GB493217A - Electron multipliers - Google Patents

Electron multipliers

Info

Publication number
GB493217A
GB493217A GB14180/37A GB1418037A GB493217A GB 493217 A GB493217 A GB 493217A GB 14180/37 A GB14180/37 A GB 14180/37A GB 1418037 A GB1418037 A GB 1418037A GB 493217 A GB493217 A GB 493217A
Authority
GB
United Kingdom
Prior art keywords
apertures
push
employed
series
structures
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
GB14180/37A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB493217A publication Critical patent/GB493217A/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes

Landscapes

  • Electron Tubes For Measurement (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Measurement Of Radiation (AREA)
  • Amplifiers (AREA)
GB14180/37A 1936-07-31 1937-05-21 Electron multipliers Expired GB493217A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93546A US2200063A (en) 1936-07-31 1936-07-31 Space discharge apparatus and circuits
US93536A US2205071A (en) 1936-07-31 1936-07-31 Space discharge apparatus and circuits therefor

Publications (1)

Publication Number Publication Date
GB493217A true GB493217A (en) 1938-10-05

Family

ID=26787644

Family Applications (2)

Application Number Title Priority Date Filing Date
GB14180/37A Expired GB493217A (en) 1936-07-31 1937-05-21 Electron multipliers
GB6854/38A Expired GB495843A (en) 1936-07-31 1937-05-21 Electron multipliers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB6854/38A Expired GB495843A (en) 1936-07-31 1937-05-21 Electron multipliers

Country Status (4)

Country Link
US (2) US2200063A (en:Method)
FR (1) FR823940A (en:Method)
GB (2) GB493217A (en:Method)
NL (1) NL51729C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890234C (de) * 1939-03-29 1953-09-17 Bosch Gmbh Robert Elektronenvervielfacher

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758171C (de) * 1939-04-23 1954-04-22 Otto Dr Peter Sekundaerelektronenvervielfacher, bei dem die Prallelektroden an verschiedenen Stellen verschieden stark sekundaeremissionsfaehig sind
US2417805A (en) * 1941-04-30 1947-03-25 Int Standard Electric Corp Electric oscillation generator and amplifier
US2530373A (en) * 1943-05-04 1950-11-21 Bell Telephone Labor Inc Ultra high frequency electronic device
US2424289A (en) * 1943-07-30 1947-07-22 Rca Corp Calculating device
US2458539A (en) * 1943-08-19 1949-01-11 William H Woodin Jr Secondary electron emission tube
US2445568A (en) * 1943-10-07 1948-07-20 Farnsworth Res Corp Modulating system
US2432681A (en) * 1943-12-02 1947-12-16 Farnsworth Res Corp Electron multiplier voltage supply
US2418574A (en) * 1943-12-20 1947-04-08 Farnsworth Television & Radio Electron multiplier
BE463651A (en:Method) * 1945-03-07
US2537769A (en) * 1946-04-02 1951-01-09 Rca Corp Frequency control
US2472779A (en) * 1947-02-17 1949-06-07 Farnsworth Res Corp Cathode-ray tube amplifier
US2781969A (en) * 1951-01-27 1957-02-19 Somerville Alexander Calculating apparatus
CA523198A (en) * 1951-02-15 1956-03-27 Electric And Musical Industries Limited Cathode ray tubes
US2836760A (en) * 1955-03-08 1958-05-27 Egyesuelt Izzolampa Electron multiplier
NL97630C (en:Method) * 1955-06-10
BE565695A (en:Method) * 1957-03-13
US3023342A (en) * 1958-07-18 1962-02-27 Gen Atronics Corp Beam modulating devices and method
US3839674A (en) * 1970-07-04 1974-10-01 Philips Corp Device for measuring very small electric currents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890234C (de) * 1939-03-29 1953-09-17 Bosch Gmbh Robert Elektronenvervielfacher

Also Published As

Publication number Publication date
US2200063A (en) 1940-05-07
NL51729C (en:Method) 1942-01-15
GB495843A (en) 1938-11-21
US2205071A (en) 1940-06-18
FR823940A (fr) 1938-01-28

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