NL51881C - Electron tube, provided with a secondary emission electrode - Google Patents

Electron tube, provided with a secondary emission electrode

Info

Publication number
NL51881C
NL51881C NL78256A NL78256A NL51881C NL 51881 C NL51881 C NL 51881C NL 78256 A NL78256 A NL 78256A NL 78256 A NL78256 A NL 78256A NL 51881 C NL51881 C NL 51881C
Authority
NL
Netherlands
Prior art keywords
electron tube
emission electrode
secondary emission
electrode
electron
Prior art date
Application number
NL78256A
Other languages
Dutch (nl)
Inventor
Johan Lodewijk Hendrik Jonker
Edmund Heinrich Loepp
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
Priority to NL78256A priority Critical patent/NL51881C/en
Priority to GB1715137A priority patent/GB497589A/en
Priority to SE302937A priority patent/SE102953C1/en
Priority to GB10819/38A priority patent/GB490652A/en
Priority to FR823346D priority patent/FR823346A/en
Priority to BE422206A priority patent/BE422206A/xx
Application granted granted Critical
Publication of NL51881C publication Critical patent/NL51881C/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
    • 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
NL78256A 1936-06-22 1936-06-22 Electron tube, provided with a secondary emission electrode NL51881C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL78256A NL51881C (en) 1936-06-22 1936-06-22 Electron tube, provided with a secondary emission electrode
GB1715137A GB497589A (en) 1936-06-22 1937-06-19 Improvements in or relating to electric discharge tubes
SE302937A SE102953C1 (en) 1936-06-22 1937-06-19 Electric discharge pipe
GB10819/38A GB490652A (en) 1936-06-22 1937-06-19 Improvements in or relating to electric discharge tubes
FR823346D FR823346A (en) 1936-06-22 1937-06-21 Improvements to electric discharge tubes and devices incorporating them
BE422206A BE422206A (en) 1936-06-22 1937-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL78256A NL51881C (en) 1936-06-22 1936-06-22 Electron tube, provided with a secondary emission electrode

Publications (1)

Publication Number Publication Date
NL51881C true NL51881C (en) 1942-02-16

Family

ID=19786677

Family Applications (1)

Application Number Title Priority Date Filing Date
NL78256A NL51881C (en) 1936-06-22 1936-06-22 Electron tube, provided with a secondary emission electrode

Country Status (5)

Country Link
BE (1) BE422206A (en)
FR (1) FR823346A (en)
GB (2) GB490652A (en)
NL (1) NL51881C (en)
SE (1) SE102953C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388780A1 (en) * 1977-04-25 1978-11-24 Chevron Res HYDROGENATION CATALYST AND PROCESS FOR HYDROGENATION OF CARBOXYLIC ACID ESTERS INTO ALCOHOLS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757225C (en) * 1938-08-30 1952-11-17 Lorenz C Ag Secondary electron multiplier with several impact electrodes arranged one behind the other and concentric to the primary electron source designed as a glow cathode
DE874176C (en) * 1939-03-25 1953-04-20 Sueddeutsche Telefon App Secondary electron multiplier with glow cathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388780A1 (en) * 1977-04-25 1978-11-24 Chevron Res HYDROGENATION CATALYST AND PROCESS FOR HYDROGENATION OF CARBOXYLIC ACID ESTERS INTO ALCOHOLS

Also Published As

Publication number Publication date
SE102953C1 (en) 1941-11-04
FR823346A (en) 1938-01-18
GB490652A (en) 1938-08-18
GB497589A (en) 1938-12-19
BE422206A (en) 1937-07-31

Similar Documents

Publication Publication Date Title
CH208067A (en) Electron multiplier.
CH204095A (en) Setup with cathode ray tube.
CH201749A (en) Electron multiplier.
NL51881C (en) Electron tube, provided with a secondary emission electrode
CH242721A (en) Electron tube with a secondary emission electrode.
CH217330A (en) Electric discharge tube with one or more secondary emission electrodes.
CH206302A (en) Electron multiplier tube.
CH201099A (en) Electric discharge tube with a secondary emission electrode.
CH215769A (en) Cathode for electron tubes.
FR818970A (en) Electron tube
CH260192A (en) Electron tube with a secondary emission electrode.
DK58808C (en) Electric Discharge Tube with a Secondary Emission Electrode.
FR719108A (en) Incandescent cathode improvements
DK56194C (en) Electric Discharge Tube with a Secondary Emission Electrode.
DK56347C (en) Electric Discharge Tube with a Secondary Emission Electrode.
CH201427A (en) Electron Multiplication Tube.
DK59049C (en) Electric Discharge Tube with Secondary Emission Electrode.
DK55953C (en) Double-guided electron tube.
ES143234A1 (en) A cathode ray lamp.
DK56111C (en) Electric Discharge Tube with Secondary Emission Electrode.
DK56600C (en) Electric Discharge Tube with Secondary Emission Electrode.
DK66090C (en) Electric Discharge Tube with a Secondary Emission Electrode.
FR820468A (en) Secondary electron tube
FR826429A (en) Secondary electron tube
DK62717C (en) Electron tubes with low anode secondary emission.