FR757986A - Improvements to electronic tubes and their circuits - Google Patents

Improvements to electronic tubes and their circuits

Info

Publication number
FR757986A
FR757986A FR757986DA FR757986A FR 757986 A FR757986 A FR 757986A FR 757986D A FR757986D A FR 757986DA FR 757986 A FR757986 A FR 757986A
Authority
FR
France
Prior art keywords
circuits
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.)
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 FR757986A publication Critical patent/FR757986A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/12—Tubes with variable amplification factor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0032—Tubes with variable amplification factor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR757986D 1932-07-04 1933-07-04 Improvements to electronic tubes and their circuits Expired FR757986A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB757986X 1932-07-04
FR44532T 1933-10-27

Publications (1)

Publication Number Publication Date
FR757986A true FR757986A (en) 1934-01-05

Family

ID=8680356

Family Applications (2)

Application Number Title Priority Date Filing Date
FR757986D Expired FR757986A (en) 1932-07-04 1933-07-04 Improvements to electronic tubes and their circuits
FR44532D Expired FR44532E (en) 1932-07-04 1933-10-27 Improvements to electronic tubes and their circuits

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR44532D Expired FR44532E (en) 1932-07-04 1933-10-27 Improvements to electronic tubes and their circuits

Country Status (2)

Country Link
FR (2) FR757986A (en)
GB (1) GB423995A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881058C (en) * 1938-05-19 1953-06-25 Western Electric Co Arrangement for reducing the distortion in character transmission systems
US9190314B2 (en) 2010-09-10 2015-11-17 Soitec Process for treating a substrate using a luminous flux of determined wavelength, and corresponding substrate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881058C (en) * 1938-05-19 1953-06-25 Western Electric Co Arrangement for reducing the distortion in character transmission systems
US9190314B2 (en) 2010-09-10 2015-11-17 Soitec Process for treating a substrate using a luminous flux of determined wavelength, and corresponding substrate
US9564496B2 (en) 2010-09-10 2017-02-07 Soitec Process for treating a substrate using a luminous flux of determined wavelength, and corresponding substrate

Also Published As

Publication number Publication date
FR44532E (en) 1935-02-19
GB423995A (en) 1935-02-12

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