NO151990C - Anordning for aa motvirke katodestroemoekningen som under oppvarmingsperioden oppstaar i et vandreboelgeroer som foelge av endringen av gitter-katode avstanden - Google Patents

Anordning for aa motvirke katodestroemoekningen som under oppvarmingsperioden oppstaar i et vandreboelgeroer som foelge av endringen av gitter-katode avstanden

Info

Publication number
NO151990C
NO151990C NO811097A NO811097A NO151990C NO 151990 C NO151990 C NO 151990C NO 811097 A NO811097 A NO 811097A NO 811097 A NO811097 A NO 811097A NO 151990 C NO151990 C NO 151990C
Authority
NO
Norway
Prior art keywords
cathode
counteract
change
result
occurs during
Prior art date
Application number
NO811097A
Other languages
English (en)
Norwegian (no)
Other versions
NO811097L (no
NO151990B (no
Inventor
Rolf Willy Rasmusson
Original Assignee
Ericsson Telefon Ab L M
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 SE8002538A external-priority patent/SE420968B/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO811097L publication Critical patent/NO811097L/no
Publication of NO151990B publication Critical patent/NO151990B/no
Publication of NO151990C publication Critical patent/NO151990C/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/24—Testing of discharge tubes
    • G01R31/25—Testing of vacuum tubes
    • G01R31/255—Testing of transit-time tubes, e.g. klystrons, magnetrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/26—Circuits for controlling the intensity of the electron beam or the colour of the display
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Tubes (AREA)
  • Commercial Cooking Devices (AREA)
NO811097A 1980-04-02 1981-03-31 Anordning for aa motvirke katodestroemoekningen som under oppvarmingsperioden oppstaar i et vandreboelgeroer som foelge av endringen av gitter-katode avstanden NO151990C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8002538A SE420968B (sv) 1972-06-30 1980-04-02 Anordnig for att kompensera den skadliga okningen av katodstrommen under igangsettningsperioden av ett vandringsvagror

Publications (3)

Publication Number Publication Date
NO811097L NO811097L (no) 1981-10-05
NO151990B NO151990B (no) 1985-04-01
NO151990C true NO151990C (no) 1985-07-10

Family

ID=20340666

Family Applications (1)

Application Number Title Priority Date Filing Date
NO811097A NO151990C (no) 1980-04-02 1981-03-31 Anordning for aa motvirke katodestroemoekningen som under oppvarmingsperioden oppstaar i et vandreboelgeroer som foelge av endringen av gitter-katode avstanden

Country Status (4)

Country Link
US (1) US4471265A (de)
EP (1) EP0037385B1 (de)
DE (1) DE3163837D1 (de)
NO (1) NO151990C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311674A1 (de) * 1983-03-30 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur temperaturabhaengigen kathodenstromnachfuehrung in wanderfeldroehren
US4687970A (en) * 1985-05-31 1987-08-18 Hughes Aircraft Company Digital cathode current control loop
US5012194A (en) * 1989-09-05 1991-04-30 Raytheon Company Method testing electron discharge tubes
SE502562C2 (sv) * 1994-03-03 1995-11-13 Ericsson Telefon Ab L M Förfarande och anordning för styrning av vandringsvågrör

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26384A (en) * 1859-12-06 Washing-machine
NL282118A (de) * 1961-08-16
US3316485A (en) * 1962-10-08 1967-04-25 Varian Associates Beam current measurement by inductive techniques for high frequency electron discharge devices
US3293479A (en) 1963-09-11 1966-12-20 Ultra low noise travelling wave tube having a grid voltage
US3794878A (en) * 1972-12-11 1974-02-26 Ford Motor Co Electron beam regulator
US3890545A (en) * 1974-04-12 1975-06-17 Us Navy Traveling-wave-tube protection circuit
US4000471A (en) * 1975-10-14 1976-12-28 The United States Of America As Represented By The Secretary Of The Navy TWT grid circuit utilizing feedback
US4321505A (en) * 1978-07-24 1982-03-23 Varian Associates, Inc. Zero-bias gridded gun

Also Published As

Publication number Publication date
NO811097L (no) 1981-10-05
US4471265A (en) 1984-09-11
EP0037385A2 (de) 1981-10-07
EP0037385B1 (de) 1984-05-30
DE3163837D1 (en) 1984-07-05
EP0037385A3 (en) 1981-11-25
NO151990B (no) 1985-04-01

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Legal Events

Date Code Title Description
MK1K Patent expired

Free format text: EXPIRED IN MARCH 2001

MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN MARCH 2001