FR834004A - Electronic discharge devices - Google Patents

Electronic discharge devices

Info

Publication number
FR834004A
FR834004A FR834004DA FR834004A FR 834004 A FR834004 A FR 834004A FR 834004D A FR834004D A FR 834004DA FR 834004 A FR834004 A FR 834004A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR834004A publication Critical patent/FR834004A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
    • H01J21/06Tubes with a single discharge path having electrostatic control means only
    • H01J21/065Devices for short wave tubes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/20Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B9/00Generation of oscillations using transit-time effects
    • H03B9/01Generation of oscillations using transit-time effects using discharge tubes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H03F1/16Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/003Tubes with plural electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Amplifiers (AREA)
FR834004D 1937-02-26 1938-02-18 Electronic discharge devices Expired FR834004A (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
FR834004A true FR834004A (en) 1938-11-09

Family

ID=22432530

Family Applications (2)

Application Number Title Priority Date Filing Date
FR834005D Expired FR834005A (en) 1937-02-26 1938-02-18 Electronic discharge devices
FR834004D Expired FR834004A (en) 1937-02-26 1938-02-18 Electronic discharge devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR834005D Expired FR834005A (en) 1937-02-26 1938-02-18 Electronic discharge devices

Country Status (6)

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

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
DE706668C (en) 1941-05-31
US2163247A (en) 1939-06-20
NL49225C (en) 1940-09-16
FR834005A (en) 1938-11-09
GB495242A (en) 1938-11-09
BE495242A (en) 1950-08-16

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