CH434491A - Electron tube and method of activating this tube - Google Patents

Electron tube and method of activating this tube

Info

Publication number
CH434491A
CH434491A CH762864A CH762864A CH434491A CH 434491 A CH434491 A CH 434491A CH 762864 A CH762864 A CH 762864A CH 762864 A CH762864 A CH 762864A CH 434491 A CH434491 A CH 434491A
Authority
CH
Switzerland
Prior art keywords
tube
activating
electron
electron tube
Prior art date
Application number
CH762864A
Other languages
French (fr)
Inventor
Warner Jr Kendall Jackson
Original Assignee
Varian Associates
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 Varian Associates filed Critical Varian Associates
Publication of CH434491A publication Critical patent/CH434491A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/74—Cooling arrangements
    • 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
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/544—Protection of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
CH762864A 1963-06-12 1964-06-11 Electron tube and method of activating this tube CH434491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US287264A US3249791A (en) 1963-06-12 1963-06-12 Electron tube and combination for sensing and regulating the cathode temperature thereof
US287263A US3299317A (en) 1963-06-12 1963-06-12 Electron tube having a quick heating cathode with means to apply a variable voltage to the quick heating cathode

Publications (1)

Publication Number Publication Date
CH434491A true CH434491A (en) 1967-04-30

Family

ID=26964367

Family Applications (1)

Application Number Title Priority Date Filing Date
CH762864A CH434491A (en) 1963-06-12 1964-06-11 Electron tube and method of activating this tube

Country Status (6)

Country Link
US (2) US3299317A (en)
CH (1) CH434491A (en)
DE (1) DE1281585B (en)
FR (1) FR1398465A (en)
GB (1) GB1055695A (en)
NL (1) NL6406606A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200277A1 (en) * 1985-05-02 1986-11-05 Koninklijke Philips Electronics N.V. Electron tube

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1614566B1 (en) * 1967-07-17 1970-11-05 Siemens Ag Indirectly heated supply cathode, especially MK cathode
US4295077A (en) * 1980-02-14 1981-10-13 Rca Corporation Circumferentially apertured cylindrical grid for electron tube
FR2502840A1 (en) * 1981-03-24 1982-10-01 Alexandrov Vladimir Single piece cylindrical cathode heater for electron tubes - has uniform temp. distribution over surface and is in form of mesh of intersecting heater wires
US4781640A (en) * 1985-01-24 1988-11-01 Varian Associates, Inc. Basket electrode shaping
US5015908A (en) * 1989-01-23 1991-05-14 Varian Associates, Inc. Fast warm-up cathode for high power vacuum tubes
GB2614081B (en) * 2021-12-21 2024-03-13 Siderise Special Products Ltd Cladding or wall cap system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994076A (en) * 1931-03-02 1935-03-12 Telefunken Gmbh Temperature control
US1963844A (en) * 1932-01-22 1934-06-19 Kemet Lab Co Inc Thermionic device
US2290819A (en) * 1940-08-09 1942-07-21 Warshawsky Isador Electron discharge device and circuit
DE858584C (en) * 1942-02-22 1952-12-08 Siemens Ag Device for tempering the glow cathodes of transmitter tubes
US2459997A (en) * 1947-05-24 1949-01-25 Electrons Inc Partially indirectly heated cathode structure for gas tubes
US2586291A (en) * 1948-12-11 1952-02-19 Stewart Warner Corp Electronic temperature control
US2687488A (en) * 1952-10-23 1954-08-24 Rca Corp Gas tube construction
DE968789C (en) * 1954-10-24 1958-03-27 Siemens Reiniger Werke Ag Diagnostic X-ray machine
NL88786C (en) * 1955-04-02
US2875377A (en) * 1956-10-16 1959-02-24 Raytheon Mfg Co Electron discharge devices
DE1146985B (en) * 1960-11-04 1963-04-11 Siemens Ag Semi-indirectly heated cathode for electron tubes
US3172002A (en) * 1960-11-21 1965-03-02 Rca Corp Cathode mount and method of fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200277A1 (en) * 1985-05-02 1986-11-05 Koninklijke Philips Electronics N.V. Electron tube

Also Published As

Publication number Publication date
NL6406606A (en) 1964-12-14
FR1398465A (en) 1965-05-07
US3249791A (en) 1966-05-03
GB1055695A (en) 1967-01-18
US3299317A (en) 1967-01-17
DE1281585B (en) 1968-10-31

Similar Documents

Publication Publication Date Title
FR1504195A (en) Improved securing device and method of its manufacture
FR1390030A (en) Method and means of fixing
CH424011A (en) High voltage vacuum tube and method of activating this tube
SU435616A3 (en) METHOD OF SAFELY HARDENING
CH434491A (en) Electron tube and method of activating this tube
FR1460156A (en) Improved electrode and method of manufacturing this electrode
FR1444248A (en) tubular nut and method of manufacture
CH382309A (en) Nuclear reactor and method of activating this reactor
FR1345040A (en) Metal tank and its method of construction
FR1530781A (en) Construction process for buildings and buildings constructed by this process
FR1479732A (en) Construction process and its implementation
FR1412984A (en) Concrete panel and method of using this panel
CH422734A (en) Compact body and method of forming this body
FR1409116A (en) High resistivity gallium arsenide and method of making this body
FR1518264A (en) Method of leveling metal strips
FR1351343A (en) Model and method of construction of this model
FR1391037A (en) Improved method of making anode structures of magnetrons and magnetrons resulting therefrom
FR1426072A (en) Amino steroids and method of preparation
FR1456976A (en) delta4-3-keto-steroids and method of manufacture
FR1538016A (en) New dressing and its method of application
FR1507236A (en) Dehydro-cyclization catalyst and process using this catalyst
FR1543744A (en) Process for the manufacture of metatitanates and metazirconates of alkaline earth metals
FR1335636A (en) Method and type of prefabricated construction
FR1445355A (en) scale and its construction method
FR1468197A (en) Thermoluminescent dosimeter and method of manufacturing this dosimeter