CH366905A - Equipotential cathode for an electrical discharge tube and use of such a cathode in a discharge tube - Google Patents

Equipotential cathode for an electrical discharge tube and use of such a cathode in a discharge tube

Info

Publication number
CH366905A
CH366905A CH6455758A CH6455758A CH366905A CH 366905 A CH366905 A CH 366905A CH 6455758 A CH6455758 A CH 6455758A CH 6455758 A CH6455758 A CH 6455758A CH 366905 A CH366905 A CH 366905A
Authority
CH
Switzerland
Prior art keywords
discharge tube
cathode
equipotential
electrical discharge
electrical
Prior art date
Application number
CH6455758A
Other languages
German (de)
Inventor
Georg Gerlach Hans
Gerhardus Dorgelo Eduard
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH366905A publication Critical patent/CH366905A/en

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
    • 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
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
CH6455758A 1957-10-04 1958-10-01 Equipotential cathode for an electrical discharge tube and use of such a cathode in a discharge tube CH366905A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL221344 1957-10-04
NL225825 1958-03-13

Publications (1)

Publication Number Publication Date
CH366905A true CH366905A (en) 1963-01-31

Family

ID=26641626

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6455758A CH366905A (en) 1957-10-04 1958-10-01 Equipotential cathode for an electrical discharge tube and use of such a cathode in a discharge tube

Country Status (7)

Country Link
US (1) US2949557A (en)
BE (1) BE571711A (en)
CH (1) CH366905A (en)
DE (1) DE1063718B (en)
FR (1) FR1204038A (en)
GB (1) GB829339A (en)
NL (1) NL95320C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318716A (en) * 1962-09-11 1967-05-09 Pennsalt Chemicals Corp Foam reduction and coating
DE1169039B (en) 1959-09-03 1964-04-30 Ass Elect Ind Indirectly heated cathode with an insulated heating wire wound around a spring tensioned wire
NL272248A (en) * 1960-12-15
DE1180468B (en) * 1961-04-21 1964-10-29 Siemens Elektrogeraete Gmbh Cooking chamber of an HF radiation cooker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB582162A (en) * 1940-03-13 1946-11-07 M O Valve Co Ltd Improvements in thermionic valves adapted to operate at very high frequencies
US2526054A (en) * 1940-03-13 1950-10-17 M O Valve Co Ltd Electrode assembly for very highfrequency electron discharge devices
BE518861A (en) * 1952-04-01

Also Published As

Publication number Publication date
BE571711A (en)
FR1204038A (en) 1960-01-22
GB829339A (en) 1960-03-02
DE1063718B (en) 1959-08-20
US2949557A (en) 1960-08-16
NL95320C (en)

Similar Documents

Publication Publication Date Title
CH360110A (en) Electrical switchgear and process for their manufacture
CH319033A (en) Cathode for an electric discharge tube
CH397092A (en) Cathode for an electric discharge tube
FR1205015A (en) Cathode ray tube
CH366905A (en) Equipotential cathode for an electrical discharge tube and use of such a cathode in a discharge tube
FR1203845A (en) Advanced cathode ray tube
CH359803A (en) electron microscope
CH394403A (en) Discharge-heated sintered cathode for gas-filled discharge tubes
CH359905A (en) X-ray shadow microscope
CH404815A (en) Cathode ray tube
CH383508A (en) Indirectly heated cathode for electrical discharge tubes
FR1198640A (en) Cathode ray tube type tube
CH404812A (en) Immediately heated cathode unit for an electrical discharge tube
CH373470A (en) Electrical semiconductor device and use thereof
AT207003B (en) Equipotential cathode for an electric discharge tube
CH362759A (en) Electron tube for the optical display of an electrical quantity
FR1168583A (en) Undivided anode magnetron
CH364532A (en) Electric selector
AT206526B (en) Holding device for electric discharge tubes
CH362449A (en) Contactless electrical switchgear
CH334107A (en) Low voltage high power electrical fuse and use of the same
CH406448A (en) Grid electrode for electric discharge tubes
FR1241411A (en) Electron tube voltmeter
CH389788A (en) Electric discharge tube with hot cathode
CH359794A (en) cathode ray tube