FR603990A - Perfectionnements aux générateurs d'oscillations électriques à valves - Google Patents

Perfectionnements aux générateurs d'oscillations électriques à valves

Info

Publication number
FR603990A
FR603990A FR603990DA FR603990A FR 603990 A FR603990 A FR 603990A FR 603990D A FR603990D A FR 603990DA FR 603990 A FR603990 A FR 603990A
Authority
FR
France
Prior art keywords
electric valve
valve oscillators
oscillators
electric
valve
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR603990A publication Critical patent/FR603990A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR603990D 1924-07-17 1925-07-16 Perfectionnements aux générateurs d'oscillations électriques à valves Expired FR603990A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17195/24A GB241289A (en) 1924-07-17 1924-07-17 Improvements in or relating to valve generators of electrical oscillations

Publications (1)

Publication Number Publication Date
FR603990A true FR603990A (fr) 1926-04-27

Family

ID=10090908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR603990D Expired FR603990A (fr) 1924-07-17 1925-07-16 Perfectionnements aux générateurs d'oscillations électriques à valves

Country Status (4)

Country Link
US (1) US1954589A (de)
DE (1) DE427862C (de)
FR (1) FR603990A (de)
GB (1) GB241289A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100491458C (zh) 2006-04-20 2009-05-27 中国石油化工股份有限公司 高性能聚丙烯组合物的制备方法

Also Published As

Publication number Publication date
GB241289A (en) 1925-10-19
US1954589A (en) 1934-04-10
DE427862C (de) 1926-04-21

Similar Documents

Publication Publication Date Title
FR603990A (fr) Perfectionnements aux générateurs d'oscillations électriques à valves
FR578803A (fr) Perfectionnements aux appareils à valves
FR582092A (fr) Soupape d'arrêt
FR576317A (fr) Robinet détendeur
FR584524A (fr) Valve d'accouplement
FR585534A (fr) Robinet à passage direct
FR559323A (fr) Boîte à clapets de compresseurs
FR553914A (fr) Perfectionnements apportés aux soupapes
FR548184A (fr) Soupape
FR585503A (fr) Perfectionnements aux soupapes
FR545244A (fr) Perfectionnements apportés aux robinets à flotteur
FR560505A (fr) Perfectionnements aux soupapes d'arrêt
FR579897A (fr) Soupape à clapet
FR530998A (fr) Robinet de décompression à pointeau
FR588675A (fr) Perfectionnements apportés aux machines à fabriquer les soupapes
FR543814A (fr) Graisseur économique à soupape
FR586836A (fr) Vannes d'arrêt
FR548238A (fr) Modérateur à soupapes
FR557694A (fr) Vanne à aiguilles
FR537194A (fr) Robinet à soupape
FR581949A (fr) Perfectionnement aux robinets à double réglage
FR599510A (fr) Vanne d'arrêt
FR590947A (fr) Perfectionnements aux soupapes
FR601461A (fr) Perfectionnements apportés aux vannes
FR539189A (fr) Valve à clapet métallique