FR844766A - Dispositifs à lampes thermoioniques - Google Patents

Dispositifs à lampes thermoioniques

Info

Publication number
FR844766A
FR844766A FR844766DA FR844766A FR 844766 A FR844766 A FR 844766A FR 844766D A FR844766D A FR 844766DA FR 844766 A FR844766 A FR 844766A
Authority
FR
France
Prior art keywords
thermionic
lamp devices
lamp
devices
thermionic lamp
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)
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.)
Marconis Wireless Telegraph Co Ltd
STC PLC
Original Assignee
Marconis Wireless Telegraph Co Ltd
Standard Telephone and Cables PLC
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 Marconis Wireless Telegraph Co Ltd, Standard Telephone and Cables PLC filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR844766A publication Critical patent/FR844766A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • H03F1/07Doherty-type amplifiers
FR844766D 1937-10-23 1938-10-15 Dispositifs à lampes thermoioniques Expired FR844766A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB233998X 1937-10-23

Publications (1)

Publication Number Publication Date
FR844766A true FR844766A (fr) 1939-08-01

Family

ID=10194987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844766D Expired FR844766A (fr) 1937-10-23 1938-10-15 Dispositifs à lampes thermoioniques

Country Status (5)

Country Link
BE (1) BE430716A (fr)
CH (1) CH233998A (fr)
FR (1) FR844766A (fr)
GB (1) GB504196A (fr)
NL (1) NL90204C (fr)

Also Published As

Publication number Publication date
NL90204C (fr)
GB504196A (en) 1939-04-21
CH233998A (de) 1944-08-31
BE430716A (fr)

Similar Documents

Publication Publication Date Title
FR51863E (fr) Dispositifs à ondes ultra-courtes
FR858869A (fr) Perfectionnements aux circuits de lampes thermioniques
FR861969A (fr) Perfectionnements aux dispositifs thermioniques à décharge
FR861799A (fr) Perfectionnements aux dispositifs à décharge lumineuse
FR834767A (fr) Tube à décharges
FR841824A (fr) Microscope à électrons
FR844299A (fr) Dispositifs acoustiques
FR847652A (fr) Circuits à lampes thermoioniques
FR844766A (fr) Dispositifs à lampes thermoioniques
FR48549E (fr) Dispositifs à décharge à enveloppes métalliques
FR844414A (fr) Perfectionnements apportés aux dispositifs à décharge
FR843532A (fr) Tube à décharge
FR846918A (fr) Dispositifs à conductibilité dissymétrique
FR829799A (fr) Dispositifs de graissage
FR869419A (fr) Circuits à lampes thermioniques
FR851499A (fr) Circuits à lampes thermoioniques
FR860812A (fr) Dispositifs thermoioniques
FR836252A (fr) Circuits électriques à lampes thermoïoniques
FR803573A (fr) Dispositifs à décharge
FR818709A (fr) Mécanisme étireur
FR843186A (fr) Tube
FR836344A (fr) Redresseur à cathode de mercure
FR838507A (fr) Dispositifs à rayons cathodiques
FR835933A (fr) Dispositifs à rayons cathodiques
FR822612A (fr) Distributeur-mélangeur à combinaisons