173165A - Reserve type cathode and discharge tube provided with such a cathode - Google Patents

Reserve type cathode and discharge tube provided with such a cathode

Info

Publication number
FR1173165A
FR1173165A FR1173165DA FR1173165A FR 1173165 A FR1173165 A FR 1173165A FR 1173165D A FR1173165D A FR 1173165DA FR 1173165 A FR1173165 A FR 1173165A
Authority
FR
France
Prior art keywords
cathode
discharge tube
tube provided
reserve type
type cathode
Prior art date
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
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1173165A publication Critical patent/FR1173165A/en
Expired legal-status Critical Current

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
FR1173165D 1955-08-12 1956-08-13 Reserve type cathode and discharge tube provided with such a cathode Expired FR1173165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US344138XA 1955-08-12 1955-08-12

Publications (1)

Publication Number Publication Date
FR1173165A true FR1173165A (en) 1959-02-20

Family

ID=21876246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1173165D Expired FR1173165A (en) 1955-08-12 1956-08-13 Reserve type cathode and discharge tube provided with such a cathode

Country Status (3)

Country Link
BE (1) BE550280A (en)
CH (1) CH344138A (en)
FR (1) FR1173165A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275692B (en) * 1963-10-14 1968-08-22 Litton Industries Inc Process for the production of a supply cathode for electron tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275692B (en) * 1963-10-14 1968-08-22 Litton Industries Inc Process for the production of a supply cathode for electron tubes

Also Published As

Publication number Publication date
CH344138A (en) 1960-01-31
BE550280A (en)

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