FR804874A - Cathode à émission poussée, notamment cathode à voltage élevé - Google Patents

Cathode à émission poussée, notamment cathode à voltage élevé

Info

Publication number
FR804874A
FR804874A FR804874DA FR804874A FR 804874 A FR804874 A FR 804874A FR 804874D A FR804874D A FR 804874DA FR 804874 A FR804874 A FR 804874A
Authority
FR
France
Prior art keywords
cathode
high voltage
especially high
high emission
emission 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
English (en)
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR804874A publication Critical patent/FR804874A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • 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
    • H01J1/22—Heaters

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR804874D 1935-04-10 1936-04-10 Cathode à émission poussée, notamment cathode à voltage élevé Expired FR804874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE804874X 1935-04-10

Publications (1)

Publication Number Publication Date
FR804874A true FR804874A (fr) 1936-11-04

Family

ID=6722212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804874D Expired FR804874A (fr) 1935-04-10 1936-04-10 Cathode à émission poussée, notamment cathode à voltage élevé

Country Status (2)

Country Link
BE (1) BE414856A (enrdf_load_stackoverflow)
FR (1) FR804874A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE414856A (enrdf_load_stackoverflow)

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