FR1071683A - Cathode with reserve of emitting material and discharge tube equipped with such a cathode - Google Patents

Cathode with reserve of emitting material and discharge tube equipped with such a cathode

Info

Publication number
FR1071683A
FR1071683A FR1071683DA FR1071683A FR 1071683 A FR1071683 A FR 1071683A FR 1071683D A FR1071683D A FR 1071683DA FR 1071683 A FR1071683 A FR 1071683A
Authority
FR
France
Prior art keywords
cathode
reserve
discharge tube
emitting material
tube equipped
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 FR1071683A publication Critical patent/FR1071683A/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
FR1071683D 1951-07-17 1952-07-15 Cathode with reserve of emitting material and discharge tube equipped with such a cathode Expired FR1071683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL309313X 1951-07-17

Publications (1)

Publication Number Publication Date
FR1071683A true FR1071683A (en) 1954-09-03

Family

ID=19783575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071683D Expired FR1071683A (en) 1951-07-17 1952-07-15 Cathode with reserve of emitting material and discharge tube equipped with such a cathode

Country Status (5)

Country Link
US (1) US2737607A (en)
BE (1) BE512852A (en)
CH (1) CH309313A (en)
FR (1) FR1071683A (en)
GB (1) GB699287A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928013A (en) * 1954-12-23 1960-03-08 Siemens Ag Electrical discharge device
BE561832A (en) * 1956-10-24
US3079515A (en) * 1960-08-22 1963-02-26 Gen Electric Energy conversion device and methods of making
US3258636A (en) * 1961-09-01 1966-06-28 Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal
GB1167157A (en) * 1966-01-08 1969-10-15 Matsushita Electronics Corp Electric Discharge Tube.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720654A (en) * 1925-05-13 1929-07-09 Radio Patents Corp Photo-electric cell
US1936334A (en) * 1929-01-31 1933-11-21 Gen Scientific Corp Electrode
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
NL69486C (en) * 1947-11-26
US2647216A (en) * 1950-04-01 1953-07-28 Rca Corp Dispenser cathode

Also Published As

Publication number Publication date
BE512852A (en)
CH309313A (en) 1955-08-31
GB699287A (en) 1953-11-04
US2737607A (en) 1956-03-06

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