FR985775A - Improvements to thermionic tube devices - Google Patents

Improvements to thermionic tube devices

Info

Publication number
FR985775A
FR985775A FR985775DA FR985775A FR 985775 A FR985775 A FR 985775A FR 985775D A FR985775D A FR 985775DA FR 985775 A FR985775 A FR 985775A
Authority
FR
France
Prior art keywords
tube devices
thermionic tube
thermionic
devices
tube
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.)
Marconis Wireless Telegraph Co Ltd
Original Assignee
Marconis Wireless Telegraph 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 filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR985775A publication Critical patent/FR985775A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR985775D 1948-05-20 1949-05-07 Improvements to thermionic tube devices Expired FR985775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB985775X 1948-05-20

Publications (1)

Publication Number Publication Date
FR985775A true FR985775A (en) 1951-07-23

Family

ID=10845336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985775D Expired FR985775A (en) 1948-05-20 1949-05-07 Improvements to thermionic tube devices

Country Status (1)

Country Link
FR (1) FR985775A (en)

Similar Documents

Publication Publication Date Title
FR59848E (en) Improvements to discharge tubes
FR986384A (en) Improvements to cathode ray tubes
FR985213A (en) Cathode ray encoder tube
FR1019095A (en) Television tube enhancements
FR979860A (en) Cathode ray tube
FR1021789A (en) Improvements to electronic tube assemblies
FR983608A (en) Electronic tube assemblies
FR1016199A (en) Chi-ray tube enhancements
FR942329A (en) Improvements to cathode ray devices
FR985674A (en) Improvements to tube amplifiers
FR973056A (en) Improvements to cathode ray tubes
FR988241A (en) Discharge tube
FR985775A (en) Improvements to thermionic tube devices
FR1008814A (en) Improvements to gas-filled tubes
FR984394A (en) Tube generator
FR933244A (en) Improvements to cathode-ray tube indicating devices
FR1021747A (en) Improvements to cathode ray tubes
FR1021531A (en) Improvements to cathode ray tubes
FR1009392A (en) Refinements to Reactance Tube Circuits
FR945839A (en) Further development of vacuum tube cathodes
FR968757A (en) Advanced pipe wrench
FR945456A (en) Improvements to discharge tubes
FR973815A (en) Improvements made to sampling tubes
FR982394A (en) Improvements to tube amplifiers
FR1026075A (en) Improvements to electronic tube assemblies