FR881253A - Perfectionnements aux circuits contenant des lampes thermioniques - Google Patents

Perfectionnements aux circuits contenant des lampes thermioniques

Info

Publication number
FR881253A
FR881253A FR881253DA FR881253A FR 881253 A FR881253 A FR 881253A FR 881253D A FR881253D A FR 881253DA FR 881253 A FR881253 A FR 881253A
Authority
FR
France
Prior art keywords
lamps
circuits containing
thermionic
containing thermionic
circuits
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
English (en)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR881253A publication Critical patent/FR881253A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/36—Dc amplifiers in which all stages are dc-coupled with tubes only
FR881253D 1939-05-10 1940-05-10 Perfectionnements aux circuits contenant des lampes thermioniques Expired FR881253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB881253X 1939-05-10

Publications (1)

Publication Number Publication Date
FR881253A true FR881253A (fr) 1943-04-20

Family

ID=10637604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881253D Expired FR881253A (fr) 1939-05-10 1940-05-10 Perfectionnements aux circuits contenant des lampes thermioniques

Country Status (2)

Country Link
DE (1) DE846413C (de)
FR (1) FR881253A (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR804804A (de) * 1935-04-03 1936-11-03
GB472256A (en) * 1936-03-18 1937-09-20 Standard Telephones Cables Ltd Improvements in and relating to thermionic amplifiers

Also Published As

Publication number Publication date
DE846413C (de) 1952-08-11

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