GB495242A - Electron discharge apparatus - Google Patents

Electron discharge apparatus

Info

Publication number
GB495242A
GB495242A GB2069/38A GB206938A GB495242A GB 495242 A GB495242 A GB 495242A GB 2069/38 A GB2069/38 A GB 2069/38A GB 206938 A GB206938 A GB 206938A GB 495242 A GB495242 A GB 495242A
Authority
GB
United Kingdom
Prior art keywords
pair
cathodes
anodes
units
grids
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
GB2069/38A
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.)
STC PLC
Original Assignee
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB495242A publication Critical patent/GB495242A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J21/065—Devices for short wave tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B9/00—Generation of oscillations using transit-time effects
    • H03B9/01—Generation of oscillations using transit-time effects using discharge tubes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)
GB2069/38A 1937-02-26 1938-01-21 Electron discharge apparatus Expired GB495242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US127899A US2163247A (en) 1937-02-26 1937-02-26 Electron discharge apparatus

Publications (1)

Publication Number Publication Date
GB495242A true GB495242A (en) 1938-11-09

Family

ID=22432530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2069/38A Expired GB495242A (en) 1937-02-26 1938-01-21 Electron discharge apparatus

Country Status (6)

Country Link
US (1) US2163247A (enrdf_load_stackoverflow)
BE (1) BE495242A (enrdf_load_stackoverflow)
DE (1) DE706668C (enrdf_load_stackoverflow)
FR (2) FR834005A (enrdf_load_stackoverflow)
GB (1) GB495242A (enrdf_load_stackoverflow)
NL (1) NL49225C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456579A (en) * 1942-10-30 1948-12-14 Rca Corp Electron discharge device for ultra high frequencies
US2423443A (en) * 1942-12-31 1947-07-08 Bell Telephone Labor Inc High power electronic discharge device for generating ultra high frequency radiations
US2437027A (en) * 1943-01-12 1948-03-02 John H Homrighous Time division multiplex communication system
US2533280A (en) * 1943-03-16 1950-12-12 Int Standard Electric Corp Multiunit vacuum tube
US5007135A (en) * 1990-06-18 1991-04-16 Robert Rigsby Plant growing receptacle
US5383302A (en) * 1992-10-08 1995-01-24 Hill; Ronald F. Apparatus and method for growing strongly-rooted trees, and preventing root damage to hardscapes

Also Published As

Publication number Publication date
US2163247A (en) 1939-06-20
DE706668C (de) 1941-05-31
NL49225C (enrdf_load_stackoverflow) 1940-09-16
FR834004A (fr) 1938-11-09
BE495242A (enrdf_load_stackoverflow) 1950-08-16
FR834005A (fr) 1938-11-09

Similar Documents

Publication Publication Date Title
GB495242A (en) Electron discharge apparatus
US3079588A (en) Transistor switching devices in a gas tube coincidence matrix selector
GB533558A (en) Improvements in high frequency amplifiers including thermionic valves
US2675504A (en) Gaseous discharge register
GB531977A (en) Improvements relating to very high frequency electron discharge apparatus
GB556427A (en) Improvements in vacuum electron-discharge tubes
GB736440A (en) Improvements in or relating to radio-echo object locating equipment
GB507270A (en) Electron discharge devices
GB531827A (en) Improvements in or relating to electron discharge valve amplifiers
GB520462A (en) Improvements in or relating to thermionic valves incorporating guiding grids
GB458066A (en) Improvements in multiple-electrode electron discharge tubes
GB675469A (en) Improvements in and relating to signal repeating circuits
GB617187A (en) Improvements in electric discharge tubes and circuit arrangements therefor
GB829487A (en) Improvements in or relating to vacuum tube amplifiers
GB814289A (en) Improvements in or relating to low pressure thyratrons
GB487628A (en) Improvements in electrical circuits for frequency changing
GB703727A (en) Improvements in electric discharge tubes for operation at short or ultra-short wavelengths
GB699696A (en) Improvements in or relating to multi-electrode gaseous discharge tube circuits
GB639894A (en) Improvements in and relating to electronic discharge apparatus
GB614813A (en) A circuit-arrangement comprising a secondary electron-emission tube
GB478272A (en) Thermionic valve circuits
GB623398A (en) Improvements in or relating to electric discharge-tube circuits
GB537217A (en) Electron beam discharge devices
GB492665A (en) Improvements in or relating to television or like systems
GB706722A (en) Improvements relating to gas filled electric discharge devices