FR679349A - Improvements in the use of electronic tubes with screens - Google Patents

Improvements in the use of electronic tubes with screens

Info

Publication number
FR679349A
FR679349A FR679349DA FR679349A FR 679349 A FR679349 A FR 679349A FR 679349D A FR679349D A FR 679349DA FR 679349 A FR679349 A FR 679349A
Authority
FR
France
Prior art keywords
screens
electronic tubes
tubes
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.)
DUCRETET SOC D Ets
Original Assignee
DUCRETET SOC D Ets
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 DUCRETET SOC D Ets filed Critical DUCRETET SOC D Ets
Application granted granted Critical
Publication of FR679349A publication Critical patent/FR679349A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/02Manually-operated control
    • H03G5/04Manually-operated control in untuned amplifiers
    • H03G5/06Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
FR679349D 1928-12-10 1928-12-10 Improvements in the use of electronic tubes with screens Expired FR679349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR679349T 1928-12-10

Publications (1)

Publication Number Publication Date
FR679349A true FR679349A (en) 1930-04-11

Family

ID=9021621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679349D Expired FR679349A (en) 1928-12-10 1928-12-10 Improvements in the use of electronic tubes with screens

Country Status (1)

Country Link
FR (1) FR679349A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951387C (en) * 1944-02-11 1956-10-31 Lorenz C Ag Circuit for generating saw-tooth-shaped deflection currents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951387C (en) * 1944-02-11 1956-10-31 Lorenz C Ag Circuit for generating saw-tooth-shaped deflection currents

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