[go: up one dir, main page]

FR52451E - Improvements to reaction circuits - Google Patents

Improvements to reaction circuits

Info

Publication number
FR52451E
FR52451E FR52451DA FR52451E FR 52451 E FR52451 E FR 52451E FR 52451D A FR52451D A FR 52451DA FR 52451 E FR52451 E FR 52451E
Authority
FR
France
Prior art keywords
reaction circuits
circuits
reaction
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR52451E publication Critical patent/FR52451E/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
FR52451D 1938-07-26 1940-11-27 Improvements to reaction circuits Expired FR52451E (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US858281XA 1938-07-26 1938-07-26
US52351XA 1939-06-20 1939-06-20
US52451XA 1939-08-19 1939-08-19

Publications (1)

Publication Number Publication Date
FR52451E true FR52451E (en) 1945-04-16

Family

ID=31998825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52451D Expired FR52451E (en) 1938-07-26 1940-11-27 Improvements to reaction circuits

Country Status (1)

Country Link
FR (1) FR52451E (en)

Similar Documents

Publication Publication Date Title
FR858869A (en) Improvements to thermionic lamp circuits
FR866703A (en) Improvements to calculating machines
FR860574A (en) Improvements to static converters
FR857437A (en) Improvements to negative feedback amplifiers
FR52451E (en) Improvements to reaction circuits
FR52351E (en) Improvements to reaction circuits
FR52504E (en) Improvements to reaction circuits
FR858281A (en) Improvements to reaction circuits
FR833763A (en) Improvements to mercury switches
FR837477A (en) Degenerative reaction circuits
FR861547A (en) Improvements to grid-screen lamps
FR843659A (en) Improvements to circular looms
FR862505A (en) Improvements to static converter circuits
FR837815A (en) Improvements to mercury switches
FR49082E (en) Improvements to looms
FR49719E (en) Improvements to leakage transformers
FR850091A (en) Vélocimanes improvements
FR840932A (en) Powder-sulfur improvements
FR847316A (en) Improvements to screening devices
FR846451A (en) Improvements to vulcanizing devices
FR849138A (en) Improvements to grid-screen lamps
FR856015A (en) Improvements to handwheels
FR860364A (en) Improvements to lead presses
FR840526A (en) Improvements to drawing devices
FR860243A (en) Improvements made to lead presses