[go: up one dir, main page]

FR1264912A - Cathodes pour tubes à rayons cathodiques - Google Patents

Cathodes pour tubes à rayons cathodiques

Info

Publication number
FR1264912A
FR1264912A FR835536A FR835536A FR1264912A FR 1264912 A FR1264912 A FR 1264912A FR 835536 A FR835536 A FR 835536A FR 835536 A FR835536 A FR 835536A FR 1264912 A FR1264912 A FR 1264912A
Authority
FR
France
Prior art keywords
cathodes
cathode ray
ray tubes
tubes
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
FR835536A
Other languages
English (en)
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
Priority claimed from GB2010530A external-priority patent/GB353222A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR835536A priority Critical patent/FR1264912A/fr
Application granted granted Critical
Publication of FR1264912A publication Critical patent/FR1264912A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR835536A 1930-07-02 1960-08-10 Cathodes pour tubes à rayons cathodiques Expired FR1264912A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR835536A FR1264912A (fr) 1930-07-02 1960-08-10 Cathodes pour tubes à rayons cathodiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2010530A GB353222A (en) 1930-07-02 1930-07-02 Improved manufacture of spring blades or leaves for laminated springs
FR835536A FR1264912A (fr) 1930-07-02 1960-08-10 Cathodes pour tubes à rayons cathodiques

Publications (1)

Publication Number Publication Date
FR1264912A true FR1264912A (fr) 1961-06-23

Family

ID=26187102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835536A Expired FR1264912A (fr) 1930-07-02 1960-08-10 Cathodes pour tubes à rayons cathodiques

Country Status (1)

Country Link
FR (1) FR1264912A (fr)

Similar Documents

Publication Publication Date Title
FR762225A (fr) Tube à rayons cathodiques
FR773711A (fr) Tube à rayons cathodiques, particulièrement pour la télévision
FR758616A (fr) Tube à rayons cathodiques
FR774394A (fr) Tube à rayons cathodiques
FR837105A (fr) Bobinage déviateur pour tubes à rayons cathodiques
FR754518A (fr) Perfectionnements aux tubes à rayons cathodiques
FR753487A (fr) Tube à rayons cathodiques
FR724314A (fr) Tube à rayons x
FR813927A (fr) Perfectionnements aux dispositifs déviateurs pour tubes à rayons cathodiques
FR44618E (fr) Tube à rayons cathodiques
FR45657E (fr) Tube à rayons cathodiques
FR673624A (fr) Perfectionnements apportés aux tubes à rayons cathodiques
FR45110E (fr) Tube à rayons cathodiques
FR47475E (fr) Tube à rayons cathodiques
FR758479A (fr) Tube à rayons cathodiques, plus spécialement pour la télévision
FR787469A (fr) Perfectionnements aux tubes à rayons cathodiques
FR780110A (fr) Tube à rayons cathodiques
FR1264912A (fr) Cathodes pour tubes à rayons cathodiques
FR762605A (fr) Tube à rayons cathodiques
FR756917A (fr) Tube à rayons cathodiques
FR827593A (fr) Déviation magnétique pour tubes à rayons cathodiques
FR779741A (fr) Tube à rayons cathodiques, spécialement destiné à la télévision
FR739278A (fr) Perfectionnements aux tubes à rayons cathodiques
FR831049A (fr) Tubes à rayons cathodiques
FR787744A (fr) Perfectionnements aux tubes à rayons cathodiques