GB482026A - Electron multiplier - Google Patents

Electron multiplier

Info

Publication number
GB482026A
GB482026A GB14587/37A GB1458737A GB482026A GB 482026 A GB482026 A GB 482026A GB 14587/37 A GB14587/37 A GB 14587/37A GB 1458737 A GB1458737 A GB 1458737A GB 482026 A GB482026 A GB 482026A
Authority
GB
United Kingdom
Prior art keywords
discs
output electrode
cathode
electron multiplier
multiplier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB14587/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Farnsworth Television Inc
Original Assignee
Farnsworth Television Inc
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 Farnsworth Television Inc filed Critical Farnsworth Television Inc
Publication of GB482026A publication Critical patent/GB482026A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/20—Dynodes consisting of sheet material, e.g. plane, bent

Landscapes

  • Electron Tubes For Measurement (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Abstract

482,026. Electron multipliers. FARNSWORTH TELEVISION, Inc. May 26, 1937, No. 14587. Convention date, June 1, 1936. [Class 39 (i)] A multiplier has alternately cylindrical and plane secondary cathodes. As shown, short cylindrical members 11, 12, 14 alternate with discs 17, 19, 24 of increasing diameter the last of which is the output electrode. The current from the primary cathode 9 is controlled by a grid 10. The first secondary cathode and the output electrode may be either discs or cylinders. The secondary emitting surfaces may be thin films of thorium, or caesium, or potassium, or calcium.
GB14587/37A 1936-06-01 1937-05-26 Electron multiplier Expired GB482026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82888A US2141837A (en) 1936-06-01 1936-06-01 Multistage multipactor

Publications (1)

Publication Number Publication Date
GB482026A true GB482026A (en) 1938-03-22

Family

ID=22174086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14587/37A Expired GB482026A (en) 1936-06-01 1937-05-26 Electron multiplier

Country Status (2)

Country Link
US (1) US2141837A (en)
GB (1) GB482026A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420744A (en) * 1944-05-04 1947-05-20 Rca Corp High-frequency oscillator of the secondary electron-emission type
US11588421B1 (en) 2019-08-15 2023-02-21 Robert M. Lyden Receiver device of energy from the earth and its atmosphere

Also Published As

Publication number Publication date
US2141837A (en) 1938-12-27

Similar Documents

Publication Publication Date Title
GB485120A (en) Improvements in or relating to relaxation oscillation generators
GB441250A (en) Improvements in and relating to oxide coated cathodes for gaseous electric discharge devices
GB482026A (en) Electron multiplier
GB496556A (en) Improvements in electrodes for electron discharge devices
GB487627A (en) Improvements in thermionic multi-grid valves
GB629881A (en) Improvements in electric discharge tubes comprising secondary emission electrodes
GB534627A (en) Improvements in or relating to electron focussing systems
GB522774A (en) Improvements in or relating to methods of manufacturing secondary emitting electrodes
GB470026A (en) Improvements in or relating to electron discharge devices
GB495438A (en) Improvements in or relating to electron multipliers
GB493007A (en) Improvements in image dissector
GB481659A (en) Improvements in or relating to cathode ray tubes
GB531828A (en) Improvements in or relating to electron discharge devices for use in television and like systems and electrodes therefor
GB496564A (en) Improvements in or relating to electron multipliers
GB469899A (en) Improvements in or relating to electron discharge devices
GB498566A (en) Improvements in electron multipliers
GB493801A (en) Improvements in electron multipliers
GB518990A (en) Improvements in single stage electron multipliers
GB502472A (en) Improvements in or relating to electron multipliers
GB490265A (en) Improvements in valve amplifiers comprising a secondary emission electron multiplier
GB495674A (en) Improvements in and relating to photo-electric cells
GB517482A (en) Improvements in or relating to electron discharge devices for television and like systems
GB475807A (en) Improvements in or relating to light sensitive electron discharge devices
GB582164A (en) Improvements in thermionic valves
GB475995A (en) Improvements in or relating to picture transmitting devices for television purposes