FR838909A - Electron multiplier - Google Patents

Electron multiplier

Info

Publication number
FR838909A
FR838909A FR838909DA FR838909A FR 838909 A FR838909 A FR 838909A FR 838909D A FR838909D A FR 838909DA FR 838909 A FR838909 A FR 838909A
Authority
FR
France
Prior art keywords
electron multiplier
multiplier
electron
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR838909A publication Critical patent/FR838909A/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
    • H01J43/26—Box dynodes
FR838909D 1937-06-05 1938-06-04 Electron multiplier Expired FR838909A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US146641A US2233878A (en) 1937-06-05 1937-06-05 Electron multiplier
US149654A US2163966A (en) 1937-06-05 1937-06-22 Box element multiplier

Publications (1)

Publication Number Publication Date
FR838909A true FR838909A (en) 1939-03-20

Family

ID=26844125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838909D Expired FR838909A (en) 1937-06-05 1938-06-04 Electron multiplier

Country Status (3)

Country Link
US (2) US2233878A (en)
FR (1) FR838909A (en)
GB (2) GB515097A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859182C (en) * 1948-09-28 1952-12-11 Philips Nv High vacuum tubes with barium oxide cathode
DE881400C (en) * 1939-08-21 1953-06-29 Bosch Gmbh Robert Switching arrangement for electron multiplier

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR853971A (en) * 1938-11-29 1940-04-02 Materiel Telephonique Electronic discharge devices
US2422244A (en) * 1942-09-19 1947-06-17 Farnsworth Television & Radio Dissector tube
DE879426C (en) * 1942-11-11 1953-06-11 Bosch Gmbh Robert Space-enclosing electrode, e.g. B. box electrode, for electron multipliers
US2418574A (en) * 1943-12-20 1947-04-08 Farnsworth Television & Radio Electron multiplier
US2431507A (en) * 1944-04-03 1947-11-25 Farnsworth Res Corp Electron multiplier
US2433724A (en) * 1944-05-29 1947-12-30 Farnsworth Res Corp Phototube multiplier
US2537150A (en) * 1949-02-25 1951-01-09 Nat Union Radio Corp Electron multiplier tube
US2591012A (en) * 1949-09-17 1952-04-01 Collins Radio Co Electron tube of the high-frequency and high-power type
US2824253A (en) * 1953-11-24 1958-02-18 Itt Electron multiplier
US2806141A (en) * 1954-06-03 1957-09-10 Bendix Aviat Corp Magnetic electron multiplier switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881400C (en) * 1939-08-21 1953-06-29 Bosch Gmbh Robert Switching arrangement for electron multiplier
DE859182C (en) * 1948-09-28 1952-12-11 Philips Nv High vacuum tubes with barium oxide cathode

Also Published As

Publication number Publication date
GB507448A (en) 1939-06-15
US2233878A (en) 1941-03-04
GB515097A (en) 1939-11-27
US2163966A (en) 1939-06-27

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