CH202961A - Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons. - Google Patents

Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons.

Info

Publication number
CH202961A
CH202961A CH202961DA CH202961A CH 202961 A CH202961 A CH 202961A CH 202961D A CH202961D A CH 202961DA CH 202961 A CH202961 A CH 202961A
Authority
CH
Switzerland
Prior art keywords
cathode
bombarded
electrons
emits
anode
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
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 CH202961A publication Critical patent/CH202961A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
    • H01J43/025—Circuits therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
    • H03K6/02—Amplifying pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Hybrid Cells (AREA)
  • Amplifiers (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
CH202961D 1937-04-21 1938-04-19 Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons. CH202961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN0406030 1937-04-21

Publications (1)

Publication Number Publication Date
CH202961A true CH202961A (en) 1939-02-15

Family

ID=39031128

Family Applications (3)

Application Number Title Priority Date Filing Date
CH202961D CH202961A (en) 1937-04-21 1938-04-19 Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons.
CH213195D CH213195A (en) 1937-04-21 1939-05-20 Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons.
CH217989D CH217989A (en) 1937-04-21 1941-04-30 Circuit with two discharge tubes, each of which has a cathode that emits when heated, at least one control grid, an anode and an auxiliary cathode that emits when bombarded by electrons.

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH213195D CH213195A (en) 1937-04-21 1939-05-20 Circuit with a discharge tube which has a cathode emitting when heated, at least one control grid, an anode and an auxiliary cathode which emits when bombarded by electrons.
CH217989D CH217989A (en) 1937-04-21 1941-04-30 Circuit with two discharge tubes, each of which has a cathode that emits when heated, at least one control grid, an anode and an auxiliary cathode that emits when bombarded by electrons.

Country Status (6)

Country Link
BE (2) BE440482A (en)
CH (3) CH202961A (en)
DE (2) DE1090719B (en)
FR (3) FR836876A (en)
GB (2) GB491063A (en)
NL (3) NL54207C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE449722A (en) * 1942-03-13

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE683751C (en) * 1937-02-20 1939-11-14 Fernseh Akt Ges Method for generating deflection voltages or currents with the aid of a secondary electron amplifier

Also Published As

Publication number Publication date
CH217989A (en) 1941-11-15
DE744616C (en) 1944-01-21
NL58553C (en) 1944-06-15
BE434445A (en)
FR836876A (en) 1939-01-27
CH213195A (en) 1941-01-15
GB520423A (en) 1940-04-23
NL59004C (en) 1946-04-15
GB491063A (en) 1938-08-25
FR50614E (en) 1941-01-27
FR51636E (en) 1943-03-18
NL54207C (en) 1942-11-18
DE1090719B (en) 1960-10-13
BE440482A (en) 1941-03-31

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