FR848489A - Electronic amplifier - Google Patents

Electronic amplifier

Info

Publication number
FR848489A
FR848489A FR848489DA FR848489A FR 848489 A FR848489 A FR 848489A FR 848489D A FR848489D A FR 848489DA FR 848489 A FR848489 A FR 848489A
Authority
FR
France
Prior art keywords
electronic amplifier
amplifier
electronic
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 FR848489A publication Critical patent/FR848489A/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
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/76—Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor
FR848489D 1938-01-05 1939-01-05 Electronic amplifier Expired FR848489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US183420A US2239149A (en) 1938-01-05 1938-01-05 Electronic amplifier

Publications (1)

Publication Number Publication Date
FR848489A true FR848489A (en) 1939-10-31

Family

ID=22672715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848489D Expired FR848489A (en) 1938-01-05 1939-01-05 Electronic amplifier

Country Status (4)

Country Link
US (1) US2239149A (en)
BE (1) BE431992A (en)
FR (1) FR848489A (en)
GB (1) GB525402A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433700A (en) * 1943-11-04 1947-12-30 Farnsworth Res Corp Phototube multiplier

Also Published As

Publication number Publication date
US2239149A (en) 1941-04-22
GB525402A (en) 1940-08-28
BE431992A (en) 1939-02-28

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